Dec 19 05:21:25.466 INFO checking xTibor/triduty-wave against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:21:25.466 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/xTibor/triduty-wave:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:21:25.952 INFO [stdout] 4308f1db1ecb312cdf22c85912641592015823340aa601d66dd59f1306d4125f
Dec 19 05:21:25.958 INFO running `"docker" "start" "-a" "4308f1db1ecb312cdf22c85912641592015823340aa601d66dd59f1306d4125f"`
Dec 19 05:21:27.436 INFO [stderr]    Compiling libc v0.2.44
Dec 19 05:21:27.436 INFO [stderr]     Checking lazy_static v1.2.0
Dec 19 05:21:27.436 INFO [stderr]    Compiling alsa-sys v0.1.2
Dec 19 05:21:27.444 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 19 05:21:27.452 INFO [stderr]    Compiling minifb v0.11.1
Dec 19 05:21:30.828 INFO [stderr]     Checking time v0.1.40
Dec 19 05:21:32.041 INFO [stderr]     Checking cpal v0.8.2
Dec 19 05:21:36.178 INFO [stderr]     Checking triduty-wave v0.1.0 (/opt/crater/workdir)
Dec 19 05:21:36.400 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.400 INFO [stderr]   --> src/main.rs:27:9
Dec 19 05:21:36.400 INFO [stderr]    |
Dec 19 05:21:36.400 INFO [stderr] 27 |     let mut tri = Arc::new(Mutex::new(0.5));
Dec 19 05:21:36.400 INFO [stderr]    |         ----^^^
Dec 19 05:21:36.400 INFO [stderr]    |         |
Dec 19 05:21:36.400 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.400 INFO [stderr]    |
Dec 19 05:21:36.400 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:21:36.400 INFO [stderr] 
Dec 19 05:21:36.400 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.400 INFO [stderr]   --> src/main.rs:28:9
Dec 19 05:21:36.400 INFO [stderr]    |
Dec 19 05:21:36.400 INFO [stderr] 28 |     let mut duty = Arc::new(Mutex::new(0.5));
Dec 19 05:21:36.400 INFO [stderr]    |         ----^^^^
Dec 19 05:21:36.400 INFO [stderr]    |         |
Dec 19 05:21:36.400 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.400 INFO [stderr] 
Dec 19 05:21:36.401 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.401 INFO [stderr]   --> src/main.rs:30:9
Dec 19 05:21:36.401 INFO [stderr]    |
Dec 19 05:21:36.401 INFO [stderr] 30 |     let mut pitch = Arc::new(Mutex::new(440.0));
Dec 19 05:21:36.401 INFO [stderr]    |         ----^^^^^
Dec 19 05:21:36.401 INFO [stderr]    |         |
Dec 19 05:21:36.401 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.401 INFO [stderr] 
Dec 19 05:21:36.430 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.430 INFO [stderr]   --> src/main.rs:27:9
Dec 19 05:21:36.430 INFO [stderr]    |
Dec 19 05:21:36.430 INFO [stderr] 27 |     let mut tri = Arc::new(Mutex::new(0.5));
Dec 19 05:21:36.430 INFO [stderr]    |         ----^^^
Dec 19 05:21:36.430 INFO [stderr]    |         |
Dec 19 05:21:36.430 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.430 INFO [stderr]    |
Dec 19 05:21:36.430 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:21:36.430 INFO [stderr] 
Dec 19 05:21:36.430 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.430 INFO [stderr]   --> src/main.rs:28:9
Dec 19 05:21:36.430 INFO [stderr]    |
Dec 19 05:21:36.430 INFO [stderr] 28 |     let mut duty = Arc::new(Mutex::new(0.5));
Dec 19 05:21:36.430 INFO [stderr]    |         ----^^^^
Dec 19 05:21:36.430 INFO [stderr]    |         |
Dec 19 05:21:36.430 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.430 INFO [stderr] 
Dec 19 05:21:36.430 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:21:36.430 INFO [stderr]   --> src/main.rs:30:9
Dec 19 05:21:36.430 INFO [stderr]    |
Dec 19 05:21:36.431 INFO [stderr] 30 |     let mut pitch = Arc::new(Mutex::new(440.0));
Dec 19 05:21:36.431 INFO [stderr]    |         ----^^^^^
Dec 19 05:21:36.431 INFO [stderr]    |         |
Dec 19 05:21:36.431 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:21:36.431 INFO [stderr] 
Dec 19 05:21:36.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.20s
Dec 19 05:21:37.143 INFO running `"docker" "inspect" "4308f1db1ecb312cdf22c85912641592015823340aa601d66dd59f1306d4125f"`
Dec 19 05:21:37.444 INFO running `"docker" "rm" "-f" "4308f1db1ecb312cdf22c85912641592015823340aa601d66dd59f1306d4125f"`
Dec 19 05:21:37.804 INFO [stdout] 4308f1db1ecb312cdf22c85912641592015823340aa601d66dd59f1306d4125f