Sep 04 17:34:35.746 INFO checking fn_block-0.2.1 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893 Sep 04 17:34:35.746 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets Sep 04 17:34:35.746 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 04 17:34:35.993 INFO blam! be94fbf9c40c109b03be124559022ef9f6fff6d56c908aace0e4a4ba84d10b21 Sep 04 17:34:35.996 INFO running `"docker" "start" "-a" "be94fbf9c40c109b03be124559022ef9f6fff6d56c908aace0e4a4ba84d10b21"` Sep 04 17:34:36.980 INFO kablam! Checking fn_block v0.2.1 (file:///source) Sep 04 17:34:41.758 INFO kablam! warning: unused variable: `s` Sep 04 17:34:41.758 INFO kablam! --> benches/fn_block_benchmark.rs:10:9 Sep 04 17:34:41.758 INFO kablam! | Sep 04 17:34:41.758 INFO kablam! 10 | let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase()); Sep 04 17:34:41.758 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:41.758 INFO kablam! | Sep 04 17:34:41.758 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 04 17:34:41.758 INFO kablam! Sep 04 17:34:41.758 INFO kablam! warning: unused variable: `s` Sep 04 17:34:41.758 INFO kablam! --> benches/fn_block_benchmark.rs:14:9 Sep 04 17:34:41.758 INFO kablam! | Sep 04 17:34:41.758 INFO kablam! 14 | let s = (|| Some(o?.get(0..3)?.to_lowercase()))(); Sep 04 17:34:41.758 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:41.758 INFO kablam! Sep 04 17:34:41.759 INFO kablam! warning: unused variable: `s` Sep 04 17:34:41.759 INFO kablam! --> benches/fn_block_benchmark.rs:18:9 Sep 04 17:34:41.759 INFO kablam! | Sep 04 17:34:41.759 INFO kablam! 18 | let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() }; Sep 04 17:34:41.759 INFO kablam! | ^ help: consider using `_s` instead Sep 04 17:34:41.759 INFO kablam! Sep 04 17:34:41.778 INFO kablam! warning: unused attribute Sep 04 17:34:41.778 INFO kablam! --> benches/fn_block_benchmark.rs:5:1 Sep 04 17:34:41.778 INFO kablam! | Sep 04 17:34:41.778 INFO kablam! 5 | #[macro_use] Sep 04 17:34:41.778 INFO kablam! | ^^^^^^^^^^^^ Sep 04 17:34:41.779 INFO kablam! | Sep 04 17:34:41.779 INFO kablam! = note: #[warn(unused_attributes)] on by default Sep 04 17:34:41.779 INFO kablam! Sep 04 17:34:41.835 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 5.00s Sep 04 17:34:41.847 INFO kablam! su: No module specific data is present Sep 04 17:34:42.353 INFO running `"docker" "rm" "-f" "be94fbf9c40c109b03be124559022ef9f6fff6d56c908aace0e4a4ba84d10b21"` Sep 04 17:34:42.526 INFO blam! be94fbf9c40c109b03be124559022ef9f6fff6d56c908aace0e4a4ba84d10b21