[INFO] fetching crate rug-fft 0.1.2...
[INFO] testing rug-fft-0.1.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rug-fft 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rug-fft 0.1.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-fft 0.1.2
[INFO] finished tweaking crates.io crate rug-fft 0.1.2
[INFO] tweaked toml for crates.io crate rug-fft 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rug-fft 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 916f0458b96ff73545abf10e77b040edbc79091d7d08ee927cdbbd5ced9ae3e8
[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" "916f0458b96ff73545abf10e77b040edbc79091d7d08ee927cdbbd5ced9ae3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "916f0458b96ff73545abf10e77b040edbc79091d7d08ee927cdbbd5ced9ae3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916f0458b96ff73545abf10e77b040edbc79091d7d08ee927cdbbd5ced9ae3e8", kill_on_drop: false }`
[INFO] [stdout] 916f0458b96ff73545abf10e77b040edbc79091d7d08ee927cdbbd5ced9ae3e8
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84bbebf97a62b0d234ac2f5a63d6ebb4cf84c2671dc3d1643d58e907baa92359
[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" "84bbebf97a62b0d234ac2f5a63d6ebb4cf84c2671dc3d1643d58e907baa92359", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.6
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.13.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "84bbebf97a62b0d234ac2f5a63d6ebb4cf84c2671dc3d1643d58e907baa92359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84bbebf97a62b0d234ac2f5a63d6ebb4cf84c2671dc3d1643d58e907baa92359", kill_on_drop: false }`
[INFO] [stdout] 84bbebf97a62b0d234ac2f5a63d6ebb4cf84c2671dc3d1643d58e907baa92359