It appears that rustc/cargo can't find, resolve file dependencie properly. This has been reported upstream but they can't reproduce this issue https://github.com/rust-cli/anstyle/issues/110 .

Reproducible: Always

Steps to Reproduce:
1.git clone https://github.com/rust-cli/anstyle
2.pushd anstyle
3.cargo test
Actual Results:  
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.
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running 3 tests
test state::definitions::tests::pack_state_action ... ok
test state::definitions::tests::unpack_state_action ... ok
test state::codegen::table ... FAILED

failures:

---- state::codegen::table stdout ----
thread 'state::codegen::table' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', crates/anstyle-parse/src/state/codegen.rs:11:54
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


failures:
    state::codegen::table

test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s

Expected Results:  
All tests are built and passes

Result are the same regardless if the tests are started via the top level workspace or directly in the anstyle-parse crate.