Dec 15 13:30:22.492 INFO testing git-workarea-3.1.2 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 13:30:22.492 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 13:30:22.754 INFO [stdout] 4a9095911954ec3c821cd4ff729fb0ccb2aec56efa37c029de74df29db40cdd8
Dec 15 13:30:22.756 INFO running `"docker" "start" "-a" "4a9095911954ec3c821cd4ff729fb0ccb2aec56efa37c029de74df29db40cdd8"`
Dec 15 13:30:23.224 INFO [stderr] usermod: no changes
Dec 15 13:30:23.319 INFO [stderr]    Compiling git-workarea v3.1.2 (/source)
Dec 15 13:30:25.556 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:30:25.556 INFO [stderr]    --> src/prepare.rs:111:17
Dec 15 13:30:25.556 INFO [stderr]     |
Dec 15 13:30:25.556 INFO [stderr] 111 |             let mut commit_tree_stdin =
Dec 15 13:30:25.556 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^^
Dec 15 13:30:25.556 INFO [stderr]     |                 |
Dec 15 13:30:25.556 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:30:25.557 INFO [stderr]     |
Dec 15 13:30:25.557 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:30:25.557 INFO [stderr] 
Dec 15 13:30:27.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
Dec 15 13:30:27.962 INFO [stderr] su: No module specific data is present
Dec 15 13:30:28.656 INFO running `"docker" "inspect" "4a9095911954ec3c821cd4ff729fb0ccb2aec56efa37c029de74df29db40cdd8"`
Dec 15 13:30:28.916 INFO running `"docker" "rm" "-f" "4a9095911954ec3c821cd4ff729fb0ccb2aec56efa37c029de74df29db40cdd8"`
Dec 15 13:30:29.162 INFO [stdout] 4a9095911954ec3c821cd4ff729fb0ccb2aec56efa37c029de74df29db40cdd8
Dec 15 13:30:29.164 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 13:30:29.510 INFO [stdout] d1a4081aff24bf62dbbd9eac4eaabf74f5071f47c86058f88fc68920acb4818d
Dec 15 13:30:29.515 INFO running `"docker" "start" "-a" "d1a4081aff24bf62dbbd9eac4eaabf74f5071f47c86058f88fc68920acb4818d"`
Dec 15 13:30:30.110 INFO [stderr] usermod: no changes
Dec 15 13:30:30.187 INFO [stderr]    Compiling git-workarea v3.1.2 (/source)
Dec 15 13:30:32.823 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:30:32.823 INFO [stderr]    --> src/prepare.rs:111:17
Dec 15 13:30:32.823 INFO [stderr]     |
Dec 15 13:30:32.823 INFO [stderr] 111 |             let mut commit_tree_stdin =
Dec 15 13:30:32.823 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^^
Dec 15 13:30:32.823 INFO [stderr]     |                 |
Dec 15 13:30:32.823 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:30:32.823 INFO [stderr]     |
Dec 15 13:30:32.823 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:30:32.823 INFO [stderr] 
Dec 15 13:30:36.935 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
Dec 15 13:30:36.946 INFO [stderr] su: No module specific data is present
Dec 15 13:30:37.740 INFO running `"docker" "inspect" "d1a4081aff24bf62dbbd9eac4eaabf74f5071f47c86058f88fc68920acb4818d"`
Dec 15 13:30:37.999 INFO running `"docker" "rm" "-f" "d1a4081aff24bf62dbbd9eac4eaabf74f5071f47c86058f88fc68920acb4818d"`
Dec 15 13:30:38.479 INFO [stdout] d1a4081aff24bf62dbbd9eac4eaabf74f5071f47c86058f88fc68920acb4818d