Oct 13 12:23:29.140 INFO checking lru2-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:23:29.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 12:23:29.436 INFO blam! 935e73a4d4517be82201973d4aa623f98247f2e86366dba2a2f46ee38dd85d4e
Oct 13 12:23:29.437 INFO running `"docker" "start" "-a" "935e73a4d4517be82201973d4aa623f98247f2e86366dba2a2f46ee38dd85d4e"`
Oct 13 12:23:29.868 INFO kablam! usermod: no changes
Oct 13 12:23:29.905 INFO kablam!     Checking lru2 v0.1.0 (/source)
Oct 13 12:23:30.622 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:23:30.623 INFO kablam!   --> src/cache/mod.rs:57:13
Oct 13 12:23:30.623 INFO kablam!    |
Oct 13 12:23:30.623 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Oct 13 12:23:30.623 INFO kablam!    |             ----^^^^^
Oct 13 12:23:30.624 INFO kablam!    |             |
Oct 13 12:23:30.624 INFO kablam!    |             help: remove this `mut`
Oct 13 12:23:30.624 INFO kablam!    |
Oct 13 12:23:30.624 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 12:23:30.625 INFO kablam! 
Oct 13 12:23:30.940 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:23:30.940 INFO kablam!   --> src/cache/mod.rs:57:13
Oct 13 12:23:30.940 INFO kablam!    |
Oct 13 12:23:30.940 INFO kablam! 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Oct 13 12:23:30.940 INFO kablam!    |             ----^^^^^
Oct 13 12:23:30.940 INFO kablam!    |             |
Oct 13 12:23:30.940 INFO kablam!    |             help: remove this `mut`
Oct 13 12:23:30.940 INFO kablam!    |
Oct 13 12:23:30.940 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 12:23:30.940 INFO kablam! 
Oct 13 12:23:30.997 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Oct 13 12:23:30.998 INFO kablam! su: No module specific data is present
Oct 13 12:23:31.368 INFO running `"docker" "rm" "-f" "935e73a4d4517be82201973d4aa623f98247f2e86366dba2a2f46ee38dd85d4e"`
Oct 13 12:23:31.476 INFO blam! 935e73a4d4517be82201973d4aa623f98247f2e86366dba2a2f46ee38dd85d4e