[INFO] fetching crate termplay 2.0.6...
[INFO] testing termplay-2.0.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate termplay 2.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate termplay 2.0.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate termplay 2.0.6
[INFO] finished tweaking crates.io crate termplay 2.0.6
[INFO] tweaked toml for crates.io crate termplay 2.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate termplay 2.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a827cab6b96828b43f909a3776fc274737de17efde96327ddb82ea5899561c98
[INFO] running `Command { std: "docker" "start" "-a" "a827cab6b96828b43f909a3776fc274737de17efde96327ddb82ea5899561c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a827cab6b96828b43f909a3776fc274737de17efde96327ddb82ea5899561c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a827cab6b96828b43f909a3776fc274737de17efde96327ddb82ea5899561c98", kill_on_drop: false }`
[INFO] [stdout] a827cab6b96828b43f909a3776fc274737de17efde96327ddb82ea5899561c98
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6637e399641a398a5832cc86aca6a629cf1d01bd840408eacea9b8b8dd08f4d4
[INFO] running `Command { std: "docker" "start" "-a" "6637e399641a398a5832cc86aca6a629cf1d01bd840408eacea9b8b8dd08f4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gstreamer v0.15.0
[INFO] [stderr]    Compiling gstreamer-base v0.15.0
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling gstreamer-app v0.15.0
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling gstreamer-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-base-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-app-sys v0.8.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling termion v1.5.4
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr] error: failed to run custom build command for `gstreamer-app-sys v0.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-app-sys-69e42ecb4ffc04c5/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-app-1.0" "gstreamer-app-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-app-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-app-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-app-1.0' found
[INFO] [stderr]   Package gstreamer-app-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-app-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-app-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" "6637e399641a398a5832cc86aca6a629cf1d01bd840408eacea9b8b8dd08f4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6637e399641a398a5832cc86aca6a629cf1d01bd840408eacea9b8b8dd08f4d4", kill_on_drop: false }`
[INFO] [stdout] 6637e399641a398a5832cc86aca6a629cf1d01bd840408eacea9b8b8dd08f4d4