[INFO] fetching crate ffmpeg-dev 0.3.8...
[INFO] testing ffmpeg-dev-0.3.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ffmpeg-dev 0.3.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ffmpeg-dev 0.3.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffmpeg-dev 0.3.8
[INFO] finished tweaking crates.io crate ffmpeg-dev 0.3.8
[INFO] tweaked toml for crates.io crate ffmpeg-dev 0.3.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ffmpeg-dev 0.3.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0e754091d930790abac0c93b61474bf011a81e98882c7c4b6605a1ef2896597
[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" "d0e754091d930790abac0c93b61474bf011a81e98882c7c4b6605a1ef2896597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0e754091d930790abac0c93b61474bf011a81e98882c7c4b6605a1ef2896597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e754091d930790abac0c93b61474bf011a81e98882c7c4b6605a1ef2896597", kill_on_drop: false }`
[INFO] [stdout] d0e754091d930790abac0c93b61474bf011a81e98882c7c4b6605a1ef2896597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6deadb0dca03208746aa0f5d5792d9bea49777d9f11effd69276c23d6349477
[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" "a6deadb0dca03208746aa0f5d5792d9bea49777d9f11effd69276c23d6349477", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ffmpeg-dev v0.3.8 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a6deadb0dca03208746aa0f5d5792d9bea49777d9f11effd69276c23d6349477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6deadb0dca03208746aa0f5d5792d9bea49777d9f11effd69276c23d6349477", kill_on_drop: false }`
[INFO] [stdout] a6deadb0dca03208746aa0f5d5792d9bea49777d9f11effd69276c23d6349477