Aug 11 17:53:49.239 INFO checking cheque-0.2.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 17:53:49.239 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 17:53:49.239 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 17:53:49.239 INFO running `"docker" "create" "-v" "/tmp/crater.BirwbzKtFe73:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-6/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 17:53:49.478 INFO blam! f3f2fdd34c7e9ffeb346357def20bd1a37b1eef6b4e21e22f47de861b6dbc3ff
Aug 11 17:53:49.480 INFO running `"docker" "start" "-a" "f3f2fdd34c7e9ffeb346357def20bd1a37b1eef6b4e21e22f47de861b6dbc3ff"`
Aug 11 17:53:50.349 INFO kablam!     Checking cheque v0.2.0 (file:///source)
Aug 11 17:53:51.686 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.686 INFO kablam!    --> lib.rs:130:9
Aug 11 17:53:51.686 INFO kablam!     |
Aug 11 17:53:51.686 INFO kablam! 130 |         a + a;
Aug 11 17:53:51.686 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.686 INFO kablam!     |
Aug 11 17:53:51.687 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 17:53:51.687 INFO kablam! 
Aug 11 17:53:51.687 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.687 INFO kablam!    --> lib.rs:131:9
Aug 11 17:53:51.687 INFO kablam!     |
Aug 11 17:53:51.687 INFO kablam! 131 |         a - a;
Aug 11 17:53:51.687 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.688 INFO kablam! 
Aug 11 17:53:51.688 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.688 INFO kablam!    --> lib.rs:132:9
Aug 11 17:53:51.688 INFO kablam!     |
Aug 11 17:53:51.688 INFO kablam! 132 |         a * a;
Aug 11 17:53:51.688 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.688 INFO kablam! 
Aug 11 17:53:51.689 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.689 INFO kablam!    --> lib.rs:133:9
Aug 11 17:53:51.689 INFO kablam!     |
Aug 11 17:53:51.689 INFO kablam! 133 |         a / a;
Aug 11 17:53:51.689 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.689 INFO kablam! 
Aug 11 17:53:51.689 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.689 INFO kablam!    --> lib.rs:134:9
Aug 11 17:53:51.689 INFO kablam!     |
Aug 11 17:53:51.689 INFO kablam! 134 |         a + 1;
Aug 11 17:53:51.690 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.690 INFO kablam! 
Aug 11 17:53:51.690 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.690 INFO kablam!    --> lib.rs:135:9
Aug 11 17:53:51.690 INFO kablam!     |
Aug 11 17:53:51.690 INFO kablam! 135 |         a - 1;
Aug 11 17:53:51.690 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.690 INFO kablam! 
Aug 11 17:53:51.691 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.691 INFO kablam!    --> lib.rs:136:9
Aug 11 17:53:51.691 INFO kablam!     |
Aug 11 17:53:51.691 INFO kablam! 136 |         a * 1;
Aug 11 17:53:51.691 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.691 INFO kablam! 
Aug 11 17:53:51.691 INFO kablam! warning: unused arithmetic operation which must be used
Aug 11 17:53:51.692 INFO kablam!    --> lib.rs:137:9
Aug 11 17:53:51.692 INFO kablam!     |
Aug 11 17:53:51.692 INFO kablam! 137 |         a / 1;
Aug 11 17:53:51.692 INFO kablam!     |         ^^^^^
Aug 11 17:53:51.692 INFO kablam! 
Aug 11 17:53:51.721 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Aug 11 17:53:51.724 INFO kablam! su: No module specific data is present
Aug 11 17:53:52.438 INFO running `"docker" "rm" "-f" "f3f2fdd34c7e9ffeb346357def20bd1a37b1eef6b4e21e22f47de861b6dbc3ff"`
Aug 11 17:53:52.603 INFO blam! f3f2fdd34c7e9ffeb346357def20bd1a37b1eef6b4e21e22f47de861b6dbc3ff