Dec 15 06:53:39.468 INFO testing keep-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 06:53:39.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15 06:53:39.927 INFO [stdout] 6bf42afdd35f378553248cc797053fc320984f467bb6a99dc3c837dcbaf7886e
Dec 15 06:53:39.929 INFO running `"docker" "start" "-a" "6bf42afdd35f378553248cc797053fc320984f467bb6a99dc3c837dcbaf7886e"`
Dec 15 06:53:41.285 INFO [stderr] usermod: no changes
Dec 15 06:53:41.450 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 15 06:53:43.691 INFO [stderr] warning: unused variable: `e`
Dec 15 06:53:43.691 INFO [stderr]   --> src/lib.rs:29:17
Dec 15 06:53:43.691 INFO [stderr]    |
Dec 15 06:53:43.691 INFO [stderr] 29 |             Err(e) => {
Dec 15 06:53:43.691 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 15 06:53:43.691 INFO [stderr]    |
Dec 15 06:53:43.691 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 06:53:43.691 INFO [stderr] 
Dec 15 06:53:43.691 INFO [stderr] warning: unused variable: `reference`
Dec 15 06:53:43.691 INFO [stderr]    --> src/lib.rs:178:13
Dec 15 06:53:43.691 INFO [stderr]     |
Dec 15 06:53:43.691 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 15 06:53:43.691 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 15 06:53:43.691 INFO [stderr] 
Dec 15 06:53:44.135 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
Dec 15 06:53:44.143 INFO [stderr] su: No module specific data is present
Dec 15 06:53:44.770 INFO running `"docker" "inspect" "6bf42afdd35f378553248cc797053fc320984f467bb6a99dc3c837dcbaf7886e"`
Dec 15 06:53:45.136 INFO running `"docker" "rm" "-f" "6bf42afdd35f378553248cc797053fc320984f467bb6a99dc3c837dcbaf7886e"`
Dec 15 06:53:45.507 INFO [stdout] 6bf42afdd35f378553248cc797053fc320984f467bb6a99dc3c837dcbaf7886e
Dec 15 06:53:45.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 15 06:53:45.939 INFO [stdout] 4ab85947cb11e5d520c9975e00564379daf6504c1c475948ae3c4377b8ffec8a
Dec 15 06:53:45.941 INFO running `"docker" "start" "-a" "4ab85947cb11e5d520c9975e00564379daf6504c1c475948ae3c4377b8ffec8a"`
Dec 15 06:53:47.147 INFO [stderr] usermod: no changes
Dec 15 06:53:47.323 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 15 06:53:49.699 INFO [stderr] warning: unused variable: `src`
Dec 15 06:53:49.699 INFO [stderr]    --> src/lib.rs:201:13
Dec 15 06:53:49.699 INFO [stderr]     |
Dec 15 06:53:49.699 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 15 06:53:49.699 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 15 06:53:49.699 INFO [stderr]     |
Dec 15 06:53:49.699 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 15 06:53:49.699 INFO [stderr] 
Dec 15 06:53:49.699 INFO [stderr] warning: unused variable: `e`
Dec 15 06:53:49.699 INFO [stderr]   --> src/lib.rs:29:17
Dec 15 06:53:49.699 INFO [stderr]    |
Dec 15 06:53:49.699 INFO [stderr] 29 |             Err(e) => {
Dec 15 06:53:49.699 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 15 06:53:49.699 INFO [stderr] 
Dec 15 06:53:49.699 INFO [stderr] warning: unused variable: `reference`
Dec 15 06:53:49.699 INFO [stderr]    --> src/lib.rs:178:13
Dec 15 06:53:49.699 INFO [stderr]     |
Dec 15 06:53:49.699 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 15 06:53:49.699 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 15 06:53:49.699 INFO [stderr] 
Dec 15 06:53:51.515 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
Dec 15 06:53:51.519 INFO [stderr] su: No module specific data is present
Dec 15 06:53:51.850 INFO running `"docker" "inspect" "4ab85947cb11e5d520c9975e00564379daf6504c1c475948ae3c4377b8ffec8a"`
Dec 15 06:53:51.939 INFO running `"docker" "rm" "-f" "4ab85947cb11e5d520c9975e00564379daf6504c1c475948ae3c4377b8ffec8a"`
Dec 15 06:53:52.036 INFO [stdout] 4ab85947cb11e5d520c9975e00564379daf6504c1c475948ae3c4377b8ffec8a