[INFO] cloning repository timelens/timelens
[INFO] running `"git" "clone" "--bare" "git://github.com/timelens/timelens.git" "work/cache/sources/gh/timelens/timelens"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/timelens/timelens'...
[INFO] running `"git" "clone" "work/cache/sources/gh/timelens/timelens" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/timelens/timelens"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/timelens/timelens'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/timelens/timelens" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/timelens/timelens"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/timelens/timelens'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2427477398cb5797e614b517e9b3e09ebb198024
[INFO] sha for GitHub repo timelens/timelens: 2427477398cb5797e614b517e9b3e09ebb198024
[INFO] validating manifest of timelens/timelens on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of timelens/timelens on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing timelens/timelens
[INFO] finished frobbing timelens/timelens
[INFO] frobbed toml for timelens/timelens written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/timelens/timelens/Cargo.toml
[INFO] started frobbing timelens/timelens
[INFO] finished frobbing timelens/timelens
[INFO] frobbed toml for timelens/timelens written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/timelens/timelens/Cargo.toml
[INFO] crate timelens/timelens already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gstreamer-app v0.12.2
[INFO] [stderr]   Downloaded gstreamer-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-app-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer-base v0.12.2
[INFO] [stderr]   Downloaded gstreamer-base-sys v0.6.2
[INFO] [stderr]   Downloaded gstreamer v0.12.2
[INFO] [stderr]   Downloaded assert_cmd v0.11.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking timelens/timelens against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/timelens/timelens:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d601de7ba37fe44a17819a107f4d5d79349122fc22fb27758f54363cbb3ffa2e
[INFO] running `"docker" "start" "-a" "d601de7ba37fe44a17819a107f4d5d79349122fc22fb27758f54363cbb3ffa2e"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling gstreamer v0.12.2
[INFO] [stderr]    Compiling gstreamer-base v0.12.2
[INFO] [stderr]     Checking muldiv v0.2.0
[INFO] [stderr]    Compiling gstreamer-app v0.12.2
[INFO] [stderr]    Compiling gstreamer-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-base-sys v0.6.2
[INFO] [stderr]    Compiling gstreamer-app-sys v0.6.2
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking glib-sys v0.7.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr] error: failed to run custom build command for `gstreamer-app-sys v0.6.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/gstreamer-app-sys-eabd77d32000b203/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "gstreamer-app-1.0 >= 1.8"` did not exit successfully: exit code: 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] No package 'gstreamer-app-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" "d601de7ba37fe44a17819a107f4d5d79349122fc22fb27758f54363cbb3ffa2e"`
[INFO] running `"docker" "rm" "-f" "d601de7ba37fe44a17819a107f4d5d79349122fc22fb27758f54363cbb3ffa2e"`
[INFO] [stdout] d601de7ba37fe44a17819a107f4d5d79349122fc22fb27758f54363cbb3ffa2e