[INFO] fetching crate fftw-src 0.3.3...
[INFO] testing fftw-src-0.3.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fftw-src 0.3.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fftw-src 0.3.3 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 fftw-src 0.3.3
[INFO] finished tweaking crates.io crate fftw-src 0.3.3
[INFO] tweaked toml for crates.io crate fftw-src 0.3.3 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b9c542fea47d49202c67cd46b2f570f9c4eb9afb1db2038a1fb399bb98d1eca
[INFO] running `Command { std: "docker" "start" "-a" "8b9c542fea47d49202c67cd46b2f570f9c4eb9afb1db2038a1fb399bb98d1eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9c542fea47d49202c67cd46b2f570f9c4eb9afb1db2038a1fb399bb98d1eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9c542fea47d49202c67cd46b2f570f9c4eb9afb1db2038a1fb399bb98d1eca", kill_on_drop: false }`
[INFO] [stdout] 8b9c542fea47d49202c67cd46b2f570f9c4eb9afb1db2038a1fb399bb98d1eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 11069d2f8d37ee08b0a857892adb59bf39c240c09e68dd5f324c3c005aebe6fb
[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" "11069d2f8d37ee08b0a857892adb59bf39c240c09e68dd5f324c3c005aebe6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling zip v0.5.9
[INFO] [stderr]    Compiling fftw-src v0.3.3 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "11069d2f8d37ee08b0a857892adb59bf39c240c09e68dd5f324c3c005aebe6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11069d2f8d37ee08b0a857892adb59bf39c240c09e68dd5f324c3c005aebe6fb", kill_on_drop: false }`
[INFO] [stdout] 11069d2f8d37ee08b0a857892adb59bf39c240c09e68dd5f324c3c005aebe6fb