Sep 04 17:34:42.570 INFO checking fn_block-0.2.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893 Sep 04 17:34:42.570 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets Sep 04 17:34:42.570 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 17:34:42.802 INFO blam! 6253810cc38826bd7f8e05367b77f27a8cf61c7e7bbf66ecfb5b0edc01f3f7b1 Sep 04 17:34:42.804 INFO running `"docker" "start" "-a" "6253810cc38826bd7f8e05367b77f27a8cf61c7e7bbf66ecfb5b0edc01f3f7b1"` Sep 04 17:34:43.904 INFO kablam! Checking fn_block v0.2.1 (file:///source) Sep 04 17:34:48.182 INFO kablam! warning: unused variable: `s` Sep 04 17:34:48.183 INFO kablam! --> benches/fn_block_benchmark.rs:10:9 Sep 04 17:34:48.183 INFO kablam! | Sep 04 17:34:48.183 INFO kablam! 10 | let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase()); Sep 04 17:34:48.183 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:48.183 INFO kablam! | Sep 04 17:34:48.183 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 04 17:34:48.183 INFO kablam! Sep 04 17:34:48.183 INFO kablam! warning: unused variable: `s` Sep 04 17:34:48.183 INFO kablam! --> benches/fn_block_benchmark.rs:14:9 Sep 04 17:34:48.183 INFO kablam! | Sep 04 17:34:48.183 INFO kablam! 14 | let s = (|| Some(o?.get(0..3)?.to_lowercase()))(); Sep 04 17:34:48.183 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:48.183 INFO kablam! Sep 04 17:34:48.183 INFO kablam! warning: unused variable: `s` Sep 04 17:34:48.183 INFO kablam! --> benches/fn_block_benchmark.rs:18:9 Sep 04 17:34:48.183 INFO kablam! | Sep 04 17:34:48.183 INFO kablam! 18 | let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() }; Sep 04 17:34:48.183 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:48.183 INFO kablam! Sep 04 17:34:48.196 INFO kablam! warning: unused attribute Sep 04 17:34:48.196 INFO kablam! --> benches/fn_block_benchmark.rs:5:1 Sep 04 17:34:48.196 INFO kablam! | Sep 04 17:34:48.196 INFO kablam! 5 | #[macro_use] Sep 04 17:34:48.196 INFO kablam! | ^^^^^^^^^^^^ Sep 04 17:34:48.196 INFO kablam! | Sep 04 17:34:48.196 INFO kablam! = note: #[warn(unused_attributes)] on by default Sep 04 17:34:48.196 INFO kablam! Sep 04 17:34:48.229 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 4.53s Sep 04 17:34:48.236 INFO kablam! su: No module specific data is present Sep 04 17:34:48.637 INFO running `"docker" "rm" "-f" "6253810cc38826bd7f8e05367b77f27a8cf61c7e7bbf66ecfb5b0edc01f3f7b1"` Sep 04 17:34:48.778 INFO blam! 6253810cc38826bd7f8e05367b77f27a8cf61c7e7bbf66ecfb5b0edc01f3f7b1