[INFO] fetching crate ffav-sys 4.3.1+3...
[INFO] documenting ffav-sys-4.3.1+3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ffav-sys 4.3.1+3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ffav-sys 4.3.1+3 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffav-sys 4.3.1+3
[INFO] finished tweaking crates.io crate ffav-sys 4.3.1+3
[INFO] tweaked toml for crates.io crate ffav-sys 4.3.1+3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ffav-sys 4.3.1+3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v1.0.0
[INFO] [stderr]   Downloaded bindgen v0.55.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f1e6ff9dd461e2cee7c9d7852ece45207b2e6a1c65adacd82adc5524f8bfdb
[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" "13f1e6ff9dd461e2cee7c9d7852ece45207b2e6a1c65adacd82adc5524f8bfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f1e6ff9dd461e2cee7c9d7852ece45207b2e6a1c65adacd82adc5524f8bfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f1e6ff9dd461e2cee7c9d7852ece45207b2e6a1c65adacd82adc5524f8bfdb", kill_on_drop: false }`
[INFO] [stdout] 13f1e6ff9dd461e2cee7c9d7852ece45207b2e6a1c65adacd82adc5524f8bfdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a6f5eec10980735a760d5dce2b35c0c064500659d0a0edd2f408bf0511b03f
[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" "29a6f5eec10980735a760d5dce2b35c0c064500659d0a0edd2f408bf0511b03f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling clang-sys v1.0.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling ffav-sys v4.3.1+3 (/opt/rustwide/workdir)
[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 build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="avcodec"' --cfg 'feature="avdevice"' --cfg 'feature="avfilter"' --cfg 'feature="avformat"' --cfg 'feature="avutil"' --cfg 'feature="default"' --cfg 'feature="swresample"' --cfg 'feature="swscale"' -C metadata=eaf381d28c58c952 -C extra-filename=-eaf381d28c58c952 --out-dir /opt/rustwide/target/debug/build/ffav-sys-eaf381d28c58c952 -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-ba8397e4f4b11573.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-ba4b911efa137afe.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-092cdaa6059fdaa3.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-f68642b447a53a29.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-9d7cc8905e175b99.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "29a6f5eec10980735a760d5dce2b35c0c064500659d0a0edd2f408bf0511b03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a6f5eec10980735a760d5dce2b35c0c064500659d0a0edd2f408bf0511b03f", kill_on_drop: false }`
[INFO] [stdout] 29a6f5eec10980735a760d5dce2b35c0c064500659d0a0edd2f408bf0511b03f