Sep 21 02:13:24.414 INFO checking superslice-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 02:13:24.414 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 02:13:24.414 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:13:24.664 INFO blam! f6c7f6c764774610c01f29c2a78cbda419a78fd2336ab6cbd0bf0eca4dcb0cc7
Sep 21 02:13:24.666 INFO running `"docker" "start" "-a" "f6c7f6c764774610c01f29c2a78cbda419a78fd2336ab6cbd0bf0eca4dcb0cc7"`
Sep 21 02:13:25.686 INFO kablam! usermod: no changes
Sep 21 02:13:25.733 INFO kablam!     Checking superslice v0.1.0 (/source)
Sep 21 02:13:26.471 INFO kablam! warning: unused import: `superslice::Ext`
Sep 21 02:13:26.471 INFO kablam!   --> benches/bench.rs:23:5
Sep 21 02:13:26.472 INFO kablam!    |
Sep 21 02:13:26.472 INFO kablam! 23 | use superslice::Ext;
Sep 21 02:13:26.472 INFO kablam!    |     ^^^^^^^^^^^^^^^
Sep 21 02:13:26.472 INFO kablam!    |
Sep 21 02:13:26.472 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 02:13:26.472 INFO kablam! 
Sep 21 02:13:26.575 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Sep 21 02:13:26.578 INFO kablam! su: No module specific data is present
Sep 21 02:13:27.249 INFO running `"docker" "rm" "-f" "f6c7f6c764774610c01f29c2a78cbda419a78fd2336ab6cbd0bf0eca4dcb0cc7"`
Sep 21 02:13:27.370 INFO blam! f6c7f6c764774610c01f29c2a78cbda419a78fd2336ab6cbd0bf0eca4dcb0cc7