[INFO] fetching crate ffav-sys 4.3.4...
[INFO] checking ffav-sys-4.3.4 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ffav-sys 4.3.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ffav-sys 4.3.4 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffav-sys 4.3.4
[INFO] finished tweaking crates.io crate ffav-sys 4.3.4
[INFO] tweaked toml for crates.io crate ffav-sys 4.3.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ffav-sys 4.3.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9638db660e63cf16c9d1e0c9d253efa647ec401ef1d25263bd64d1a67122842
[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" "f9638db660e63cf16c9d1e0c9d253efa647ec401ef1d25263bd64d1a67122842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9638db660e63cf16c9d1e0c9d253efa647ec401ef1d25263bd64d1a67122842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9638db660e63cf16c9d1e0c9d253efa647ec401ef1d25263bd64d1a67122842", kill_on_drop: false }`
[INFO] [stdout] f9638db660e63cf16c9d1e0c9d253efa647ec401ef1d25263bd64d1a67122842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4c0e9406c240dfa7bfa18f9dd8c67b9996eecb1e2abfc5928e690fa174a8fe6
[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" "d4c0e9406c240dfa7bfa18f9dd8c67b9996eecb1e2abfc5928e690fa174a8fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling ffav-sys v4.3.4 (/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 -C embed-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=8da6409b0f7d8551 -C extra-filename=-8da6409b0f7d8551 --out-dir /opt/rustwide/target/debug/build/ffav-sys-8da6409b0f7d8551 -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-b0796c26c3625f75.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-1333d4b5830b8976.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-389f39c0534eb81f.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-36e144fc3e9e4d7f.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-3ba47f32aacaa4fa.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d4c0e9406c240dfa7bfa18f9dd8c67b9996eecb1e2abfc5928e690fa174a8fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c0e9406c240dfa7bfa18f9dd8c67b9996eecb1e2abfc5928e690fa174a8fe6", kill_on_drop: false }`
[INFO] [stdout] d4c0e9406c240dfa7bfa18f9dd8c67b9996eecb1e2abfc5928e690fa174a8fe6