[INFO] cloning repository https://github.com/Romira915/combinatorial_optimization_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Romira915/combinatorial_optimization_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2e043be43e5ed5fa4840dcbcff979de687c972d
[INFO] checking Romira915/combinatorial_optimization_solver against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRomira915%2Fcombinatorial_optimization_solver" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
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[INFO] validating manifest of git repo https://github.com/Romira915/combinatorial_optimization_solver on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Romira915/combinatorial_optimization_solver
[INFO] finished tweaking git repo https://github.com/Romira915/combinatorial_optimization_solver
[INFO] tweaked toml for git repo https://github.com/Romira915/combinatorial_optimization_solver written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Romira915/combinatorial_optimization_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded ndarray v0.15.3
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded lax v0.2.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.0
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0da76e24be355c41532635da377cc4b89014e21156e5da3e50e3594fed946c0
[INFO] running `Command { std: "docker" "start" "-a" "f0da76e24be355c41532635da377cc4b89014e21156e5da3e50e3594fed946c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0da76e24be355c41532635da377cc4b89014e21156e5da3e50e3594fed946c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0da76e24be355c41532635da377cc4b89014e21156e5da3e50e3594fed946c0", kill_on_drop: false }`
[INFO] [stdout] f0da76e24be355c41532635da377cc4b89014e21156e5da3e50e3594fed946c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad69bce53bfda73d7307f0223adee566469424e770b1b8318ed952e04e7671f2
[INFO] running `Command { std: "docker" "start" "-a" "ad69bce53bfda73d7307f0223adee566469424e770b1b8318ed952e04e7671f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling openblas-build v0.1.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]    Compiling openblas-src v0.10.4
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking futures v0.3.16
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[INFO] [stderr]     Checking tokio-rustls v0.22.0
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[INFO] [stderr]     Checking ndarray-rand v0.14.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ad69bce53bfda73d7307f0223adee566469424e770b1b8318ed952e04e7671f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad69bce53bfda73d7307f0223adee566469424e770b1b8318ed952e04e7671f2", kill_on_drop: false }`
[INFO] [stdout] ad69bce53bfda73d7307f0223adee566469424e770b1b8318ed952e04e7671f2