[INFO] fetching crate gst-plugin-fallbackswitch 0.6.0...
[INFO] checking gst-plugin-fallbackswitch-0.6.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate gst-plugin-fallbackswitch 0.6.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gst-plugin-fallbackswitch 0.6.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-fallbackswitch 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gst-plugin-fallbackswitch 0.6.0
[INFO] tweaked toml for crates.io crate gst-plugin-fallbackswitch 0.6.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-fallbackswitch 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcedb342998861227750cdba6d145f095dce6c2f59c8ec1fab51568d6ce735d3
[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" "bcedb342998861227750cdba6d145f095dce6c2f59c8ec1fab51568d6ce735d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcedb342998861227750cdba6d145f095dce6c2f59c8ec1fab51568d6ce735d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcedb342998861227750cdba6d145f095dce6c2f59c8ec1fab51568d6ce735d3", kill_on_drop: false }`
[INFO] [stdout] bcedb342998861227750cdba6d145f095dce6c2f59c8ec1fab51568d6ce735d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f4e7879336086e3c87e26645fcf3d675234487d25655756e383b9e6d6143ed
[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" "b8f4e7879336086e3c87e26645fcf3d675234487d25655756e383b9e6d6143ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling gstreamer v0.16.1
[INFO] [stderr]    Compiling gstreamer-base v0.16.0
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling gstreamer-video v0.16.0
[INFO] [stderr]    Compiling gstreamer-audio v0.16.0
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling gstreamer-app v0.16.0
[INFO] [stderr]    Compiling gstreamer-check v0.16.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling gstreamer-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]    Compiling gstreamer-video-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-app-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-check-sys v0.9.0
[INFO] [stderr]     Checking gobject-sys v0.10.0
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr] error: failed to run custom build command for `gstreamer-audio-sys v0.9.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-audio-sys-2e7e39793b958fe7/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-audio-1.0" "gstreamer-audio-1.0 >= 1.14"` did not exit successfully: exit code: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-audio-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-audio-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-audio-1.0' found
[INFO] [stderr]   Package gstreamer-audio-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-audio-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-audio-1.0' found
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b8f4e7879336086e3c87e26645fcf3d675234487d25655756e383b9e6d6143ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f4e7879336086e3c87e26645fcf3d675234487d25655756e383b9e6d6143ed", kill_on_drop: false }`
[INFO] [stdout] b8f4e7879336086e3c87e26645fcf3d675234487d25655756e383b9e6d6143ed