[INFO] crate freetype-gl-sys 0.1.2 is already in cache
[INFO] extracting crate freetype-gl-sys 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-gl-sys/0.1.2
[INFO] extracting crate freetype-gl-sys 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-gl-sys/0.1.2
[INFO] validating manifest of freetype-gl-sys-0.1.2 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 freetype-gl-sys-0.1.2 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 freetype-gl-sys-0.1.2
[INFO] finished frobbing freetype-gl-sys-0.1.2
[INFO] frobbed toml for freetype-gl-sys-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-gl-sys/0.1.2/Cargo.toml
[INFO] started frobbing freetype-gl-sys-0.1.2
[INFO] finished frobbing freetype-gl-sys-0.1.2
[INFO] frobbed toml for freetype-gl-sys-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-gl-sys/0.1.2/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] 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] testing freetype-gl-sys-0.1.2 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-gl-sys/0.1.2:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7025d4bc5845011137e670ff6af6ff709f44dc3f0c02c7a7b093b9fb224a8335
[INFO] running `"docker" "start" "-a" "7025d4bc5845011137e670ff6af6ff709f44dc3f0c02c7a7b093b9fb224a8335"`
[INFO] [stderr]    Compiling zlib-src-sys v0.1.2
[INFO] [stderr]    Compiling freetype-src-sys v0.1.5
[INFO] [stderr]    Compiling freetype-gl-sys v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fs::remove_dir_all(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> build.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fs::create_dir(&build_dir).is_ok();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `"docker" "inspect" "7025d4bc5845011137e670ff6af6ff709f44dc3f0c02c7a7b093b9fb224a8335"`
[INFO] running `"docker" "rm" "-f" "7025d4bc5845011137e670ff6af6ff709f44dc3f0c02c7a7b093b9fb224a8335"`
[INFO] [stdout] 7025d4bc5845011137e670ff6af6ff709f44dc3f0c02c7a7b093b9fb224a8335
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-gl-sys/0.1.2:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91d7cc3feaeda845eeaf4bebc9502a10640295bf66036ebd139bfff7db11bb62
[INFO] running `"docker" "start" "-a" "91d7cc3feaeda845eeaf4bebc9502a10640295bf66036ebd139bfff7db11bb62"`
[INFO] [stderr]    Compiling freetype-gl-sys v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "91d7cc3feaeda845eeaf4bebc9502a10640295bf66036ebd139bfff7db11bb62"`
[INFO] running `"docker" "rm" "-f" "91d7cc3feaeda845eeaf4bebc9502a10640295bf66036ebd139bfff7db11bb62"`
[INFO] [stdout] 91d7cc3feaeda845eeaf4bebc9502a10640295bf66036ebd139bfff7db11bb62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-gl-sys/0.1.2:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c91b643f7f24b163c45f6f0ef5c724b84f897e5326d8651f18a17732a94960f1
[INFO] running `"docker" "start" "-a" "c91b643f7f24b163c45f6f0ef5c724b84f897e5326d8651f18a17732a94960f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/freetype_gl_sys-5a4956b5e208fe10
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests freetype-gl-sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c91b643f7f24b163c45f6f0ef5c724b84f897e5326d8651f18a17732a94960f1"`
[INFO] running `"docker" "rm" "-f" "c91b643f7f24b163c45f6f0ef5c724b84f897e5326d8651f18a17732a94960f1"`
[INFO] [stdout] c91b643f7f24b163c45f6f0ef5c724b84f897e5326d8651f18a17732a94960f1