Sep 14 16:29:17.078 INFO checking fn_block-0.2.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:29:17.078 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:29:17.078 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-5/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:29:17.448 INFO blam! dc9ff47df2b40d0448a326ae79db0111220e327db192c1c6f20b663f8c49145c
Sep 14 16:29:17.450 INFO running `"docker" "start" "-a" "dc9ff47df2b40d0448a326ae79db0111220e327db192c1c6f20b663f8c49145c"`
Sep 14 16:29:18.905 INFO kablam! usermod: no changes
Sep 14 16:29:19.130 INFO kablam!     Checking fn_block v0.2.1 (file:///source)
Sep 14 16:29:21.942 INFO kablam! warning: unused variable: `s`
Sep 14 16:29:21.942 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 14 16:29:21.942 INFO kablam!    |
Sep 14 16:29:21.942 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 14 16:29:21.942 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 14 16:29:21.942 INFO kablam!    |
Sep 14 16:29:21.942 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 14 16:29:21.942 INFO kablam! 
Sep 14 16:29:21.942 INFO kablam! warning: unused variable: `s`
Sep 14 16:29:21.942 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 14 16:29:21.942 INFO kablam!    |
Sep 14 16:29:21.942 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 14 16:29:21.942 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 14 16:29:21.942 INFO kablam! 
Sep 14 16:29:21.942 INFO kablam! warning: unused variable: `s`
Sep 14 16:29:21.942 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 14 16:29:21.942 INFO kablam!    |
Sep 14 16:29:21.942 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 14 16:29:21.942 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 14 16:29:21.942 INFO kablam! 
Sep 14 16:29:21.949 INFO kablam! warning: unused attribute
Sep 14 16:29:21.949 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 14 16:29:21.949 INFO kablam!   |
Sep 14 16:29:21.949 INFO kablam! 5 | #[macro_use]
Sep 14 16:29:21.949 INFO kablam!   | ^^^^^^^^^^^^
Sep 14 16:29:21.949 INFO kablam!   |
Sep 14 16:29:21.949 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 14 16:29:21.949 INFO kablam! 
Sep 14 16:29:21.974 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
Sep 14 16:29:21.982 INFO kablam! su: No module specific data is present
Sep 14 16:29:22.415 INFO running `"docker" "rm" "-f" "dc9ff47df2b40d0448a326ae79db0111220e327db192c1c6f20b663f8c49145c"`
Sep 14 16:29:22.555 INFO blam! dc9ff47df2b40d0448a326ae79db0111220e327db192c1c6f20b663f8c49145c