Nov 01 15:28:10.613 INFO checking superslice-0.1.0 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 15:28:10.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 15:28:10.883 INFO blam! ed010afe9f97545bb61e979043c7313a7ddedad0a41ff44166954453caebdbc1
Nov 01 15:28:10.890 INFO running `"docker" "start" "-a" "ed010afe9f97545bb61e979043c7313a7ddedad0a41ff44166954453caebdbc1"`
Nov 01 15:28:11.808 INFO kablam! usermod: no changes
Nov 01 15:28:11.849 INFO kablam!     Checking superslice v0.1.0 (/source)
Nov 01 15:28:13.202 INFO kablam! warning: unused import: `superslice::Ext`
Nov 01 15:28:13.202 INFO kablam!   --> benches/bench.rs:23:5
Nov 01 15:28:13.202 INFO kablam!    |
Nov 01 15:28:13.203 INFO kablam! 23 | use superslice::Ext;
Nov 01 15:28:13.204 INFO kablam!    |     ^^^^^^^^^^^^^^^
Nov 01 15:28:13.204 INFO kablam!    |
Nov 01 15:28:13.205 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 01 15:28:13.205 INFO kablam! 
Nov 01 15:28:13.308 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Nov 01 15:28:13.311 INFO kablam! su: No module specific data is present
Nov 01 15:28:13.768 INFO running `"docker" "rm" "-f" "ed010afe9f97545bb61e979043c7313a7ddedad0a41ff44166954453caebdbc1"`
Nov 01 15:28:14.104 INFO blam! ed010afe9f97545bb61e979043c7313a7ddedad0a41ff44166954453caebdbc1