Sep 20 05:27:10.537 INFO checking cheque-0.2.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 05:27:10.537 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 05:27:10.537 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 05:27:10.786 INFO blam! 804d1a4efd08d998788a5071f626d6e0c30ced7b9b7f2414941a4c3416d4b00a
Sep 20 05:27:10.788 INFO running `"docker" "start" "-a" "804d1a4efd08d998788a5071f626d6e0c30ced7b9b7f2414941a4c3416d4b00a"`
Sep 20 05:27:12.285 INFO kablam! usermod: no changes
Sep 20 05:27:12.350 INFO kablam!     Checking cheque v0.2.0 (/source)
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:130:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 130 |         a + a;
Sep 20 05:27:13.474 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 20 05:27:13.474 INFO kablam! 
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:131:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 131 |         a - a;
Sep 20 05:27:13.474 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.474 INFO kablam! 
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:132:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 132 |         a * a;
Sep 20 05:27:13.474 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.474 INFO kablam! 
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:133:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 133 |         a / a;
Sep 20 05:27:13.474 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.474 INFO kablam! 
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:134:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 134 |         a + 1;
Sep 20 05:27:13.474 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.474 INFO kablam! 
Sep 20 05:27:13.474 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.474 INFO kablam!    --> lib.rs:135:9
Sep 20 05:27:13.474 INFO kablam!     |
Sep 20 05:27:13.474 INFO kablam! 135 |         a - 1;
Sep 20 05:27:13.475 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.475 INFO kablam! 
Sep 20 05:27:13.475 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.475 INFO kablam!    --> lib.rs:136:9
Sep 20 05:27:13.475 INFO kablam!     |
Sep 20 05:27:13.475 INFO kablam! 136 |         a * 1;
Sep 20 05:27:13.475 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.475 INFO kablam! 
Sep 20 05:27:13.475 INFO kablam! warning: unused arithmetic operation which must be used
Sep 20 05:27:13.475 INFO kablam!    --> lib.rs:137:9
Sep 20 05:27:13.475 INFO kablam!     |
Sep 20 05:27:13.475 INFO kablam! 137 |         a / 1;
Sep 20 05:27:13.475 INFO kablam!     |         ^^^^^
Sep 20 05:27:13.475 INFO kablam! 
Sep 20 05:27:13.513 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Sep 20 05:27:13.518 INFO kablam! su: No module specific data is present
Sep 20 05:27:14.469 INFO running `"docker" "rm" "-f" "804d1a4efd08d998788a5071f626d6e0c30ced7b9b7f2414941a4c3416d4b00a"`
Sep 20 05:27:14.591 INFO blam! 804d1a4efd08d998788a5071f626d6e0c30ced7b9b7f2414941a4c3416d4b00a