[INFO] fetching crate scribl 0.3.2...
[INFO] testing scribl-0.3.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate scribl 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate scribl 0.3.2
[INFO] finished tweaking crates.io crate scribl 0.3.2
[INFO] tweaked toml for crates.io crate scribl 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scribl 0.3.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scribl 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03a882b3f038f64c52c8eb9db23671ed5778d22f95f94b332ab9c4f0b572ee11
[INFO] running `Command { std: "docker" "start" "-a" "03a882b3f038f64c52c8eb9db23671ed5778d22f95f94b332ab9c4f0b572ee11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a882b3f038f64c52c8eb9db23671ed5778d22f95f94b332ab9c4f0b572ee11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a882b3f038f64c52c8eb9db23671ed5778d22f95f94b332ab9c4f0b572ee11", kill_on_drop: false }`
[INFO] [stdout] 03a882b3f038f64c52c8eb9db23671ed5778d22f95f94b332ab9c4f0b572ee11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0474049c2669216b4d5d04e1b53ad6c8f8f15f2ed40f0433e7d2ab83677c91b0
[INFO] running `Command { std: "docker" "start" "-a" "0474049c2669216b4d5d04e1b53ad6c8f8f15f2ed40f0433e7d2ab83677c91b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling tinystr v0.3.4
[INFO] [stderr]    Compiling unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling unic-bidi v0.9.0
[INFO] [stderr]    Compiling unic-langid v0.9.0
[INFO] [stderr]    Compiling kurbo v0.7.1
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gstreamer v0.16.7
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling xi-unicode v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling muldiv v0.2.1
[INFO] [stderr]    Compiling type-map v0.4.0
[INFO] [stderr]    Compiling piet v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gstreamer-base v0.16.5
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling intl-memoizer v0.5.1
[INFO] [stderr]    Compiling intl_pluralrules v7.0.1
[INFO] [stderr]    Compiling fluent-langneg v0.13.0
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling keyboard-types v0.5.0
[INFO] [stderr]    Compiling fluent-syntax v0.9.3
[INFO] [stderr]    Compiling simple_logger v1.12.1
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ebur128 v0.1.6
[INFO] [stderr]    Compiling gstreamer-video v0.16.7
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling gstreamer-app v0.16.5
[INFO] [stderr]    Compiling gstreamer-audio v0.16.7
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling pkg-version-impl v0.1.1
[INFO] [stderr]    Compiling rustfft v5.1.1
[INFO] [stderr]    Compiling dasp_frame v0.11.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling array-init v1.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling pkg-version v1.0.0
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling druid-derive v0.4.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling nnnoiseless v0.3.2
[INFO] [stderr]    Compiling rental v0.5.6
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling fluent-bundle v0.12.0
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-sys v0.9.1
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.9.1
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.9.1
[INFO] [stderr]    Compiling gstreamer-app-sys v0.9.1
[INFO] [stderr]    Compiling gstreamer-video-sys v0.9.1
[INFO] [stderr] error: failed to run custom build command for `gstreamer-video-sys v0.9.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-video-sys-41c321e8a9ebfd99/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_VIDEO_1.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_VIDEO_1.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_VIDEO_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_ALLOW_SYSTEM_CFLAGS="1" "pkg-config" "--libs" "--cflags" "gstreamer-video-1.0" "gstreamer-video-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-video-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-video-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   Package 'gstreamer-video-1.0', required by 'virtual:world', not found
[INFO] [stderr]   Package 'gstreamer-video-1.0', required by 'virtual:world', not found
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `gstreamer-audio-sys v0.9.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-audio-sys-602f9e5a38408834/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_AUDIO_1.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_AUDIO_1.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_AUDIO_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_ALLOW_SYSTEM_CFLAGS="1" "pkg-config" "--libs" "--cflags" "gstreamer-audio-1.0" "gstreamer-audio-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-audio-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-audio-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   Package 'gstreamer-audio-1.0', required by 'virtual:world', not found
[INFO] [stderr]   Package 'gstreamer-audio-1.0', required by 'virtual:world', not found
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `gstreamer-app-sys v0.9.1`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-app-sys-fee04b0301b2caf9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_APP_1.0_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_APP_1.0_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=GSTREAMER_APP_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_ALLOW_SYSTEM_CFLAGS="1" "pkg-config" "--libs" "--cflags" "gstreamer-app-1.0" "gstreamer-app-1.0 >= 1.8"` did not exit successfully: exit status: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-app-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-app-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   Package 'gstreamer-app-1.0', required by 'virtual:world', not found
[INFO] [stderr]   Package 'gstreamer-app-1.0', required by 'virtual:world', not found
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "0474049c2669216b4d5d04e1b53ad6c8f8f15f2ed40f0433e7d2ab83677c91b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0474049c2669216b4d5d04e1b53ad6c8f8f15f2ed40f0433e7d2ab83677c91b0", kill_on_drop: false }`
[INFO] [stdout] 0474049c2669216b4d5d04e1b53ad6c8f8f15f2ed40f0433e7d2ab83677c91b0
