Oct 13 11:15:55.909 INFO checking ordslice-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:15:55.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 11:15:56.304 INFO blam! ab2f20299351971282938d8c86f8894a5419567c20274c6afaa81d23f1dba13d
Oct 13 11:15:56.307 INFO running `"docker" "start" "-a" "ab2f20299351971282938d8c86f8894a5419567c20274c6afaa81d23f1dba13d"`
Oct 13 11:15:57.078 INFO kablam! usermod: no changes
Oct 13 11:15:57.120 INFO kablam!     Checking ordslice v0.3.0 (/source)
Oct 13 11:15:58.388 INFO kablam! warning: unused import: `ordslice::Ext`
Oct 13 11:15:58.388 INFO kablam!   --> benches/bench.rs:23:5
Oct 13 11:15:58.388 INFO kablam!    |
Oct 13 11:15:58.388 INFO kablam! 23 | use ordslice::Ext;
Oct 13 11:15:58.388 INFO kablam!    |     ^^^^^^^^^^^^^
Oct 13 11:15:58.388 INFO kablam!    |
Oct 13 11:15:58.388 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 11:15:58.388 INFO kablam! 
Oct 13 11:15:58.493 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Oct 13 11:15:58.499 INFO kablam! su: No module specific data is present
Oct 13 11:15:58.995 INFO running `"docker" "rm" "-f" "ab2f20299351971282938d8c86f8894a5419567c20274c6afaa81d23f1dba13d"`
Oct 13 11:15:59.118 INFO blam! ab2f20299351971282938d8c86f8894a5419567c20274c6afaa81d23f1dba13d