these 4 derivations will be built:
  /nix/store/q2aalpy4xp0rh0j4p4lrvmkss58h3pp6-crate-ignore-0.4.29.tar.gz.drv
  /nix/store/hvwdcrrlsmsxxawl40l39hgbi1h2m55c-ignore-0.4.29.drv
  /nix/store/dwnqcpkf3i1dq9f1h8kfggarjcd7bg9z-cargo-vendor-dir.drv
  /nix/store/dp2kq1hmpbn4c3gr9cmw87mlixfaxr9v-nixfmt-rs-static-x86_64-unknown-linux-musl-0.5.1.drv
error: Cannot build '/nix/store/dp2kq1hmpbn4c3gr9cmw87mlixfaxr9v-nixfmt-rs-static-x86_64-unknown-linux-musl-0.5.1.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/sg30zq4c0wpl9fz1ixc7zzdvvh44ic96-nixfmt-rs-static-x86_64-unknown-linux-musl-0.5.1
       Last 25 log lines:
       > test stdin_formats_to_stdout ... ok
       > test message_format_json_check_mode_is_pure_json ... ok
       > test debug_dumps_go_to_stderr_and_exit_1 ... ok
       > test verify_flag_is_accepted ... ok
       > test check_unformatted_stdin_exits_1 ... ok
       > test filename_flag_used_in_errors ... ok
       > test quiet_suppresses_errors_but_keeps_exit_code ... ok
       > test indent_flag_changes_indentation ... ok
       > test width_flag_forces_multiline ... ok
       >
       > failures:
       >
       > ---- message_format_rejects_unknown_value stdout ----
       >
       > thread 'message_format_rejects_unknown_value' (1925) panicked at tests/cli.rs:25:61:
       > called `Result::unwrap()` on an `Err` value: Os { code: 32, kind: BrokenPipe, message: "Broken pipe" }
       > note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
       >
       >
       > failures:
       >     message_format_rejects_unknown_value
       >
       > test result: FAILED. 25 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
       >
       > error: test failed, to rerun pass `--test cli`
       For full logs, run:
         nix log /nix/store/dp2kq1hmpbn4c3gr9cmw87mlixfaxr9v-nixfmt-rs-static-x86_64-unknown-linux-musl-0.5.1.drv