Dec 05 11:21:42.561 INFO checking keep-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:21:42.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-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 05 11:21:42.728 INFO [stdout] dbea6e9d17d78acee7c991efd50731b6d417ceb2a5d601fe9d8add354ac8e930
Dec 05 11:21:42.732 INFO running `"docker" "start" "-a" "dbea6e9d17d78acee7c991efd50731b6d417ceb2a5d601fe9d8add354ac8e930"`
Dec 05 11:21:43.439 INFO [stderr] usermod: no changes
Dec 05 11:21:43.575 INFO [stderr]     Checking keep v0.1.0 (/source)
Dec 05 11:21:45.294 INFO [stderr] warning: unused variable: `e`
Dec 05 11:21:45.295 INFO [stderr]   --> src/lib.rs:29:17
Dec 05 11:21:45.295 INFO [stderr]    |
Dec 05 11:21:45.295 INFO [stderr] 29 |             Err(e) => {
Dec 05 11:21:45.295 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 05 11:21:45.295 INFO [stderr]    |
Dec 05 11:21:45.295 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 11:21:45.295 INFO [stderr] 
Dec 05 11:21:45.295 INFO [stderr] warning: unused variable: `reference`
Dec 05 11:21:45.295 INFO [stderr]    --> src/lib.rs:178:13
Dec 05 11:21:45.295 INFO [stderr]     |
Dec 05 11:21:45.295 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 05 11:21:45.295 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 05 11:21:45.295 INFO [stderr] 
Dec 05 11:21:45.506 INFO [stderr] warning: unused variable: `src`
Dec 05 11:21:45.506 INFO [stderr]    --> src/lib.rs:201:13
Dec 05 11:21:45.506 INFO [stderr]     |
Dec 05 11:21:45.506 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 05 11:21:45.506 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 05 11:21:45.506 INFO [stderr]     |
Dec 05 11:21:45.506 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 11:21:45.506 INFO [stderr] 
Dec 05 11:21:45.506 INFO [stderr] warning: unused variable: `e`
Dec 05 11:21:45.506 INFO [stderr]   --> src/lib.rs:29:17
Dec 05 11:21:45.506 INFO [stderr]    |
Dec 05 11:21:45.506 INFO [stderr] 29 |             Err(e) => {
Dec 05 11:21:45.506 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 05 11:21:45.506 INFO [stderr] 
Dec 05 11:21:45.506 INFO [stderr] warning: unused variable: `reference`
Dec 05 11:21:45.506 INFO [stderr]    --> src/lib.rs:178:13
Dec 05 11:21:45.506 INFO [stderr]     |
Dec 05 11:21:45.507 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 05 11:21:45.507 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 05 11:21:45.507 INFO [stderr] 
Dec 05 11:21:45.553 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
Dec 05 11:21:45.561 INFO [stderr] su: No module specific data is present
Dec 05 11:21:45.874 INFO running `"docker" "inspect" "dbea6e9d17d78acee7c991efd50731b6d417ceb2a5d601fe9d8add354ac8e930"`
Dec 05 11:21:46.041 INFO running `"docker" "rm" "-f" "dbea6e9d17d78acee7c991efd50731b6d417ceb2a5d601fe9d8add354ac8e930"`
Dec 05 11:21:46.185 INFO [stdout] dbea6e9d17d78acee7c991efd50731b6d417ceb2a5d601fe9d8add354ac8e930