Sep 20 03:27:03.070 INFO checking fn_block-0.2.1 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 03:27:03.070 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 03:27:03.071 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:27:03.217 INFO blam! 47b198460287cbae34898c89b8fe7d9434560ef7aa1b102255086ef82465be94
Sep 20 03:27:03.219 INFO running `"docker" "start" "-a" "47b198460287cbae34898c89b8fe7d9434560ef7aa1b102255086ef82465be94"`
Sep 20 03:27:04.706 INFO kablam! usermod: no changes
Sep 20 03:27:04.945 INFO kablam!     Checking fn_block v0.2.1 (/source)
Sep 20 03:27:07.394 INFO kablam! warning: unused variable: `s`
Sep 20 03:27:07.394 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 20 03:27:07.394 INFO kablam!    |
Sep 20 03:27:07.394 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 20 03:27:07.394 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 20 03:27:07.394 INFO kablam!    |
Sep 20 03:27:07.394 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 20 03:27:07.394 INFO kablam! 
Sep 20 03:27:07.394 INFO kablam! warning: unused variable: `s`
Sep 20 03:27:07.394 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 20 03:27:07.394 INFO kablam!    |
Sep 20 03:27:07.394 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 20 03:27:07.394 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 20 03:27:07.394 INFO kablam! 
Sep 20 03:27:07.394 INFO kablam! warning: unused variable: `s`
Sep 20 03:27:07.394 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 20 03:27:07.394 INFO kablam!    |
Sep 20 03:27:07.394 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 20 03:27:07.394 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 20 03:27:07.394 INFO kablam! 
Sep 20 03:27:07.406 INFO kablam! warning: unused attribute
Sep 20 03:27:07.406 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 20 03:27:07.406 INFO kablam!   |
Sep 20 03:27:07.406 INFO kablam! 5 | #[macro_use]
Sep 20 03:27:07.406 INFO kablam!   | ^^^^^^^^^^^^
Sep 20 03:27:07.406 INFO kablam!   |
Sep 20 03:27:07.406 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 20 03:27:07.406 INFO kablam! 
Sep 20 03:27:07.446 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
Sep 20 03:27:07.456 INFO kablam! su: No module specific data is present
Sep 20 03:27:08.383 INFO running `"docker" "rm" "-f" "47b198460287cbae34898c89b8fe7d9434560ef7aa1b102255086ef82465be94"`
Sep 20 03:27:08.492 INFO blam! 47b198460287cbae34898c89b8fe7d9434560ef7aa1b102255086ef82465be94