[INFO] cloning repository https://github.com/superhawk610/captain_hook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superhawk610/captain_hook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhawk610%2Fcaptain_hook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhawk610%2Fcaptain_hook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f28c4c2c52e22c58c6d96fdf36b7124b5383801
[INFO] checking superhawk610/captain_hook against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhawk610%2Fcaptain_hook" "/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/superhawk610/captain_hook 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/superhawk610/captain_hook
[INFO] finished tweaking git repo https://github.com/superhawk610/captain_hook
[INFO] tweaked toml for git repo https://github.com/superhawk610/captain_hook written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/superhawk610/captain_hook 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 89c6599dd85ebbe23c4bade97df6698cd0611b67ce085e39bc1cbdf0309c0dd1
[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" "89c6599dd85ebbe23c4bade97df6698cd0611b67ce085e39bc1cbdf0309c0dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c6599dd85ebbe23c4bade97df6698cd0611b67ce085e39bc1cbdf0309c0dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c6599dd85ebbe23c4bade97df6698cd0611b67ce085e39bc1cbdf0309c0dd1", kill_on_drop: false }`
[INFO] [stdout] 89c6599dd85ebbe23c4bade97df6698cd0611b67ce085e39bc1cbdf0309c0dd1
[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] e6496ba46e0cc15c39478ccec13fc008d0c0f1827ecdac489a6b87a66b667273
[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" "e6496ba46e0cc15c39478ccec13fc008d0c0f1827ecdac489a6b87a66b667273", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking captain_hook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.54s
[INFO] running `Command { std: "docker" "inspect" "e6496ba46e0cc15c39478ccec13fc008d0c0f1827ecdac489a6b87a66b667273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6496ba46e0cc15c39478ccec13fc008d0c0f1827ecdac489a6b87a66b667273", kill_on_drop: false }`
[INFO] [stdout] e6496ba46e0cc15c39478ccec13fc008d0c0f1827ecdac489a6b87a66b667273