Nov 18 08:02:08.486 INFO testing keep-0.1.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 08:02:08.487 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 08:02:08.983 INFO [stdout] e8740de70222fdc0db669e970c0ea12476c93bead29ac4911acd1c4e8a6250db
Nov 18 08:02:08.988 INFO running `"docker" "start" "-a" "e8740de70222fdc0db669e970c0ea12476c93bead29ac4911acd1c4e8a6250db"`
Nov 18 08:02:10.084 INFO [stderr] usermod: no changes
Nov 18 08:02:10.270 INFO [stderr]    Compiling keep v0.1.0 (/source)
Nov 18 08:02:12.043 INFO [stderr] warning: unused variable: `e`
Nov 18 08:02:12.043 INFO [stderr]   --> src/lib.rs:29:17
Nov 18 08:02:12.043 INFO [stderr]    |
Nov 18 08:02:12.043 INFO [stderr] 29 |             Err(e) => {
Nov 18 08:02:12.043 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 18 08:02:12.043 INFO [stderr]    |
Nov 18 08:02:12.043 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 18 08:02:12.043 INFO [stderr] 
Nov 18 08:02:12.043 INFO [stderr] warning: unused variable: `reference`
Nov 18 08:02:12.043 INFO [stderr]    --> src/lib.rs:178:13
Nov 18 08:02:12.043 INFO [stderr]     |
Nov 18 08:02:12.043 INFO [stderr] 178 |         let reference = Some("HEAD");
Nov 18 08:02:12.043 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Nov 18 08:02:12.043 INFO [stderr] 
Nov 18 08:02:12.286 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Nov 18 08:02:12.294 INFO [stderr] su: No module specific data is present
Nov 18 08:02:12.588 INFO running `"docker" "inspect" "e8740de70222fdc0db669e970c0ea12476c93bead29ac4911acd1c4e8a6250db"`
Nov 18 08:02:12.682 INFO running `"docker" "rm" "-f" "e8740de70222fdc0db669e970c0ea12476c93bead29ac4911acd1c4e8a6250db"`
Nov 18 08:02:12.801 INFO [stdout] e8740de70222fdc0db669e970c0ea12476c93bead29ac4911acd1c4e8a6250db
Nov 18 08:02:12.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 08:02:12.995 INFO [stdout] 8f652c554263b2e624b3d7a09c2ddc70cb5d2bd18d3947e035c23c40c2344fad
Nov 18 08:02:12.999 INFO running `"docker" "start" "-a" "8f652c554263b2e624b3d7a09c2ddc70cb5d2bd18d3947e035c23c40c2344fad"`
Nov 18 08:02:13.528 INFO [stderr] usermod: no changes
Nov 18 08:02:13.614 INFO [stderr]    Compiling keep v0.1.0 (/source)
Nov 18 08:02:15.204 INFO [stderr] warning: unused variable: `src`
Nov 18 08:02:15.204 INFO [stderr]    --> src/lib.rs:201:13
Nov 18 08:02:15.205 INFO [stderr]     |
Nov 18 08:02:15.205 INFO [stderr] 201 |         let src = Path::new("samples");
Nov 18 08:02:15.205 INFO [stderr]     |             ^^^ help: consider using `_src` instead
Nov 18 08:02:15.205 INFO [stderr]     |
Nov 18 08:02:15.205 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 08:02:15.205 INFO [stderr] 
Nov 18 08:02:15.211 INFO [stderr] warning: unused variable: `e`
Nov 18 08:02:15.211 INFO [stderr]   --> src/lib.rs:29:17
Nov 18 08:02:15.212 INFO [stderr]    |
Nov 18 08:02:15.212 INFO [stderr] 29 |             Err(e) => {
Nov 18 08:02:15.212 INFO [stderr]    |                 ^ help: consider using `_e` instead
Nov 18 08:02:15.212 INFO [stderr] 
Nov 18 08:02:15.212 INFO [stderr] warning: unused variable: `reference`
Nov 18 08:02:15.212 INFO [stderr]    --> src/lib.rs:178:13
Nov 18 08:02:15.212 INFO [stderr]     |
Nov 18 08:02:15.212 INFO [stderr] 178 |         let reference = Some("HEAD");
Nov 18 08:02:15.212 INFO [stderr]     |             ^^^^^^^^^ help: consider using `_reference` instead
Nov 18 08:02:15.212 INFO [stderr] 
Nov 18 08:02:16.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
Nov 18 08:02:16.843 INFO [stderr] su: No module specific data is present
Nov 18 08:02:17.220 INFO running `"docker" "inspect" "8f652c554263b2e624b3d7a09c2ddc70cb5d2bd18d3947e035c23c40c2344fad"`
Nov 18 08:02:17.315 INFO running `"docker" "rm" "-f" "8f652c554263b2e624b3d7a09c2ddc70cb5d2bd18d3947e035c23c40c2344fad"`
Nov 18 08:02:17.427 INFO [stdout] 8f652c554263b2e624b3d7a09c2ddc70cb5d2bd18d3947e035c23c40c2344fad