Dec 07 09:17:33.857 INFO testing keep-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 09:17:33.857 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 09:17:34.238 INFO [stdout] 253b87d4233f90af21d84e88b3b2327e58c4d6efe36551be7f5b3f5c9976abc8
Dec 07 09:17:34.240 INFO running `"docker" "start" "-a" "253b87d4233f90af21d84e88b3b2327e58c4d6efe36551be7f5b3f5c9976abc8"`
Dec 07 09:17:35.224 INFO [stderr] usermod: no changes
Dec 07 09:17:35.383 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 07 09:17:37.636 INFO [stderr] warning: unused variable: `e`
Dec 07 09:17:37.636 INFO [stderr]   --> src/lib.rs:29:17
Dec 07 09:17:37.636 INFO [stderr]    |
Dec 07 09:17:37.636 INFO [stderr] 29 |             Err(e) => {
Dec 07 09:17:37.636 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 07 09:17:37.636 INFO [stderr]    |
Dec 07 09:17:37.636 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 09:17:37.636 INFO [stderr] 
Dec 07 09:17:37.636 INFO [stderr] warning: unused variable: `reference`
Dec 07 09:17:37.636 INFO [stderr]    --> src/lib.rs:178:13
Dec 07 09:17:37.636 INFO [stderr]     |
Dec 07 09:17:37.636 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 07 09:17:37.636 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 07 09:17:37.636 INFO [stderr] 
Dec 07 09:17:38.078 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 07 09:17:38.085 INFO [stderr] su: No module specific data is present
Dec 07 09:17:38.986 INFO running `"docker" "inspect" "253b87d4233f90af21d84e88b3b2327e58c4d6efe36551be7f5b3f5c9976abc8"`
Dec 07 09:17:39.242 INFO running `"docker" "rm" "-f" "253b87d4233f90af21d84e88b3b2327e58c4d6efe36551be7f5b3f5c9976abc8"`
Dec 07 09:17:39.630 INFO [stdout] 253b87d4233f90af21d84e88b3b2327e58c4d6efe36551be7f5b3f5c9976abc8
Dec 07 09:17:39.632 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 09:17:40.046 INFO [stdout] 25ced57ded9bbfc2d60dcc9cc73d0b6e8932177ed902bfa5436d65325f76b785
Dec 07 09:17:40.049 INFO running `"docker" "start" "-a" "25ced57ded9bbfc2d60dcc9cc73d0b6e8932177ed902bfa5436d65325f76b785"`
Dec 07 09:17:40.865 INFO [stderr] usermod: no changes
Dec 07 09:17:40.961 INFO [stderr]    Compiling keep v0.1.0 (/source)
Dec 07 09:17:42.811 INFO [stderr] warning: unused variable: `src`
Dec 07 09:17:42.811 INFO [stderr]    --> src/lib.rs:201:13
Dec 07 09:17:42.811 INFO [stderr]     |
Dec 07 09:17:42.811 INFO [stderr] 201 |         let src = Path::new("samples");
Dec 07 09:17:42.811 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Dec 07 09:17:42.811 INFO [stderr]     |
Dec 07 09:17:42.811 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 09:17:42.811 INFO [stderr] 
Dec 07 09:17:42.812 INFO [stderr] warning: unused variable: `e`
Dec 07 09:17:42.812 INFO [stderr]   --> src/lib.rs:29:17
Dec 07 09:17:42.812 INFO [stderr]    |
Dec 07 09:17:42.812 INFO [stderr] 29 |             Err(e) => {
Dec 07 09:17:42.812 INFO [stderr]    |                 ^ help: consider using `_e` instead
Dec 07 09:17:42.812 INFO [stderr] 
Dec 07 09:17:42.812 INFO [stderr] warning: unused variable: `reference`
Dec 07 09:17:42.812 INFO [stderr]    --> src/lib.rs:178:13
Dec 07 09:17:42.812 INFO [stderr]     |
Dec 07 09:17:42.812 INFO [stderr] 178 |         let reference = Some("HEAD");
Dec 07 09:17:42.812 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Dec 07 09:17:42.812 INFO [stderr] 
Dec 07 09:17:44.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
Dec 07 09:17:44.192 INFO [stderr] su: No module specific data is present
Dec 07 09:17:44.548 INFO running `"docker" "inspect" "25ced57ded9bbfc2d60dcc9cc73d0b6e8932177ed902bfa5436d65325f76b785"`
Dec 07 09:17:44.722 INFO running `"docker" "rm" "-f" "25ced57ded9bbfc2d60dcc9cc73d0b6e8932177ed902bfa5436d65325f76b785"`
Dec 07 09:17:44.889 INFO [stdout] 25ced57ded9bbfc2d60dcc9cc73d0b6e8932177ed902bfa5436d65325f76b785