Dec 12 12:26:04.188 INFO checking keep-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:26:04.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 12:26:04.394 INFO [stdout] 3b1324a11d3b7f00ccc4c2e4a84fa07e2c336a432dbe4486d1554d15ebe8a123
Dec 12 12:26:04.398 INFO running `"docker" "start" "-a" "3b1324a11d3b7f00ccc4c2e4a84fa07e2c336a432dbe4486d1554d15ebe8a123"`
Dec 12 12:26:05.464 INFO [stderr] usermod: no changes
Dec 12 12:26:05.646 INFO [stderr]     Checking keep v0.1.0 (/source)
Dec 12 12:26:07.469 INFO [stderr] warning: unused variable: `e`
Dec 12 12:26:07.469 INFO [stderr]   --> src/lib.rs:29:17
Dec 12 12:26:07.469 INFO [stderr]    |
Dec 12 12:26:07.469 INFO [stderr] 29 |             Err(e) => {
Dec 12 12:26:07.469 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 12 12:26:07.469 INFO [stderr]    |
Dec 12 12:26:07.469 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 12:26:07.469 INFO [stderr] 
Dec 12 12:26:07.469 INFO [stderr] warning: unused variable: `reference`
Dec 12 12:26:07.469 INFO [stderr]    --> src/lib.rs:178:13
Dec 12 12:26:07.469 INFO [stderr]     |
Dec 12 12:26:07.469 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 12 12:26:07.469 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 12 12:26:07.469 INFO [stderr] 
Dec 12 12:26:07.569 INFO [stderr] warning: unused variable: `src`
Dec 12 12:26:07.569 INFO [stderr]    --> src/lib.rs:201:13
Dec 12 12:26:07.569 INFO [stderr]     |
Dec 12 12:26:07.569 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 12 12:26:07.569 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 12 12:26:07.569 INFO [stderr]     |
Dec 12 12:26:07.569 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 12:26:07.569 INFO [stderr] 
Dec 12 12:26:07.569 INFO [stderr] warning: unused variable: `e`
Dec 12 12:26:07.569 INFO [stderr]   --> src/lib.rs:29:17
Dec 12 12:26:07.569 INFO [stderr]    |
Dec 12 12:26:07.569 INFO [stderr] 29 |             Err(e) => {
Dec 12 12:26:07.569 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 12 12:26:07.569 INFO [stderr] 
Dec 12 12:26:07.570 INFO [stderr] warning: unused variable: `reference`
Dec 12 12:26:07.570 INFO [stderr]    --> src/lib.rs:178:13
Dec 12 12:26:07.570 INFO [stderr]     |
Dec 12 12:26:07.570 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 12 12:26:07.570 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 12 12:26:07.570 INFO [stderr] 
Dec 12 12:26:07.636 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
Dec 12 12:26:07.639 INFO [stderr] su: No module specific data is present
Dec 12 12:26:08.014 INFO running `"docker" "inspect" "3b1324a11d3b7f00ccc4c2e4a84fa07e2c336a432dbe4486d1554d15ebe8a123"`
Dec 12 12:26:08.216 INFO running `"docker" "rm" "-f" "3b1324a11d3b7f00ccc4c2e4a84fa07e2c336a432dbe4486d1554d15ebe8a123"`
Dec 12 12:26:08.616 INFO [stdout] 3b1324a11d3b7f00ccc4c2e4a84fa07e2c336a432dbe4486d1554d15ebe8a123