[INFO] fetching crate ffav-sys 4.3.1...
[INFO] checking ffav-sys-4.3.1 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate ffav-sys 4.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ffav-sys 4.3.1 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffav-sys 4.3.1
[INFO] finished tweaking crates.io crate ffav-sys 4.3.1
[INFO] tweaked toml for crates.io crate ffav-sys 4.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ffav-sys 4.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5793ca8f0c8785392e99522174ffc9fba8f382403c937069bce7bfecb263b15c
[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" "5793ca8f0c8785392e99522174ffc9fba8f382403c937069bce7bfecb263b15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5793ca8f0c8785392e99522174ffc9fba8f382403c937069bce7bfecb263b15c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5793ca8f0c8785392e99522174ffc9fba8f382403c937069bce7bfecb263b15c", kill_on_drop: false }`
[INFO] [stdout] 5793ca8f0c8785392e99522174ffc9fba8f382403c937069bce7bfecb263b15c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60be83d8505da874ee12b7f3e70fef6839e596ccecfbacce26a50101ea6bb3c9
[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" "60be83d8505da874ee12b7f3e70fef6839e596ccecfbacce26a50101ea6bb3c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling nom v5.1.2
[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 v2.33.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling ffav-sys v4.3.1 (/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=296b2eeaf97ce631 -C extra-filename=-296b2eeaf97ce631 --out-dir /opt/rustwide/target/debug/build/ffav-sys-296b2eeaf97ce631 -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-7fac7fdf4764ac6c.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-daf677fd78e5106f.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-c34ce961d380cdf0.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-1bebb02586ca82d6.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-cdf5ba7f1abc44f9.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libloading-078bef12fafe85cf/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "60be83d8505da874ee12b7f3e70fef6839e596ccecfbacce26a50101ea6bb3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60be83d8505da874ee12b7f3e70fef6839e596ccecfbacce26a50101ea6bb3c9", kill_on_drop: false }`
[INFO] [stdout] 60be83d8505da874ee12b7f3e70fef6839e596ccecfbacce26a50101ea6bb3c9