[INFO] cloning repository https://github.com/fifth-postulate/packing-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fifth-postulate/packing-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fpacking-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fpacking-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 162dbd13ef4fcbdddaab80722b32a8e41729054e
[INFO] checking fifth-postulate/packing-puzzle against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fpacking-puzzle" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fifth-postulate/packing-puzzle on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fifth-postulate/packing-puzzle
[INFO] finished tweaking git repo https://github.com/fifth-postulate/packing-puzzle
[INFO] tweaked toml for git repo https://github.com/fifth-postulate/packing-puzzle written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fifth-postulate/packing-puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 504c79b63f831f54d24fe66dbae7d4f4ec10aa4c8ddba6d5e6cd457887a542f0
[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" "504c79b63f831f54d24fe66dbae7d4f4ec10aa4c8ddba6d5e6cd457887a542f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "504c79b63f831f54d24fe66dbae7d4f4ec10aa4c8ddba6d5e6cd457887a542f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "504c79b63f831f54d24fe66dbae7d4f4ec10aa4c8ddba6d5e6cd457887a542f0", kill_on_drop: false }`
[INFO] [stdout] 504c79b63f831f54d24fe66dbae7d4f4ec10aa4c8ddba6d5e6cd457887a542f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa2f6a0ccf5f2fb0e238a6cd29898f31e6c427a220362c73b8cbb15c62768508
[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" "aa2f6a0ccf5f2fb0e238a6cd29898f31e6c427a220362c73b8cbb15c62768508", kill_on_drop: false }`
[INFO] [stderr]     Checking dlx v0.1.0
[INFO] [stderr]     Checking pack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "aa2f6a0ccf5f2fb0e238a6cd29898f31e6c427a220362c73b8cbb15c62768508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa2f6a0ccf5f2fb0e238a6cd29898f31e6c427a220362c73b8cbb15c62768508", kill_on_drop: false }`
[INFO] [stdout] aa2f6a0ccf5f2fb0e238a6cd29898f31e6c427a220362c73b8cbb15c62768508