Sep 01 20:37:48.506 INFO checking fn_block-0.2.1 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 20:37:48.506 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 20:37:48.506 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:37:48.684 INFO blam! 4792fc955ce24e42f765759b5df164b1624bb0501081c6f73a3130e1ad26a9e9
Sep 01 20:37:48.686 INFO running `"docker" "start" "-a" "4792fc955ce24e42f765759b5df164b1624bb0501081c6f73a3130e1ad26a9e9"`
Sep 01 20:37:49.867 INFO kablam!     Checking fn_block v0.2.1 (file:///source)
Sep 01 20:37:54.249 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.249 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 01 20:37:54.249 INFO kablam!    |
Sep 01 20:37:54.249 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 01 20:37:54.249 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.249 INFO kablam!    |
Sep 01 20:37:54.249 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 01 20:37:54.249 INFO kablam! 
Sep 01 20:37:54.249 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.249 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 01 20:37:54.249 INFO kablam!    |
Sep 01 20:37:54.249 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 01 20:37:54.249 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.249 INFO kablam! 
Sep 01 20:37:54.249 INFO kablam! warning: unused variable: `s`
Sep 01 20:37:54.249 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 01 20:37:54.249 INFO kablam!    |
Sep 01 20:37:54.249 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 01 20:37:54.249 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 01 20:37:54.249 INFO kablam! 
Sep 01 20:37:54.260 INFO kablam! warning: unused attribute
Sep 01 20:37:54.260 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 01 20:37:54.260 INFO kablam!   |
Sep 01 20:37:54.260 INFO kablam! 5 | #[macro_use]
Sep 01 20:37:54.260 INFO kablam!   | ^^^^^^^^^^^^
Sep 01 20:37:54.260 INFO kablam!   |
Sep 01 20:37:54.260 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 01 20:37:54.260 INFO kablam! 
Sep 01 20:37:54.288 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.64s
Sep 01 20:37:54.296 INFO kablam! su: No module specific data is present
Sep 01 20:37:54.922 INFO running `"docker" "rm" "-f" "4792fc955ce24e42f765759b5df164b1624bb0501081c6f73a3130e1ad26a9e9"`
Sep 01 20:37:55.048 INFO blam! 4792fc955ce24e42f765759b5df164b1624bb0501081c6f73a3130e1ad26a9e9