Dec 13 06:00:57.681 INFO testing richardfontana/mimosa against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:00:57.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:00:57.838 INFO [stdout] d700b9737c971f508349159560d7cd3fca09ede1d313f918d30a946b4c4ab0f3
Dec 13 06:00:57.840 INFO running `"docker" "start" "-a" "d700b9737c971f508349159560d7cd3fca09ede1d313f918d30a946b4c4ab0f3"`
Dec 13 06:00:58.341 INFO [stderr] usermod: no changes
Dec 13 06:00:58.364 INFO [stderr]    Compiling mimosa v0.1.0 (/source)
Dec 13 06:00:58.517 INFO [stderr] warning: unused variable: `v`
Dec 13 06:00:58.517 INFO [stderr]   --> src/main.rs:26:17
Dec 13 06:00:58.517 INFO [stderr]    |
Dec 13 06:00:58.517 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 13 06:00:58.517 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 13 06:00:58.517 INFO [stderr]    |
Dec 13 06:00:58.517 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:00:58.517 INFO [stderr] 
Dec 13 06:00:58.517 INFO [stderr] warning: unused variable: `s`
Dec 13 06:00:58.517 INFO [stderr]   --> src/main.rs:55:23
Dec 13 06:00:58.517 INFO [stderr]    |
Dec 13 06:00:58.517 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:58.517 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 13 06:00:58.517 INFO [stderr] 
Dec 13 06:00:58.517 INFO [stderr] warning: unused variable: `ds`
Dec 13 06:00:58.517 INFO [stderr]   --> src/main.rs:55:34
Dec 13 06:00:58.517 INFO [stderr]    |
Dec 13 06:00:58.517 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:58.517 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 13 06:00:58.517 INFO [stderr] 
Dec 13 06:00:58.523 INFO [stderr] warning: field is never used: `begin`
Dec 13 06:00:58.523 INFO [stderr]   --> src/main.rs:12:5
Dec 13 06:00:58.523 INFO [stderr]    |
Dec 13 06:00:58.523 INFO [stderr] 12 |     begin: &'static str,
Dec 13 06:00:58.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.523 INFO [stderr]    |
Dec 13 06:00:58.523 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:00:58.523 INFO [stderr] 
Dec 13 06:00:58.523 INFO [stderr] warning: field is never used: `end`
Dec 13 06:00:58.523 INFO [stderr]   --> src/main.rs:13:5
Dec 13 06:00:58.523 INFO [stderr]    |
Dec 13 06:00:58.523 INFO [stderr] 13 |     end: &'static str,
Dec 13 06:00:58.523 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.523 INFO [stderr] 
Dec 13 06:00:58.531 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:00:58.531 INFO [stderr]   --> src/main.rs:25:13
Dec 13 06:00:58.531 INFO [stderr]    |
Dec 13 06:00:58.531 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 13 06:00:58.531 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.531 INFO [stderr]    |
Dec 13 06:00:58.531 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:00:58.531 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:00:58.531 INFO [stderr] 
Dec 13 06:00:58.802 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 13 06:00:58.803 INFO [stderr] su: No module specific data is present
Dec 13 06:00:59.041 INFO running `"docker" "inspect" "d700b9737c971f508349159560d7cd3fca09ede1d313f918d30a946b4c4ab0f3"`
Dec 13 06:00:59.146 INFO running `"docker" "rm" "-f" "d700b9737c971f508349159560d7cd3fca09ede1d313f918d30a946b4c4ab0f3"`
Dec 13 06:00:59.269 INFO [stdout] d700b9737c971f508349159560d7cd3fca09ede1d313f918d30a946b4c4ab0f3
Dec 13 06:00:59.269 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:00:59.431 INFO [stdout] 430a85f4ad4acfd255a52c7b71fccdcd7a7f32c3cf7e0caa422f71da2a4ff95b
Dec 13 06:00:59.436 INFO running `"docker" "start" "-a" "430a85f4ad4acfd255a52c7b71fccdcd7a7f32c3cf7e0caa422f71da2a4ff95b"`
Dec 13 06:01:00.060 INFO [stderr] usermod: no changes
Dec 13 06:01:00.082 INFO [stderr]    Compiling mimosa v0.1.0 (/source)
Dec 13 06:01:00.245 INFO [stderr] warning: unused variable: `v`
Dec 13 06:01:00.245 INFO [stderr]   --> src/main.rs:26:17
Dec 13 06:01:00.245 INFO [stderr]    |
Dec 13 06:01:00.245 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 13 06:01:00.245 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 13 06:01:00.245 INFO [stderr]    |
Dec 13 06:01:00.366 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:01:00.366 INFO [stderr] 
Dec 13 06:01:00.408 INFO [stderr] warning: unused variable: `s`
Dec 13 06:01:00.408 INFO [stderr]   --> src/main.rs:55:23
Dec 13 06:01:00.408 INFO [stderr]    |
Dec 13 06:01:00.408 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:01:00.409 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 13 06:01:00.409 INFO [stderr] 
Dec 13 06:01:00.409 INFO [stderr] warning: unused variable: `ds`
Dec 13 06:01:00.409 INFO [stderr]   --> src/main.rs:55:34
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:01:00.409 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 13 06:01:00.409 INFO [stderr] 
Dec 13 06:01:00.409 INFO [stderr] warning: field is never used: `begin`
Dec 13 06:01:00.409 INFO [stderr]   --> src/main.rs:12:5
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr] 12 |     begin: &'static str,
Dec 13 06:01:00.409 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:01:00.409 INFO [stderr] 
Dec 13 06:01:00.409 INFO [stderr] warning: field is never used: `end`
Dec 13 06:01:00.409 INFO [stderr]   --> src/main.rs:13:5
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr] 13 |     end: &'static str,
Dec 13 06:01:00.409 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 06:01:00.409 INFO [stderr] 
Dec 13 06:01:00.409 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:01:00.409 INFO [stderr]   --> src/main.rs:25:13
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 13 06:01:00.409 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:01:00.409 INFO [stderr]    |
Dec 13 06:01:00.409 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:01:00.409 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:01:00.409 INFO [stderr] 
Dec 13 06:01:00.409 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
Dec 13 06:01:00.409 INFO [stderr] su: No module specific data is present
Dec 13 06:01:00.987 INFO running `"docker" "inspect" "430a85f4ad4acfd255a52c7b71fccdcd7a7f32c3cf7e0caa422f71da2a4ff95b"`
Dec 13 06:01:01.081 INFO running `"docker" "rm" "-f" "430a85f4ad4acfd255a52c7b71fccdcd7a7f32c3cf7e0caa422f71da2a4ff95b"`
Dec 13 06:01:01.150 INFO [stdout] 430a85f4ad4acfd255a52c7b71fccdcd7a7f32c3cf7e0caa422f71da2a4ff95b
Dec 13 06:01:01.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:01:01.372 INFO [stdout] bd3059fc76d7abe157baa376b4c2538d0ef4abcedd3a30b7914441c72413a3f8
Dec 13 06:01:01.373 INFO running `"docker" "start" "-a" "bd3059fc76d7abe157baa376b4c2538d0ef4abcedd3a30b7914441c72413a3f8"`
Dec 13 06:01:01.825 INFO [stderr] usermod: no changes
Dec 13 06:01:01.855 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 06:01:01.855 INFO [stderr]      Running /target/debug/deps/mimosa-18d777a44183ef7b
Dec 13 06:01:01.870 INFO [stdout] 
Dec 13 06:01:01.870 INFO [stdout] running 0 tests
Dec 13 06:01:01.870 INFO [stdout] 
Dec 13 06:01:01.870 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:01:01.870 INFO [stdout] 
Dec 13 06:01:01.870 INFO [stderr] su: No module specific data is present
Dec 13 06:01:02.148 INFO running `"docker" "inspect" "bd3059fc76d7abe157baa376b4c2538d0ef4abcedd3a30b7914441c72413a3f8"`
Dec 13 06:01:02.266 INFO running `"docker" "rm" "-f" "bd3059fc76d7abe157baa376b4c2538d0ef4abcedd3a30b7914441c72413a3f8"`
Dec 13 06:01:02.416 INFO [stdout] bd3059fc76d7abe157baa376b4c2538d0ef4abcedd3a30b7914441c72413a3f8