Aug 01 20:02:28.654 INFO checking trimmer-0.3.6 against 1.27.2 for lazy_static-1
Aug 01 20:02:28.654 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:02:28.654 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:02:28.654 INFO running `"docker" "create" "-v" "/tmp/crater.V9FXSUph1Iex:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 20:02:28.896 INFO blam! b84f34dd309562b2ae9537e9b6ec59d4dbf46e619d59f29f9fd63bab63291dad
Aug 01 20:02:28.897 INFO running `"docker" "start" "-a" "b84f34dd309562b2ae9537e9b6ec59d4dbf46e619d59f29f9fd63bab63291dad"`
Aug 01 20:02:29.835 INFO kablam!     Checking trimmer v0.3.6 (file:///source)
Aug 01 20:02:31.439 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 20:02:31.439 INFO kablam!    --> src/number.rs:138:27
Aug 01 20:02:31.440 INFO kablam!     |
Aug 01 20:02:31.440 INFO kablam! 138 |             b.checked_sub((-a as u64)).map(val)
Aug 01 20:02:31.440 INFO kablam!     |                           ^^^^^^^^^^^ help: remove these parentheses
Aug 01 20:02:31.440 INFO kablam!     |
Aug 01 20:02:31.440 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 01 20:02:31.440 INFO kablam! 
Aug 01 20:02:31.440 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 20:02:31.440 INFO kablam!    --> src/number.rs:162:27
Aug 01 20:02:31.440 INFO kablam!     |
Aug 01 20:02:31.440 INFO kablam! 162 |             a.checked_add((-b as u64)).map(val)
Aug 01 20:02:31.440 INFO kablam!     |                           ^^^^^^^^^^^ help: remove these parentheses
Aug 01 20:02:31.440 INFO kablam! 
Aug 01 20:02:31.708 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 20:02:31.708 INFO kablam!    --> src/number.rs:138:27
Aug 01 20:02:31.708 INFO kablam!     |
Aug 01 20:02:31.708 INFO kablam! 138 |             b.checked_sub((-a as u64)).map(val)
Aug 01 20:02:31.708 INFO kablam!     |                           ^^^^^^^^^^^ help: remove these parentheses
Aug 01 20:02:31.708 INFO kablam!     |
Aug 01 20:02:31.708 INFO kablam!     = note: #[warn(unused_parens)] on by default
Aug 01 20:02:31.708 INFO kablam! 
Aug 01 20:02:31.709 INFO kablam! warning: unnecessary parentheses around method argument
Aug 01 20:02:31.709 INFO kablam!    --> src/number.rs:162:27
Aug 01 20:02:31.709 INFO kablam!     |
Aug 01 20:02:31.709 INFO kablam! 162 |             a.checked_add((-b as u64)).map(val)
Aug 01 20:02:31.709 INFO kablam!     |                           ^^^^^^^^^^^ help: remove these parentheses
Aug 01 20:02:31.709 INFO kablam! 
Aug 01 20:02:38.857 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:02:38.857 INFO kablam!  --> benches/spitfire.rs:3:1
Aug 01 20:02:38.858 INFO kablam!   |
Aug 01 20:02:38.858 INFO kablam! 3 | #![feature(test)]
Aug 01 20:02:38.858 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:02:38.858 INFO kablam! 
Aug 01 20:02:38.859 INFO kablam! error: aborting due to previous error
Aug 01 20:02:38.859 INFO kablam! 
Aug 01 20:02:38.860 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:02:38.872 INFO kablam! error: Could not compile `trimmer`.
Aug 01 20:02:38.873 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:02:39.445 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:02:39.445 INFO kablam!  --> benches/swindon_dir.rs:1:1
Aug 01 20:02:39.445 INFO kablam!   |
Aug 01 20:02:39.445 INFO kablam! 1 | #![feature(test)]
Aug 01 20:02:39.445 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:02:39.445 INFO kablam! 
Aug 01 20:02:39.445 INFO kablam! error: aborting due to previous error
Aug 01 20:02:39.445 INFO kablam! 
Aug 01 20:02:39.445 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:02:39.495 INFO kablam! error: Could not compile `trimmer`.
Aug 01 20:02:39.496 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:02:40.438 INFO kablam! error: build failed
Aug 01 20:02:40.440 INFO kablam! su: No module specific data is present
Aug 01 20:02:41.057 INFO running `"docker" "rm" "-f" "b84f34dd309562b2ae9537e9b6ec59d4dbf46e619d59f29f9fd63bab63291dad"`
Aug 01 20:02:41.205 INFO blam! b84f34dd309562b2ae9537e9b6ec59d4dbf46e619d59f29f9fd63bab63291dad