Dec 18 01:49:11.382 INFO checking danielpclark/bench_ruby_ffi_example against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 01:49:11.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:49:11.854 INFO [stdout] 1f3628fd10cf863a9b1e15411d2cc58bb46947cc00f5b2a08d98f4fd01d400ee
Dec 18 01:49:11.858 INFO running `"docker" "start" "-a" "1f3628fd10cf863a9b1e15411d2cc58bb46947cc00f5b2a08d98f4fd01d400ee"`
Dec 18 01:49:14.077 INFO [stderr]     Checking array_tool v0.4.1
Dec 18 01:49:14.077 INFO [stderr]     Checking ruby-sys v0.2.20
Dec 18 01:49:14.606 INFO [stderr]     Checking ruru v0.9.3
Dec 18 01:49:15.334 INFO [stderr]     Checking ffi_example v0.0.1 (/opt/crater/workdir)
Dec 18 01:49:15.724 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 18 01:49:15.725 INFO [stderr]   --> src/lib.rs:11:7
Dec 18 01:49:15.725 INFO [stderr]    |
Dec 18 01:49:15.725 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 18 01:49:15.725 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:49:15.725 INFO [stderr]    |
Dec 18 01:49:15.725 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:49:15.725 INFO [stderr] 
Dec 18 01:49:15.760 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 18 01:49:15.760 INFO [stderr]   --> src/lib.rs:11:7
Dec 18 01:49:15.761 INFO [stderr]    |
Dec 18 01:49:15.761 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 18 01:49:15.761 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:49:15.761 INFO [stderr]    |
Dec 18 01:49:15.761 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:49:15.761 INFO [stderr] 
Dec 18 01:49:15.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 18 01:49:17.624 INFO running `"docker" "inspect" "1f3628fd10cf863a9b1e15411d2cc58bb46947cc00f5b2a08d98f4fd01d400ee"`
Dec 18 01:49:17.970 INFO running `"docker" "rm" "-f" "1f3628fd10cf863a9b1e15411d2cc58bb46947cc00f5b2a08d98f4fd01d400ee"`
Dec 18 01:49:18.295 INFO [stdout] 1f3628fd10cf863a9b1e15411d2cc58bb46947cc00f5b2a08d98f4fd01d400ee