Dec 13 06:00:56.044 INFO testing richardfontana/mimosa against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 06:00:56.044 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:00:56.266 INFO [stdout] a63464650168f09896920127780a1b41116e059aa0c454aaeb72bc4ed4aa51f4
Dec 13 06:00:56.268 INFO running `"docker" "start" "-a" "a63464650168f09896920127780a1b41116e059aa0c454aaeb72bc4ed4aa51f4"`
Dec 13 06:00:56.691 INFO [stderr] usermod: no changes
Dec 13 06:00:56.711 INFO [stderr]    Compiling mimosa v0.1.0 (/source)
Dec 13 06:00:56.856 INFO [stderr] warning: unused variable: `v`
Dec 13 06:00:56.856 INFO [stderr]   --> src/main.rs:26:17
Dec 13 06:00:56.856 INFO [stderr]    |
Dec 13 06:00:56.856 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 13 06:00:56.856 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 13 06:00:56.856 INFO [stderr]    |
Dec 13 06:00:56.856 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:00:56.856 INFO [stderr] 
Dec 13 06:00:56.856 INFO [stderr] warning: unused variable: `s`
Dec 13 06:00:56.856 INFO [stderr]   --> src/main.rs:55:23
Dec 13 06:00:56.856 INFO [stderr]    |
Dec 13 06:00:56.856 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:56.856 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 13 06:00:56.856 INFO [stderr] 
Dec 13 06:00:56.863 INFO [stderr] warning: unused variable: `ds`
Dec 13 06:00:56.863 INFO [stderr]   --> src/main.rs:55:34
Dec 13 06:00:56.863 INFO [stderr]    |
Dec 13 06:00:56.863 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:56.863 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 13 06:00:56.863 INFO [stderr] 
Dec 13 06:00:56.867 INFO [stderr] warning: field is never used: `begin`
Dec 13 06:00:56.867 INFO [stderr]   --> src/main.rs:12:5
Dec 13 06:00:56.867 INFO [stderr]    |
Dec 13 06:00:56.867 INFO [stderr] 12 |     begin: &'static str,
Dec 13 06:00:56.867 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:56.867 INFO [stderr]    |
Dec 13 06:00:56.867 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:00:56.867 INFO [stderr] 
Dec 13 06:00:56.867 INFO [stderr] warning: field is never used: `end`
Dec 13 06:00:56.867 INFO [stderr]   --> src/main.rs:13:5
Dec 13 06:00:56.867 INFO [stderr]    |
Dec 13 06:00:56.867 INFO [stderr] 13 |     end: &'static str,
Dec 13 06:00:56.867 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 06:00:56.867 INFO [stderr] 
Dec 13 06:00:56.874 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:00:56.874 INFO [stderr]   --> src/main.rs:25:13
Dec 13 06:00:56.874 INFO [stderr]    |
Dec 13 06:00:56.874 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 13 06:00:56.874 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:56.874 INFO [stderr]    |
Dec 13 06:00:56.874 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:00:56.874 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:00:56.874 INFO [stderr] 
Dec 13 06:00:57.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 13 06:00:57.123 INFO [stderr] su: No module specific data is present
Dec 13 06:00:57.376 INFO running `"docker" "inspect" "a63464650168f09896920127780a1b41116e059aa0c454aaeb72bc4ed4aa51f4"`
Dec 13 06:00:57.495 INFO running `"docker" "rm" "-f" "a63464650168f09896920127780a1b41116e059aa0c454aaeb72bc4ed4aa51f4"`
Dec 13 06:00:57.603 INFO [stdout] a63464650168f09896920127780a1b41116e059aa0c454aaeb72bc4ed4aa51f4
Dec 13 06:00:57.606 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:00:57.787 INFO [stdout] 0899040602fbe9d2ff1e2ef276e1256e005327feef22ccb4161daf96e48cefae
Dec 13 06:00:57.790 INFO running `"docker" "start" "-a" "0899040602fbe9d2ff1e2ef276e1256e005327feef22ccb4161daf96e48cefae"`
Dec 13 06:00:58.347 INFO [stderr] usermod: no changes
Dec 13 06:00:58.414 INFO [stderr]    Compiling mimosa v0.1.0 (/source)
Dec 13 06:00:58.555 INFO [stderr] warning: unused variable: `v`
Dec 13 06:00:58.555 INFO [stderr]   --> src/main.rs:26:17
Dec 13 06:00:58.555 INFO [stderr]    |
Dec 13 06:00:58.555 INFO [stderr] 26 |             let v = reduce_to_comments(s, delims);
Dec 13 06:00:58.555 INFO [stderr]    |                 ^ help: consider using `_v` instead
Dec 13 06:00:58.555 INFO [stderr]    |
Dec 13 06:00:58.555 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:00:58.555 INFO [stderr] 
Dec 13 06:00:58.555 INFO [stderr] warning: unused variable: `s`
Dec 13 06:00:58.555 INFO [stderr]   --> src/main.rs:55:23
Dec 13 06:00:58.555 INFO [stderr]    |
Dec 13 06:00:58.555 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:58.555 INFO [stderr]    |                       ^ help: consider using `_s` instead
Dec 13 06:00:58.555 INFO [stderr] 
Dec 13 06:00:58.555 INFO [stderr] warning: unused variable: `ds`
Dec 13 06:00:58.555 INFO [stderr]   --> src/main.rs:55:34
Dec 13 06:00:58.555 INFO [stderr]    |
Dec 13 06:00:58.555 INFO [stderr] 55 | fn reduce_to_comments(s: String, ds: CommentDelimiters) -> Vec<String> {
Dec 13 06:00:58.555 INFO [stderr]    |                                  ^^ help: consider using `_ds` instead
Dec 13 06:00:58.555 INFO [stderr] 
Dec 13 06:00:58.558 INFO [stderr] warning: field is never used: `begin`
Dec 13 06:00:58.558 INFO [stderr]   --> src/main.rs:12:5
Dec 13 06:00:58.558 INFO [stderr]    |
Dec 13 06:00:58.558 INFO [stderr] 12 |     begin: &'static str,
Dec 13 06:00:58.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.558 INFO [stderr]    |
Dec 13 06:00:58.558 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:00:58.558 INFO [stderr] 
Dec 13 06:00:58.558 INFO [stderr] warning: field is never used: `end`
Dec 13 06:00:58.558 INFO [stderr]   --> src/main.rs:13:5
Dec 13 06:00:58.558 INFO [stderr]    |
Dec 13 06:00:58.558 INFO [stderr] 13 |     end: &'static str,
Dec 13 06:00:58.558 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.558 INFO [stderr] 
Dec 13 06:00:58.565 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 06:00:58.565 INFO [stderr]   --> src/main.rs:25:13
Dec 13 06:00:58.565 INFO [stderr]    |
Dec 13 06:00:58.565 INFO [stderr] 25 |             fr.read_to_string(&mut s);
Dec 13 06:00:58.565 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 06:00:58.565 INFO [stderr]    |
Dec 13 06:00:58.565 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 06:00:58.565 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 06:00:58.565 INFO [stderr] 
Dec 13 06:00:58.786 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 13 06:00:58.788 INFO [stderr] su: No module specific data is present
Dec 13 06:00:59.043 INFO running `"docker" "inspect" "0899040602fbe9d2ff1e2ef276e1256e005327feef22ccb4161daf96e48cefae"`
Dec 13 06:00:59.141 INFO running `"docker" "rm" "-f" "0899040602fbe9d2ff1e2ef276e1256e005327feef22ccb4161daf96e48cefae"`
Dec 13 06:00:59.209 INFO [stdout] 0899040602fbe9d2ff1e2ef276e1256e005327feef22ccb4161daf96e48cefae
Dec 13 06:00:59.211 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 06:00:59.359 INFO [stdout] 4c240286e61a5a2779f1fad5a7a601183d662570c5f6842db32815d39c263cc4
Dec 13 06:00:59.363 INFO running `"docker" "start" "-a" "4c240286e61a5a2779f1fad5a7a601183d662570c5f6842db32815d39c263cc4"`
Dec 13 06:00:59.746 INFO [stderr] usermod: no changes
Dec 13 06:00:59.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 13 06:00:59.807 INFO [stderr]      Running /target/debug/deps/mimosa-117b6c82dcec97d7
Dec 13 06:00:59.807 INFO [stderr] su: No module specific data is present
Dec 13 06:00:59.807 INFO [stdout] 
Dec 13 06:00:59.807 INFO [stdout] running 0 tests
Dec 13 06:00:59.808 INFO [stdout] 
Dec 13 06:00:59.808 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:00:59.808 INFO [stdout] 
Dec 13 06:01:00.245 INFO running `"docker" "inspect" "4c240286e61a5a2779f1fad5a7a601183d662570c5f6842db32815d39c263cc4"`
Dec 13 06:01:00.409 INFO running `"docker" "rm" "-f" "4c240286e61a5a2779f1fad5a7a601183d662570c5f6842db32815d39c263cc4"`
Dec 13 06:01:00.517 INFO [stdout] 4c240286e61a5a2779f1fad5a7a601183d662570c5f6842db32815d39c263cc4