Sep 10 21:22:43.139 INFO checking cheque-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 21:22:43.139 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 21:22:43.140 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 21:22:43.363 INFO blam! 4a82951d7b5403c506b714e126141a4888aa9fcdec9bdc6eb81e47981b32d09a
Sep 10 21:22:43.365 INFO running `"docker" "start" "-a" "4a82951d7b5403c506b714e126141a4888aa9fcdec9bdc6eb81e47981b32d09a"`
Sep 10 21:22:44.998 INFO kablam! usermod: no changes
Sep 10 21:22:45.082 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Sep 10 21:22:46.078 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.078 INFO kablam!    --> lib.rs:130:9
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam! 130 |         a + a;
Sep 10 21:22:46.078 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 10 21:22:46.078 INFO kablam! 
Sep 10 21:22:46.078 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.078 INFO kablam!    --> lib.rs:131:9
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam! 131 |         a - a;
Sep 10 21:22:46.078 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.078 INFO kablam! 
Sep 10 21:22:46.078 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.078 INFO kablam!    --> lib.rs:132:9
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam! 132 |         a * a;
Sep 10 21:22:46.078 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.078 INFO kablam! 
Sep 10 21:22:46.078 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.078 INFO kablam!    --> lib.rs:133:9
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam! 133 |         a / a;
Sep 10 21:22:46.078 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.078 INFO kablam! 
Sep 10 21:22:46.078 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.078 INFO kablam!    --> lib.rs:134:9
Sep 10 21:22:46.078 INFO kablam!     |
Sep 10 21:22:46.078 INFO kablam! 134 |         a + 1;
Sep 10 21:22:46.079 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.079 INFO kablam! 
Sep 10 21:22:46.079 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.079 INFO kablam!    --> lib.rs:135:9
Sep 10 21:22:46.079 INFO kablam!     |
Sep 10 21:22:46.079 INFO kablam! 135 |         a - 1;
Sep 10 21:22:46.079 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.079 INFO kablam! 
Sep 10 21:22:46.079 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.079 INFO kablam!    --> lib.rs:136:9
Sep 10 21:22:46.079 INFO kablam!     |
Sep 10 21:22:46.079 INFO kablam! 136 |         a * 1;
Sep 10 21:22:46.079 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.079 INFO kablam! 
Sep 10 21:22:46.079 INFO kablam! warning: unused arithmetic operation which must be used
Sep 10 21:22:46.079 INFO kablam!    --> lib.rs:137:9
Sep 10 21:22:46.079 INFO kablam!     |
Sep 10 21:22:46.079 INFO kablam! 137 |         a / 1;
Sep 10 21:22:46.079 INFO kablam!     |         ^^^^^
Sep 10 21:22:46.079 INFO kablam! 
Sep 10 21:22:46.130 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Sep 10 21:22:46.130 INFO kablam! su: No module specific data is present
Sep 10 21:22:47.564 INFO running `"docker" "rm" "-f" "4a82951d7b5403c506b714e126141a4888aa9fcdec9bdc6eb81e47981b32d09a"`
Sep 10 21:22:47.683 INFO blam! 4a82951d7b5403c506b714e126141a4888aa9fcdec9bdc6eb81e47981b32d09a