[INFO] cloning repository https://github.com/iquiw/mp3chomp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iquiw/mp3chomp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fmp3chomp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fmp3chomp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a57c59f88cafa9302ca89a510bd4383a9686531
[INFO] checking iquiw/mp3chomp against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiquiw%2Fmp3chomp" "/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/iquiw/mp3chomp on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iquiw/mp3chomp
[INFO] finished tweaking git repo https://github.com/iquiw/mp3chomp
[INFO] tweaked toml for git repo https://github.com/iquiw/mp3chomp written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/iquiw/mp3chomp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 699360079cc691708c75a22e4f429c42a65b665d4b3a20fbceba4e70d002a5ee
[INFO] running `Command { std: "docker" "start" "-a" "699360079cc691708c75a22e4f429c42a65b665d4b3a20fbceba4e70d002a5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "699360079cc691708c75a22e4f429c42a65b665d4b3a20fbceba4e70d002a5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699360079cc691708c75a22e4f429c42a65b665d4b3a20fbceba4e70d002a5ee", kill_on_drop: false }`
[INFO] [stdout] 699360079cc691708c75a22e4f429c42a65b665d4b3a20fbceba4e70d002a5ee
[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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 5ce4ff82a06c433bc3b23b5bc273221a67132dcfce2ca73e5b1fdec084d7142d
[INFO] running `Command { std: "docker" "start" "-a" "5ce4ff82a06c433bc3b23b5bc273221a67132dcfce2ca73e5b1fdec084d7142d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling rmp3 v0.2.1
[INFO] [stderr]     Checking mp3chomp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "5ce4ff82a06c433bc3b23b5bc273221a67132dcfce2ca73e5b1fdec084d7142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ce4ff82a06c433bc3b23b5bc273221a67132dcfce2ca73e5b1fdec084d7142d", kill_on_drop: false }`
[INFO] [stdout] 5ce4ff82a06c433bc3b23b5bc273221a67132dcfce2ca73e5b1fdec084d7142d