[INFO] cloning repository https://github.com/castrogarciajs/math-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/castrogarciajs/math-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcastrogarciajs%2Fmath-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcastrogarciajs%2Fmath-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41e1fe56741bb907188517d53ec26f2bc49c8b78
[INFO] checking castrogarciajs/math-rs against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcastrogarciajs%2Fmath-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/castrogarciajs/math-rs
[INFO] finished tweaking git repo https://github.com/castrogarciajs/math-rs
[INFO] tweaked toml for git repo https://github.com/castrogarciajs/math-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/castrogarciajs/math-rs on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/castrogarciajs/math-rs 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking castrogarciajs/math-rs against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcastrogarciajs%2Fmath-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/castrogarciajs/math-rs
[INFO] finished tweaking git repo https://github.com/castrogarciajs/math-rs
[INFO] tweaked toml for git repo https://github.com/castrogarciajs/math-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/castrogarciajs/math-rs on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/castrogarciajs/math-rs 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd645eb0655812d099db76f63e98f0def98cd6ef4c2ca5bed702a00fb0a6594
[INFO] running `Command { std: "docker" "start" "-a" "1bd645eb0655812d099db76f63e98f0def98cd6ef4c2ca5bed702a00fb0a6594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd645eb0655812d099db76f63e98f0def98cd6ef4c2ca5bed702a00fb0a6594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd645eb0655812d099db76f63e98f0def98cd6ef4c2ca5bed702a00fb0a6594", kill_on_drop: false }`
[INFO] [stdout] 1bd645eb0655812d099db76f63e98f0def98cd6ef4c2ca5bed702a00fb0a6594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0536f9f46ad3d11f1caedf67169cafe8d870e504b183c51f6d87cfb53f58c03f
[INFO] running `Command { std: "docker" "start" "-a" "0536f9f46ad3d11f1caedf67169cafe8d870e504b183c51f6d87cfb53f58c03f", kill_on_drop: false }`
[INFO] [stderr]     Checking math-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "0536f9f46ad3d11f1caedf67169cafe8d870e504b183c51f6d87cfb53f58c03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0536f9f46ad3d11f1caedf67169cafe8d870e504b183c51f6d87cfb53f58c03f", kill_on_drop: false }`
[INFO] [stdout] 0536f9f46ad3d11f1caedf67169cafe8d870e504b183c51f6d87cfb53f58c03f