Sep 19 19:23:24.857 INFO checking superslice-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:23:24.857 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:23:24.857 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:23:25.041 INFO blam! 55a401abae1f88ff3152b1824396a07e710b99bc47fb39b27d5648aa9fa3017c
Sep 19 19:23:25.043 INFO running `"docker" "start" "-a" "55a401abae1f88ff3152b1824396a07e710b99bc47fb39b27d5648aa9fa3017c"`
Sep 19 19:23:26.092 INFO kablam! usermod: no changes
Sep 19 19:23:26.130 INFO kablam!     Checking superslice v0.1.0 (/source)
Sep 19 19:23:26.605 INFO kablam! warning: unused import: `superslice::Ext`
Sep 19 19:23:26.605 INFO kablam!   --> benches/bench.rs:23:5
Sep 19 19:23:26.605 INFO kablam!    |
Sep 19 19:23:26.605 INFO kablam! 23 | use superslice::Ext;
Sep 19 19:23:26.605 INFO kablam!    |     ^^^^^^^^^^^^^^^
Sep 19 19:23:26.605 INFO kablam!    |
Sep 19 19:23:26.605 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 19:23:26.605 INFO kablam! 
Sep 19 19:23:26.700 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Sep 19 19:23:26.703 INFO kablam! su: No module specific data is present
Sep 19 19:23:27.186 INFO running `"docker" "rm" "-f" "55a401abae1f88ff3152b1824396a07e710b99bc47fb39b27d5648aa9fa3017c"`
Sep 19 19:23:27.249 INFO blam! 55a401abae1f88ff3152b1824396a07e710b99bc47fb39b27d5648aa9fa3017c