[INFO] cloning repository https://github.com/PhilboBaggins/is-an-enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilboBaggins/is-an-enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fis-an-enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fis-an-enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 982559a84d8ff3ea857e96d5db5ea3862207fab9
[INFO] checking PhilboBaggins/is-an-enum against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilboBaggins%2Fis-an-enum" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilboBaggins/is-an-enum on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhilboBaggins/is-an-enum
[INFO] finished tweaking git repo https://github.com/PhilboBaggins/is-an-enum
[INFO] tweaked toml for git repo https://github.com/PhilboBaggins/is-an-enum written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilboBaggins/is-an-enum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cargo-husky v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 07b8dd9b69f0c4a97a75330f200127041b6e5185f42d0c7bcfebc0014dc6d53b
[INFO] running `Command { std: "docker" "start" "-a" "07b8dd9b69f0c4a97a75330f200127041b6e5185f42d0c7bcfebc0014dc6d53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b8dd9b69f0c4a97a75330f200127041b6e5185f42d0c7bcfebc0014dc6d53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b8dd9b69f0c4a97a75330f200127041b6e5185f42d0c7bcfebc0014dc6d53b", kill_on_drop: false }`
[INFO] [stdout] 07b8dd9b69f0c4a97a75330f200127041b6e5185f42d0c7bcfebc0014dc6d53b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0ec6d9aa6eafe4c5740c91f5e3b6ef5f76f2373e74773e0f23afe80071315170
[INFO] running `Command { std: "docker" "start" "-a" "0ec6d9aa6eafe4c5740c91f5e3b6ef5f76f2373e74773e0f23afe80071315170", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking is-an-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.67s
[INFO] running `Command { std: "docker" "inspect" "0ec6d9aa6eafe4c5740c91f5e3b6ef5f76f2373e74773e0f23afe80071315170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec6d9aa6eafe4c5740c91f5e3b6ef5f76f2373e74773e0f23afe80071315170", kill_on_drop: false }`
[INFO] [stdout] 0ec6d9aa6eafe4c5740c91f5e3b6ef5f76f2373e74773e0f23afe80071315170