rust/tests/ui/test-attrs/terse.run.stdout
Trevor Gross 289fe36d37 Print thread ID in panic message if thread name is unknown
`panic!` does not print any identifying information for threads that are
unnamed. However, in many cases, the thread ID can be determined.

This changes the panic message from something like this:

    thread '<unnamed>' panicked at src/main.rs:3:5:
    explicit panic

To something like this:

    thread '<unnamed>' (0xff9bf) panicked at src/main.rs:3:5:
    explicit panic

Stack overflow messages are updated as well.

This change applies to both named and unnamed threads. The ID printed is
the OS integer thread ID rather than the Rust thread ID, which should
also be what debuggers print.
2025-08-06 23:59:47 +00:00

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running 103 tests
abc --- FAILED
....................................................................................... 88/103
............. 101/103
foo --- FAILED
foo2 --- FAILED
failures:
---- abc stdout ----
thread 'abc' ($TID) panicked at $DIR/terse.rs:12:5:
explicit panic
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
---- foo stdout ----
thread 'foo' ($TID) panicked at $DIR/terse.rs:17:5:
explicit panic
---- foo2 stdout ----
thread 'foo2' ($TID) panicked at $DIR/terse.rs:22:5:
explicit panic
failures:
abc
foo
foo2
test result: FAILED. 100 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME