[INFO] cloning repository https://github.com/RainbowZephyr/Matrix-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RainbowZephyr/Matrix-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowZephyr%2FMatrix-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowZephyr%2FMatrix-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79fd5e658042e9e747ecebe989e5011835466f83
[INFO] checking RainbowZephyr/Matrix-Solver against master#1c7b36d4db582cb47513a6c7176baaec1c3346ab for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowZephyr%2FMatrix-Solver" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RainbowZephyr/Matrix-Solver on toolchain 1c7b36d4db582cb47513a6c7176baaec1c3346ab
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RainbowZephyr/Matrix-Solver
[INFO] finished tweaking git repo https://github.com/RainbowZephyr/Matrix-Solver
[INFO] tweaked toml for git repo https://github.com/RainbowZephyr/Matrix-Solver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/RainbowZephyr/Matrix-Solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.22.0
[INFO] [stderr]   Downloaded simba v0.2.0
[INFO] [stderr]   Downloaded nalgebra-glm v0.8.0
[INFO] [stderr]   Downloaded cpuprofiler v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d628aa1414d50ea331536c3161bbf6c4ab6bd7381bdc61505481599c7dccd7be
[INFO] running `Command { std: "docker" "start" "-a" "d628aa1414d50ea331536c3161bbf6c4ab6bd7381bdc61505481599c7dccd7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d628aa1414d50ea331536c3161bbf6c4ab6bd7381bdc61505481599c7dccd7be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d628aa1414d50ea331536c3161bbf6c4ab6bd7381bdc61505481599c7dccd7be", kill_on_drop: false }`
[INFO] [stdout] d628aa1414d50ea331536c3161bbf6c4ab6bd7381bdc61505481599c7dccd7be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08170c6c728d8866a3a1fef6335e442279180a570b4475cd8d4afa7bcf26e326
[INFO] running `Command { std: "docker" "start" "-a" "08170c6c728d8866a3a1fef6335e442279180a570b4475cd8d4afa7bcf26e326", 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" "08170c6c728d8866a3a1fef6335e442279180a570b4475cd8d4afa7bcf26e326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08170c6c728d8866a3a1fef6335e442279180a570b4475cd8d4afa7bcf26e326", kill_on_drop: false }`
[INFO] [stdout] 08170c6c728d8866a3a1fef6335e442279180a570b4475cd8d4afa7bcf26e326