[INFO] cloning repository https://github.com/sighol/beep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sighol/beep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fbeep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fbeep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5e4813a7820db303d245e34e9050bb47effd1cf
[INFO] checking sighol/beep against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsighol%2Fbeep" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sighol/beep on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sighol/beep
[INFO] finished tweaking git repo https://github.com/sighol/beep
[INFO] tweaked toml for git repo https://github.com/sighol/beep written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sighol/beep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2393457ecb864970ec94471f54d2795e9fc8ddebbf17d67a0de032ef4af703c
[INFO] running `Command { std: "docker" "start" "-a" "b2393457ecb864970ec94471f54d2795e9fc8ddebbf17d67a0de032ef4af703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2393457ecb864970ec94471f54d2795e9fc8ddebbf17d67a0de032ef4af703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2393457ecb864970ec94471f54d2795e9fc8ddebbf17d67a0de032ef4af703c", kill_on_drop: false }`
[INFO] [stdout] b2393457ecb864970ec94471f54d2795e9fc8ddebbf17d67a0de032ef4af703c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52f47b22123e9086a0e1fcd425f06f5f84c2147d551fbe24af2f3f023a7c49fc
[INFO] running `Command { std: "docker" "start" "-a" "52f47b22123e9086a0e1fcd425f06f5f84c2147d551fbe24af2f3f023a7c49fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking beep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `random`
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random(sink: &rodio::Sink) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random`
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn random(sink: &rodio::Sink) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.02s
[INFO] running `Command { std: "docker" "inspect" "52f47b22123e9086a0e1fcd425f06f5f84c2147d551fbe24af2f3f023a7c49fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f47b22123e9086a0e1fcd425f06f5f84c2147d551fbe24af2f3f023a7c49fc", kill_on_drop: false }`
[INFO] [stdout] 52f47b22123e9086a0e1fcd425f06f5f84c2147d551fbe24af2f3f023a7c49fc