Nov 04 07:34:02.825 INFO checking dtoebe/leapyear-rs against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 07:34:02.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 04 07:34:03.406 INFO blam! 28203e366a8066113ac687ea09e9820671b139a8c61afe4cd4b31e928f7d9748
Nov 04 07:34:03.413 INFO running `"docker" "start" "-a" "28203e366a8066113ac687ea09e9820671b139a8c61afe4cd4b31e928f7d9748"`
Nov 04 07:34:04.675 INFO kablam! usermod: no changes
Nov 04 07:34:04.747 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 04 07:34:05.614 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #54658)
Nov 04 07:34:05.614 INFO kablam!   --> src/lib.rs:64:9
Nov 04 07:34:05.614 INFO kablam!    |
Nov 04 07:34:05.614 INFO kablam! 64 |     use test::Bencher;
Nov 04 07:34:05.614 INFO kablam!    |         ^^^^
Nov 04 07:34:05.614 INFO kablam!    |
Nov 04 07:34:05.614 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 04 07:34:05.614 INFO kablam! 
Nov 04 07:34:05.759 INFO kablam! error: aborting due to previous error
Nov 04 07:34:05.795 INFO kablam! 
Nov 04 07:34:05.795 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 04 07:34:05.797 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 04 07:34:05.797 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 04 07:34:06.447 INFO kablam! error: build failed
Nov 04 07:34:06.448 INFO kablam! su: No module specific data is present
Nov 04 07:34:07.359 INFO running `"docker" "rm" "-f" "28203e366a8066113ac687ea09e9820671b139a8c61afe4cd4b31e928f7d9748"`
Nov 04 07:34:07.650 INFO blam! 28203e366a8066113ac687ea09e9820671b139a8c61afe4cd4b31e928f7d9748