Nov 04 22:01:56.471 INFO checking jec-rccow-0.1.0 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 22:01:56.471 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 22:01:56.715 INFO blam! 5e0e4f9db68ab12ae27dbe553a8fbc14c1adcc6245b5121ba3812dfa897b8474
Nov 04 22:01:56.720 INFO running `"docker" "start" "-a" "5e0e4f9db68ab12ae27dbe553a8fbc14c1adcc6245b5121ba3812dfa897b8474"`
Nov 04 22:01:57.206 INFO kablam! usermod: no changes
Nov 04 22:01:57.239 INFO kablam!     Checking jec-rccow v0.1.0 (/source)
Nov 04 22:01:57.866 INFO kablam! warning: variable does not need to be mutable
Nov 04 22:01:57.866 INFO kablam!   --> src/lib.rs:73:13
Nov 04 22:01:57.866 INFO kablam!    |
Nov 04 22:01:57.866 INFO kablam! 73 |         let mut a = RcCow::new(5i32);
Nov 04 22:01:57.867 INFO kablam!    |             ----^
Nov 04 22:01:57.867 INFO kablam!    |             |
Nov 04 22:01:57.867 INFO kablam!    |             help: remove this `mut`
Nov 04 22:01:57.867 INFO kablam!    |
Nov 04 22:01:57.867 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 04 22:01:57.867 INFO kablam! 
Nov 04 22:01:57.867 INFO kablam! warning: variable does not need to be mutable
Nov 04 22:01:57.867 INFO kablam!   --> src/lib.rs:77:13
Nov 04 22:01:57.867 INFO kablam!    |
Nov 04 22:01:57.867 INFO kablam! 77 |         let mut c = b.clone();
Nov 04 22:01:57.867 INFO kablam!    |             ----^
Nov 04 22:01:57.867 INFO kablam!    |             |
Nov 04 22:01:57.867 INFO kablam!    |             help: remove this `mut`
Nov 04 22:01:57.867 INFO kablam! 
Nov 04 22:01:57.882 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Nov 04 22:01:57.885 INFO kablam! su: No module specific data is present
Nov 04 22:01:58.297 INFO running `"docker" "rm" "-f" "5e0e4f9db68ab12ae27dbe553a8fbc14c1adcc6245b5121ba3812dfa897b8474"`
Nov 04 22:01:58.402 INFO blam! 5e0e4f9db68ab12ae27dbe553a8fbc14c1adcc6245b5121ba3812dfa897b8474