Nov 01 07:48:22.524 INFO checking bon-chi/tower_of_hanoi_in_rust against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 07:48:22.524 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 07:48:22.732 INFO blam! b5114a337c579151c6fe930e92430b5b6640de43423e9232704be703f5b6596f
Nov 01 07:48:22.733 INFO running `"docker" "start" "-a" "b5114a337c579151c6fe930e92430b5b6640de43423e9232704be703f5b6596f"`
Nov 01 07:48:23.274 INFO kablam! usermod: no changes
Nov 01 07:48:23.318 INFO kablam!     Checking tower_of_hanoi_in_rust v0.1.0 (/source)
Nov 01 07:48:23.748 INFO kablam! warning: variable does not need to be mutable
Nov 01 07:48:23.748 INFO kablam!   --> src/main.rs:22:9
Nov 01 07:48:23.748 INFO kablam!    |
Nov 01 07:48:23.748 INFO kablam! 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 01 07:48:23.748 INFO kablam!    |         ----^^^^^^^^^^
Nov 01 07:48:23.748 INFO kablam!    |         |
Nov 01 07:48:23.748 INFO kablam!    |         help: remove this `mut`
Nov 01 07:48:23.748 INFO kablam!    |
Nov 01 07:48:23.748 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 07:48:23.748 INFO kablam! 
Nov 01 07:48:23.897 INFO kablam! warning: variable does not need to be mutable
Nov 01 07:48:23.897 INFO kablam!   --> src/main.rs:22:9
Nov 01 07:48:23.897 INFO kablam!    |
Nov 01 07:48:23.897 INFO kablam! 22 |     let mut new_stream: &mut Vec<i32> = &mut hanoi_stream(n - 1, h1);
Nov 01 07:48:23.897 INFO kablam!    |         ----^^^^^^^^^^
Nov 01 07:48:23.897 INFO kablam!    |         |
Nov 01 07:48:23.897 INFO kablam!    |         help: remove this `mut`
Nov 01 07:48:23.897 INFO kablam!    |
Nov 01 07:48:23.897 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 07:48:23.897 INFO kablam! 
Nov 01 07:48:23.935 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
Nov 01 07:48:23.938 INFO kablam! su: No module specific data is present
Nov 01 07:48:24.305 INFO running `"docker" "rm" "-f" "b5114a337c579151c6fe930e92430b5b6640de43423e9232704be703f5b6596f"`
Nov 01 07:48:24.460 INFO blam! b5114a337c579151c6fe930e92430b5b6640de43423e9232704be703f5b6596f