Sep 10 09:26:14.097 INFO checking sparkline-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 09:26:14.097 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 09:26:14.097 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:26:14.395 INFO blam! 272f4d41288c1487ac3996200703adb373a76a23d9c9bb38cc93b6b89ef14a95
Sep 10 09:26:14.397 INFO running `"docker" "start" "-a" "272f4d41288c1487ac3996200703adb373a76a23d9c9bb38cc93b6b89ef14a95"`
Sep 10 09:26:15.546 INFO kablam! usermod: no changes
Sep 10 09:26:15.618 INFO kablam!     Checking sparkline v0.1.1 (file:///source)
Sep 10 09:26:16.008 INFO kablam! warning: unused import: `SparkTheme`
Sep 10 09:26:16.008 INFO kablam!    --> src/lib.rs:100:9
Sep 10 09:26:16.008 INFO kablam!     |
Sep 10 09:26:16.008 INFO kablam! 100 |     use SparkTheme;
Sep 10 09:26:16.008 INFO kablam!     |         ^^^^^^^^^^
Sep 10 09:26:16.008 INFO kablam!     |
Sep 10 09:26:16.008 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 09:26:16.008 INFO kablam! 
Sep 10 09:26:16.650 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Sep 10 09:26:16.650 INFO kablam! su: No module specific data is present
Sep 10 09:26:17.619 INFO running `"docker" "rm" "-f" "272f4d41288c1487ac3996200703adb373a76a23d9c9bb38cc93b6b89ef14a95"`
Sep 10 09:26:17.736 INFO blam! 272f4d41288c1487ac3996200703adb373a76a23d9c9bb38cc93b6b89ef14a95