Dec 13 22:24:45.941 INFO testing danielpclark/bench_ruby_ffi_example against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 22:24:45.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 13 22:24:46.311 INFO [stdout] 8f6df0de349b8736a3881dc19fa15684fe0267b32a1c980195f5d6561361d035
Dec 13 22:24:46.313 INFO running `"docker" "start" "-a" "8f6df0de349b8736a3881dc19fa15684fe0267b32a1c980195f5d6561361d035"`
Dec 13 22:24:46.933 INFO [stderr] usermod: no changes
Dec 13 22:24:46.990 INFO [stderr]    Compiling ruby-sys v0.2.20
Dec 13 22:24:46.995 INFO [stderr]    Compiling array_tool v0.4.1
Dec 13 22:24:49.344 INFO [stderr]    Compiling ruru v0.9.3
Dec 13 22:24:50.656 INFO [stderr]    Compiling ffi_example v0.0.1 (/source)
Dec 13 22:24:51.132 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 13 22:24:51.132 INFO [stderr]   --> src/lib.rs:11:7
Dec 13 22:24:51.132 INFO [stderr]    |
Dec 13 22:24:51.132 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 13 22:24:51.132 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:24:51.132 INFO [stderr]    |
Dec 13 22:24:51.132 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 22:24:51.132 INFO [stderr] 
Dec 13 22:24:52.021 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Dec 13 22:24:52.028 INFO [stderr] su: No module specific data is present
Dec 13 22:24:52.799 INFO running `"docker" "inspect" "8f6df0de349b8736a3881dc19fa15684fe0267b32a1c980195f5d6561361d035"`
Dec 13 22:24:53.311 INFO running `"docker" "rm" "-f" "8f6df0de349b8736a3881dc19fa15684fe0267b32a1c980195f5d6561361d035"`
Dec 13 22:24:53.679 INFO [stdout] 8f6df0de349b8736a3881dc19fa15684fe0267b32a1c980195f5d6561361d035
Dec 13 22:24:53.685 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 13 22:24:54.074 INFO [stdout] 58f80a9f9be581956173bed0413d16779b51205a5e4445c240378bb77502ea6d
Dec 13 22:24:54.085 INFO running `"docker" "start" "-a" "58f80a9f9be581956173bed0413d16779b51205a5e4445c240378bb77502ea6d"`
Dec 13 22:24:55.162 INFO [stderr] usermod: no changes
Dec 13 22:24:55.275 INFO [stderr]    Compiling ffi_example v0.0.1 (/source)
Dec 13 22:24:55.927 INFO [stderr] warning: unused import: `self::array_tool::string::Squeeze`
Dec 13 22:24:55.927 INFO [stderr]   --> src/lib.rs:11:7
Dec 13 22:24:55.927 INFO [stderr]    |
Dec 13 22:24:55.927 INFO [stderr] 11 |   use self::array_tool::string::Squeeze;
Dec 13 22:24:55.927 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:24:55.927 INFO [stderr]    |
Dec 13 22:24:55.927 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 22:24:55.927 INFO [stderr] 
Dec 13 22:24:56.703 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Dec 13 22:24:56.707 INFO [stderr] su: No module specific data is present
Dec 13 22:24:57.515 INFO running `"docker" "inspect" "58f80a9f9be581956173bed0413d16779b51205a5e4445c240378bb77502ea6d"`
Dec 13 22:24:57.795 INFO running `"docker" "rm" "-f" "58f80a9f9be581956173bed0413d16779b51205a5e4445c240378bb77502ea6d"`
Dec 13 22:24:57.926 INFO [stdout] 58f80a9f9be581956173bed0413d16779b51205a5e4445c240378bb77502ea6d
Dec 13 22:24:57.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 13 22:24:58.311 INFO [stdout] 5ffea5fc01e44f1505c14e92d4d67fab819d74a5783887e2cbfab82e227dc0a7
Dec 13 22:24:58.313 INFO running `"docker" "start" "-a" "5ffea5fc01e44f1505c14e92d4d67fab819d74a5783887e2cbfab82e227dc0a7"`
Dec 13 22:24:58.760 INFO [stderr] usermod: no changes
Dec 13 22:24:58.802 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 22:24:58.806 INFO [stderr]      Running /target/debug/deps/ffi_example-6df14cfe8385123e
Dec 13 22:24:58.808 INFO [stdout] 
Dec 13 22:24:58.808 INFO [stdout] running 0 tests
Dec 13 22:24:58.808 INFO [stdout] 
Dec 13 22:24:58.808 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:24:58.808 INFO [stdout] 
Dec 13 22:24:58.809 INFO [stderr] su: No module specific data is present
Dec 13 22:24:59.095 INFO running `"docker" "inspect" "5ffea5fc01e44f1505c14e92d4d67fab819d74a5783887e2cbfab82e227dc0a7"`
Dec 13 22:24:59.251 INFO running `"docker" "rm" "-f" "5ffea5fc01e44f1505c14e92d4d67fab819d74a5783887e2cbfab82e227dc0a7"`
Dec 13 22:24:59.574 INFO [stdout] 5ffea5fc01e44f1505c14e92d4d67fab819d74a5783887e2cbfab82e227dc0a7