[INFO] cloning repository https://github.com/decagondev/rust_stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/decagondev/rust_stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecagondev%2Frust_stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecagondev%2Frust_stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24bb7c22cc9696a044329cbec3c1632dfd71d78b
[INFO] checking decagondev/rust_stuff against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdecagondev%2Frust_stuff" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/decagondev/rust_stuff on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/decagondev/rust_stuff
[INFO] finished tweaking git repo https://github.com/decagondev/rust_stuff
[INFO] tweaked toml for git repo https://github.com/decagondev/rust_stuff written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/decagondev/rust_stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "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] 6834c97b049360e81e73c01645c288ac41ed47fa29ce14ffc68c639352db4fd3
[INFO] running `Command { std: "docker" "start" "-a" "6834c97b049360e81e73c01645c288ac41ed47fa29ce14ffc68c639352db4fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6834c97b049360e81e73c01645c288ac41ed47fa29ce14ffc68c639352db4fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6834c97b049360e81e73c01645c288ac41ed47fa29ce14ffc68c639352db4fd3", kill_on_drop: false }`
[INFO] [stdout] 6834c97b049360e81e73c01645c288ac41ed47fa29ce14ffc68c639352db4fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4e60b1fc0a865256a0fb26f57b3595c113c986ac6e5e5ea30d90e0b50c690c
[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" "ee4e60b1fc0a865256a0fb26f57b3595c113c986ac6e5e5ea30d90e0b50c690c", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "ee4e60b1fc0a865256a0fb26f57b3595c113c986ac6e5e5ea30d90e0b50c690c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4e60b1fc0a865256a0fb26f57b3595c113c986ac6e5e5ea30d90e0b50c690c", kill_on_drop: false }`
[INFO] [stdout] ee4e60b1fc0a865256a0fb26f57b3595c113c986ac6e5e5ea30d90e0b50c690c