[INFO] fetching crate rsvr_webrtc 0.0.1-alpha.0...
[INFO] checking rsvr_webrtc-0.0.1-alpha.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate rsvr_webrtc 0.0.1-alpha.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rsvr_webrtc 0.0.1-alpha.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2414d2c0313c7e0deed188ed4c09249bcf50f8f2a1c03244ca17ca771f94d874
[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" "2414d2c0313c7e0deed188ed4c09249bcf50f8f2a1c03244ca17ca771f94d874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2414d2c0313c7e0deed188ed4c09249bcf50f8f2a1c03244ca17ca771f94d874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2414d2c0313c7e0deed188ed4c09249bcf50f8f2a1c03244ca17ca771f94d874", kill_on_drop: false }`
[INFO] [stdout] 2414d2c0313c7e0deed188ed4c09249bcf50f8f2a1c03244ca17ca771f94d874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 6ae3b7cf2f893597dc2eccf8f66d08d68b3d42d9b831177deaedcec1482d05e9
[INFO] running `Command { std: "docker" "start" "-a" "6ae3b7cf2f893597dc2eccf8f66d08d68b3d42d9b831177deaedcec1482d05e9", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking muldiv v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gstreamer-sdp v0.12.2
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling gstreamer-app v0.12.2
[INFO] [stderr]    Compiling gstreamer-video v0.12.2
[INFO] [stderr]    Compiling gstreamer-webrtc v0.12.2
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking itoa v0.4.7
[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]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling gstreamer-sdp-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-webrtc-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-app-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-video-sys v0.6.2
[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]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[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-d53ce98e03748863/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_SDP_1.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_SDP_1.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_SDP_1.0_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[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" "6ae3b7cf2f893597dc2eccf8f66d08d68b3d42d9b831177deaedcec1482d05e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae3b7cf2f893597dc2eccf8f66d08d68b3d42d9b831177deaedcec1482d05e9", kill_on_drop: false }`
[INFO] [stdout] 6ae3b7cf2f893597dc2eccf8f66d08d68b3d42d9b831177deaedcec1482d05e9