Oct 13 13:48:08.590 INFO checking hmac-sha1-0.1.3 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 13:48:08.590 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 13:48:08.985 INFO blam! dae086299c8bb042124ee46b1204be1b8585b92d264937eae72b2e21e3ede2a7
Oct 13 13:48:08.987 INFO running `"docker" "start" "-a" "dae086299c8bb042124ee46b1204be1b8585b92d264937eae72b2e21e3ede2a7"`
Oct 13 13:48:09.928 INFO kablam! usermod: no changes
Oct 13 13:48:09.972 INFO kablam!     Checking hmac-sha1 v0.1.3 (/source)
Oct 13 13:48:10.863 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:48:10.864 INFO kablam!   --> src/lib.rs:15:9
Oct 13 13:48:10.864 INFO kablam!    |
Oct 13 13:48:10.864 INFO kablam! 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Oct 13 13:48:10.865 INFO kablam!    |         ----^^^^^^^^
Oct 13 13:48:10.865 INFO kablam!    |         |
Oct 13 13:48:10.865 INFO kablam!    |         help: remove this `mut`
Oct 13 13:48:10.865 INFO kablam!    |
Oct 13 13:48:10.866 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 13:48:10.866 INFO kablam! 
Oct 13 13:48:10.924 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:48:10.924 INFO kablam!   --> src/lib.rs:15:9
Oct 13 13:48:10.924 INFO kablam!    |
Oct 13 13:48:10.924 INFO kablam! 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Oct 13 13:48:10.924 INFO kablam!    |         ----^^^^^^^^
Oct 13 13:48:10.924 INFO kablam!    |         |
Oct 13 13:48:10.924 INFO kablam!    |         help: remove this `mut`
Oct 13 13:48:10.924 INFO kablam!    |
Oct 13 13:48:10.924 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 13:48:10.924 INFO kablam! 
Oct 13 13:48:10.980 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Oct 13 13:48:10.992 INFO kablam! su: No module specific data is present
Oct 13 13:48:11.564 INFO running `"docker" "rm" "-f" "dae086299c8bb042124ee46b1204be1b8585b92d264937eae72b2e21e3ede2a7"`
Oct 13 13:48:11.878 INFO blam! dae086299c8bb042124ee46b1204be1b8585b92d264937eae72b2e21e3ede2a7