[INFO] fetching crate ffav-sys 4.4.0...
[INFO] testing ffav-sys-4.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ffav-sys 4.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ffav-sys 4.4.0 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 ffav-sys 4.4.0
[INFO] finished tweaking crates.io crate ffav-sys 4.4.0
[INFO] tweaked toml for crates.io crate ffav-sys 4.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ffav-sys 4.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 02833676ac2ba128b28e3baa8dad7bab1a376e9ce40357637d338b8df0c6cb0c
[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" "02833676ac2ba128b28e3baa8dad7bab1a376e9ce40357637d338b8df0c6cb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02833676ac2ba128b28e3baa8dad7bab1a376e9ce40357637d338b8df0c6cb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02833676ac2ba128b28e3baa8dad7bab1a376e9ce40357637d338b8df0c6cb0c", kill_on_drop: false }`
[INFO] [stdout] 02833676ac2ba128b28e3baa8dad7bab1a376e9ce40357637d338b8df0c6cb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c323b5c4cd3bf74a0792d4a9272c0f402f33ea1dccd96e87395f71a297b9f7ed
[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" "c323b5c4cd3bf74a0792d4a9272c0f402f33ea1dccd96e87395f71a297b9f7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[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 env_logger v0.8.2
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling ffav-sys v4.4.0 (/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=6c029adfa0edeacc -C extra-filename=-6c029adfa0edeacc --out-dir /opt/rustwide/target/debug/build/ffav-sys-6c029adfa0edeacc -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-eef0a47afda91ab8.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-ea1a773815567ea3.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-3730a8c00721ce2a.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-b952aecd167c3d7e.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-e7cd6f930607cee6.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c323b5c4cd3bf74a0792d4a9272c0f402f33ea1dccd96e87395f71a297b9f7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c323b5c4cd3bf74a0792d4a9272c0f402f33ea1dccd96e87395f71a297b9f7ed", kill_on_drop: false }`
[INFO] [stdout] c323b5c4cd3bf74a0792d4a9272c0f402f33ea1dccd96e87395f71a297b9f7ed