Dec 07 09:17:35.193 INFO testing keep-0.1.0 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 09:17:35.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 09:17:35.569 INFO [stdout] 9079ecda2f39844bebd787cf9e299e366c832b32545f3d57056d88aaf9059a48
Dec 07 09:17:35.573 INFO running `"docker" "start" "-a" "9079ecda2f39844bebd787cf9e299e366c832b32545f3d57056d88aaf9059a48"`
Dec 07 09:17:36.705 INFO [stderr] usermod: no changes
Dec 07 09:17:36.888 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 07 09:17:38.084 INFO [stderr] warning: unused variable: `e`
Dec 07 09:17:38.084 INFO [stderr]   --> src/lib.rs:29:17
Dec 07 09:17:38.084 INFO [stderr]    |
Dec 07 09:17:38.084 INFO [stderr] 29 |             Err(e) => {
Dec 07 09:17:38.084 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 07 09:17:38.084 INFO [stderr]    |
Dec 07 09:17:38.085 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 09:17:38.085 INFO [stderr] 
Dec 07 09:17:38.085 INFO [stderr] warning: unused variable: `reference`
Dec 07 09:17:38.085 INFO [stderr]    --> src/lib.rs:178:13
Dec 07 09:17:38.085 INFO [stderr]     |
Dec 07 09:17:38.085 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 07 09:17:38.085 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 07 09:17:38.085 INFO [stderr] 
Dec 07 09:17:38.402 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 07 09:17:38.402 INFO [stderr] su: No module specific data is present
Dec 07 09:17:39.014 INFO running `"docker" "inspect" "9079ecda2f39844bebd787cf9e299e366c832b32545f3d57056d88aaf9059a48"`
Dec 07 09:17:39.416 INFO running `"docker" "rm" "-f" "9079ecda2f39844bebd787cf9e299e366c832b32545f3d57056d88aaf9059a48"`
Dec 07 09:17:39.644 INFO [stdout] 9079ecda2f39844bebd787cf9e299e366c832b32545f3d57056d88aaf9059a48
Dec 07 09:17:39.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-0/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07 09:17:39.936 INFO [stdout] edb433c87e30eb41eac5a471fd8dcdbebd2121c290e61ec8c6be48a519e54871
Dec 07 09:17:39.938 INFO running `"docker" "start" "-a" "edb433c87e30eb41eac5a471fd8dcdbebd2121c290e61ec8c6be48a519e54871"`
Dec 07 09:17:40.663 INFO [stderr] usermod: no changes
Dec 07 09:17:40.769 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 07 09:17:42.047 INFO [stderr] warning: unused variable: `src`
Dec 07 09:17:42.047 INFO [stderr]    --> src/lib.rs:201:13
Dec 07 09:17:42.047 INFO [stderr]     |
Dec 07 09:17:42.047 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 07 09:17:42.047 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 07 09:17:42.047 INFO [stderr]     |
Dec 07 09:17:42.047 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 09:17:42.047 INFO [stderr] 
Dec 07 09:17:42.047 INFO [stderr] warning: unused variable: `e`
Dec 07 09:17:42.047 INFO [stderr]   --> src/lib.rs:29:17
Dec 07 09:17:42.047 INFO [stderr]    |
Dec 07 09:17:42.047 INFO [stderr] 29 |             Err(e) => {
Dec 07 09:17:42.047 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 07 09:17:42.047 INFO [stderr] 
Dec 07 09:17:42.047 INFO [stderr] warning: unused variable: `reference`
Dec 07 09:17:42.047 INFO [stderr]    --> src/lib.rs:178:13
Dec 07 09:17:42.047 INFO [stderr]     |
Dec 07 09:17:42.047 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 07 09:17:42.047 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 07 09:17:42.047 INFO [stderr] 
Dec 07 09:17:43.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 07 09:17:43.395 INFO [stderr] su: No module specific data is present
Dec 07 09:17:43.682 INFO running `"docker" "inspect" "edb433c87e30eb41eac5a471fd8dcdbebd2121c290e61ec8c6be48a519e54871"`
Dec 07 09:17:43.762 INFO running `"docker" "rm" "-f" "edb433c87e30eb41eac5a471fd8dcdbebd2121c290e61ec8c6be48a519e54871"`
Dec 07 09:17:43.904 INFO [stdout] edb433c87e30eb41eac5a471fd8dcdbebd2121c290e61ec8c6be48a519e54871