Oct 12 23:03:38.813 INFO checking danielpclark/bench_ruby_ffi_example against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 23:03:38.815 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 23:03:39.351 INFO blam! 802df2d477628d8f87e37f1fbacdb736a7fab1506ef99ceda287bd5981c729e4
Oct 12 23:03:39.365 INFO running `"docker" "start" "-a" "802df2d477628d8f87e37f1fbacdb736a7fab1506ef99ceda287bd5981c729e4"`
Oct 12 23:03:41.076 INFO kablam! usermod: no changes
Oct 12 23:03:41.144 INFO kablam!    Compiling ruby-sys v0.2.20
Oct 12 23:03:41.148 INFO kablam!     Checking array_tool v0.4.1
Oct 12 23:03:43.385 INFO kablam!     Checking ruru v0.9.3
Oct 12 23:03:44.437 INFO kablam!     Checking ffi_example v0.0.1 (/source)
Oct 12 23:03:45.080 INFO kablam! warning: unused import: `self::array_tool::string::Squeeze`
Oct 12 23:03:45.080 INFO kablam!   --> src/lib.rs:11:7
Oct 12 23:03:45.080 INFO kablam!    |
Oct 12 23:03:45.080 INFO kablam! 11 |   use self::array_tool::string::Squeeze;
Oct 12 23:03:45.080 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:03:45.080 INFO kablam!    |
Oct 12 23:03:45.080 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 23:03:45.080 INFO kablam! 
Oct 12 23:03:45.100 INFO kablam! warning: unused import: `self::array_tool::string::Squeeze`
Oct 12 23:03:45.101 INFO kablam!   --> src/lib.rs:11:7
Oct 12 23:03:45.101 INFO kablam!    |
Oct 12 23:03:45.101 INFO kablam! 11 |   use self::array_tool::string::Squeeze;
Oct 12 23:03:45.101 INFO kablam!    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 23:03:45.101 INFO kablam!    |
Oct 12 23:03:45.102 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 23:03:45.102 INFO kablam! 
Oct 12 23:03:45.248 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
Oct 12 23:03:45.257 INFO kablam! su: No module specific data is present
Oct 12 23:03:45.917 INFO running `"docker" "rm" "-f" "802df2d477628d8f87e37f1fbacdb736a7fab1506ef99ceda287bd5981c729e4"`
Oct 12 23:03:46.227 INFO blam! 802df2d477628d8f87e37f1fbacdb736a7fab1506ef99ceda287bd5981c729e4