Sep 14 18:31:19.831 INFO checking cheque-0.2.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 18:31:19.831 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 18:31:19.831 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 18:31:20.099 INFO blam! 5c689b5159a1c23536c9e3a29b0f4d3b4e0d51148dde99a1e4c050b8941f98e4
Sep 14 18:31:20.107 INFO running `"docker" "start" "-a" "5c689b5159a1c23536c9e3a29b0f4d3b4e0d51148dde99a1e4c050b8941f98e4"`
Sep 14 18:31:21.232 INFO kablam! usermod: no changes
Sep 14 18:31:21.269 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Sep 14 18:31:21.814 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.814 INFO kablam!    --> lib.rs:130:9
Sep 14 18:31:21.814 INFO kablam!     |
Sep 14 18:31:21.814 INFO kablam! 130 |         a + a;
Sep 14 18:31:21.814 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.814 INFO kablam!     |
Sep 14 18:31:21.814 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 14 18:31:21.814 INFO kablam! 
Sep 14 18:31:21.814 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.814 INFO kablam!    --> lib.rs:131:9
Sep 14 18:31:21.814 INFO kablam!     |
Sep 14 18:31:21.814 INFO kablam! 131 |         a - a;
Sep 14 18:31:21.814 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.814 INFO kablam! 
Sep 14 18:31:21.814 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.814 INFO kablam!    --> lib.rs:132:9
Sep 14 18:31:21.814 INFO kablam!     |
Sep 14 18:31:21.814 INFO kablam! 132 |         a * a;
Sep 14 18:31:21.814 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:21.815 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.815 INFO kablam!    --> lib.rs:133:9
Sep 14 18:31:21.815 INFO kablam!     |
Sep 14 18:31:21.815 INFO kablam! 133 |         a / a;
Sep 14 18:31:21.815 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:21.815 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.815 INFO kablam!    --> lib.rs:134:9
Sep 14 18:31:21.815 INFO kablam!     |
Sep 14 18:31:21.815 INFO kablam! 134 |         a + 1;
Sep 14 18:31:21.815 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:21.815 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.815 INFO kablam!    --> lib.rs:135:9
Sep 14 18:31:21.815 INFO kablam!     |
Sep 14 18:31:21.815 INFO kablam! 135 |         a - 1;
Sep 14 18:31:21.815 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:21.815 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.815 INFO kablam!    --> lib.rs:136:9
Sep 14 18:31:21.815 INFO kablam!     |
Sep 14 18:31:21.815 INFO kablam! 136 |         a * 1;
Sep 14 18:31:21.815 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:21.815 INFO kablam! warning: unused arithmetic operation which must be used
Sep 14 18:31:21.815 INFO kablam!    --> lib.rs:137:9
Sep 14 18:31:21.815 INFO kablam!     |
Sep 14 18:31:21.815 INFO kablam! 137 |         a / 1;
Sep 14 18:31:21.815 INFO kablam!     |         ^^^^^
Sep 14 18:31:21.815 INFO kablam! 
Sep 14 18:31:22.007 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
Sep 14 18:31:22.007 INFO kablam! su: No module specific data is present
Sep 14 18:31:22.864 INFO running `"docker" "rm" "-f" "5c689b5159a1c23536c9e3a29b0f4d3b4e0d51148dde99a1e4c050b8941f98e4"`
Sep 14 18:31:23.144 INFO blam! 5c689b5159a1c23536c9e3a29b0f4d3b4e0d51148dde99a1e4c050b8941f98e4