Sep 18 02:35:43.693 INFO checking cheque-0.2.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 02:35:43.693 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 02:35:43.693 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 02:35:43.927 INFO blam! 4e311285e6d445c239f70b0915d406b9f4a60c9b8913426366baa9bb74c6abcd
Sep 18 02:35:43.929 INFO running `"docker" "start" "-a" "4e311285e6d445c239f70b0915d406b9f4a60c9b8913426366baa9bb74c6abcd"`
Sep 18 02:35:45.239 INFO kablam! usermod: no changes
Sep 18 02:35:45.319 INFO kablam!     Checking cheque v0.2.0 (/source)
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:130:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 130 |         a + a;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:131:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 131 |         a - a;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:132:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 132 |         a * a;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:133:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 133 |         a / a;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:134:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 134 |         a + 1;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:135:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 135 |         a - 1;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.971 INFO kablam!    --> lib.rs:136:9
Sep 18 02:35:45.971 INFO kablam!     |
Sep 18 02:35:45.971 INFO kablam! 136 |         a * 1;
Sep 18 02:35:45.971 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.971 INFO kablam! 
Sep 18 02:35:45.971 INFO kablam! warning: unused arithmetic operation which must be used
Sep 18 02:35:45.972 INFO kablam!    --> lib.rs:137:9
Sep 18 02:35:45.972 INFO kablam!     |
Sep 18 02:35:45.972 INFO kablam! 137 |         a / 1;
Sep 18 02:35:45.972 INFO kablam!     |         ^^^^^
Sep 18 02:35:45.972 INFO kablam! 
Sep 18 02:35:46.123 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Sep 18 02:35:46.126 INFO kablam! su: No module specific data is present
Sep 18 02:35:47.116 INFO running `"docker" "rm" "-f" "4e311285e6d445c239f70b0915d406b9f4a60c9b8913426366baa9bb74c6abcd"`
Sep 18 02:35:47.407 INFO blam! 4e311285e6d445c239f70b0915d406b9f4a60c9b8913426366baa9bb74c6abcd