[INFO] crate freetype-src-sys 0.1.5 is already in cache
[INFO] extracting crate freetype-src-sys 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-src-sys/0.1.5
[INFO] extracting crate freetype-src-sys 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-src-sys/0.1.5
[INFO] validating manifest of freetype-src-sys-0.1.5 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-src-sys-0.1.5 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-src-sys-0.1.5
[INFO] finished frobbing freetype-src-sys-0.1.5
[INFO] frobbed toml for freetype-src-sys-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-src-sys/0.1.5/Cargo.toml
[INFO] started frobbing freetype-src-sys-0.1.5
[INFO] finished frobbing freetype-src-sys-0.1.5
[INFO] frobbed toml for freetype-src-sys-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/freetype-src-sys/0.1.5/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-src-sys-0.1.5 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-src-sys/0.1.5:/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] e36383f7a905617e3c9587875d9132ce446bb66806177e3e1d31be2069c2a898
[INFO] running `"docker" "start" "-a" "e36383f7a905617e3c9587875d9132ce446bb66806177e3e1d31be2069c2a898"`
[INFO] [stderr]    Compiling zlib-src-sys v0.1.2
[INFO] [stderr]    Compiling freetype-src-sys v0.1.5 (/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:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             fs::create_dir(freetype_native_dir.join("objs")).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:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             fs::create_dir(freetype_native_dir.join("objs")).is_ok();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "e36383f7a905617e3c9587875d9132ce446bb66806177e3e1d31be2069c2a898"`
[INFO] running `"docker" "rm" "-f" "e36383f7a905617e3c9587875d9132ce446bb66806177e3e1d31be2069c2a898"`
[INFO] [stdout] e36383f7a905617e3c9587875d9132ce446bb66806177e3e1d31be2069c2a898
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-src-sys/0.1.5:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3dad73186ca39e2b21d17b190a43399057ea87ca4a7df1cbee6239dc3a384cc5
[INFO] running `"docker" "start" "-a" "3dad73186ca39e2b21d17b190a43399057ea87ca4a7df1cbee6239dc3a384cc5"`
[INFO] [stderr]    Compiling freetype-src-sys v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "3dad73186ca39e2b21d17b190a43399057ea87ca4a7df1cbee6239dc3a384cc5"`
[INFO] running `"docker" "rm" "-f" "3dad73186ca39e2b21d17b190a43399057ea87ca4a7df1cbee6239dc3a384cc5"`
[INFO] [stdout] 3dad73186ca39e2b21d17b190a43399057ea87ca4a7df1cbee6239dc3a384cc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/freetype-src-sys/0.1.5:/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" "test" "--frozen"`
[INFO] [stdout] c07dd22866beea03d91f48161ce469f90c4692231acf6aea42acf5f2fbaf6f66
[INFO] running `"docker" "start" "-a" "c07dd22866beea03d91f48161ce469f90c4692231acf6aea42acf5f2fbaf6f66"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/freetype_sys-71c1ee303ecc2f51
[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_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" "c07dd22866beea03d91f48161ce469f90c4692231acf6aea42acf5f2fbaf6f66"`
[INFO] running `"docker" "rm" "-f" "c07dd22866beea03d91f48161ce469f90c4692231acf6aea42acf5f2fbaf6f66"`
[INFO] [stdout] c07dd22866beea03d91f48161ce469f90c4692231acf6aea42acf5f2fbaf6f66