Aug 30 21:40:28.917 INFO checking cheque-0.2.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 21:40:28.918 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 21:40:28.918 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 21:40:29.134 INFO blam! 2684f5a6083f03d0a10a4222f4d3593b72d8129374088f8e4d0fe9ccb0e7902c
Aug 30 21:40:29.136 INFO running `"docker" "start" "-a" "2684f5a6083f03d0a10a4222f4d3593b72d8129374088f8e4d0fe9ccb0e7902c"`
Aug 30 21:40:29.815 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Aug 30 21:40:31.003 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.003 INFO kablam!    --> lib.rs:130:9
Aug 30 21:40:31.003 INFO kablam!     |
Aug 30 21:40:31.003 INFO kablam! 130 |         a + a;
Aug 30 21:40:31.003 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.003 INFO kablam!     |
Aug 30 21:40:31.003 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 21:40:31.003 INFO kablam! 
Aug 30 21:40:31.003 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.003 INFO kablam!    --> lib.rs:131:9
Aug 30 21:40:31.003 INFO kablam!     |
Aug 30 21:40:31.003 INFO kablam! 131 |         a - a;
Aug 30 21:40:31.003 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.003 INFO kablam! 
Aug 30 21:40:31.004 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.004 INFO kablam!    --> lib.rs:132:9
Aug 30 21:40:31.004 INFO kablam!     |
Aug 30 21:40:31.004 INFO kablam! 132 |         a * a;
Aug 30 21:40:31.004 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.004 INFO kablam! 
Aug 30 21:40:31.004 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.004 INFO kablam!    --> lib.rs:133:9
Aug 30 21:40:31.004 INFO kablam!     |
Aug 30 21:40:31.005 INFO kablam! 133 |         a / a;
Aug 30 21:40:31.005 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.005 INFO kablam! 
Aug 30 21:40:31.005 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.005 INFO kablam!    --> lib.rs:134:9
Aug 30 21:40:31.005 INFO kablam!     |
Aug 30 21:40:31.005 INFO kablam! 134 |         a + 1;
Aug 30 21:40:31.005 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.005 INFO kablam! 
Aug 30 21:40:31.005 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.005 INFO kablam!    --> lib.rs:135:9
Aug 30 21:40:31.005 INFO kablam!     |
Aug 30 21:40:31.005 INFO kablam! 135 |         a - 1;
Aug 30 21:40:31.005 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.005 INFO kablam! 
Aug 30 21:40:31.005 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.005 INFO kablam!    --> lib.rs:136:9
Aug 30 21:40:31.005 INFO kablam!     |
Aug 30 21:40:31.005 INFO kablam! 136 |         a * 1;
Aug 30 21:40:31.005 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.005 INFO kablam! 
Aug 30 21:40:31.005 INFO kablam! warning: unused arithmetic operation which must be used
Aug 30 21:40:31.005 INFO kablam!    --> lib.rs:137:9
Aug 30 21:40:31.005 INFO kablam!     |
Aug 30 21:40:31.005 INFO kablam! 137 |         a / 1;
Aug 30 21:40:31.006 INFO kablam!     |         ^^^^^
Aug 30 21:40:31.006 INFO kablam! 
Aug 30 21:40:31.020 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Aug 30 21:40:31.024 INFO kablam! su: No module specific data is present
Aug 30 21:40:31.458 INFO running `"docker" "rm" "-f" "2684f5a6083f03d0a10a4222f4d3593b72d8129374088f8e4d0fe9ccb0e7902c"`
Aug 30 21:40:31.592 INFO blam! 2684f5a6083f03d0a10a4222f4d3593b72d8129374088f8e4d0fe9ccb0e7902c