[INFO] cloning repository https://github.com/raytiley/rtp-inter-element-sync
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raytiley/rtp-inter-element-sync" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraytiley%2Frtp-inter-element-sync", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraytiley%2Frtp-inter-element-sync'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 112ef6c4c0bf6453da51adaca9d1afc4e65a1b58
[INFO] checking raytiley/rtp-inter-element-sync against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraytiley%2Frtp-inter-element-sync" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raytiley/rtp-inter-element-sync on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raytiley/rtp-inter-element-sync
[INFO] finished tweaking git repo https://github.com/raytiley/rtp-inter-element-sync
[INFO] tweaked toml for git repo https://github.com/raytiley/rtp-inter-element-sync written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/raytiley/rtp-inter-element-sync already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/glib`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir.git`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files.git`
[INFO] [stderr]     Updating git repository `https://github.com/sdroege/gstreamer-rs`
[INFO] [stderr]     Updating git repository `https://github.com/gtk-rs/sys`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir-files`
[INFO] [stderr]     Updating git repository `https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys`
[INFO] [stderr]     Updating git submodule `https://github.com/gtk-rs/gir`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded muldiv v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58c6d25e2f112ee4c27cb29521d277902c0557ae94479bc538e8cc69537b111e
[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" "58c6d25e2f112ee4c27cb29521d277902c0557ae94479bc538e8cc69537b111e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58c6d25e2f112ee4c27cb29521d277902c0557ae94479bc538e8cc69537b111e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58c6d25e2f112ee4c27cb29521d277902c0557ae94479bc538e8cc69537b111e", kill_on_drop: false }`
[INFO] [stdout] 58c6d25e2f112ee4c27cb29521d277902c0557ae94479bc538e8cc69537b111e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260e268a618a308c15fe43f05b7a7b0ff1eb67b38eb789ebbdea14ea4743d6b4
[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" "260e268a618a308c15fe43f05b7a7b0ff1eb67b38eb789ebbdea14ea4743d6b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling gstreamer v0.14.0 (https://github.com/sdroege/gstreamer-rs#e0c0c7d4)
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling gstreamer-base v0.14.0 (https://github.com/sdroege/gstreamer-rs#e0c0c7d4)
[INFO] [stderr]    Compiling gstreamer-audio v0.14.0 (https://github.com/sdroege/gstreamer-rs#e0c0c7d4)
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling gstreamer-video v0.14.0 (https://github.com/sdroege/gstreamer-rs#e0c0c7d4)
[INFO] [stderr]    Compiling gstreamer-app v0.14.0 (https://github.com/sdroege/gstreamer-rs#e0c0c7d4)
[INFO] [stderr]    Compiling glib-sys v0.8.0 (https://github.com/gtk-rs/sys#758341f5)
[INFO] [stderr]    Compiling gobject-sys v0.8.0 (https://github.com/gtk-rs/sys#758341f5)
[INFO] [stderr]    Compiling gstreamer-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)
[INFO] [stderr]    Compiling gstreamer-base-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)
[INFO] [stderr]    Compiling gstreamer-app-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)
[INFO] [stderr]    Compiling gstreamer-video-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr] error: failed to run custom build command for `gstreamer-video-sys v0.8.0 (https://gitlab.freedesktop.org/gstreamer/gstreamer-rs-sys#e274b549)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-video-sys-e7470a43573dc682/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "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] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "260e268a618a308c15fe43f05b7a7b0ff1eb67b38eb789ebbdea14ea4743d6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260e268a618a308c15fe43f05b7a7b0ff1eb67b38eb789ebbdea14ea4743d6b4", kill_on_drop: false }`
[INFO] [stdout] 260e268a618a308c15fe43f05b7a7b0ff1eb67b38eb789ebbdea14ea4743d6b4