Nov 07 00:34:33.153 INFO checking bon-chi/tower_of_hanoi_in_rust against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 00:34:33.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-5/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 00:34:33.710 INFO blam! 4db3a7244ba0a57199c4b201fba34526c38815b7f17922cfef0d63ecb4361444
Nov 07 00:34:33.712 INFO running `"docker" "start" "-a" "4db3a7244ba0a57199c4b201fba34526c38815b7f17922cfef0d63ecb4361444"`
Nov 07 00:34:35.032 INFO kablam! usermod: no changes
Nov 07 00:34:35.096 INFO kablam!     Checking tower_of_hanoi_in_rust v0.1.0 (/source)
Nov 07 00:34:35.581 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:34:35.581 INFO kablam!   --> src/main.rs:22:9
Nov 07 00:34:35.582 INFO kablam!    |
Nov 07 00:34:35.582 INFO kablam! 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 07 00:34:35.582 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 00:34:35.583 INFO kablam!    |         |
Nov 07 00:34:35.583 INFO kablam!    |         help: remove this `mut`
Nov 07 00:34:35.583 INFO kablam!    |
Nov 07 00:34:35.583 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 00:34:35.584 INFO kablam! 
Nov 07 00:34:35.689 INFO kablam! warning: variable does not need to be mutable
Nov 07 00:34:35.689 INFO kablam!   --> src/main.rs:22:9
Nov 07 00:34:35.689 INFO kablam!    |
Nov 07 00:34:35.690 INFO kablam! 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 07 00:34:35.690 INFO kablam!    |         ----^^^^^^^^^^
Nov 07 00:34:35.690 INFO kablam!    |         |
Nov 07 00:34:35.690 INFO kablam!    |         help: remove this `mut`
Nov 07 00:34:35.690 INFO kablam!    |
Nov 07 00:34:35.690 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 00:34:35.690 INFO kablam! 
Nov 07 00:34:35.702 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 07 00:34:35.704 INFO kablam! su: No module specific data is present
Nov 07 00:34:36.212 INFO running `"docker" "rm" "-f" "4db3a7244ba0a57199c4b201fba34526c38815b7f17922cfef0d63ecb4361444"`
Nov 07 00:34:36.429 INFO blam! 4db3a7244ba0a57199c4b201fba34526c38815b7f17922cfef0d63ecb4361444