[INFO] fetching crate rsvr_webrtc 0.0.1-alpha.0...
[INFO] testing rsvr_webrtc-0.0.1-alpha.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rsvr_webrtc 0.0.1-alpha.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate rsvr_webrtc 0.0.1-alpha.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded gobject-sys v0.7.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded muldiv v0.2.1
[INFO] [stderr]   Downloaded websocket v0.20.4
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded glib-sys v0.7.0
[INFO] [stderr]   Downloaded gstreamer-webrtc-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-video v0.12.2
[INFO] [stderr]   Downloaded gstreamer-video-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-base v0.12.2
[INFO] [stderr]   Downloaded gstreamer-app v0.12.2
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-sdp-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-sdp v0.12.2
[INFO] [stderr]   Downloaded gstreamer-webrtc v0.12.2
[INFO] [stderr]   Downloaded gstreamer-sys v0.6.2
[INFO] [stderr]   Downloaded glib v0.6.1
[INFO] [stderr]   Downloaded gstreamer v0.12.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3288279f42a18cc1f8ee2f3ceaf223dd9a4975bf392519626700f2268acec205
[INFO] running `Command { std: "docker" "start" "-a" "3288279f42a18cc1f8ee2f3ceaf223dd9a4975bf392519626700f2268acec205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3288279f42a18cc1f8ee2f3ceaf223dd9a4975bf392519626700f2268acec205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3288279f42a18cc1f8ee2f3ceaf223dd9a4975bf392519626700f2268acec205", kill_on_drop: false }`
[INFO] [stdout] 3288279f42a18cc1f8ee2f3ceaf223dd9a4975bf392519626700f2268acec205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03029d098f1b5f7dd44229007bb3acf0fe2462705e703cc710df1d870c2529d5
[INFO] running `Command { std: "docker" "start" "-a" "03029d098f1b5f7dd44229007bb3acf0fe2462705e703cc710df1d870c2529d5", 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 futures v0.1.31
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling gstreamer-sdp v0.12.2
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling gstreamer-webrtc v0.12.2
[INFO] [stderr]    Compiling gstreamer-video v0.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling gstreamer-app v0.12.2
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[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 openssl-sys v0.9.66
[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 base64 v0.9.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling mio v0.6.23
[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] 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-7a8d8660a368128c/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" "03029d098f1b5f7dd44229007bb3acf0fe2462705e703cc710df1d870c2529d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03029d098f1b5f7dd44229007bb3acf0fe2462705e703cc710df1d870c2529d5", kill_on_drop: false }`
[INFO] [stdout] 03029d098f1b5f7dd44229007bb3acf0fe2462705e703cc710df1d870c2529d5