[INFO] updating cached repository danielpclark/bench_ruby_ffi_example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/danielpclark/bench_ruby_ffi_example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/danielpclark/bench_ruby_ffi_example" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/danielpclark/bench_ruby_ffi_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/danielpclark/bench_ruby_ffi_example"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of danielpclark/bench_ruby_ffi_example on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/danielpclark/bench_ruby_ffi_example/Cargo.toml
[INFO] crate danielpclark/bench_ruby_ffi_example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking danielpclark/bench_ruby_ffi_example against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 54d91cf9d7e5eecc8a12c18ff5cd9183eaa8cfba6262133a685d3d30ad95783f
[INFO] running `"docker" "start" "-a" "54d91cf9d7e5eecc8a12c18ff5cd9183eaa8cfba6262133a685d3d30ad95783f"`
[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 2.12s
[INFO] running `"docker" "inspect" "54d91cf9d7e5eecc8a12c18ff5cd9183eaa8cfba6262133a685d3d30ad95783f"`
[INFO] running `"docker" "rm" "-f" "54d91cf9d7e5eecc8a12c18ff5cd9183eaa8cfba6262133a685d3d30ad95783f"`
[INFO] [stdout] 54d91cf9d7e5eecc8a12c18ff5cd9183eaa8cfba6262133a685d3d30ad95783f