Nov 28 03:02:31.342 INFO checking jrobar/Twelve-Days-of-Christmas against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 03:02:31.343 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-3/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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 28 03:02:31.728 INFO [stdout] 13de39c9a242686d4e2665c86402306752fb487ef3e7c379adb2ee4fcab471cf
Nov 28 03:02:31.731 INFO running `"docker" "start" "-a" "13de39c9a242686d4e2665c86402306752fb487ef3e7c379adb2ee4fcab471cf"`
Nov 28 03:02:32.409 INFO [stderr] usermod: no changes
Nov 28 03:02:32.432 INFO [stderr]     Checking twelve_days_of_christmas v0.1.0 (/source)
Nov 28 03:02:32.741 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:02:32.741 INFO [stderr]  --> src/main.rs:6:9
Nov 28 03:02:32.741 INFO [stderr]   |
Nov 28 03:02:32.741 INFO [stderr] 6 |     let mut n = 11;
Nov 28 03:02:32.741 INFO [stderr]   |         ----^
Nov 28 03:02:32.741 INFO [stderr]   |         |
Nov 28 03:02:32.741 INFO [stderr]   |         help: remove this `mut`
Nov 28 03:02:32.741 INFO [stderr]   |
Nov 28 03:02:32.741 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 28 03:02:32.741 INFO [stderr] 
Nov 28 03:02:32.820 INFO [stderr] warning: variable does not need to be mutable
Nov 28 03:02:32.820 INFO [stderr]  --> src/main.rs:6:9
Nov 28 03:02:32.820 INFO [stderr]   |
Nov 28 03:02:32.820 INFO [stderr] 6 |     let mut n = 11;
Nov 28 03:02:32.820 INFO [stderr]   |         ----^
Nov 28 03:02:32.820 INFO [stderr]   |         |
Nov 28 03:02:32.820 INFO [stderr]   |         help: remove this `mut`
Nov 28 03:02:32.820 INFO [stderr]   |
Nov 28 03:02:32.820 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Nov 28 03:02:32.820 INFO [stderr] 
Nov 28 03:02:32.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Nov 28 03:02:32.841 INFO [stderr] su: No module specific data is present
Nov 28 03:02:33.172 INFO running `"docker" "inspect" "13de39c9a242686d4e2665c86402306752fb487ef3e7c379adb2ee4fcab471cf"`
Nov 28 03:02:33.314 INFO running `"docker" "rm" "-f" "13de39c9a242686d4e2665c86402306752fb487ef3e7c379adb2ee4fcab471cf"`
Nov 28 03:02:33.443 INFO [stdout] 13de39c9a242686d4e2665c86402306752fb487ef3e7c379adb2ee4fcab471cf