[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-1.38-1/sources/1.37.0/reg/freetype-src-sys/0.1.5
[INFO] extracting crate freetype-src-sys 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/freetype-src-sys/0.1.5
[INFO] validating manifest of freetype-src-sys-0.1.5 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of freetype-src-sys-0.1.5 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/freetype-src-sys/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing freetype-src-sys-0.1.5 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 16298867db95d7403e5d81cb15a13493006df4cde29eedb06937d5a5304aa176
[INFO] running `"docker" "start" "-a" "16298867db95d7403e5d81cb15a13493006df4cde29eedb06937d5a5304aa176"`
[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 5.87s
[INFO] running `"docker" "inspect" "16298867db95d7403e5d81cb15a13493006df4cde29eedb06937d5a5304aa176"`
[INFO] running `"docker" "rm" "-f" "16298867db95d7403e5d81cb15a13493006df4cde29eedb06937d5a5304aa176"`
[INFO] [stdout] 16298867db95d7403e5d81cb15a13493006df4cde29eedb06937d5a5304aa176
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 45c090a5afd04b2d8ef29703dd80b1263374b84dfe2d5e1e657d1d1936e856f8
[INFO] running `"docker" "start" "-a" "45c090a5afd04b2d8ef29703dd80b1263374b84dfe2d5e1e657d1d1936e856f8"`
[INFO] [stderr]    Compiling freetype-src-sys v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "45c090a5afd04b2d8ef29703dd80b1263374b84dfe2d5e1e657d1d1936e856f8"`
[INFO] running `"docker" "rm" "-f" "45c090a5afd04b2d8ef29703dd80b1263374b84dfe2d5e1e657d1d1936e856f8"`
[INFO] [stdout] 45c090a5afd04b2d8ef29703dd80b1263374b84dfe2d5e1e657d1d1936e856f8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 52c453f645f72a7e3f064a28aaf355921f6d0b01a808e61ff3078a95b7d9db8b
[INFO] running `"docker" "start" "-a" "52c453f645f72a7e3f064a28aaf355921f6d0b01a808e61ff3078a95b7d9db8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/freetype_sys-d6924c3c4cb0d0bc
[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" "52c453f645f72a7e3f064a28aaf355921f6d0b01a808e61ff3078a95b7d9db8b"`
[INFO] running `"docker" "rm" "-f" "52c453f645f72a7e3f064a28aaf355921f6d0b01a808e61ff3078a95b7d9db8b"`
[INFO] [stdout] 52c453f645f72a7e3f064a28aaf355921f6d0b01a808e61ff3078a95b7d9db8b