[INFO] cloning repository https://github.com/ssomers/flacbits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssomers/flacbits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssomers%2Fflacbits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssomers%2Fflacbits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6413d03189930e8f01ba964b80cf2b0ce68fd25f
[INFO] checking ssomers/flacbits against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssomers%2Fflacbits" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ssomers/flacbits on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ssomers/flacbits
[INFO] finished tweaking git repo https://github.com/ssomers/flacbits
[INFO] tweaked toml for git repo https://github.com/ssomers/flacbits written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ssomers/flacbits already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symphonia-format-wav v0.5.2
[INFO] [stderr]   Downloaded symphonia-core v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.2
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.2
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.2
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded getrandom v0.2.9
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.2
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.2
[INFO] [stderr]   Downloaded symphonia v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd102feed300dfbfc0a7107db4440c11303825b12f89edf63ef03cff6c072219
[INFO] running `Command { std: "docker" "start" "-a" "fd102feed300dfbfc0a7107db4440c11303825b12f89edf63ef03cff6c072219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd102feed300dfbfc0a7107db4440c11303825b12f89edf63ef03cff6c072219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd102feed300dfbfc0a7107db4440c11303825b12f89edf63ef03cff6c072219", kill_on_drop: false }`
[INFO] [stdout] fd102feed300dfbfc0a7107db4440c11303825b12f89edf63ef03cff6c072219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c031fa1174aaf202b71396fb9d4807e238f6249506761ff0b39cb45a563eaa
[INFO] running `Command { std: "docker" "start" "-a" "f6c031fa1174aaf202b71396fb9d4807e238f6249506761ff0b39cb45a563eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking hound v3.5.0
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking symphonia-metadata v0.5.2
[INFO] [stderr]     Checking symphonia-codec-adpcm v0.5.2
[INFO] [stderr]     Checking symphonia-codec-pcm v0.5.2
[INFO] [stderr]     Checking symphonia-utils-xiph v0.5.2
[INFO] [stderr]     Checking symphonia-format-wav v0.5.2
[INFO] [stderr]     Checking symphonia-codec-vorbis v0.5.2
[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.2
[INFO] [stderr]     Checking symphonia-format-ogg v0.5.2
[INFO] [stderr]     Checking symphonia-format-mkv v0.5.2
[INFO] [stderr]     Checking symphonia v0.5.2
[INFO] [stderr]     Checking audiobits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MockerMin` is never constructed
[INFO] [stdout]   --> src/noisy.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     struct MockerMin;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MockerMax` is never constructed
[INFO] [stdout]   --> src/noisy.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     struct MockerMax;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "f6c031fa1174aaf202b71396fb9d4807e238f6249506761ff0b39cb45a563eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c031fa1174aaf202b71396fb9d4807e238f6249506761ff0b39cb45a563eaa", kill_on_drop: false }`
[INFO] [stdout] f6c031fa1174aaf202b71396fb9d4807e238f6249506761ff0b39cb45a563eaa