[INFO] fetching crate termplay 2.0.6...
[INFO] documenting termplay-2.0.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate termplay 2.0.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate termplay 2.0.6 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a027c4e26f50f0f6a58eeaa938f933d869ea83b58e7a27f753b2d9bdaa6df0
[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" "13a027c4e26f50f0f6a58eeaa938f933d869ea83b58e7a27f753b2d9bdaa6df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a027c4e26f50f0f6a58eeaa938f933d869ea83b58e7a27f753b2d9bdaa6df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a027c4e26f50f0f6a58eeaa938f933d869ea83b58e7a27f753b2d9bdaa6df0", kill_on_drop: false }`
[INFO] [stdout] 13a027c4e26f50f0f6a58eeaa938f933d869ea83b58e7a27f753b2d9bdaa6df0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d6a4f79223235a8ab168bc22eac1504fa189d9f9bbd950ce402e4fe2c29ae6
[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" "85d6a4f79223235a8ab168bc22eac1504fa189d9f9bbd950ce402e4fe2c29ae6", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling gstreamer v0.15.0
[INFO] [stderr]    Compiling gstreamer-base v0.15.0
[INFO] [stderr]    Compiling gstreamer-app v0.15.0
[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 backtrace-sys v0.1.32
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[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-090c353ba48c40d1/build-script-build` (exit code: 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 code: 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" "85d6a4f79223235a8ab168bc22eac1504fa189d9f9bbd950ce402e4fe2c29ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d6a4f79223235a8ab168bc22eac1504fa189d9f9bbd950ce402e4fe2c29ae6", kill_on_drop: false }`
[INFO] [stdout] 85d6a4f79223235a8ab168bc22eac1504fa189d9f9bbd950ce402e4fe2c29ae6