[INFO] fetching crate gst-plugin-rspng 0.1.0...
[INFO] checking gst-plugin-rspng-0.1.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate gst-plugin-rspng 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate gst-plugin-rspng 0.1.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-rspng 0.1.0
[INFO] finished tweaking crates.io crate gst-plugin-rspng 0.1.0
[INFO] tweaked toml for crates.io crate gst-plugin-rspng 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-rspng 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic_refcell v0.1.6
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded png v0.16.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cced152aafb83866f842011154cd4b673937080fc9b2aacfaa1a9d89e4fd3a60
[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" "cced152aafb83866f842011154cd4b673937080fc9b2aacfaa1a9d89e4fd3a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cced152aafb83866f842011154cd4b673937080fc9b2aacfaa1a9d89e4fd3a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cced152aafb83866f842011154cd4b673937080fc9b2aacfaa1a9d89e4fd3a60", kill_on_drop: false }`
[INFO] [stdout] cced152aafb83866f842011154cd4b673937080fc9b2aacfaa1a9d89e4fd3a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6bc751a016ff710992d61f5bd40192cba5adeaa225e1edfd12f64115e5643a88
[INFO] running `Command { std: "docker" "start" "-a" "6bc751a016ff710992d61f5bd40192cba5adeaa225e1edfd12f64115e5643a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling gstreamer-check v0.16.0
[INFO] [stderr]     Checking atomic_refcell v0.1.6
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]    Compiling gstreamer-check-sys v0.9.0
[INFO] [stderr]    Compiling gst-plugin-rspng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gobject-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-video-sys v0.9.0
[INFO] [stderr] error: failed to run custom build command for `gstreamer-video-sys v0.9.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-video-sys-feb98db6eaf9a024/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-video-1.0" "gstreamer-video-1.0 >= 1.8"` did not exit successfully: exit code: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-video-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-video-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-video-1.0' found
[INFO] [stderr]   Package gstreamer-video-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-video-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-video-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" "6bc751a016ff710992d61f5bd40192cba5adeaa225e1edfd12f64115e5643a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc751a016ff710992d61f5bd40192cba5adeaa225e1edfd12f64115e5643a88", kill_on_drop: false }`
[INFO] [stdout] 6bc751a016ff710992d61f5bd40192cba5adeaa225e1edfd12f64115e5643a88