Sep 01 20:37:48.536 INFO checking fn_block-0.2.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 20:37:48.536 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:37:48.536 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/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 01 20:37:48.710 INFO blam! aa11c59fdb0bc70df992ef8add9ecf0c4a42c2f6b4699f1b3ec89e87b9fe2e84
Sep 01 20:37:48.712 INFO running `"docker" "start" "-a" "aa11c59fdb0bc70df992ef8add9ecf0c4a42c2f6b4699f1b3ec89e87b9fe2e84"`
Sep 01 20:37:49.763 INFO kablam!     Checking fn_block v0.2.1 (file:///source)
Sep 01 20:37:54.045 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.045 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 01 20:37:54.045 INFO kablam!    |
Sep 01 20:37:54.046 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 01 20:37:54.046 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.046 INFO kablam!    |
Sep 01 20:37:54.046 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:37:54.046 INFO kablam! 
Sep 01 20:37:54.046 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.046 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 01 20:37:54.046 INFO kablam!    |
Sep 01 20:37:54.046 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 01 20:37:54.046 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.046 INFO kablam! 
Sep 01 20:37:54.046 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.046 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 01 20:37:54.046 INFO kablam!    |
Sep 01 20:37:54.046 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 01 20:37:54.046 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.046 INFO kablam! 
Sep 01 20:37:54.056 INFO kablam! warning: unused attribute
Sep 01 20:37:54.056 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 01 20:37:54.056 INFO kablam!   |
Sep 01 20:37:54.056 INFO kablam! 5 | #[macro_use]
Sep 01 20:37:54.056 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 20:37:54.056 INFO kablam!   |
Sep 01 20:37:54.056 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 20:37:54.056 INFO kablam! 
Sep 01 20:37:54.078 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
Sep 01 20:37:54.085 INFO kablam! su: No module specific data is present
Sep 01 20:37:54.621 INFO running `"docker" "rm" "-f" "aa11c59fdb0bc70df992ef8add9ecf0c4a42c2f6b4699f1b3ec89e87b9fe2e84"`
Sep 01 20:37:54.703 INFO blam! aa11c59fdb0bc70df992ef8add9ecf0c4a42c2f6b4699f1b3ec89e87b9fe2e84