[INFO] fetching crate ffav 4.3.12...
[INFO] testing ffav-4.3.12 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ffav 4.3.12 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ffav 4.3.12 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 4.3.12
[INFO] finished tweaking crates.io crate ffav 4.3.12
[INFO] tweaked toml for crates.io crate ffav 4.3.12 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ffav 4.3.12 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] [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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] daa4500f762d0861a8b16eb508b1c92df594ce16b1f18ad34ab2af6afae83d65
[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" "daa4500f762d0861a8b16eb508b1c92df594ce16b1f18ad34ab2af6afae83d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa4500f762d0861a8b16eb508b1c92df594ce16b1f18ad34ab2af6afae83d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa4500f762d0861a8b16eb508b1c92df594ce16b1f18ad34ab2af6afae83d65", kill_on_drop: false }`
[INFO] [stdout] daa4500f762d0861a8b16eb508b1c92df594ce16b1f18ad34ab2af6afae83d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 322bcef7a32625ab8c11ce83995ffd6f5bc18379eaa33068ba3aaac1f6ceb8ff
[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" "322bcef7a32625ab8c11ce83995ffd6f5bc18379eaa33068ba3aaac1f6ceb8ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling ffav v4.3.12 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[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 regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling ffav-sys v4.3.4
[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-4.3.4/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=fdfef3253b9e4dc4 -C extra-filename=-fdfef3253b9e4dc4 --out-dir /opt/rustwide/target/debug/build/ffav-sys-fdfef3253b9e4dc4 -L dependency=/opt/rustwide/target/debug/deps --extern bindgen=/opt/rustwide/target/debug/deps/libbindgen-d8bd1351d7d5daad.rlib --extern cc=/opt/rustwide/target/debug/deps/libcc-179828e65b0b359f.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5c6f1d774f500334.rlib --extern pkg_config=/opt/rustwide/target/debug/deps/libpkg_config-b952aecd167c3d7e.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-95127fd839f2ca8f.rlib --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "322bcef7a32625ab8c11ce83995ffd6f5bc18379eaa33068ba3aaac1f6ceb8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322bcef7a32625ab8c11ce83995ffd6f5bc18379eaa33068ba3aaac1f6ceb8ff", kill_on_drop: false }`
[INFO] [stdout] 322bcef7a32625ab8c11ce83995ffd6f5bc18379eaa33068ba3aaac1f6ceb8ff