[INFO] crate libslide 0.0.1 is already in cache
[INFO] testing libslide-0.0.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate libslide 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libslide 0.0.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libslide 0.0.1
[INFO] finished tweaking crates.io crate libslide 0.0.1
[INFO] tweaked toml for crates.io crate libslide 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3604418fedba8a173d96a36f52cf58852b9eb804cc496870d5fac02aab544a3f
[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" "3604418fedba8a173d96a36f52cf58852b9eb804cc496870d5fac02aab544a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3604418fedba8a173d96a36f52cf58852b9eb804cc496870d5fac02aab544a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3604418fedba8a173d96a36f52cf58852b9eb804cc496870d5fac02aab544a3f", kill_on_drop: false }`
[INFO] [stdout] 3604418fedba8a173d96a36f52cf58852b9eb804cc496870d5fac02aab544a3f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0d2eaae7b117ffff0f99d51da59263dad0eacdc3afa1d70316cdeb6cabf2740
[INFO] running `Command { std: "docker" "start" "-a" "b0d2eaae7b117ffff0f99d51da59263dad0eacdc3afa1d70316cdeb6cabf2740", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.3.1
[INFO] [stderr]    Compiling rug v1.10.0
[INFO] [stderr]    Compiling az v1.0.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b0d2eaae7b117ffff0f99d51da59263dad0eacdc3afa1d70316cdeb6cabf2740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2eaae7b117ffff0f99d51da59263dad0eacdc3afa1d70316cdeb6cabf2740", kill_on_drop: false }`
[INFO] [stdout] b0d2eaae7b117ffff0f99d51da59263dad0eacdc3afa1d70316cdeb6cabf2740