[INFO] fetching crate ffav 4.3.6...
[INFO] documenting ffav-4.3.6 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate ffav 4.3.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ffav 4.3.6 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffav 4.3.6
[INFO] finished tweaking crates.io crate ffav 4.3.6
[INFO] tweaked toml for crates.io crate ffav 4.3.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ffav 4.3.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b0cdda13c4ce4f841a667e50f58d7e0e35c02d0cf4c98859fd87b38b586d21
[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" "74b0cdda13c4ce4f841a667e50f58d7e0e35c02d0cf4c98859fd87b38b586d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b0cdda13c4ce4f841a667e50f58d7e0e35c02d0cf4c98859fd87b38b586d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b0cdda13c4ce4f841a667e50f58d7e0e35c02d0cf4c98859fd87b38b586d21", kill_on_drop: false }`
[INFO] [stdout] 74b0cdda13c4ce4f841a667e50f58d7e0e35c02d0cf4c98859fd87b38b586d21
[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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46824c5e19d6c86e2f119a42306ff22569142a3ebfbba9419d974cabf97d66fe
[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" "46824c5e19d6c86e2f119a42306ff22569142a3ebfbba9419d974cabf97d66fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.19
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling ffav v4.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clang-sys v1.0.1
[INFO] [stderr]    Compiling libloading v0.6.4
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling regex v1.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling ffav-sys v4.3.2
[INFO] [stderr] error: could not compile `ffav-sys`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ffav-sys-4.3.2/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="avcodec"' --cfg 'feature="avdevice"' --cfg 'feature="avfilter"' --cfg 'feature="avformat"' --cfg 'feature="avutil"' --cfg 'feature="swresample"' --cfg 'feature="swscale"' -C metadata=d19cf567a02404cb -C extra-filename=-d19cf567a02404cb --out-dir /opt/rustwide/target/debug/build/ffav-sys-d19cf567a02404cb -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-d3a4ea816296860c.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-b18bc310fca80911.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-f5c3e238754dd294.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-6d9b079141ed3492.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-bdbae87b0e4318f5.rlib --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "46824c5e19d6c86e2f119a42306ff22569142a3ebfbba9419d974cabf97d66fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46824c5e19d6c86e2f119a42306ff22569142a3ebfbba9419d974cabf97d66fe", kill_on_drop: false }`
[INFO] [stdout] 46824c5e19d6c86e2f119a42306ff22569142a3ebfbba9419d974cabf97d66fe
