[INFO] cloning repository https://github.com/Stuv7CB/icfp2006-um
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Stuv7CB/icfp2006-um" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuv7CB%2Ficfp2006-um", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuv7CB%2Ficfp2006-um'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce6c5a675f7fbb83dd4abcbd9c5cff19a76a9b0d
[INFO] checking Stuv7CB/icfp2006-um against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStuv7CB%2Ficfp2006-um" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Stuv7CB/icfp2006-um on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Stuv7CB/icfp2006-um
[INFO] finished tweaking git repo https://github.com/Stuv7CB/icfp2006-um
[INFO] tweaked toml for git repo https://github.com/Stuv7CB/icfp2006-um written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Stuv7CB/icfp2006-um already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1e69f7e5187664b876224425d652c1b96144019b3c336e940f69e244123d721
[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" "d1e69f7e5187664b876224425d652c1b96144019b3c336e940f69e244123d721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1e69f7e5187664b876224425d652c1b96144019b3c336e940f69e244123d721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e69f7e5187664b876224425d652c1b96144019b3c336e940f69e244123d721", kill_on_drop: false }`
[INFO] [stdout] d1e69f7e5187664b876224425d652c1b96144019b3c336e940f69e244123d721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46f1914dc5e5392f63e47761a4b0e5b23f11e6fbbf218a35f6209e8ca8d0884d
[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" "46f1914dc5e5392f63e47761a4b0e5b23f11e6fbbf218a35f6209e8ca8d0884d", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "46f1914dc5e5392f63e47761a4b0e5b23f11e6fbbf218a35f6209e8ca8d0884d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f1914dc5e5392f63e47761a4b0e5b23f11e6fbbf218a35f6209e8ca8d0884d", kill_on_drop: false }`
[INFO] [stdout] 46f1914dc5e5392f63e47761a4b0e5b23f11e6fbbf218a35f6209e8ca8d0884d