Dec 15 13:30:22.127 INFO testing git-workarea-3.1.2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 13:30:22.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13:30:22.415 INFO [stdout] c7725c86eb5d6519cc907b3925481583ea3309060b74c451b9c8634c99ff5ac6
Dec 15 13:30:22.421 INFO running `"docker" "start" "-a" "c7725c86eb5d6519cc907b3925481583ea3309060b74c451b9c8634c99ff5ac6"`
Dec 15 13:30:22.887 INFO [stderr] usermod: no changes
Dec 15 13:30:22.964 INFO [stderr]    Compiling git-workarea v3.1.2 (/source)
Dec 15 13:30:24.964 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:30:24.964 INFO [stderr]    --> src/prepare.rs:111:17
Dec 15 13:30:24.964 INFO [stderr]     |
Dec 15 13:30:24.964 INFO [stderr] 111 |             let mut commit_tree_stdin =
Dec 15 13:30:24.964 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^^
Dec 15 13:30:24.964 INFO [stderr]     |                 |
Dec 15 13:30:24.964 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:30:24.964 INFO [stderr]     |
Dec 15 13:30:24.964 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:30:24.964 INFO [stderr] 
Dec 15 13:30:27.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
Dec 15 13:30:27.231 INFO [stderr] su: No module specific data is present
Dec 15 13:30:28.344 INFO running `"docker" "inspect" "c7725c86eb5d6519cc907b3925481583ea3309060b74c451b9c8634c99ff5ac6"`
Dec 15 13:30:28.565 INFO running `"docker" "rm" "-f" "c7725c86eb5d6519cc907b3925481583ea3309060b74c451b9c8634c99ff5ac6"`
Dec 15 13:30:28.807 INFO [stdout] c7725c86eb5d6519cc907b3925481583ea3309060b74c451b9c8634c99ff5ac6
Dec 15 13:30:28.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13:30:29.239 INFO [stdout] b6774de27f445c2d2d910738bd04816f655e9a650312d07ee3582ad74dc2dd4b
Dec 15 13:30:29.242 INFO running `"docker" "start" "-a" "b6774de27f445c2d2d910738bd04816f655e9a650312d07ee3582ad74dc2dd4b"`
Dec 15 13:30:29.953 INFO [stderr] usermod: no changes
Dec 15 13:30:30.027 INFO [stderr]    Compiling git-workarea v3.1.2 (/source)
Dec 15 13:30:32.611 INFO [stderr] warning: variable does not need to be mutable
Dec 15 13:30:32.611 INFO [stderr]    --> src/prepare.rs:111:17
Dec 15 13:30:32.611 INFO [stderr]     |
Dec 15 13:30:32.611 INFO [stderr] 111 |             let mut commit_tree_stdin =
Dec 15 13:30:32.611 INFO [stderr]     |                 ----^^^^^^^^^^^^^^^^^
Dec 15 13:30:32.611 INFO [stderr]     |                 |
Dec 15 13:30:32.611 INFO [stderr]     |                 help: remove this `mut`
Dec 15 13:30:32.611 INFO [stderr]     |
Dec 15 13:30:32.611 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 15 13:30:32.611 INFO [stderr] 
Dec 15 13:30:36.611 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
Dec 15 13:30:36.615 INFO [stderr] su: No module specific data is present
Dec 15 13:30:37.743 INFO running `"docker" "inspect" "b6774de27f445c2d2d910738bd04816f655e9a650312d07ee3582ad74dc2dd4b"`
Dec 15 13:30:37.995 INFO running `"docker" "rm" "-f" "b6774de27f445c2d2d910738bd04816f655e9a650312d07ee3582ad74dc2dd4b"`
Dec 15 13:30:38.346 INFO [stdout] b6774de27f445c2d2d910738bd04816f655e9a650312d07ee3582ad74dc2dd4b