[INFO] cloning repository https://github.com/pattyjogal/patty_piano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pattyjogal/patty_piano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fpatty_piano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fpatty_piano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4718508966283b3b0d9e3119d83bc7e6ec9d5d8
[INFO] checking pattyjogal/patty_piano against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fpatty_piano" "/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/pattyjogal/patty_piano on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pattyjogal/patty_piano
[INFO] finished tweaking git repo https://github.com/pattyjogal/patty_piano
[INFO] tweaked toml for git repo https://github.com/pattyjogal/patty_piano written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pattyjogal/patty_piano already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 4783888fa3c78fd1ebf6e5ada0e125efa1af88cf78dd80dd5fb2a56e97c40e41
[INFO] running `Command { std: "docker" "start" "-a" "4783888fa3c78fd1ebf6e5ada0e125efa1af88cf78dd80dd5fb2a56e97c40e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4783888fa3c78fd1ebf6e5ada0e125efa1af88cf78dd80dd5fb2a56e97c40e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4783888fa3c78fd1ebf6e5ada0e125efa1af88cf78dd80dd5fb2a56e97c40e41", kill_on_drop: false }`
[INFO] [stdout] 4783888fa3c78fd1ebf6e5ada0e125efa1af88cf78dd80dd5fb2a56e97c40e41
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d172c449862bede1cfec5b52c2305b5c280f05e63dd040f3f659e6cd8ef557
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5d172c449862bede1cfec5b52c2305b5c280f05e63dd040f3f659e6cd8ef557", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking claxon v0.3.1
[INFO] [stderr]     Checking hound v1.1.0
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking ogg v0.4.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking lewton v0.5.2
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking cpal v0.4.5
[INFO] [stderr]     Checking rodio v0.5.1
[INFO] [stderr]     Checking patty_piano v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rodio::Source`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rodio::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rodio::Source`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rodio::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 10.42s
[INFO] running `Command { std: "docker" "inspect" "c5d172c449862bede1cfec5b52c2305b5c280f05e63dd040f3f659e6cd8ef557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d172c449862bede1cfec5b52c2305b5c280f05e63dd040f3f659e6cd8ef557", kill_on_drop: false }`
[INFO] [stdout] c5d172c449862bede1cfec5b52c2305b5c280f05e63dd040f3f659e6cd8ef557