[INFO] crate rsvr_webrtc 0.0.1-alpha.0 is already in cache
[INFO] testing rsvr_webrtc-0.0.1-alpha.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate rsvr_webrtc 0.0.1-alpha.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rsvr_webrtc 0.0.1-alpha.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rsvr_webrtc 0.0.1-alpha.0
[INFO] finished tweaking crates.io crate rsvr_webrtc 0.0.1-alpha.0
[INFO] tweaked toml for crates.io crate rsvr_webrtc 0.0.1-alpha.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2414ae0f50840ee79fa33f4c60e790f90f72fde82097892c52ee195bf994ffd0
[INFO] running `"docker" "start" "-a" "2414ae0f50840ee79fa33f4c60e790f90f72fde82097892c52ee195bf994ffd0"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.51
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling gstreamer-sdp v0.12.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling gstreamer-webrtc v0.12.2
[INFO] [stderr]    Compiling gstreamer-video v0.12.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling gstreamer-app v0.12.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-base-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-sdp-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-webrtc-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-video-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-app-sys v0.6.2
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr] error: failed to run custom build command for `gstreamer-sdp-sys v0.6.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-sdp-sys-5d089079456a9366/build-script-build` (exit code: 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 code: 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] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2414ae0f50840ee79fa33f4c60e790f90f72fde82097892c52ee195bf994ffd0"`
[INFO] running `"docker" "rm" "-f" "2414ae0f50840ee79fa33f4c60e790f90f72fde82097892c52ee195bf994ffd0"`
[INFO] [stdout] 2414ae0f50840ee79fa33f4c60e790f90f72fde82097892c52ee195bf994ffd0