[INFO] cloning repository https://github.com/matthewroberthenderson/midgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matthewroberthenderson/midgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewroberthenderson%2Fmidgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewroberthenderson%2Fmidgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ecee0a129e28d70af105fbbaae57dcef9898fba
[INFO] checking matthewroberthenderson/midgen against try#3248bace201b6227b0ff78eacc8b00d805551a86 for pr-153513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewroberthenderson%2Fmidgen" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matthewroberthenderson/midgen
[INFO] finished tweaking git repo https://github.com/matthewroberthenderson/midgen
[INFO] tweaked toml for git repo https://github.com/matthewroberthenderson/midgen written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matthewroberthenderson/midgen on toolchain 3248bace201b6227b0ff78eacc8b00d805551a86
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matthewroberthenderson/midgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking matthewroberthenderson/midgen against try#3248bace201b6227b0ff78eacc8b00d805551a86 for pr-153513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatthewroberthenderson%2Fmidgen" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matthewroberthenderson/midgen
[INFO] finished tweaking git repo https://github.com/matthewroberthenderson/midgen
[INFO] tweaked toml for git repo https://github.com/matthewroberthenderson/midgen written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matthewroberthenderson/midgen on toolchain 3248bace201b6227b0ff78eacc8b00d805551a86
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matthewroberthenderson/midgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midly v0.5.3
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d4307a141f6efa899e0dedd62522629c8534132c276f956a9e47bfc250d1fa9
[INFO] running `Command { std: "docker" "start" "-a" "5d4307a141f6efa899e0dedd62522629c8534132c276f956a9e47bfc250d1fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d4307a141f6efa899e0dedd62522629c8534132c276f956a9e47bfc250d1fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d4307a141f6efa899e0dedd62522629c8534132c276f956a9e47bfc250d1fa9", kill_on_drop: false }`
[INFO] [stdout] 5d4307a141f6efa899e0dedd62522629c8534132c276f956a9e47bfc250d1fa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3248bace201b6227b0ff78eacc8b00d805551a86" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fc67ad305a421700fd5b0d1c146229544aa7dc96074ac3d57dde9f20b8aaaf7
[INFO] running `Command { std: "docker" "start" "-a" "1fc67ad305a421700fd5b0d1c146229544aa7dc96074ac3d57dde9f20b8aaaf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]     Checking midgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "1fc67ad305a421700fd5b0d1c146229544aa7dc96074ac3d57dde9f20b8aaaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc67ad305a421700fd5b0d1c146229544aa7dc96074ac3d57dde9f20b8aaaf7", kill_on_drop: false }`
[INFO] [stdout] 1fc67ad305a421700fd5b0d1c146229544aa7dc96074ac3d57dde9f20b8aaaf7