[INFO] fetching crate melange 0.1.0...
[INFO] testing melange-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate melange 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate melange 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate melange 0.1.0
[INFO] finished tweaking crates.io crate melange 0.1.0
[INFO] tweaked toml for crates.io crate melange 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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 cblas-sys v0.1.4
[INFO] [stderr]   Downloaded cblas v0.2.0
[INFO] [stderr]   Downloaded melange_macros v0.1.0
[INFO] [stderr]   Downloaded openblas-src v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d72a0fefdebbc22ec8788cadaa8c916246c113fe838a945f1bad9b539a407e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9d72a0fefdebbc22ec8788cadaa8c916246c113fe838a945f1bad9b539a407e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d72a0fefdebbc22ec8788cadaa8c916246c113fe838a945f1bad9b539a407e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d72a0fefdebbc22ec8788cadaa8c916246c113fe838a945f1bad9b539a407e6", kill_on_drop: false }`
[INFO] [stdout] 9d72a0fefdebbc22ec8788cadaa8c916246c113fe838a945f1bad9b539a407e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca1fda5121210ccbaefe39a1be15d8b4e48e724981b3a596b2c31cbecea96a1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ca1fda5121210ccbaefe39a1be15d8b4e48e724981b3a596b2c31cbecea96a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling melange_macros v0.1.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling cblas v0.2.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3ca1fda5121210ccbaefe39a1be15d8b4e48e724981b3a596b2c31cbecea96a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca1fda5121210ccbaefe39a1be15d8b4e48e724981b3a596b2c31cbecea96a1", kill_on_drop: false }`
[INFO] [stdout] 3ca1fda5121210ccbaefe39a1be15d8b4e48e724981b3a596b2c31cbecea96a1