[INFO] cloning repository danielpclark/bench_ruby_ffi_example
[INFO] running `"git" "clone" "--bare" "git://github.com/danielpclark/bench_ruby_ffi_example.git" "work/cache/sources/gh/danielpclark/bench_ruby_ffi_example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/danielpclark/bench_ruby_ffi_example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/danielpclark/bench_ruby_ffi_example" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/danielpclark/bench_ruby_ffi_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/danielpclark/bench_ruby_ffi_example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/danielpclark/bench_ruby_ffi_example" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/danielpclark/bench_ruby_ffi_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/danielpclark/bench_ruby_ffi_example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f8fae8311f8d69695d428e538201c98ba2c67c2
[INFO] sha for GitHub repo danielpclark/bench_ruby_ffi_example: 2f8fae8311f8d69695d428e538201c98ba2c67c2
[INFO] validating manifest of danielpclark/bench_ruby_ffi_example on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of danielpclark/bench_ruby_ffi_example on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing danielpclark/bench_ruby_ffi_example
[INFO] finished frobbing danielpclark/bench_ruby_ffi_example
[INFO] frobbed toml for danielpclark/bench_ruby_ffi_example written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/danielpclark/bench_ruby_ffi_example/Cargo.toml
[INFO] started frobbing danielpclark/bench_ruby_ffi_example
[INFO] finished frobbing danielpclark/bench_ruby_ffi_example
[INFO] frobbed toml for danielpclark/bench_ruby_ffi_example written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/danielpclark/bench_ruby_ffi_example/Cargo.toml
[INFO] crate danielpclark/bench_ruby_ffi_example has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array_tool v0.4.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking danielpclark/bench_ruby_ffi_example against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-5/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/danielpclark/bench_ruby_ffi_example:/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=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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f666c9e988e7da72506cb7de11b978a095b1a4a890d611ed8a46567a1e2ba51d
[INFO] running `"docker" "start" "-a" "f666c9e988e7da72506cb7de11b978a095b1a4a890d611ed8a46567a1e2ba51d"`
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]     Checking array_tool v0.4.1
[INFO] [stderr]     Checking ruru v0.9.3
[INFO] [stderr]     Checking ffi_example v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `self::array_tool::string::Squeeze`
[INFO] [stderr]   --> src/lib.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |   use self::array_tool::string::Squeeze;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::array_tool::string::Squeeze`
[INFO] [stderr]   --> src/lib.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |   use self::array_tool::string::Squeeze;
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `"docker" "inspect" "f666c9e988e7da72506cb7de11b978a095b1a4a890d611ed8a46567a1e2ba51d"`
[INFO] running `"docker" "rm" "-f" "f666c9e988e7da72506cb7de11b978a095b1a4a890d611ed8a46567a1e2ba51d"`
[INFO] [stdout] f666c9e988e7da72506cb7de11b978a095b1a4a890d611ed8a46567a1e2ba51d