[INFO] cloning repository https://github.com/tuzz/square-of-squares-parametric-formula
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/square-of-squares-parametric-formula" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsquare-of-squares-parametric-formula", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsquare-of-squares-parametric-formula'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 904c2787504e6a30787b28f8c31268d096d31735
[INFO] checking tuzz/square-of-squares-parametric-formula against master#69a5d2481e856a5a18885390b8cf6950b9ff8dd3 for pr-96376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsquare-of-squares-parametric-formula" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/square-of-squares-parametric-formula on toolchain 69a5d2481e856a5a18885390b8cf6950b9ff8dd3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/square-of-squares-parametric-formula
[INFO] finished tweaking git repo https://github.com/tuzz/square-of-squares-parametric-formula
[INFO] tweaked toml for git repo https://github.com/tuzz/square-of-squares-parametric-formula written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/square-of-squares-parametric-formula already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f2a8c17c5565e0aa1dc6bcab26434eb2f5b36ec9b20db8258cb5d872b6555b5
[INFO] running `Command { std: "docker" "start" "-a" "6f2a8c17c5565e0aa1dc6bcab26434eb2f5b36ec9b20db8258cb5d872b6555b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f2a8c17c5565e0aa1dc6bcab26434eb2f5b36ec9b20db8258cb5d872b6555b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2a8c17c5565e0aa1dc6bcab26434eb2f5b36ec9b20db8258cb5d872b6555b5", kill_on_drop: false }`
[INFO] [stdout] 6f2a8c17c5565e0aa1dc6bcab26434eb2f5b36ec9b20db8258cb5d872b6555b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+69a5d2481e856a5a18885390b8cf6950b9ff8dd3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89aa3501433fb5b4b03e0559d412b86eacbd44c443a1865a12b89a7e8ed64677
[INFO] running `Command { std: "docker" "start" "-a" "89aa3501433fb5b4b03e0559d412b86eacbd44c443a1865a12b89a7e8ed64677", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "89aa3501433fb5b4b03e0559d412b86eacbd44c443a1865a12b89a7e8ed64677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aa3501433fb5b4b03e0559d412b86eacbd44c443a1865a12b89a7e8ed64677", kill_on_drop: false }`
[INFO] [stdout] 89aa3501433fb5b4b03e0559d412b86eacbd44c443a1865a12b89a7e8ed64677