Nov 28 08:29:32.328 INFO checking bon-chi/tower_of_hanoi_in_rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 08:29:32.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:29:32.853 INFO [stdout] 5d33a27f9f213b68bd624b4761df1db8a0bcbc0e54b22ebc66a6721a2d22a0e6
Nov 28 08:29:32.858 INFO running `"docker" "start" "-a" "5d33a27f9f213b68bd624b4761df1db8a0bcbc0e54b22ebc66a6721a2d22a0e6"`
Nov 28 08:29:34.720 INFO [stderr] usermod: no changes
Nov 28 08:29:34.792 INFO [stderr]     Checking tower_of_hanoi_in_rust v0.1.0 (/source)
Nov 28 08:29:35.324 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:29:35.324 INFO [stderr]   --> src/main.rs:22:9
Nov 28 08:29:35.325 INFO [stderr]    |
Nov 28 08:29:35.325 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 28 08:29:35.325 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 08:29:35.325 INFO [stderr]    |         |
Nov 28 08:29:35.326 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:29:35.326 INFO [stderr]    |
Nov 28 08:29:35.326 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:29:35.326 INFO [stderr] 
Nov 28 08:29:35.580 INFO [stderr] warning: variable does not need to be mutable
Nov 28 08:29:35.580 INFO [stderr]   --> src/main.rs:22:9
Nov 28 08:29:35.580 INFO [stderr]    |
Nov 28 08:29:35.580 INFO [stderr] 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 28 08:29:35.580 INFO [stderr]    |         ----^^^^^^^^^^
Nov 28 08:29:35.580 INFO [stderr]    |         |
Nov 28 08:29:35.580 INFO [stderr]    |         help: remove this `mut`
Nov 28 08:29:35.580 INFO [stderr]    |
Nov 28 08:29:35.580 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 08:29:35.580 INFO [stderr] 
Nov 28 08:29:35.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Nov 28 08:29:35.648 INFO [stderr] su: No module specific data is present
Nov 28 08:29:36.638 INFO running `"docker" "inspect" "5d33a27f9f213b68bd624b4761df1db8a0bcbc0e54b22ebc66a6721a2d22a0e6"`
Nov 28 08:29:36.915 INFO running `"docker" "rm" "-f" "5d33a27f9f213b68bd624b4761df1db8a0bcbc0e54b22ebc66a6721a2d22a0e6"`
Nov 28 08:29:37.214 INFO [stdout] 5d33a27f9f213b68bd624b4761df1db8a0bcbc0e54b22ebc66a6721a2d22a0e6