Sep 10 18:59:19.074 INFO checking fn_block-0.2.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 18:59:19.074 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 18:59:19.074 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-5/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:59:19.398 INFO blam! 0b955e953275cdbb0b8a6a486e480c5ac65202befb5aa827c5aadd1d9612c5de
Sep 10 18:59:19.400 INFO running `"docker" "start" "-a" "0b955e953275cdbb0b8a6a486e480c5ac65202befb5aa827c5aadd1d9612c5de"`
Sep 10 18:59:20.282 INFO kablam! usermod: no changes
Sep 10 18:59:20.499 INFO kablam!     Checking fn_block v0.2.1 (file:///source)
Sep 10 18:59:23.058 INFO kablam! warning: unused variable: `s`
Sep 10 18:59:23.058 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 10 18:59:23.058 INFO kablam!    |
Sep 10 18:59:23.058 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 10 18:59:23.058 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 10 18:59:23.058 INFO kablam!    |
Sep 10 18:59:23.058 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 18:59:23.058 INFO kablam! 
Sep 10 18:59:23.058 INFO kablam! warning: unused variable: `s`
Sep 10 18:59:23.058 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 10 18:59:23.058 INFO kablam!    |
Sep 10 18:59:23.058 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 10 18:59:23.058 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 10 18:59:23.058 INFO kablam! 
Sep 10 18:59:23.058 INFO kablam! warning: unused variable: `s`
Sep 10 18:59:23.058 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 10 18:59:23.058 INFO kablam!    |
Sep 10 18:59:23.058 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 10 18:59:23.058 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 10 18:59:23.058 INFO kablam! 
Sep 10 18:59:23.060 INFO kablam! warning: unused attribute
Sep 10 18:59:23.060 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 10 18:59:23.060 INFO kablam!   |
Sep 10 18:59:23.060 INFO kablam! 5 | #[macro_use]
Sep 10 18:59:23.060 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 18:59:23.060 INFO kablam!   |
Sep 10 18:59:23.060 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 10 18:59:23.060 INFO kablam! 
Sep 10 18:59:23.082 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Sep 10 18:59:23.090 INFO kablam! su: No module specific data is present
Sep 10 18:59:23.674 INFO running `"docker" "rm" "-f" "0b955e953275cdbb0b8a6a486e480c5ac65202befb5aa827c5aadd1d9612c5de"`
Sep 10 18:59:23.792 INFO blam! 0b955e953275cdbb0b8a6a486e480c5ac65202befb5aa827c5aadd1d9612c5de