[INFO] fetching crate gst-plugin-fallbackswitch 0.6.0...
[INFO] checking gst-plugin-fallbackswitch-0.6.0 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[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 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8059f455a690325ea2707332a626a2afae6bd6b6e4c9862e007b4bcd0174a745
[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" "8059f455a690325ea2707332a626a2afae6bd6b6e4c9862e007b4bcd0174a745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8059f455a690325ea2707332a626a2afae6bd6b6e4c9862e007b4bcd0174a745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8059f455a690325ea2707332a626a2afae6bd6b6e4c9862e007b4bcd0174a745", kill_on_drop: false }`
[INFO] [stdout] 8059f455a690325ea2707332a626a2afae6bd6b6e4c9862e007b4bcd0174a745
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c4868415ce414200b0cc87005b9d1a8a3e7d4ab36c3685f5dd6153fb74743a8
[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" "5c4868415ce414200b0cc87005b9d1a8a3e7d4ab36c3685f5dd6153fb74743a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling gstreamer v0.16.1
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]    Compiling gstreamer-base v0.16.0
[INFO] [stderr]    Compiling gstreamer-audio v0.16.0
[INFO] [stderr]    Compiling gstreamer-video v0.16.0
[INFO] [stderr]    Compiling cc v1.0.58
[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 proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling gst-plugin-version-helper v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling gst-plugin-fallbackswitch v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-video-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-check-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-app-sys v0.9.0
[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-3974efe73beff401/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" "5c4868415ce414200b0cc87005b9d1a8a3e7d4ab36c3685f5dd6153fb74743a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c4868415ce414200b0cc87005b9d1a8a3e7d4ab36c3685f5dd6153fb74743a8", kill_on_drop: false }`
[INFO] [stdout] 5c4868415ce414200b0cc87005b9d1a8a3e7d4ab36c3685f5dd6153fb74743a8