Sep 05 00:32:07.460 INFO checking cheque-0.2.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 00:32:07.460 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 00:32:07.460 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 00:32:07.706 INFO blam! b1d4edd69f8d6395dd78b7cf1f6e97a0708b3f0534d0f3be14aa5b50c1681a39
Sep 05 00:32:07.709 INFO running `"docker" "start" "-a" "b1d4edd69f8d6395dd78b7cf1f6e97a0708b3f0534d0f3be14aa5b50c1681a39"`
Sep 05 00:32:08.532 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Sep 05 00:32:09.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.558 INFO kablam!    --> lib.rs:130:9
Sep 05 00:32:09.558 INFO kablam!     |
Sep 05 00:32:09.558 INFO kablam! 130 |         a + a;
Sep 05 00:32:09.558 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.558 INFO kablam!     |
Sep 05 00:32:09.558 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 05 00:32:09.558 INFO kablam! 
Sep 05 00:32:09.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.558 INFO kablam!    --> lib.rs:131:9
Sep 05 00:32:09.558 INFO kablam!     |
Sep 05 00:32:09.558 INFO kablam! 131 |         a - a;
Sep 05 00:32:09.558 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.558 INFO kablam! 
Sep 05 00:32:09.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.558 INFO kablam!    --> lib.rs:132:9
Sep 05 00:32:09.558 INFO kablam!     |
Sep 05 00:32:09.558 INFO kablam! 132 |         a * a;
Sep 05 00:32:09.558 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.558 INFO kablam! 
Sep 05 00:32:09.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.558 INFO kablam!    --> lib.rs:133:9
Sep 05 00:32:09.558 INFO kablam!     |
Sep 05 00:32:09.558 INFO kablam! 133 |         a / a;
Sep 05 00:32:09.558 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.558 INFO kablam! 
Sep 05 00:32:09.558 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.559 INFO kablam!    --> lib.rs:134:9
Sep 05 00:32:09.559 INFO kablam!     |
Sep 05 00:32:09.559 INFO kablam! 134 |         a + 1;
Sep 05 00:32:09.559 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.559 INFO kablam! 
Sep 05 00:32:09.559 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.559 INFO kablam!    --> lib.rs:135:9
Sep 05 00:32:09.559 INFO kablam!     |
Sep 05 00:32:09.559 INFO kablam! 135 |         a - 1;
Sep 05 00:32:09.559 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.559 INFO kablam! 
Sep 05 00:32:09.559 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.559 INFO kablam!    --> lib.rs:136:9
Sep 05 00:32:09.559 INFO kablam!     |
Sep 05 00:32:09.559 INFO kablam! 136 |         a * 1;
Sep 05 00:32:09.559 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.559 INFO kablam! 
Sep 05 00:32:09.559 INFO kablam! warning: unused arithmetic operation which must be used
Sep 05 00:32:09.559 INFO kablam!    --> lib.rs:137:9
Sep 05 00:32:09.559 INFO kablam!     |
Sep 05 00:32:09.559 INFO kablam! 137 |         a / 1;
Sep 05 00:32:09.559 INFO kablam!     |         ^^^^^
Sep 05 00:32:09.559 INFO kablam! 
Sep 05 00:32:09.570 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Sep 05 00:32:09.573 INFO kablam! su: No module specific data is present
Sep 05 00:32:10.537 INFO running `"docker" "rm" "-f" "b1d4edd69f8d6395dd78b7cf1f6e97a0708b3f0534d0f3be14aa5b50c1681a39"`
Sep 05 00:32:10.623 INFO blam! b1d4edd69f8d6395dd78b7cf1f6e97a0708b3f0534d0f3be14aa5b50c1681a39