[INFO] cloning repository https://github.com/M1ngXU/MatrixSolverRS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M1ngXU/MatrixSolverRS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 541d617fc5d62fd5ce0995e7dc7b0507cfc80b5c
[INFO] documenting M1ngXU/MatrixSolverRS against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM1ngXU%2FMatrixSolverRS" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M1ngXU/MatrixSolverRS on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/M1ngXU/MatrixSolverRS
[INFO] finished tweaking git repo https://github.com/M1ngXU/MatrixSolverRS
[INFO] tweaked toml for git repo https://github.com/M1ngXU/MatrixSolverRS written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/M1ngXU/MatrixSolverRS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 369ae5a6b156ed888ca691ff80ad64635e70c859173d28d8e4d6801212e06016
[INFO] running `Command { std: "docker" "start" "-a" "369ae5a6b156ed888ca691ff80ad64635e70c859173d28d8e4d6801212e06016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "369ae5a6b156ed888ca691ff80ad64635e70c859173d28d8e4d6801212e06016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369ae5a6b156ed888ca691ff80ad64635e70c859173d28d8e4d6801212e06016", kill_on_drop: false }`
[INFO] [stdout] 369ae5a6b156ed888ca691ff80ad64635e70c859173d28d8e4d6801212e06016
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53224501cc16a30c2a6a845658468c2aa3eabec74d3af71eed6c8f6d817a2fc4
[INFO] running `Command { std: "docker" "start" "-a" "53224501cc16a30c2a6a845658468c2aa3eabec74d3af71eed6c8f6d817a2fc4", kill_on_drop: false }`
[INFO] [stderr]  Documenting matrix_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "53224501cc16a30c2a6a845658468c2aa3eabec74d3af71eed6c8f6d817a2fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53224501cc16a30c2a6a845658468c2aa3eabec74d3af71eed6c8f6d817a2fc4", kill_on_drop: false }`
[INFO] [stdout] 53224501cc16a30c2a6a845658468c2aa3eabec74d3af71eed6c8f6d817a2fc4