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In this case, the exact extern crate isn't very important. This is part of the changes needed to address the spurious failures from a main test `../removing-extern-crate.rs` being both an auxiliary and a main test file, causing fs races due to multiple `rustc` processes in multiple test threads trying to build the main test file both as a main test and also as an auxiliary at around the same time.
18 lines
478 B
Rust
18 lines
478 B
Rust
//@ edition:2018
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//@ aux-build: remove-extern-crate.rs
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//@ run-rustfix
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#![warn(rust_2018_idioms)]
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#[cfg_attr(test, "macro_use")] //~ ERROR expected
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extern crate remove_extern_crate as foo; //~ WARNING unused extern crate
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extern crate core; //~ WARNING unused extern crate
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mod another {
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#[cfg_attr(test)] //~ ERROR expected
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extern crate remove_extern_crate as foo; //~ WARNING unused extern crate
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extern crate core; //~ WARNING unused extern crate
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}
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fn main() {}
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