[INFO] fetching crate spartan-codec 0.1.0...
[INFO] testing spartan-codec-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate spartan-codec 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate spartan-codec 0.1.0 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 spartan-codec 0.1.0
[INFO] finished tweaking crates.io crate spartan-codec 0.1.0
[INFO] tweaked toml for crates.io crate spartan-codec 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ce62ab4925a0862858ec6473c5342681cb2b76af684275f2ab23d857a5ccd28e
[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" "ce62ab4925a0862858ec6473c5342681cb2b76af684275f2ab23d857a5ccd28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce62ab4925a0862858ec6473c5342681cb2b76af684275f2ab23d857a5ccd28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce62ab4925a0862858ec6473c5342681cb2b76af684275f2ab23d857a5ccd28e", kill_on_drop: false }`
[INFO] [stdout] ce62ab4925a0862858ec6473c5342681cb2b76af684275f2ab23d857a5ccd28e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9c5d0b2646c7e99094dc1c21f4ce6f598fc4432490ba06dcf5f8cfe60d1741f3
[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" "9c5d0b2646c7e99094dc1c21f4ce6f598fc4432490ba06dcf5f8cfe60d1741f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling rug v1.15.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9c5d0b2646c7e99094dc1c21f4ce6f598fc4432490ba06dcf5f8cfe60d1741f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5d0b2646c7e99094dc1c21f4ce6f598fc4432490ba06dcf5f8cfe60d1741f3", kill_on_drop: false }`
[INFO] [stdout] 9c5d0b2646c7e99094dc1c21f4ce6f598fc4432490ba06dcf5f8cfe60d1741f3