Sep 04 22:56:56.347 INFO checking blit-0.5.4 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 22:56:56.347 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 22:56:56.347 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:56:56.506 INFO blam! fc8a3f6aeb775256e1168a7993dad4d03b73a86dd748c87d9feea7f678ba2d88
Sep 04 22:56:56.507 INFO running `"docker" "start" "-a" "fc8a3f6aeb775256e1168a7993dad4d03b73a86dd748c87d9feea7f678ba2d88"`
Sep 04 22:56:57.274 INFO kablam!     Checking blit v0.5.4 (file:///source)
Sep 04 22:57:08.126 INFO kablam! warning: unused variable: `blit_buf`
Sep 04 22:57:08.127 INFO kablam!   --> examples/smiley.rs:39:9
Sep 04 22:57:08.127 INFO kablam!    |
Sep 04 22:57:08.127 INFO kablam! 39 |     let blit_buf = rgb.to_blit_buffer(Color::from_u32(MASK_COLOR));
Sep 04 22:57:08.127 INFO kablam!    |         ^^^^^^^^ help: consider using `_blit_buf` instead
Sep 04 22:57:08.127 INFO kablam!    |
Sep 04 22:57:08.127 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 04 22:57:08.127 INFO kablam! 
Sep 04 22:57:08.255 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.18s
Sep 04 22:57:08.269 INFO kablam! su: No module specific data is present
Sep 04 22:57:08.743 INFO running `"docker" "rm" "-f" "fc8a3f6aeb775256e1168a7993dad4d03b73a86dd748c87d9feea7f678ba2d88"`
Sep 04 22:57:08.872 INFO blam! fc8a3f6aeb775256e1168a7993dad4d03b73a86dd748c87d9feea7f678ba2d88