Sep 21 10:20:12.942 INFO checking fn_block-0.2.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:20:12.942 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:20:12.942 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:20:13.107 INFO blam! 477d8bc01fe116772e8843f371a658206cc0f7043f10f1c9544de59c5c35a582
Sep 21 10:20:13.110 INFO running `"docker" "start" "-a" "477d8bc01fe116772e8843f371a658206cc0f7043f10f1c9544de59c5c35a582"`
Sep 21 10:20:13.924 INFO kablam! usermod: no changes
Sep 21 10:20:14.114 INFO kablam!     Checking fn_block v0.2.1 (/source)
Sep 21 10:20:16.978 INFO kablam! warning: unused variable: `s`
Sep 21 10:20:16.978 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 21 10:20:16.978 INFO kablam!    |
Sep 21 10:20:16.978 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 21 10:20:16.978 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 21 10:20:16.978 INFO kablam!    |
Sep 21 10:20:16.978 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 10:20:16.978 INFO kablam! 
Sep 21 10:20:16.978 INFO kablam! warning: unused variable: `s`
Sep 21 10:20:16.978 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 21 10:20:16.978 INFO kablam!    |
Sep 21 10:20:16.978 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 21 10:20:16.978 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 21 10:20:16.978 INFO kablam! 
Sep 21 10:20:16.978 INFO kablam! warning: unused variable: `s`
Sep 21 10:20:16.978 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 21 10:20:16.978 INFO kablam!    |
Sep 21 10:20:16.978 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 21 10:20:16.978 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 21 10:20:16.978 INFO kablam! 
Sep 21 10:20:16.986 INFO kablam! warning: unused attribute
Sep 21 10:20:16.986 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 21 10:20:16.986 INFO kablam!   |
Sep 21 10:20:16.986 INFO kablam! 5 | #[macro_use]
Sep 21 10:20:16.986 INFO kablam!   | ^^^^^^^^^^^^
Sep 21 10:20:16.986 INFO kablam!   |
Sep 21 10:20:16.986 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 21 10:20:16.986 INFO kablam! 
Sep 21 10:20:17.010 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Sep 21 10:20:17.021 INFO kablam! su: No module specific data is present
Sep 21 10:20:17.653 INFO running `"docker" "rm" "-f" "477d8bc01fe116772e8843f371a658206cc0f7043f10f1c9544de59c5c35a582"`
Sep 21 10:20:17.730 INFO blam! 477d8bc01fe116772e8843f371a658206cc0f7043f10f1c9544de59c5c35a582