Aug 17 09:07:49.125 INFO checking superslice-0.1.0 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 09:07:49.125 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:07:49.125 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 09:07:49.125 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 09:07:49.374 INFO blam! 27c9bf64ec3f7739130021114939079dbff95975f0e18ca5cf2f38714f780b9e
Aug 17 09:07:49.377 INFO running `"docker" "start" "-a" "27c9bf64ec3f7739130021114939079dbff95975f0e18ca5cf2f38714f780b9e"`
Aug 17 09:07:50.404 INFO kablam!     Checking superslice v0.1.0 (file:///source)
Aug 17 09:07:52.310 INFO kablam! warning: unused import: `superslice::Ext`
Aug 17 09:07:52.310 INFO kablam!   --> benches/bench.rs:23:5
Aug 17 09:07:52.310 INFO kablam!    |
Aug 17 09:07:52.310 INFO kablam! 23 | use superslice::Ext;
Aug 17 09:07:52.310 INFO kablam!    |     ^^^^^^^^^^^^^^^
Aug 17 09:07:52.318 INFO kablam!    |
Aug 17 09:07:52.318 INFO kablam!    = note: #[warn(unused_imports)] on by default
Aug 17 09:07:52.318 INFO kablam! 
Aug 17 09:07:52.775 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
Aug 17 09:07:52.779 INFO kablam! su: No module specific data is present
Aug 17 09:07:53.259 INFO running `"docker" "rm" "-f" "27c9bf64ec3f7739130021114939079dbff95975f0e18ca5cf2f38714f780b9e"`
Aug 17 09:07:53.437 INFO blam! 27c9bf64ec3f7739130021114939079dbff95975f0e18ca5cf2f38714f780b9e