Sep 04 21:39:19.924 INFO checking cheque-0.2.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 21:39:19.924 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 21:39:19.924 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:39:20.146 INFO blam! bdaafb5eb64445c85ae603f57544c4633a9d439f1f139f12b49a9e6cfc7be40d
Sep 04 21:39:20.149 INFO running `"docker" "start" "-a" "bdaafb5eb64445c85ae603f57544c4633a9d439f1f139f12b49a9e6cfc7be40d"`
Sep 04 21:39:20.882 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Sep 04 21:39:22.079 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.079 INFO kablam!    --> lib.rs:130:9
Sep 04 21:39:22.079 INFO kablam!     |
Sep 04 21:39:22.079 INFO kablam! 130 |         a + a;
Sep 04 21:39:22.079 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.079 INFO kablam!     |
Sep 04 21:39:22.079 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 21:39:22.079 INFO kablam! 
Sep 04 21:39:22.080 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.081 INFO kablam!    --> lib.rs:131:9
Sep 04 21:39:22.081 INFO kablam!     |
Sep 04 21:39:22.081 INFO kablam! 131 |         a - a;
Sep 04 21:39:22.081 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.081 INFO kablam! 
Sep 04 21:39:22.081 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.081 INFO kablam!    --> lib.rs:132:9
Sep 04 21:39:22.081 INFO kablam!     |
Sep 04 21:39:22.081 INFO kablam! 132 |         a * a;
Sep 04 21:39:22.081 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.081 INFO kablam! 
Sep 04 21:39:22.081 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.081 INFO kablam!    --> lib.rs:133:9
Sep 04 21:39:22.081 INFO kablam!     |
Sep 04 21:39:22.081 INFO kablam! 133 |         a / a;
Sep 04 21:39:22.081 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.081 INFO kablam! 
Sep 04 21:39:22.081 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.081 INFO kablam!    --> lib.rs:134:9
Sep 04 21:39:22.081 INFO kablam!     |
Sep 04 21:39:22.081 INFO kablam! 134 |         a + 1;
Sep 04 21:39:22.081 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.081 INFO kablam! 
Sep 04 21:39:22.081 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.081 INFO kablam!    --> lib.rs:135:9
Sep 04 21:39:22.081 INFO kablam!     |
Sep 04 21:39:22.081 INFO kablam! 135 |         a - 1;
Sep 04 21:39:22.081 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.082 INFO kablam! 
Sep 04 21:39:22.082 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.082 INFO kablam!    --> lib.rs:136:9
Sep 04 21:39:22.082 INFO kablam!     |
Sep 04 21:39:22.082 INFO kablam! 136 |         a * 1;
Sep 04 21:39:22.082 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.082 INFO kablam! 
Sep 04 21:39:22.082 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 21:39:22.082 INFO kablam!    --> lib.rs:137:9
Sep 04 21:39:22.082 INFO kablam!     |
Sep 04 21:39:22.082 INFO kablam! 137 |         a / 1;
Sep 04 21:39:22.082 INFO kablam!     |         ^^^^^
Sep 04 21:39:22.082 INFO kablam! 
Sep 04 21:39:22.097 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Sep 04 21:39:22.100 INFO kablam! su: No module specific data is present
Sep 04 21:39:22.495 INFO running `"docker" "rm" "-f" "bdaafb5eb64445c85ae603f57544c4633a9d439f1f139f12b49a9e6cfc7be40d"`
Sep 04 21:39:22.878 INFO blam! bdaafb5eb64445c85ae603f57544c4633a9d439f1f139f12b49a9e6cfc7be40d