Dec 05 12:08:41.048 INFO checking hmac-sha1-0.1.3 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:08:41.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 12:08:41.601 INFO [stdout] 3e2b159a6f62082db55186a4f3cb57944980e37750bf95facdf525bfeb30d29c
Dec 05 12:08:41.607 INFO running `"docker" "start" "-a" "3e2b159a6f62082db55186a4f3cb57944980e37750bf95facdf525bfeb30d29c"`
Dec 05 12:08:42.743 INFO [stderr] usermod: no changes
Dec 05 12:08:42.807 INFO [stderr]     Checking hmac-sha1 v0.1.3 (/source)
Dec 05 12:08:43.896 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:43.896 INFO [stderr]   --> src/lib.rs:15:9
Dec 05 12:08:43.896 INFO [stderr]    |
Dec 05 12:08:43.896 INFO [stderr] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Dec 05 12:08:43.896 INFO [stderr]    |         ----^^^^^^^^
Dec 05 12:08:43.896 INFO [stderr]    |         |
Dec 05 12:08:43.896 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:08:43.896 INFO [stderr]    |
Dec 05 12:08:43.896 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:08:43.896 INFO [stderr] 
Dec 05 12:08:44.223 INFO [stderr] warning: variable does not need to be mutable
Dec 05 12:08:44.223 INFO [stderr]   --> src/lib.rs:15:9
Dec 05 12:08:44.223 INFO [stderr]    |
Dec 05 12:08:44.223 INFO [stderr] 15 |     let mut auth_key: &mut [u8; SHA1_KEY_BYTES] = &mut [key_pad_byte; SHA1_KEY_BYTES];
Dec 05 12:08:44.223 INFO [stderr]    |         ----^^^^^^^^
Dec 05 12:08:44.223 INFO [stderr]    |         |
Dec 05 12:08:44.223 INFO [stderr]    |         help: remove this `mut`
Dec 05 12:08:44.223 INFO [stderr]    |
Dec 05 12:08:44.223 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 12:08:44.223 INFO [stderr] 
Dec 05 12:08:44.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 05 12:08:44.271 INFO [stderr] su: No module specific data is present
Dec 05 12:08:45.001 INFO running `"docker" "inspect" "3e2b159a6f62082db55186a4f3cb57944980e37750bf95facdf525bfeb30d29c"`
Dec 05 12:08:45.335 INFO running `"docker" "rm" "-f" "3e2b159a6f62082db55186a4f3cb57944980e37750bf95facdf525bfeb30d29c"`
Dec 05 12:08:45.622 INFO [stdout] 3e2b159a6f62082db55186a4f3cb57944980e37750bf95facdf525bfeb30d29c