Dec 04 20:17:04.888 INFO checking danielpclark/bench_ruby_ffi_example against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:17:04.888 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 20:17:05.392 INFO [stdout] 5d2bf099dcb2f1196f977831b8bd009add0322be547baef7b19ad73496e3cfe5
Dec 04 20:17:05.395 INFO running `"docker" "start" "-a" "5d2bf099dcb2f1196f977831b8bd009add0322be547baef7b19ad73496e3cfe5"`
Dec 04 20:17:06.839 INFO [stderr] usermod: no changes
Dec 04 20:17:06.926 INFO [stderr]     Checking array_tool v0.4.1
Dec 04 20:17:06.935 INFO [stderr]     Checking ruby-sys v0.2.20
Dec 04 20:17:07.652 INFO [stderr]     Checking ruru v0.9.3
Dec 04 20:17:08.499 INFO [stderr]     Checking ffi_example v0.0.1 (/source)
Dec 04 20:17:09.011 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 04 20:17:09.011 INFO [stderr]   --> src/lib.rs:11:7
Dec 04 20:17:09.011 INFO [stderr]    |
Dec 04 20:17:09.011 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 04 20:17:09.011 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:17:09.011 INFO [stderr]    |
Dec 04 20:17:09.011 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:17:09.011 INFO [stderr] 
Dec 04 20:17:09.213 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 04 20:17:09.214 INFO [stderr]   --> src/lib.rs:11:7
Dec 04 20:17:09.214 INFO [stderr]    |
Dec 04 20:17:09.214 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 04 20:17:09.215 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:17:09.215 INFO [stderr]    |
Dec 04 20:17:09.215 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 20:17:09.215 INFO [stderr] 
Dec 04 20:17:09.363 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
Dec 04 20:17:09.367 INFO [stderr] su: No module specific data is present
Dec 04 20:17:10.615 INFO running `"docker" "inspect" "5d2bf099dcb2f1196f977831b8bd009add0322be547baef7b19ad73496e3cfe5"`
Dec 04 20:17:10.949 INFO running `"docker" "rm" "-f" "5d2bf099dcb2f1196f977831b8bd009add0322be547baef7b19ad73496e3cfe5"`
Dec 04 20:17:11.198 INFO [stdout] 5d2bf099dcb2f1196f977831b8bd009add0322be547baef7b19ad73496e3cfe5