[INFO] fetching crate gst-plugin-fallbackswitch 0.8.1...
[INFO] testing gst-plugin-fallbackswitch-0.8.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate gst-plugin-fallbackswitch 0.8.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gst-plugin-fallbackswitch 0.8.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-fallbackswitch 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gst-plugin-fallbackswitch 0.8.1
[INFO] tweaked toml for crates.io crate gst-plugin-fallbackswitch 0.8.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-fallbackswitch 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] 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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5434918f50f048ba2e90827d7739f16fe08c82dfd6ffe5895cebab38a29373
[INFO] running `Command { std: "docker" "start" "-a" "6f5434918f50f048ba2e90827d7739f16fe08c82dfd6ffe5895cebab38a29373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5434918f50f048ba2e90827d7739f16fe08c82dfd6ffe5895cebab38a29373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5434918f50f048ba2e90827d7739f16fe08c82dfd6ffe5895cebab38a29373", kill_on_drop: false }`
[INFO] [stdout] 6f5434918f50f048ba2e90827d7739f16fe08c82dfd6ffe5895cebab38a29373
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5eec75a9a9ce3d0977fc772ad4f0fad9dc1f2abaa8cdb469aca1eb94fcdd47
[INFO] running `Command { std: "docker" "start" "-a" "fa5eec75a9a9ce3d0977fc772ad4f0fad9dc1f2abaa8cdb469aca1eb94fcdd47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling muldiv v1.0.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling system-deps v6.0.1
[INFO] [stderr]    Compiling option-operations v0.4.0
[INFO] [stderr]    Compiling glib-macros v0.15.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling glib-sys v0.15.4
[INFO] [stderr]    Compiling gobject-sys v0.15.1
[INFO] [stderr]    Compiling gstreamer-sys v0.18.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.18.0
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.18.3
[INFO] [stderr]    Compiling gstreamer-video-sys v0.18.3
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: `"pkg-config" "--libs" "--cflags" "gstreamer-base-1.0" "gstreamer-base-1.0 >= 1.18"` did not exit successfully: exit status: 1
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `gstreamer-base-sys v0.18.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-base-sys-4af8c4d431e06c84/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_BASE_1.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[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]   cargo:warning=`"pkg-config" "--libs" "--cflags" "gstreamer-base-1.0" "gstreamer-base-1.0 >= 1.18"` did not exit successfully: exit status: 1
[INFO] [stderr]   error: could not find system library 'gstreamer-base-1.0' required by the 'gstreamer-base-sys' crate
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Requested 'gstreamer-base-1.0 >= 1.18' but version of GStreamer base classes is 1.16.2
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fa5eec75a9a9ce3d0977fc772ad4f0fad9dc1f2abaa8cdb469aca1eb94fcdd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5eec75a9a9ce3d0977fc772ad4f0fad9dc1f2abaa8cdb469aca1eb94fcdd47", kill_on_drop: false }`
[INFO] [stdout] fa5eec75a9a9ce3d0977fc772ad4f0fad9dc1f2abaa8cdb469aca1eb94fcdd47