Oct 13 12:02:06.595 INFO checking mio-0.6.16 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:02:06.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 12:02:06.888 INFO blam! b593f0291f794153cc3046908f3502cf79866ab7050a96842753407049e2a02f
Oct 13 12:02:06.896 INFO running `"docker" "start" "-a" "b593f0291f794153cc3046908f3502cf79866ab7050a96842753407049e2a02f"`
Oct 13 12:02:07.563 INFO kablam! usermod: no changes
Oct 13 12:02:07.632 INFO kablam!     Checking mio v0.6.16 (/source)
Oct 13 12:02:11.408 INFO kablam! warning: use of deprecated item 'mio::Registration::new': use `new2` instead
Oct 13 12:02:11.408 INFO kablam!   --> benches/bench_poll.rs:23:22
Oct 13 12:02:11.408 INFO kablam!    |
Oct 13 12:02:11.408 INFO kablam! 23 |         let (r, s) = Registration::new(
Oct 13 12:02:11.408 INFO kablam!    |                      ^^^^^^^^^^^^^^^^^
Oct 13 12:02:11.408 INFO kablam!    |
Oct 13 12:02:11.408 INFO kablam!    = note: #[warn(deprecated)] on by default
Oct 13 12:02:11.408 INFO kablam! 
Oct 13 12:02:13.204 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
Oct 13 12:02:13.208 INFO kablam! su: No module specific data is present
Oct 13 12:02:13.527 INFO running `"docker" "rm" "-f" "b593f0291f794153cc3046908f3502cf79866ab7050a96842753407049e2a02f"`
Oct 13 12:02:13.692 INFO blam! b593f0291f794153cc3046908f3502cf79866ab7050a96842753407049e2a02f