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1.100 beta crater regression: "can't find crate for docmatic" #164160
Description
This regression was discovered in the 1.100 beta crater run.
[INFO] [stdout] running 1 test
[INFO] [stdout] test README.md - docmatic::Usage (line 23) ... FAILED
[INFO] [stdout]
[INFO] [stdout] failures:
[INFO] [stdout]
[INFO] [stdout] ---- README.md - docmatic::Usage (line 23) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `docmatic`
[INFO] [stdout] --> README.md:23:1
[INFO] [stdout] |
[INFO] [stdout] 23 | extern crate docmatic;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout]
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout]
[INFO] [stdout] failures:
[INFO] [stdout] README.md - docmatic::Usage (line 23)
[INFO] [stdout]
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout]
[INFO] [stdout] test test_readme ... FAILED
https://crater-reports.s3.amazonaws.com/beta-1.100-4/1.100.0-beta.1/reg/docmatic-0.1.2/log.txt
Activity
theemathas commentedon Oct 11, 2026
Bisection results:
Regressed in #159857. Unsure if this is due to the cargo build dir v2 change.
weihanglo commentedon Oct 11, 2026
This seems to be the same root cause of build dir layout v2
It expect the
depsdirectory in lib search path.https://github.com/assert-rs/docmatic/blob/e2e0492d5fafd85574d36113c905921e8bb04dfe/src/lib.rs#L104-L118
It is anyway archived (and epage owns that).
theemathas commentedon Oct 14, 2026
Closing as intended breakage, and the affected crate is archived.