Sep 02 00:46:30.120 INFO checking scarlet-0.2.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 00:46:30.120 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 00:46:30.121 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 00:46:30.329 INFO blam! 32db7294885ca41ea25674987a9728d53ec401b2926bfa3d27ad097f3da2d8b1
Sep 02 00:46:30.332 INFO running `"docker" "start" "-a" "32db7294885ca41ea25674987a9728d53ec401b2926bfa3d27ad097f3da2d8b1"`
Sep 02 00:46:31.279 INFO kablam!     Checking nalgebra v0.14.4
Sep 02 00:47:14.873 INFO kablam!     Checking scarlet v0.2.2 (file:///source)
Sep 02 00:47:19.122 INFO kablam! warning: unused variable: `color3`
Sep 02 00:47:19.122 INFO kablam!    --> src/colors/cielabcolor.rs:185:13
Sep 02 00:47:19.122 INFO kablam!     |
Sep 02 00:47:19.122 INFO kablam! 185 |         let color3: CIELABColor = color2.convert();
Sep 02 00:47:19.122 INFO kablam!     |             ^^^^^^ help: consider using `_color3` instead
Sep 02 00:47:19.123 INFO kablam!     |
Sep 02 00:47:19.123 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 02 00:47:19.123 INFO kablam! 
Sep 02 00:47:20.078 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 48.97s
Sep 02 00:47:20.086 INFO kablam! su: No module specific data is present
Sep 02 00:47:20.532 INFO running `"docker" "rm" "-f" "32db7294885ca41ea25674987a9728d53ec401b2926bfa3d27ad097f3da2d8b1"`
Sep 02 00:47:20.720 INFO blam! 32db7294885ca41ea25674987a9728d53ec401b2926bfa3d27ad097f3da2d8b1