Sep 06 08:51:10.666 INFO checking cheque-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 08:51:10.666 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 08:51:10.666 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-0/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 08:51:10.876 INFO blam! 8f296c59f5e47391b510f001d9f3950a0b5a311be7fcb8395a9d178aba70ec0c
Sep 06 08:51:10.878 INFO running `"docker" "start" "-a" "8f296c59f5e47391b510f001d9f3950a0b5a311be7fcb8395a9d178aba70ec0c"`
Sep 06 08:51:11.683 INFO kablam! usermod: no changes
Sep 06 08:51:11.727 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Sep 06 08:51:12.156 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.156 INFO kablam!    --> lib.rs:130:9
Sep 06 08:51:12.156 INFO kablam!     |
Sep 06 08:51:12.156 INFO kablam! 130 |         a + a;
Sep 06 08:51:12.156 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.157 INFO kablam!     |
Sep 06 08:51:12.157 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 06 08:51:12.157 INFO kablam! 
Sep 06 08:51:12.157 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.157 INFO kablam!    --> lib.rs:131:9
Sep 06 08:51:12.157 INFO kablam!     |
Sep 06 08:51:12.157 INFO kablam! 131 |         a - a;
Sep 06 08:51:12.157 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.157 INFO kablam! 
Sep 06 08:51:12.158 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.158 INFO kablam!    --> lib.rs:132:9
Sep 06 08:51:12.158 INFO kablam!     |
Sep 06 08:51:12.158 INFO kablam! 132 |         a * a;
Sep 06 08:51:12.158 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.158 INFO kablam! 
Sep 06 08:51:12.158 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.158 INFO kablam!    --> lib.rs:133:9
Sep 06 08:51:12.158 INFO kablam!     |
Sep 06 08:51:12.158 INFO kablam! 133 |         a / a;
Sep 06 08:51:12.158 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.158 INFO kablam! 
Sep 06 08:51:12.159 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.159 INFO kablam!    --> lib.rs:134:9
Sep 06 08:51:12.159 INFO kablam!     |
Sep 06 08:51:12.159 INFO kablam! 134 |         a + 1;
Sep 06 08:51:12.159 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.159 INFO kablam! 
Sep 06 08:51:12.159 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.159 INFO kablam!    --> lib.rs:135:9
Sep 06 08:51:12.159 INFO kablam!     |
Sep 06 08:51:12.159 INFO kablam! 135 |         a - 1;
Sep 06 08:51:12.159 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.159 INFO kablam! 
Sep 06 08:51:12.160 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.160 INFO kablam!    --> lib.rs:136:9
Sep 06 08:51:12.160 INFO kablam!     |
Sep 06 08:51:12.160 INFO kablam! 136 |         a * 1;
Sep 06 08:51:12.160 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.160 INFO kablam! 
Sep 06 08:51:12.160 INFO kablam! warning: unused arithmetic operation which must be used
Sep 06 08:51:12.160 INFO kablam!    --> lib.rs:137:9
Sep 06 08:51:12.160 INFO kablam!     |
Sep 06 08:51:12.160 INFO kablam! 137 |         a / 1;
Sep 06 08:51:12.160 INFO kablam!     |         ^^^^^
Sep 06 08:51:12.160 INFO kablam! 
Sep 06 08:51:12.306 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Sep 06 08:51:12.306 INFO kablam! su: No module specific data is present
Sep 06 08:51:12.935 INFO running `"docker" "rm" "-f" "8f296c59f5e47391b510f001d9f3950a0b5a311be7fcb8395a9d178aba70ec0c"`
Sep 06 08:51:13.048 INFO blam! 8f296c59f5e47391b510f001d9f3950a0b5a311be7fcb8395a9d178aba70ec0c