Dec 05 12:08:40.295 INFO checking hmac-sha1-0.1.3 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 12:08:40.295 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 12:08:41.046 INFO [stdout] 106d64ac18e2c4baae9e096e78fff37ee009d16c2cf21b3809a9c41d12b69818
Dec 05 12:08:41.047 INFO running `"docker" "start" "-a" "106d64ac18e2c4baae9e096e78fff37ee009d16c2cf21b3809a9c41d12b69818"`
Dec 05 12:08:42.074 INFO [stderr] usermod: no changes
Dec 05 12:08:42.137 INFO [stderr]     Checking hmac-sha1 v0.1.3 (/source)
Dec 05 12:08:42.803 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:42.803 INFO [stderr]   --> src/lib.rs:15:9
Dec 05 12:08:42.803 INFO [stderr]    |
Dec 05 12:08:42.803 INFO [stderr] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Dec 05 12:08:42.803 INFO [stderr]    |         ----^^^^^^^^
Dec 05 12:08:42.803 INFO [stderr]    |         |
Dec 05 12:08:42.803 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:08:42.803 INFO [stderr]    |
Dec 05 12:08:42.803 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:08:42.803 INFO [stderr] 
Dec 05 12:08:43.611 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:43.611 INFO [stderr]   --> src/lib.rs:15:9
Dec 05 12:08:43.611 INFO [stderr]    |
Dec 05 12:08:43.611 INFO [stderr] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Dec 05 12:08:43.611 INFO [stderr]    |         ----^^^^^^^^
Dec 05 12:08:43.611 INFO [stderr]    |         |
Dec 05 12:08:43.611 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:08:43.611 INFO [stderr]    |
Dec 05 12:08:43.611 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:08:43.611 INFO [stderr] 
Dec 05 12:08:43.679 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
Dec 05 12:08:43.681 INFO [stderr] su: No module specific data is present
Dec 05 12:08:44.647 INFO running `"docker" "inspect" "106d64ac18e2c4baae9e096e78fff37ee009d16c2cf21b3809a9c41d12b69818"`
Dec 05 12:08:44.915 INFO running `"docker" "rm" "-f" "106d64ac18e2c4baae9e096e78fff37ee009d16c2cf21b3809a9c41d12b69818"`
Dec 05 12:08:45.215 INFO [stdout] 106d64ac18e2c4baae9e096e78fff37ee009d16c2cf21b3809a9c41d12b69818