docs: Surround identifiers in backticks

This was mostly done by clippy via `clippy::doc_markdown`.
I then reviewed it to fix words that shouldn't have it or where `--fix`
put the backtick in the wrong location.

benches/benchsuite/src/bin/capture-last-use.rs

@@ -1,7 +1,7 @@
 //! Utility for capturing a global cache last-use database based on the files
 //! on a real-world system.
 //!
-//! This will look in the CARGO_HOME of the current system and record last-use
+//! This will look in the `CARGO_HOME` of the current system and record last-use
 //! data for all files in the cache. This is intended to provide a real-world
 //! example for a benchmark that should be close to what a real set of data
 //! should look like.

crates/cargo-test-support/src/compare.rs

@@ -621,7 +621,7 @@ macro_rules! impl_from_tuple_for_inmemorydir {
     };
 }
 
-/// Extend `impl_from_tuple_for_inmemorydir`` to generate for the specified tuple and all smaller
+/// Extend `impl_from_tuple_for_inmemorydir` to generate for the specified tuple and all smaller
 /// tuples
 macro_rules! impl_from_tuples_for_inmemorydir {
     ($var1:ident $path1:ident $data1:ident, $($var:ident $path:ident $data:ident),+) => {

crates/cargo-test-support/src/containers.rs

@@ -5,7 +5,7 @@
 //! with the running container.
 //!
 //! Tests using containers must use `#[cargo_test(container_test)]` to disable
-//! them unless the CARGO_CONTAINER_TESTS environment variable is set.
+//! them unless the `CARGO_CONTAINER_TESTS` environment variable is set.
 
 use cargo_util::ProcessBuilder;
 use std::collections::HashMap;
@@ -36,7 +36,7 @@ pub struct ContainerHandle {
     /// This can only be used on Linux. macOS and Windows docker doesn't allow
     /// direct connection to the container.
     pub ip_address: String,
-    /// Port mappings of container_port to host_port for ports exposed via EXPOSE.
+    /// Port mappings of `container_port` to `host_port` for ports exposed via EXPOSE.
     pub port_mappings: HashMap<u16, u16>,
 }
 

crates/cargo-test-support/src/cross_compile.rs

@@ -3,7 +3,7 @@
 //! Note that cross-testing is very limited. You need to install the
 //! "alternate" target to the host (32-bit for 64-bit hosts or vice-versa).
 //!
-//! Set CFG_DISABLE_CROSS_TESTS=1 environment variable to disable these tests
+//! Set `CFG_DISABLE_CROSS_TESTS=1` environment variable to disable these tests
 //! if you are unable to use the alternate target. Unfortunately 32-bit
 //! support on macOS is going away, so macOS users are out of luck.
 //!

crates/cargo-test-support/src/lib.rs

@@ -890,7 +890,7 @@ impl Execs {
     ///
     /// Prefer [`Execs::with_stdout_data`] where possible.
     /// - `with` cannot be snapshotted
-    /// - The absence of `without`` can either mean success or that the string being looked for
+    /// - The absence of `without` can either mean success or that the string being looked for
     ///   changed.
     ///
     /// </div>

crates/cargo-test-support/src/paths.rs

@@ -17,7 +17,7 @@ static CARGO_INTEGRATION_TEST_DIR: &str = "cit";
 static GLOBAL_ROOT: OnceLock<Mutex<Option<PathBuf>>> = OnceLock::new();
 
 /// This is used when running cargo is pre-CARGO_TARGET_TMPDIR
-/// TODO: Remove when CARGO_TARGET_TMPDIR grows old enough.
+/// TODO: Remove when `CARGO_TARGET_TMPDIR` grows old enough.
 fn global_root_legacy() -> PathBuf {
     let mut path = t!(env::current_exe());
     path.pop(); // chop off exe name

crates/cargo-test-support/src/publish.rs

@@ -166,7 +166,7 @@ fn read_new_post(new_path: &Path) -> (Vec<u8>, Vec<u8>) {
 ///
 /// - `expected_crate_name` should be something like `foo-0.0.1.crate`.
 /// - `expected_files` should be a complete list of files in the crate
-///   (relative to expected_crate_name).
+///   (relative to `expected_crate_name`).
 /// - `expected_contents` should be a list of `(file_name, contents)` tuples
 ///   to validate the contents of the given file. Only the listed files will
 ///   be checked (others will be ignored).

crates/cargo-util-schemas/src/manifest/mod.rs

@@ -1680,7 +1680,7 @@ impl<'de> de::Deserialize<'de> for InvalidCargoFeatures {
     }
 }
 
-/// A StringOrVec can be parsed from either a TOML string or array,
+/// This can be parsed from either a TOML string or array,
 /// but is always stored as a vector.
 #[derive(Clone, Debug, Serialize, Eq, PartialEq, PartialOrd, Ord)]
 #[cfg_attr(feature = "unstable-schema", derive(schemars::JsonSchema))]

crates/cargo-util/src/paths.rs

@@ -189,7 +189,7 @@ pub fn write<P: AsRef<Path>, C: AsRef<[u8]>>(path: P, contents: C) -> Result<()>
 
 /// Writes a file to disk atomically.
 ///
-/// write_atomic uses tempfile::persist to accomplish atomic writes.
+/// This uses `tempfile::persist` to accomplish atomic writes.
 pub fn write_atomic<P: AsRef<Path>, C: AsRef<[u8]>>(path: P, contents: C) -> Result<()> {
     let path = path.as_ref();
 

crates/home/src/env.rs

@@ -10,11 +10,11 @@ use std::{
 /// in-process unit testing by rustup.
 pub trait Env {
     /// Return the path to the users home dir, or None if any error occurs:
-    /// see home_inner.
+    /// see `home_inner`.
     fn home_dir(&self) -> Option<PathBuf>;
     /// Return the current working directory.
     fn current_dir(&self) -> io::Result<PathBuf>;
-    /// Get an environment variable, as per std::env::var_os.
+    /// Get an environment variable, as per `std::env::var_os`.
     fn var_os(&self, key: &str) -> Option<OsString>;
 }
 
@@ -47,7 +47,7 @@ pub fn home_dir_with_env(env: &dyn Env) -> Option<PathBuf> {
     env.home_dir()
 }
 
-/// Variant of cargo_home where the environment source is parameterized. This is
+/// Variant of `cargo_home` where the environment source is parameterized. This is
 /// specifically to support in-process testing scenarios as environment
 /// variables and user home metadata are normally process global state. See the
 /// [`Env`] trait.
@@ -56,10 +56,10 @@ pub fn cargo_home_with_env(env: &dyn Env) -> io::Result<PathBuf> {
     cargo_home_with_cwd_env(env, &cwd)
 }
 
-/// Variant of cargo_home_with_cwd where the environment source is
+/// Variant of `cargo_home_with_cwd` where the environment source is
 /// parameterized. This is specifically to support in-process testing scenarios
 /// as environment variables and user home metadata are normally process global
-/// state. See the OsEnv trait.
+/// state. See the `OsEnv` trait.
 pub fn cargo_home_with_cwd_env(env: &dyn Env, cwd: &Path) -> io::Result<PathBuf> {
     match env.var_os("CARGO_HOME").filter(|h| !h.is_empty()) {
         Some(home) => {
@@ -76,19 +76,19 @@ pub fn cargo_home_with_cwd_env(env: &dyn Env, cwd: &Path) -> io::Result<PathBuf>
     }
 }
 
-/// Variant of cargo_home_with_cwd where the environment source is
+/// Variant of `cargo_home_with_cwd` where the environment source is
 /// parameterized. This is specifically to support in-process testing scenarios
 /// as environment variables and user home metadata are normally process global
-/// state. See the OsEnv trait.
+/// state. See the `OsEnv` trait.
 pub fn rustup_home_with_env(env: &dyn Env) -> io::Result<PathBuf> {
     let cwd = env.current_dir()?;
     rustup_home_with_cwd_env(env, &cwd)
 }
 
-/// Variant of cargo_home_with_cwd where the environment source is
+/// Variant of `cargo_home_with_cwd` where the environment source is
 /// parameterized. This is specifically to support in-process testing scenarios
 /// as environment variables and user home metadata are normally process global
-/// state. See the OsEnv trait.
+/// state. See the `OsEnv` trait.
 pub fn rustup_home_with_cwd_env(env: &dyn Env, cwd: &Path) -> io::Result<PathBuf> {
     match env.var_os("RUSTUP_HOME").filter(|h| !h.is_empty()) {
         Some(home) => {

crates/mdman/src/util.rs

@@ -24,7 +24,7 @@ pub fn parse_name_and_section(text: &str) -> Result<(&str, u8), Error> {
     Ok((name, section))
 }
 
-/// Extracts the text from a header after Tag::Heading has been received.
+/// Extracts the text from a header after `Tag::Heading` has been received.
 pub fn header_text<'e>(parser: &mut EventIter<'e>) -> Result<CowStr<'e>, Error> {
     let text = match parser.next() {
         Some((Event::Text(t), _range)) => t,

crates/rustfix/src/diagnostics.rs

@@ -36,7 +36,7 @@ pub struct DiagnosticSpan {
     /// Is this a "primary" span -- meaning the point, or one of the points,
     /// where the error occurred?
     pub is_primary: bool,
-    /// Source text from the start of line_start to the end of line_end.
+    /// Source text from the start of `line_start` to the end of `line_end`.
     pub text: Vec<DiagnosticSpanLine>,
     /// Label that should be placed at this location (if any)
     label: Option<String>,

src/cargo/core/compiler/build_context/mod.rs

@@ -121,10 +121,10 @@ impl<'a, 'gctx> BuildContext<'a, 'gctx> {
 
     /// Gets the host architecture triple.
     ///
-    /// For example, x86_64-unknown-linux-gnu, would be
-    /// - machine: x86_64,
-    /// - hardware-platform: unknown,
-    /// - operating system: linux-gnu.
+    /// For example, `x86_64-unknown-linux-gnu`, would be
+    /// - machine: `x86_64`,
+    /// - hardware-platform: `unknown`,
+    /// - operating system: `linux-gnu`.
     pub fn host_triple(&self) -> InternedString {
         self.target_data.rustc.host
     }

src/cargo/core/compiler/build_context/target_info.rs

@@ -93,7 +93,7 @@ pub struct FileType {
 }
 
 impl FileType {
-    /// The filename for this FileType crated by rustc.
+    /// The filename for this `FileType` crated by rustc.
     pub fn output_filename(&self, target: &Target, metadata: Option<&str>) -> String {
         match metadata {
             Some(metadata) => format!(
@@ -107,7 +107,7 @@ impl FileType {
         }
     }
 
-    /// The filename for this FileType that Cargo should use when "uplifting"
+    /// The filename for this `FileType` that Cargo should use when "uplifting"
     /// it to the destination directory.
     pub fn uplift_filename(&self, target: &Target) -> String {
         let name = match target.binary_filename() {
@@ -513,10 +513,10 @@ impl TargetInfo {
         parse_crate_type(crate_type, &process, output, error, &mut output.lines())
     }
 
-    /// Returns all the file types generated by rustc for the given mode/target_kind.
+    /// Returns all the file types generated by rustc for the given `mode`/`target_kind`.
     ///
     /// The first value is a Vec of file types generated, the second value is
-    /// a list of CrateTypes that are not supported by the given target.
+    /// a list of `CrateTypes` that are not supported by the given target.
     pub fn rustc_outputs(
         &self,
         mode: CompileMode,

src/cargo/core/compiler/build_plan.rs

@@ -1,8 +1,8 @@
 //! A graph-like structure used to represent the rustc commands to build the package and the
 //! interdependencies between them.
 //!
-//! The BuildPlan structure is used to store the dependency graph of a dry run so that it can be
-//! shared with an external build system. Each Invocation in the BuildPlan comprises a single
+//! The `BuildPlan` structure is used to store the dependency graph of a dry run so that it can be
+//! shared with an external build system. Each Invocation in the `BuildPlan` comprises a single
 //! subprocess and defines the build environment, the outputs produced by the subprocess, and the
 //! dependencies on other Invocations.
 

src/cargo/core/compiler/build_runner/compilation_files.rs

@@ -328,7 +328,7 @@ impl<'a, 'gctx: 'a> CompilationFiles<'a, 'gctx> {
         self.layout(unit.kind).build().join(dir)
     }
 
-    /// Returns the "OUT_DIR" directory for running a build script.
+    /// Returns the "`OUT_DIR`" directory for running a build script.
     /// `/path/to/target/{debug,release}/build/PKG-HASH/out`
     pub fn build_script_out_dir(&self, unit: &Unit) -> PathBuf {
         self.build_script_run_dir(unit).join("out")
@@ -375,7 +375,7 @@ impl<'a, 'gctx: 'a> CompilationFiles<'a, 'gctx> {
             .map(Arc::clone)
     }
 
-    /// Returns the path where the output for the given unit and FileType
+    /// Returns the path where the output for the given unit and `FileType`
     /// should be uplifted to.
     ///
     /// Returns `None` if the unit shouldn't be uplifted (for example, a

src/cargo/core/compiler/build_runner/mod.rs

@@ -80,7 +80,7 @@ pub struct BuildRunner<'a, 'gctx> {
     pub lto: HashMap<Unit, Lto>,
 
     /// Map of Doc/Docscrape units to metadata for their -Cmetadata flag.
-    /// See Context::find_metadata_units for more details.
+    /// See `Context::find_metadata_units` for more details.
     pub metadata_for_doc_units: HashMap<Unit, Metadata>,
 
     /// Set of metadata of Docscrape units that fail before completion, e.g.
@@ -415,7 +415,7 @@ impl<'a, 'gctx> BuildRunner<'a, 'gctx> {
         &self.bcx.unit_graph[unit]
     }
 
-    /// Returns the RunCustomBuild Unit associated with the given Unit.
+    /// Returns the `RunCustomBuild` Unit associated with the given Unit.
     ///
     /// If the package does not have a build script, this returns None.
     pub fn find_build_script_unit(&self, unit: &Unit) -> Option<Unit> {
@@ -431,7 +431,7 @@ impl<'a, 'gctx> BuildRunner<'a, 'gctx> {
             .map(|unit_dep| unit_dep.unit.clone())
     }
 
-    /// Returns the metadata hash for the RunCustomBuild Unit associated with
+    /// Returns the metadata hash for the `RunCustomBuild` Unit associated with
     /// the given unit.
     ///
     /// If the package does not have a build script, this returns None.
@@ -440,7 +440,7 @@ impl<'a, 'gctx> BuildRunner<'a, 'gctx> {
         Some(self.get_run_build_script_metadata(&script_unit))
     }
 
-    /// Returns the metadata hash for a RunCustomBuild unit.
+    /// Returns the metadata hash for a `RunCustomBuild` unit.
     pub fn get_run_build_script_metadata(&self, unit: &Unit) -> Metadata {
         assert!(unit.mode.is_run_custom_build());
         self.files().metadata(unit)

src/cargo/core/compiler/compilation.rs

@@ -81,7 +81,7 @@ pub struct Compilation<'gctx> {
     /// All directories for the output of native build commands.
     ///
     /// This is currently used to drive some entries which are added to the
-    /// LD_LIBRARY_PATH as appropriate.
+    /// `LD_LIBRARY_PATH` as appropriate.
     ///
     /// The order should be deterministic.
     pub native_dirs: BTreeSet<PathBuf>,
@@ -113,10 +113,10 @@ pub struct Compilation<'gctx> {
 
     /// Rustc process to be used by default
     rustc_process: ProcessBuilder,
-    /// Rustc process to be used for workspace crates instead of rustc_process
+    /// Rustc process to be used for workspace crates instead of `rustc_process`
     rustc_workspace_wrapper_process: ProcessBuilder,
-    /// Optional rustc process to be used for primary crates instead of either rustc_process or
-    /// rustc_workspace_wrapper_process
+    /// Optional rustc process to be used for primary crates instead of either `rustc_process` or
+    /// `rustc_workspace_wrapper_process`
     primary_rustc_process: Option<ProcessBuilder>,
 
     target_runners: HashMap<CompileKind, Option<(PathBuf, Vec<String>)>>,
@@ -403,7 +403,7 @@ impl<'gctx> Compilation<'gctx> {
     }
 }
 
-/// Prepares a rustc_tool process with additional environment variables
+/// Prepares a `rustc_tool` process with additional environment variables
 /// that are only relevant in a context that has a unit
 fn fill_rustc_tool_env(mut cmd: ProcessBuilder, unit: &Unit) -> ProcessBuilder {
     if unit.target.is_executable() {

src/cargo/core/compiler/custom_build.rs

@@ -111,7 +111,7 @@ pub struct BuildOutput {
 /// inserted during `build_map`. The rest of the entries are added
 /// immediately after each build script runs.
 ///
-/// The `Metadata` is the unique metadata hash for the RunCustomBuild Unit of
+/// The `Metadata` is the unique metadata hash for the `RunCustomBuild` Unit of
 /// the package. It needs a unique key, since the build script can be run
 /// multiple times with different profiles or features. We can't embed a
 /// `Unit` because this structure needs to be shareable between threads.
@@ -150,7 +150,7 @@ pub struct BuildScripts {
     /// This is the set of transitive dependencies that are host-only
     /// (proc-macro, plugin, build-dependency) that contain a build script.
     /// Any `BuildOutput::library_paths` path relative to `target` will be
-    /// added to LD_LIBRARY_PATH so that the compiler can find any dynamic
+    /// added to `LD_LIBRARY_PATH` so that the compiler can find any dynamic
     /// libraries a build script may have generated.
     pub plugins: BTreeSet<(PackageId, Metadata)>,
 }

src/cargo/core/compiler/fingerprint/mod.rs

@@ -69,13 +69,13 @@
 //! `cargo rustc` extra args                   | ✓           | ✓
 //! [`CompileMode`]                            | ✓           | ✓
 //! Target Name                                | ✓           | ✓
-//! TargetKind (bin/lib/etc.)                  | ✓           | ✓
+//! `TargetKind` (bin/lib/etc.)                | ✓           | ✓
 //! Enabled Features                           | ✓           | ✓
 //! Declared Features                          | ✓           |
 //! Immediate dependency’s hashes              | ✓[^1]       | ✓
 //! [`CompileKind`] (host/target)              | ✓           | ✓
-//! __CARGO_DEFAULT_LIB_METADATA[^4]           |             | ✓
-//! package_id                                 |             | ✓
+//! `__CARGO_DEFAULT_LIB_METADATA`[^4]         |             | ✓
+//! `package_id`                               |             | ✓
 //! authors, description, homepage, repo       | ✓           |
 //! Target src path relative to ws             | ✓           |
 //! Target flags (test/bench/for_host/edition) | ✓           |
@@ -84,7 +84,7 @@
 //! RUSTFLAGS/RUSTDOCFLAGS                     | ✓           |
 //! [`Lto`] flags                              | ✓           | ✓
 //! config settings[^5]                        | ✓           |
-//! is_std                                     |             | ✓
+//! `is_std`                                   |             | ✓
 //! `[lints]` table[^6]                        | ✓           |
 //! `[lints.rust.unexpected_cfgs.check-cfg]`   | ✓           |
 //!
@@ -738,7 +738,7 @@ enum LocalFingerprint {
     /// for us to look at. If any of those files are newer than this file then
     /// we need to recompile.
     ///
-    /// If the `checksum` bool is true then the dep_info file is expected to
+    /// If the `checksum` bool is true then the `dep_info` file is expected to
     /// contain file checksums instead of file mtimes.
     CheckDepInfo { dep_info: PathBuf, checksum: bool },
 

src/cargo/core/compiler/job_queue/mod.rs

@@ -151,7 +151,7 @@ use crate::util::{DependencyQueue, GlobalContext, Progress, ProgressStyle, Queue
 
 /// This structure is backed by the `DependencyQueue` type and manages the
 /// queueing of compilation steps for each package. Packages enqueue units of
-/// work and then later on the entire graph is converted to DrainState and
+/// work and then later on the entire graph is converted to `DrainState` and
 /// executed.
 pub struct JobQueue<'gctx> {
     queue: DependencyQueue<Unit, Artifact, Job>,
@@ -163,7 +163,7 @@ pub struct JobQueue<'gctx> {
 /// actual compilation step of each package. Packages enqueue units of work and
 /// then later on the entire graph is processed and compiled.
 ///
-/// It is created from JobQueue when we have fully assembled the crate graph
+/// It is created from `JobQueue` when we have fully assembled the crate graph
 /// (i.e., all package dependencies are known).
 struct DrainState<'gctx> {
     // This is the length of the DependencyQueue when starting out
@@ -265,9 +265,9 @@ struct ErrorToHandle {
     /// care about individually reporting every thread that it broke; just the
     /// first is enough.
     ///
-    /// The exception where print_always is true is that we do report every
+    /// The exception where `print_always` is true is that we do report every
     /// instance of a rustc invocation that failed with diagnostics. This
-    /// corresponds to errors from Message::Finish.
+    /// corresponds to errors from `Message::Finish`.
     print_always: bool,
 }
 

src/cargo/core/compiler/timings.rs

@@ -567,7 +567,7 @@ impl<'gctx> Timings<'gctx> {
 }
 
 impl UnitTime {
-    /// Returns the codegen time as (rmeta_time, codegen_time, percent of total)
+    /// Returns the codegen time as (`rmeta_time`, `codegen_time`, percent of total)
     fn codegen_time(&self) -> Option<(f64, f64, f64)> {
         self.rmeta_time.map(|rmeta_time| {
             let ctime = self.duration - rmeta_time;

src/cargo/core/compiler/unit_dependencies.rs

@@ -199,7 +199,7 @@ fn attach_std_deps(
 }
 
 /// Compute all the dependencies of the given root units.
-/// The result is stored in state.unit_dependencies.
+/// The result is stored in `state.unit_dependencies`.
 fn deps_of_roots(roots: &[Unit], state: &mut State<'_, '_>) -> CargoResult<()> {
     for unit in roots.iter() {
         // Dependencies of tests/benches should not have `panic` set.

src/cargo/core/features.rs

@@ -137,7 +137,7 @@ pub const SEE_CHANNELS: &str =
     "See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information \
      about Rust release channels.";
 
-/// Value of [`allow-features`](CliUnstable::allow_features]
+/// Value of [`allow-features`](CliUnstable::allow_features)
 pub type AllowFeatures = BTreeSet<String>;
 
 /// The edition of the compiler ([RFC 2052])

src/cargo/core/global_cache_tracker.rs

@@ -1020,7 +1020,7 @@ impl GlobalCacheTracker {
         Ok(())
     }
 
-    /// Adds paths to delete from either registry_crate or registry_src whose
+    /// Adds paths to delete from either `registry_crate` or `registry_src` whose
     /// last use is older than the given timestamp.
     fn get_registry_items_to_clean_age(
         conn: &Connection,

src/cargo/core/package.rs

@@ -290,7 +290,7 @@ pub struct PackageSet<'gctx> {
     sources: RefCell<SourceMap<'gctx>>,
     gctx: &'gctx GlobalContext,
     multi: Multi,
-    /// Used to prevent reusing the PackageSet to download twice.
+    /// Used to prevent reusing the `PackageSet` to download twice.
     downloading: Cell<bool>,
     /// Whether or not to use curl HTTP/2 multiplexing.
     multiplexing: bool,

src/cargo/core/profiles.rs

@@ -1003,16 +1003,16 @@ pub struct UnitFor {
     ///     └── shared_dep build.rs
     /// ```
     ///
-    /// In this example, `foo build.rs` is HOST=true, HOST_FEATURES=false.
+    /// In this example, `foo build.rs` is `HOST=true`, `HOST_FEATURES=false`.
     /// This is so that `foo build.rs` gets the profile settings for build
-    /// scripts (HOST=true) and features of foo (HOST_FEATURES=false) because
+    /// scripts (`HOST=true`) and features of foo (`HOST_FEATURES=false`) because
     /// build scripts need to know which features their package is being built
     /// with.
     ///
     /// But in the case of `shared_dep`, when built as a build dependency,
     /// both flags are true (it only wants the build-dependency features).
     /// When `shared_dep` is built as a normal dependency, then `shared_dep
-    /// build.rs` is HOST=true, HOST_FEATURES=false for the same reasons that
+    /// build.rs` is `HOST=true`, `HOST_FEATURES=false` for the same reasons that
     /// foo's build script is set that way.
     host_features: bool,
     /// How Cargo processes the `panic` setting or profiles.
@@ -1139,7 +1139,7 @@ impl UnitFor {
 
     /// Returns a new copy updated based on the target dependency.
     ///
-    /// This is where the magic happens that the host/host_features settings
+    /// This is where the magic happens that the `host`/`host_features` settings
     /// transition in a sticky fashion. As the dependency graph is being
     /// built, once those flags are set, they stay set for the duration of
     /// that portion of tree.

src/cargo/core/resolver/features.rs

@@ -210,7 +210,7 @@ impl FeatureOpts {
         Ok(opts)
     }
 
-    /// Creates a new FeatureOpts for the given behavior.
+    /// Creates a new `FeatureOpts` for the given behavior.
     pub fn new_behavior(behavior: ResolveBehavior, has_dev_units: HasDevUnits) -> FeatureOpts {
         match behavior {
             ResolveBehavior::V1 => FeatureOpts::default(),
@@ -259,7 +259,7 @@ pub struct CliFeatures {
 }
 
 impl CliFeatures {
-    /// Creates a new CliFeatures from the given command-line flags.
+    /// Creates a new `CliFeatures` from the given command-line flags.
     pub fn from_command_line(
         features: &[String],
         all_features: bool,
@@ -291,7 +291,7 @@ impl CliFeatures {
         })
     }
 
-    /// Creates a new CliFeatures with the given `all_features` setting.
+    /// Creates a new `CliFeatures` with the given `all_features` setting.
     pub fn new_all(all_features: bool) -> CliFeatures {
         CliFeatures {
             features: Rc::new(BTreeSet::new()),
@@ -330,7 +330,7 @@ impl ResolvedFeatures {
     }
 
     /// Variant of `activated_features` that returns `None` if this is
-    /// not a valid pkg_id/is_build combination. Used in places which do
+    /// not a valid `pkg_id/is_build` combination. Used in places which do
     /// not know which packages are activated (like `cargo clean`).
     pub fn activated_features_unverified(
         &self,
@@ -559,7 +559,7 @@ impl<'a, 'gctx> FeatureResolver<'a, 'gctx> {
         Ok(())
     }
 
-    /// Activate a single FeatureValue for a package.
+    /// Activate a single `FeatureValue` for a package.
     fn activate_fv(
         &mut self,
         pkg_id: PackageId,
@@ -734,7 +734,7 @@ impl<'a, 'gctx> FeatureResolver<'a, 'gctx> {
         Ok(())
     }
 
-    /// Returns Vec of FeatureValues from a Dependency definition.
+    /// Returns Vec of `FeatureValues` from a Dependency definition.
     fn fvs_from_dependency(&self, dep_id: PackageId, dep: &Dependency) -> Vec<FeatureValue> {
         let summary = self.resolve.summary(dep_id);
         let feature_map = summary.features();
@@ -749,7 +749,7 @@ impl<'a, 'gctx> FeatureResolver<'a, 'gctx> {
         result
     }
 
-    /// Returns Vec of FeatureValues from a set of command-line features.
+    /// Returns Vec of `FeatureValues` from a set of command-line features.
     fn fvs_from_requested(
         &self,
         pkg_id: PackageId,

src/cargo/core/resolver/resolve.rs

@@ -86,7 +86,7 @@ pub enum ResolveVersion {
     /// * Introduced in 2020 in version 1.47.
     /// * New lockfiles use V3 by default from in 1.53 to 1.82.
     V3,
-    /// SourceId URL serialization is aware of URL encoding. For example,
+    /// `SourceId` URL serialization is aware of URL encoding. For example,
     /// `?branch=foo bar` is now encoded as `?branch=foo+bar` and can be decoded
     /// back and forth correctly.
     ///

src/cargo/core/resolver/types.rs

@@ -150,7 +150,7 @@ pub struct ResolveOpts {
 }
 
 impl ResolveOpts {
-    /// Creates a ResolveOpts that resolves everything.
+    /// Creates a `ResolveOpts` that resolves everything.
     pub fn everything() -> ResolveOpts {
         ResolveOpts {
             dev_deps: true,
@@ -227,7 +227,7 @@ pub struct RemainingDeps {
     time: u32,
     /// the data is augmented by the insertion time.
     /// This insures that no two items will cmp eq.
-    /// Forcing the OrdSet into a multi set.
+    /// Forcing the `OrdSet` into a multi set.
     data: im_rc::OrdSet<(DepsFrame, u32)>,
 }
 

src/cargo/core/source_id.rs

@@ -209,7 +209,7 @@ impl SourceId {
         SourceId::new(SourceKind::Git(reference), url.clone(), None)
     }
 
-    /// Creates a SourceId from a remote registry URL when the registry name
+    /// Creates a `SourceId` from a remote registry URL when the registry name
     /// cannot be determined, e.g. a user passes `--index` directly from CLI.
     ///
     /// Use [`SourceId::for_alt_registry`] if a name can provided, which
@@ -446,7 +446,7 @@ impl SourceId {
     }
 
     /// Check if the precise data field stores information for this `name`
-    /// from a call to [SourceId::with_precise_registry_version].
+    /// from a call to [`SourceId::with_precise_registry_version`].
     ///
     /// If so return the version currently in the lock file and the version to be updated to.
     pub fn precise_registry_version(
@@ -502,7 +502,7 @@ impl SourceId {
     /// On a registry dependency we also need to keep track of the package that
     /// should be updated and even which of the versions should be updated.
     /// All of this gets encoded in the precise field using this method.
-    /// The data can be read with [SourceId::precise_registry_version]
+    /// The data can be read with [`SourceId::precise_registry_version`]
     pub fn with_precise_registry_version(
         self,
         name: InternedString,
@@ -665,7 +665,7 @@ impl fmt::Display for SourceId {
     }
 }
 
-/// The hash of SourceId is used in the name of some Cargo folders, so shouldn't
+/// The hash of `SourceId` is used in the name of some Cargo folders, so shouldn't
 /// vary. `as_str` gives the serialisation of a url (which has a spec) and so
 /// insulates against possible changes in how the url crate does hashing.
 impl Hash for SourceId {

src/cargo/core/summary.rs

@@ -185,7 +185,7 @@ const _: fn() = || {
 };
 
 /// Checks features for errors, bailing out a CargoResult:Err if invalid,
-/// and creates FeatureValues for each feature.
+/// and creates `FeatureValues` for each feature.
 fn build_feature_map(
     features: &BTreeMap<InternedString, Vec<InternedString>>,
     dependencies: &[Dependency],
@@ -351,7 +351,7 @@ fn build_feature_map(
     Ok(map)
 }
 
-/// FeatureValue represents the types of dependencies a feature can have.
+/// `FeatureValue` represents the types of dependencies a feature can have.
 #[derive(Clone, Debug, Ord, PartialOrd, Eq, PartialEq, Hash)]
 pub enum FeatureValue {
     /// A feature enabling another feature.

src/cargo/core/workspace.rs

@@ -396,7 +396,7 @@ impl<'gctx> Workspace<'gctx> {
             .unwrap_or(&self.current_manifest)
     }
 
-    /// Returns the root Package or VirtualManifest.
+    /// Returns the root Package or `VirtualManifest`.
     pub fn root_maybe(&self) -> &MaybePackage {
         self.packages.get(self.root_manifest())
     }

src/cargo/ops/cargo_add/mod.rs

@@ -265,7 +265,7 @@ pub fn add(workspace: &Workspace<'_>, options: &AddOptions<'_>) -> CargoResult<(
 pub struct DepOp {
     /// Describes the crate
     pub crate_spec: Option<String>,
-    /// Dependency key, overriding the package name in crate_spec
+    /// Dependency key, overriding the package name in `crate_spec`
     pub rename: Option<String>,
 
     /// Feature flags to activate

src/cargo/ops/cargo_compile/mod.rs

@@ -747,7 +747,7 @@ fn traverse_and_share(
     new_unit
 }
 
-/// Removes duplicate CompileMode::Doc units that would cause problems with
+/// Removes duplicate `CompileMode::Doc` units that would cause problems with
 /// filename collisions.
 ///
 /// Rustdoc only separates units by crate name in the file directory

src/cargo/ops/cargo_new.rs

@@ -572,7 +572,7 @@ pub fn init(opts: &NewOptions, gctx: &GlobalContext) -> CargoResult<NewProjectKi
     Ok(kind)
 }
 
-/// IgnoreList
+/// `IgnoreList`
 struct IgnoreList {
     /// git like formatted entries
     ignore: Vec<String>,
@@ -613,7 +613,7 @@ impl IgnoreList {
         ignore_items.join("\n") + "\n"
     }
 
-    /// format_existing is used to format the IgnoreList when the ignore file
+    /// `format_existing` is used to format the `IgnoreList` when the ignore file
     /// already exists. It reads the contents of the given `BufRead` and
     /// checks if the contents of the ignore list are already existing in the
     /// file.

src/cargo/ops/cargo_update.rs

@@ -380,7 +380,7 @@ fn upgrade_dependency(
 /// cargo-edit. Returns true if any file has changed.
 ///
 /// Some of the checks here are duplicating checks already done in
-/// upgrade_manifests/upgrade_dependency. Why? Let's say upgrade_dependency has
+/// `upgrade_manifests/upgrade_dependency`. Why? Let's say `upgrade_dependency` has
 /// found that dependency foo was eligible for an upgrade. But foo can occur in
 /// multiple manifest files, and even multiple times in the same manifest file,
 /// and may be pinned, renamed, etc. in some of the instances. So we still need

src/cargo/ops/common_for_install_and_uninstall.rs

@@ -98,7 +98,7 @@ pub struct CrateListingV1 {
 }
 
 impl InstallTracker {
-    /// Create an InstallTracker from information on disk.
+    /// Create an `InstallTracker` from information on disk.
     pub fn load(gctx: &GlobalContext, root: &Filesystem) -> CargoResult<InstallTracker> {
         let v1_lock =
             root.open_rw_exclusive_create(Path::new(".crates.toml"), gctx, "crate metadata")?;
@@ -153,7 +153,7 @@ impl InstallTracker {
     /// Returns a tuple `(freshness, map)`. `freshness` indicates if the
     /// package should be built (`Dirty`) or if it is already up-to-date
     /// (`Fresh`) and should be skipped. The map maps binary names to the
-    /// PackageId that installed it (which is None if not known).
+    /// `PackageId` that installed it (which is `None` if not known).
     ///
     /// If there are no duplicates, then it will be considered `Dirty` (i.e.,
     /// it is OK to build/install).
@@ -250,7 +250,7 @@ impl InstallTracker {
     /// Check if any executables are already installed.
     ///
     /// Returns a map of duplicates, the key is the executable name and the
-    /// value is the PackageId that is already installed. The PackageId is
+    /// value is the `PackageId` that is already installed. The `PackageId` is
     /// None if it is an untracked executable.
     fn find_duplicates(
         &self,
@@ -762,7 +762,7 @@ where
     }
 }
 
-/// Helper to convert features to a BTreeSet.
+/// Helper to convert features to a `BTreeSet`.
 fn feature_set(features: &Rc<BTreeSet<FeatureValue>>) -> BTreeSet<String> {
     features.iter().map(|s| s.to_string()).collect()
 }

src/cargo/ops/registry/mod.rs

@@ -176,7 +176,7 @@ fn registry<'gctx>(
     ))
 }
 
-/// Gets the SourceId for an index or registry setting.
+/// Gets the `SourceId` for an index or registry setting.
 ///
 /// The `index` and `reg` values are from the command-line or config settings.
 /// If both are None, and no source-replacement is configured, returns the source for crates.io.
@@ -314,7 +314,7 @@ pub(crate) struct RegistrySourceIds {
     /// Use when interacting with the source (querying / publishing , etc)
     ///
     /// The source for crates.io may be replaced by a built-in source for accessing crates.io with
-    /// the sparse protocol, or a source for the testing framework (when the replace_crates_io
+    /// the sparse protocol, or a source for the testing framework (when the `replace_crates_io`
     /// function is used)
     ///
     /// User-defined source replacement is not applied.

src/cargo/ops/tree/graph.rs

@@ -74,9 +74,9 @@ pub struct Graph<'a> {
     /// For example `--features foo` will mark the "foo" node here.
     cli_features: HashSet<usize>,
     /// Map of dependency names, used for building internal feature map for
-    /// dep_name/feat_name syntax.
+    /// `dep_name/feat_name` syntax.
     ///
-    /// Key is the index of a package node, value is a map of dep_name to a
+    /// Key is the index of a package node, value is a map of `dep_name` to a
     /// set of `(pkg_node_index, is_optional)`.
     dep_name_map: HashMap<usize, HashMap<InternedString, HashSet<(usize, bool)>>>,
 }
@@ -126,7 +126,7 @@ impl<'a> Graph<'a> {
         &self.nodes[index]
     }
 
-    /// Given a slice of PackageIds, returns the indexes of all nodes that match.
+    /// Given a slice of `PackageIds`, returns the indexes of all nodes that match.
     pub fn indexes_from_ids(&self, package_ids: &[PackageId]) -> Vec<usize> {
         let mut result: Vec<(&Node, usize)> = self
             .nodes

src/cargo/sources/git/known_hosts.rs

@@ -7,9 +7,9 @@
 //! messages, guiding them to understand the issue and how to resolve it.
 //!
 //! Note that there are a lot of limitations here. This reads OpenSSH
-//! known_hosts files from well-known locations, but it does not read OpenSSH
+//! `known_hosts` files from well-known locations, but it does not read OpenSSH
 //! config files. The config file can change the behavior of how OpenSSH
-//! handles known_hosts files. For example, some things we don't handle:
+//! handles `known_hosts` files. For example, some things we don't handle:
 //!
 //! - `GlobalKnownHostsFile` — Changes the location of the global host file.
 //! - `UserKnownHostsFile` — Changes the location of the user's host file.
@@ -516,7 +516,7 @@ fn known_host_files(gctx: &GlobalContext) -> Vec<PathBuf> {
     result
 }
 
-/// The location of the user's known_hosts file.
+/// The location of the user's `known_hosts` file.
 fn user_known_host_location() -> Option<PathBuf> {
     // NOTE: This is a potentially inaccurate prediction of what the user
     // actually wants. The actual location depends on several factors:
@@ -619,7 +619,7 @@ fn hashed_hostname_matches(host: &str, hashed: &str) -> bool {
     hashed_host == &result[..]
 }
 
-/// Loads an OpenSSH known_hosts file.
+/// Loads an OpenSSH `known_hosts` file.
 fn load_hostfile(path: &Path) -> Result<Vec<KnownHost>, anyhow::Error> {
     let contents = cargo_util::paths::read(path)?;
     Ok(load_hostfile_contents(path, &contents))

src/cargo/sources/git/source.rs

@@ -1,4 +1,4 @@
-//! See [GitSource].
+//! See [`GitSource`].
 
 use crate::core::global_cache_tracker;
 use crate::core::GitReference;

src/cargo/sources/registry/index/mod.rs

@@ -531,7 +531,7 @@ impl Summaries {
     ///
     /// * `root` --- this is the root argument passed to `load`
     /// * `name` --- the name of the package.
-    /// * `source_id` --- the registry's SourceId used when parsing JSON blobs
+    /// * `source_id` --- the registry's `SourceId` used when parsing JSON blobs
     ///   to create summaries.
     /// * `load` --- the actual index implementation which may be very slow to
     ///   call. We avoid this if we can.

src/cargo/sources/registry/mod.rs

@@ -422,7 +422,7 @@ pub trait RegistryData {
     /// Returns the [`Path`] to the [`Filesystem`].
     fn assert_index_locked<'a>(&self, path: &'a Filesystem) -> &'a Path;
 
-    /// Block until all outstanding Poll::Pending requests are Poll::Ready.
+    /// Block until all outstanding `Poll::Pending` requests are `Poll::Ready`.
     fn block_until_ready(&mut self) -> CargoResult<()>;
 }
 

src/cargo/util/auth/mod.rs

@@ -573,7 +573,7 @@ fn credential_action(
 
 /// Returns the token to use for the given registry.
 /// If a `login_url` is provided and a token is not available, the
-/// login_url will be included in the returned error.
+/// `login_url` will be included in the returned error.
 pub fn auth_token(
     gctx: &GlobalContext,
     sid: &SourceId,

src/cargo/util/command_prelude.rs

@@ -62,7 +62,7 @@ pub trait CommandExt: Sized {
         )
     }
 
-    /// Variant of arg_package_spec that does not include the `--all` flag
+    /// Variant of `arg_package_spec` that does not include the `--all` flag
     /// (but does include `--workspace`). Used to avoid confusion with
     /// historical uses of `--all`.
     fn arg_package_spec_no_all(

src/cargo/util/context/de.rs

@@ -16,9 +16,9 @@ pub(super) struct Deserializer<'gctx> {
     pub(super) key: ConfigKey,
     /// Whether or not this key part is allowed to be an inner table. For
     /// example, `profile.dev.build-override` needs to check if
-    /// CARGO_PROFILE_DEV_BUILD_OVERRIDE_ prefixes exist. But
-    /// CARGO_BUILD_TARGET should not check for prefixes because it would
-    /// collide with CARGO_BUILD_TARGET_DIR. See `ConfigMapAccess` for
+    /// `CARGO_PROFILE_DEV_BUILD_OVERRIDE_` prefixes exist. But
+    /// `CARGO_BUILD_TARGET` should not check for prefixes because it would
+    /// collide with `CARGO_BUILD_TARGET_DIR`. See `ConfigMapAccess` for
     /// details.
     pub(super) env_prefix_ok: bool,
 }

src/cargo/util/context/mod.rs

@@ -116,7 +116,7 @@ use super::auth::RegistryConfig;
 // Helper macro for creating typed access methods.
 macro_rules! get_value_typed {
     ($name:ident, $ty:ty, $variant:ident, $expected:expr) => {
-        /// Low-level private method for getting a config value as an OptValue.
+        /// Low-level private method for getting a config value as an [`OptValue`].
         fn $name(&self, key: &ConfigKey) -> Result<OptValue<$ty>, ConfigError> {
             let cv = self.get_cv(key)?;
             let env = self.get_config_env::<$ty>(key)?;
@@ -244,7 +244,7 @@ pub struct GlobalContext {
     /// NOTE: this should be set before `configure()`. If calling this from an integration test,
     /// consider using `ConfigBuilder::enable_nightly_features` instead.
     pub nightly_features_allowed: bool,
-    /// WorkspaceRootConfigs that have been found
+    /// `WorkspaceRootConfigs` that have been found
     pub ws_roots: RefCell<HashMap<PathBuf, WorkspaceRootConfig>>,
     /// The global cache tracker is a database used to track disk cache usage.
     global_cache_tracker: LazyCell<RefCell<GlobalCacheTracker>>,
@@ -909,7 +909,7 @@ impl GlobalContext {
         }
     }
 
-    /// Helper for StringList type to get something that is a string or list.
+    /// Helper for `StringList` type to get something that is a string or list.
     fn get_list_or_string(
         &self,
         key: &ConfigKey,
@@ -1888,7 +1888,7 @@ impl GlobalContext {
         Ok(())
     }
 
-    /// Returns a list of [target.'cfg()'] tables.
+    /// Returns a list of [target.'`cfg()`'] tables.
     ///
     /// The list is sorted by the table name.
     pub fn target_cfgs(&self) -> CargoResult<&Vec<(String, TargetCfgConfig)>> {
@@ -2916,7 +2916,7 @@ impl StringList {
     }
 }
 
-/// StringList automatically merges config values with environment values,
+/// `StringList` automatically merges config values with environment values,
 /// this instead follows the precedence rules, so that eg. a string list found
 /// in the environment will be used instead of one in a config file.
 ///

src/cargo/util/context/path.rs

@@ -82,7 +82,7 @@ impl<'de> serde::Deserialize<'de> for PathAndArgs {
 }
 
 impl PathAndArgs {
-    /// Construct a PathAndArgs from a string. The string will be split on ascii whitespace,
+    /// Construct a `PathAndArgs` from a string. The string will be split on ascii whitespace,
     /// with the first item being treated as a `ConfigRelativePath` to the executable, and subsequent
     /// items as arguments.
     pub fn from_whitespace_separated_string(p: &Value<String>) -> PathAndArgs {

src/cargo/util/dependency_queue.rs

@@ -25,7 +25,7 @@ pub struct DependencyQueue<N: Hash + Eq, E: Hash + Eq, V> {
     /// package.
     ///
     /// This map is statically known and does not get updated throughout the
-    /// lifecycle of the DependencyQueue.
+    /// lifecycle of the `DependencyQueue`.
     ///
     /// This is sort of like a `HashMap<(N, E), HashSet<N>>` map, but more
     /// easily indexable with just an `N`
@@ -113,7 +113,7 @@ impl<N: Hash + Eq + Clone, E: Eq + Hash + Clone, V> DependencyQueue<N, E, V> {
 
         /// Creates a flattened reverse dependency list. For a given key, finds the
         /// set of nodes which depend on it, including transitively. This is different
-        /// from self.reverse_dep_map because self.reverse_dep_map only maps one level
+        /// from `self.reverse_dep_map` because `self.reverse_dep_map` only maps one level
         /// of reverse dependencies.
         fn depth<'a, N: Hash + Eq + Clone, E: Hash + Eq + Clone>(
             key: &N,

src/cargo/util/rustc.rs

@@ -26,9 +26,9 @@ pub struct Rustc {
     pub workspace_wrapper: Option<PathBuf>,
     /// Verbose version information (the output of `rustc -vV`)
     pub verbose_version: String,
-    /// The rustc version (`1.23.4-beta.2`), this comes from verbose_version.
+    /// The rustc version (`1.23.4-beta.2`), this comes from `verbose_version`.
     pub version: semver::Version,
-    /// The host triple (arch-platform-OS), this comes from verbose_version.
+    /// The host triple (arch-platform-OS), this comes from `verbose_version`.
     pub host: InternedString,
     /// The rustc full commit hash, this comes from `verbose_version`.
     pub commit_hash: Option<String>,

src/cargo/util/semver_ext.rs

@@ -130,7 +130,7 @@ impl OptVersionReq {
     }
 
     /// Allows to match pre-release in SemVer-Compatible way.
-    /// See [`semver_eval_ext`] for matches_prerelease semantics.
+    /// See [`semver_eval_ext`] for `matches_prerelease` semantics.
     pub fn matches_prerelease(&self, version: &Version) -> bool {
         if let OptVersionReq::Req(req) = self {
             return req.matches_prerelease(version);

src/cargo/util/toml_mut/dependency.rs

@@ -176,7 +176,7 @@ impl Dependency {
         self.public
     }
 
-    /// Get the SourceID for this dependency.
+    /// Get the `SourceID` for this dependency.
     pub fn source_id(&self, gctx: &GlobalContext) -> CargoResult<MaybeWorkspace<SourceId>> {
         match &self.source.as_ref() {
             Some(Source::Registry(_)) | None => {
@@ -903,7 +903,7 @@ impl PathSource {
         self
     }
 
-    /// Get the SourceID for this dependency.
+    /// Get the `SourceID` for this dependency.
     pub fn source_id(&self) -> CargoResult<SourceId> {
         SourceId::for_path(&self.path)
     }
@@ -967,7 +967,7 @@ impl GitSource {
         self
     }
 
-    /// Get the SourceID for this dependency.
+    /// Get the `SourceID` for this dependency.
     pub fn source_id(&self) -> CargoResult<SourceId> {
         let git_url = self.git.parse::<url::Url>()?;
         let git_ref = self.git_ref();

tests/testsuite/cfg.rs

@@ -1,4 +1,4 @@
-//! Tests for cfg() expressions.
+//! Tests for `cfg()` expressions.
 
 use cargo_test_support::prelude::*;
 use cargo_test_support::registry::Package;

tests/testsuite/collisions.rs

@@ -1,5 +1,5 @@
 //! Tests for when multiple artifacts have the same output filename.
-//! See https://github.com/rust-lang/cargo/issues/6313 for more details.
+//! See <https://github.com/rust-lang/cargo/issues/6313> for more details.
 //! Ideally these should never happen, but I don't think we'll ever be able to
 //! prevent all collisions.
 

tests/testsuite/fix_n_times.rs

@@ -3,7 +3,7 @@
 //!
 //! These tests use a replacement of rustc ("rustc-fix-shim") which emits JSON
 //! messages based on what the test is exercising. It uses an environment
-//! variable RUSTC_FIX_SHIM_SEQUENCE which determines how it should behave
+//! variable `RUSTC_FIX_SHIM_SEQUENCE` which determines how it should behave
 //! based on how many times `rustc` has run. It keeps track of how many times
 //! rustc has run in a local file.
 //!

tests/testsuite/global_cache_tracker.rs

@@ -93,7 +93,7 @@ fn now() -> SystemTime {
 }
 
 /// Helper for simulating running cargo in the past. Use with the
-/// __CARGO_TEST_LAST_USE_NOW environment variable.
+/// `__CARGO_TEST_LAST_USE_NOW` environment variable.
 fn days_ago_unix(n: u64) -> String {
     days_ago(n)
         .duration_since(SystemTime::UNIX_EPOCH)
@@ -103,7 +103,7 @@ fn days_ago_unix(n: u64) -> String {
 }
 
 /// Helper for simulating running cargo in the past. Use with the
-/// __CARGO_TEST_LAST_USE_NOW environment variable.
+/// `__CARGO_TEST_LAST_USE_NOW` environment variable.
 fn months_ago_unix(n: u64) -> String {
     days_ago_unix(n * 30)
 }

tests/testsuite/https.rs

@@ -1,7 +1,7 @@
 //! Network tests for https transport.
 //!
-//! Note that these tests will generally require setting CARGO_CONTAINER_TESTS
-//! or CARGO_PUBLIC_NETWORK_TESTS.
+//! Note that these tests will generally require setting `CARGO_CONTAINER_TESTS`
+//! or `CARGO_PUBLIC_NETWORK_TESTS`.
 
 use cargo_test_support::containers::Container;
 use cargo_test_support::prelude::*;

tests/testsuite/ssh.rs

@@ -1,7 +1,7 @@
 //! Network tests for SSH connections.
 //!
-//! Note that these tests will generally require setting CARGO_CONTAINER_TESTS
-//! or CARGO_PUBLIC_NETWORK_TESTS.
+//! Note that these tests will generally require setting `CARGO_CONTAINER_TESTS`
+//! or `CARGO_PUBLIC_NETWORK_TESTS`.
 //!
 //! NOTE: The container tests almost certainly won't work on Windows.