[INFO] fetching crate ostree-sys 0.4.0...
[INFO] extracting crate ostree-sys 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ostree-sys/0.4.0
[INFO] extracting crate ostree-sys 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ostree-sys/0.4.0
[INFO] validating manifest of ostree-sys-0.4.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ostree-sys-0.4.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ostree-sys-0.4.0
[INFO] finished frobbing ostree-sys-0.4.0
[INFO] frobbed toml for ostree-sys-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ostree-sys/0.4.0/Cargo.toml
[INFO] started frobbing ostree-sys-0.4.0
[INFO] finished frobbing ostree-sys-0.4.0
[INFO] frobbed toml for ostree-sys-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ostree-sys/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ostree-sys-0.4.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ostree-sys/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] feed9ab96d7e4cba0cf7d3bb5e9971d776fa3857fcd1d8002f8b977812863254
[INFO] running `"docker" "start" "-a" "feed9ab96d7e4cba0cf7d3bb5e9971d776fa3857fcd1d8002f8b977812863254"`
[INFO] [stderr]    Compiling glib-sys v0.9.0
[INFO] [stderr]    Compiling gobject-sys v0.9.0
[INFO] [stderr]    Compiling gio-sys v0.9.0
[INFO] [stderr]    Compiling ostree-sys v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `ostree-sys v0.4.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/ostree-sys-df620057295e86e6/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "ostree-1" "ostree-1 >= 0.0"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Package ostree-1 was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `ostree-1.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'ostree-1' found
[INFO] [stderr] Package ostree-1 was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `ostree-1.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'ostree-1' 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" "feed9ab96d7e4cba0cf7d3bb5e9971d776fa3857fcd1d8002f8b977812863254"`
[INFO] running `"docker" "rm" "-f" "feed9ab96d7e4cba0cf7d3bb5e9971d776fa3857fcd1d8002f8b977812863254"`
[INFO] [stdout] feed9ab96d7e4cba0cf7d3bb5e9971d776fa3857fcd1d8002f8b977812863254