[INFO] updating cached repository xTibor/triduty-wave
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xTibor/triduty-wave
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xTibor/triduty-wave" "work/ex/beta-1.38-1/sources/1.37.0/gh/xTibor/triduty-wave"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xTibor/triduty-wave'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xTibor/triduty-wave" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xTibor/triduty-wave"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xTibor/triduty-wave'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f44fdd4264a93b6dc3c3471d75518d6f4450f6b
[INFO] sha for GitHub repo xTibor/triduty-wave: 3f44fdd4264a93b6dc3c3471d75518d6f4450f6b
[INFO] validating manifest of xTibor/triduty-wave on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xTibor/triduty-wave on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xTibor/triduty-wave
[INFO] finished frobbing xTibor/triduty-wave
[INFO] frobbed toml for xTibor/triduty-wave written to work/ex/beta-1.38-1/sources/1.37.0/gh/xTibor/triduty-wave/Cargo.toml
[INFO] started frobbing xTibor/triduty-wave
[INFO] finished frobbing xTibor/triduty-wave
[INFO] frobbed toml for xTibor/triduty-wave written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xTibor/triduty-wave/Cargo.toml
[INFO] crate xTibor/triduty-wave already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xTibor/triduty-wave against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e362fdea0379a25b33b08a2b59a70d243031815af4872471ffdfe4d565a708f4
[INFO] running `"docker" "start" "-a" "e362fdea0379a25b33b08a2b59a70d243031815af4872471ffdfe4d565a708f4"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minifb v0.11.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling triduty-wave v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut tri = Arc::new(Mutex::new(0.5));
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut duty = Arc::new(Mutex::new(0.5));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut pitch = Arc::new(Mutex::new(440.0));
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.73s
[INFO] running `"docker" "inspect" "e362fdea0379a25b33b08a2b59a70d243031815af4872471ffdfe4d565a708f4"`
[INFO] running `"docker" "rm" "-f" "e362fdea0379a25b33b08a2b59a70d243031815af4872471ffdfe4d565a708f4"`
[INFO] [stdout] e362fdea0379a25b33b08a2b59a70d243031815af4872471ffdfe4d565a708f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 24d94ae4901d4552c26e9569195999408a92a19850e94c9e7cd028fdd5c3c6a8
[INFO] running `"docker" "start" "-a" "24d94ae4901d4552c26e9569195999408a92a19850e94c9e7cd028fdd5c3c6a8"`
[INFO] [stderr]    Compiling triduty-wave v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut tri = Arc::new(Mutex::new(0.5));
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut duty = Arc::new(Mutex::new(0.5));
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut pitch = Arc::new(Mutex::new(440.0));
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "24d94ae4901d4552c26e9569195999408a92a19850e94c9e7cd028fdd5c3c6a8"`
[INFO] running `"docker" "rm" "-f" "24d94ae4901d4552c26e9569195999408a92a19850e94c9e7cd028fdd5c3c6a8"`
[INFO] [stdout] 24d94ae4901d4552c26e9569195999408a92a19850e94c9e7cd028fdd5c3c6a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d383f9ebc88806b62c1c01dfbd44d81c1b0194625de74d6ea6d68f7baa263f21
[INFO] running `"docker" "start" "-a" "d383f9ebc88806b62c1c01dfbd44d81c1b0194625de74d6ea6d68f7baa263f21"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/triduty_wave-b862256e0e95ce71
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d383f9ebc88806b62c1c01dfbd44d81c1b0194625de74d6ea6d68f7baa263f21"`
[INFO] running `"docker" "rm" "-f" "d383f9ebc88806b62c1c01dfbd44d81c1b0194625de74d6ea6d68f7baa263f21"`
[INFO] [stdout] d383f9ebc88806b62c1c01dfbd44d81c1b0194625de74d6ea6d68f7baa263f21