[INFO] fetching crate libaom-sys 0.8.0...
[INFO] testing libaom-sys-0.8.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libaom-sys 0.8.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libaom-sys 0.8.0 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 libaom-sys 0.8.0
[INFO] finished tweaking crates.io crate libaom-sys 0.8.0
[INFO] tweaked toml for crates.io crate libaom-sys 0.8.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 715b4adc88406b7c7585ee2f0752d0078e69c79254affcdd79435972e83d3072
[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" "715b4adc88406b7c7585ee2f0752d0078e69c79254affcdd79435972e83d3072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "715b4adc88406b7c7585ee2f0752d0078e69c79254affcdd79435972e83d3072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715b4adc88406b7c7585ee2f0752d0078e69c79254affcdd79435972e83d3072", kill_on_drop: false }`
[INFO] [stdout] 715b4adc88406b7c7585ee2f0752d0078e69c79254affcdd79435972e83d3072
[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] aee6f0d05cae7b933b58a89a611c6dc8c1b117724fd86e331ffd137b3fa46a5e
[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" "aee6f0d05cae7b933b58a89a611c6dc8c1b117724fd86e331ffd137b3fa46a5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libaom-sys v0.8.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "aee6f0d05cae7b933b58a89a611c6dc8c1b117724fd86e331ffd137b3fa46a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee6f0d05cae7b933b58a89a611c6dc8c1b117724fd86e331ffd137b3fa46a5e", kill_on_drop: false }`
[INFO] [stdout] aee6f0d05cae7b933b58a89a611c6dc8c1b117724fd86e331ffd137b3fa46a5e