[INFO] fetching crate rtsp-mock 0.2.0...
[INFO] checking rtsp-mock-0.2.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate rtsp-mock 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rtsp-mock 0.2.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtsp-mock 0.2.0
[INFO] finished tweaking crates.io crate rtsp-mock 0.2.0
[INFO] tweaked toml for crates.io crate rtsp-mock 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rtsp-mock 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", 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] 3b689728aabfd67868a56a88de4595e1da48bce0560775099b3427a0621459a5
[INFO] running `Command { std: "docker" "start" "-a" "3b689728aabfd67868a56a88de4595e1da48bce0560775099b3427a0621459a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b689728aabfd67868a56a88de4595e1da48bce0560775099b3427a0621459a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b689728aabfd67868a56a88de4595e1da48bce0560775099b3427a0621459a5", kill_on_drop: false }`
[INFO] [stdout] 3b689728aabfd67868a56a88de4595e1da48bce0560775099b3427a0621459a5
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] c25972b9bc31492c4f557df00c76b65763f44ac829f0270f12538cccea3a46a8
[INFO] running `Command { std: "docker" "start" "-a" "c25972b9bc31492c4f557df00c76b65763f44ac829f0270f12538cccea3a46a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling gstreamer v0.15.7
[INFO] [stderr]    Compiling gio v0.8.1
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling gstreamer-sdp v0.15.6
[INFO] [stderr]    Compiling gstreamer-net v0.15.0
[INFO] [stderr]    Compiling gstreamer-rtsp v0.15.0
[INFO] [stderr]    Compiling gstreamer-rtsp-server v0.15.5
[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 gio-sys v0.9.1
[INFO] [stderr]    Compiling gstreamer-sdp-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-net-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-rtsp-sys v0.8.1
[INFO] [stderr]    Compiling gstreamer-rtsp-server-sys v0.8.1
[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]     Checking futures-channel v0.3.1
[INFO] [stderr] error: failed to run custom build command for `gstreamer-sdp-sys v0.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-sdp-sys-042792f1452e98f2/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-sdp-1.0" "gstreamer-sdp-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-sdp-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-sdp-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-sdp-1.0' found
[INFO] [stderr]   Package gstreamer-sdp-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-sdp-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-sdp-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" "c25972b9bc31492c4f557df00c76b65763f44ac829f0270f12538cccea3a46a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25972b9bc31492c4f557df00c76b65763f44ac829f0270f12538cccea3a46a8", kill_on_drop: false }`
[INFO] [stdout] c25972b9bc31492c4f557df00c76b65763f44ac829f0270f12538cccea3a46a8