[INFO] cloning repository https://github.com/maclover7/conveyer_belt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maclover7/conveyer_belt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaclover7%2Fconveyer_belt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaclover7%2Fconveyer_belt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d447366d8ef8a81633629e6ef78b6a6eec57cfed
[INFO] checking maclover7/conveyer_belt against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaclover7%2Fconveyer_belt" "/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/maclover7/conveyer_belt on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maclover7/conveyer_belt
[INFO] finished tweaking git repo https://github.com/maclover7/conveyer_belt
[INFO] tweaked toml for git repo https://github.com/maclover7/conveyer_belt written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/maclover7/conveyer_belt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 5d8f816bcf348749399d77dceb59612510dbd8e2ff616c029ce9cf8a348e26a6
[INFO] running `Command { std: "docker" "start" "-a" "5d8f816bcf348749399d77dceb59612510dbd8e2ff616c029ce9cf8a348e26a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d8f816bcf348749399d77dceb59612510dbd8e2ff616c029ce9cf8a348e26a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8f816bcf348749399d77dceb59612510dbd8e2ff616c029ce9cf8a348e26a6", kill_on_drop: false }`
[INFO] [stdout] 5d8f816bcf348749399d77dceb59612510dbd8e2ff616c029ce9cf8a348e26a6
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66ba2270915a4b876a763fa636a4ff10b0482e00e95ab2ad827b88ed8e4e41e
[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" "e66ba2270915a4b876a763fa636a4ff10b0482e00e95ab2ad827b88ed8e4e41e", kill_on_drop: false }`
[INFO] [stderr]     Checking conveyer_belt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e66ba2270915a4b876a763fa636a4ff10b0482e00e95ab2ad827b88ed8e4e41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66ba2270915a4b876a763fa636a4ff10b0482e00e95ab2ad827b88ed8e4e41e", kill_on_drop: false }`
[INFO] [stdout] e66ba2270915a4b876a763fa636a4ff10b0482e00e95ab2ad827b88ed8e4e41e