[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f28c4c2c52e22c58c6d96fdf36b7124b5383801
[INFO] checking superhawk610/captain_hook against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperhawk610%2Fcaptain_hook" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/superhawk610/captain_hook on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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-4/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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 9f99c06efd48b588fed6427ee6f4074dcded35e4602ce50cf8b30dedf637d495
[INFO] running `Command { std: "docker" "start" "-a" "9f99c06efd48b588fed6427ee6f4074dcded35e4602ce50cf8b30dedf637d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f99c06efd48b588fed6427ee6f4074dcded35e4602ce50cf8b30dedf637d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f99c06efd48b588fed6427ee6f4074dcded35e4602ce50cf8b30dedf637d495", kill_on_drop: false }`
[INFO] [stdout] 9f99c06efd48b588fed6427ee6f4074dcded35e4602ce50cf8b30dedf637d495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf8bd9470611a9ce7629ffcf2992a3942337f703f4ceb0f1b512513c3dec5f9
[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" "edf8bd9470611a9ce7629ffcf2992a3942337f703f4ceb0f1b512513c3dec5f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking ws v0.8.0
[INFO] [stderr]    Compiling serde_derive 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 41.35s
[INFO] running `Command { std: "docker" "inspect" "edf8bd9470611a9ce7629ffcf2992a3942337f703f4ceb0f1b512513c3dec5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf8bd9470611a9ce7629ffcf2992a3942337f703f4ceb0f1b512513c3dec5f9", kill_on_drop: false }`
[INFO] [stdout] edf8bd9470611a9ce7629ffcf2992a3942337f703f4ceb0f1b512513c3dec5f9