Sep 02 14:12:22.215 INFO checking fn_block-0.2.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 02 14:12:22.215 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 02 14:12:22.215 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 14:12:22.468 INFO blam! 6ef5c6645c6f20888df37d5670d7c157de262118e854ce9b76dfa551ced15c26 Sep 02 14:12:22.471 INFO running `"docker" "start" "-a" "6ef5c6645c6f20888df37d5670d7c157de262118e854ce9b76dfa551ced15c26"` Sep 02 14:12:23.293 INFO kablam! Checking fn_block v0.2.1 (file:///source) Sep 02 14:12:27.625 INFO kablam! warning: unused variable: `s` Sep 02 14:12:27.625 INFO kablam! --> benches/fn_block_benchmark.rs:10:9 Sep 02 14:12:27.625 INFO kablam! | Sep 02 14:12:27.625 INFO kablam! 10 | let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase()); Sep 02 14:12:27.625 INFO kablam! | ^ help: consider using `_s` instead Sep 02 14:12:27.625 INFO kablam! | Sep 02 14:12:27.625 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 02 14:12:27.625 INFO kablam! Sep 02 14:12:27.625 INFO kablam! warning: unused variable: `s` Sep 02 14:12:27.625 INFO kablam! --> benches/fn_block_benchmark.rs:14:9 Sep 02 14:12:27.625 INFO kablam! | Sep 02 14:12:27.625 INFO kablam! 14 | let s = (|| Some(o?.get(0..3)?.to_lowercase()))(); Sep 02 14:12:27.625 INFO kablam! | ^ help: consider using `_s` instead Sep 02 14:12:27.625 INFO kablam! Sep 02 14:12:27.625 INFO kablam! warning: unused variable: `s` Sep 02 14:12:27.625 INFO kablam! --> benches/fn_block_benchmark.rs:18:9 Sep 02 14:12:27.625 INFO kablam! | Sep 02 14:12:27.625 INFO kablam! 18 | let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() }; Sep 02 14:12:27.625 INFO kablam! | ^ help: consider using `_s` instead Sep 02 14:12:27.625 INFO kablam! Sep 02 14:12:27.638 INFO kablam! warning: unused attribute Sep 02 14:12:27.638 INFO kablam! --> benches/fn_block_benchmark.rs:5:1 Sep 02 14:12:27.638 INFO kablam! | Sep 02 14:12:27.638 INFO kablam! 5 | #[macro_use] Sep 02 14:12:27.638 INFO kablam! | ^^^^^^^^^^^^ Sep 02 14:12:27.638 INFO kablam! | Sep 02 14:12:27.638 INFO kablam! = note: #[warn(unused_attributes)] on by default Sep 02 14:12:27.638 INFO kablam! Sep 02 14:12:27.663 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 4.50s Sep 02 14:12:27.673 INFO kablam! su: No module specific data is present Sep 02 14:12:28.151 INFO running `"docker" "rm" "-f" "6ef5c6645c6f20888df37d5670d7c157de262118e854ce9b76dfa551ced15c26"` Sep 02 14:12:28.288 INFO blam! 6ef5c6645c6f20888df37d5670d7c157de262118e854ce9b76dfa551ced15c26