Sep 02 14:12:22.045 INFO checking fn_block-0.2.1 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 14:12:22.045 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 14:12:22.045 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 14:12:22.238 INFO blam! 9b0bb03846b0f7c271d1236d96d024f9b8a6f1ef9938053ef3c83534aff4eead
Sep 02 14:12:22.241 INFO running `"docker" "start" "-a" "9b0bb03846b0f7c271d1236d96d024f9b8a6f1ef9938053ef3c83534aff4eead"`
Sep 02 14:12:23.122 INFO kablam!     Checking fn_block v0.2.1 (file:///source)
Sep 02 14:12:27.465 INFO kablam! warning: unused variable: `s`
Sep 02 14:12:27.465 INFO kablam!   --> benches/fn_block_benchmark.rs:10:9
Sep 02 14:12:27.465 INFO kablam!    |
Sep 02 14:12:27.465 INFO kablam! 10 |     let s = o.and_then(|st| st.get(0..3)).map(|st| st.to_lowercase());
Sep 02 14:12:27.465 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 02 14:12:27.465 INFO kablam!    |
Sep 02 14:12:27.465 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 02 14:12:27.465 INFO kablam! 
Sep 02 14:12:27.465 INFO kablam! warning: unused variable: `s`
Sep 02 14:12:27.465 INFO kablam!   --> benches/fn_block_benchmark.rs:14:9
Sep 02 14:12:27.465 INFO kablam!    |
Sep 02 14:12:27.466 INFO kablam! 14 |     let s = (|| Some(o?.get(0..3)?.to_lowercase()))();
Sep 02 14:12:27.466 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 02 14:12:27.466 INFO kablam! 
Sep 02 14:12:27.466 INFO kablam! warning: unused variable: `s`
Sep 02 14:12:27.466 INFO kablam!   --> benches/fn_block_benchmark.rs:18:9
Sep 02 14:12:27.466 INFO kablam!    |
Sep 02 14:12:27.466 INFO kablam! 18 |     let s = fn_expr!{ o?.get(0..3)?.to_lowercase().into_some() };
Sep 02 14:12:27.466 INFO kablam!    |         ^ help: consider using `_s` instead
Sep 02 14:12:27.466 INFO kablam! 
Sep 02 14:12:27.478 INFO kablam! warning: unused attribute
Sep 02 14:12:27.478 INFO kablam!  --> benches/fn_block_benchmark.rs:5:1
Sep 02 14:12:27.478 INFO kablam!   |
Sep 02 14:12:27.478 INFO kablam! 5 | #[macro_use]
Sep 02 14:12:27.478 INFO kablam!   | ^^^^^^^^^^^^
Sep 02 14:12:27.478 INFO kablam!   |
Sep 02 14:12:27.478 INFO kablam!   = note: #[warn(unused_attributes)] on by default
Sep 02 14:12:27.478 INFO kablam! 
Sep 02 14:12:27.504 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
Sep 02 14:12:27.515 INFO kablam! su: No module specific data is present
Sep 02 14:12:27.861 INFO running `"docker" "rm" "-f" "9b0bb03846b0f7c271d1236d96d024f9b8a6f1ef9938053ef3c83534aff4eead"`
Sep 02 14:12:27.948 INFO blam! 9b0bb03846b0f7c271d1236d96d024f9b8a6f1ef9938053ef3c83534aff4eead