Nov 06 22:34:34.190 INFO checking dtoebe/leapyear-rs against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 06 22:34:34.191 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-5/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 06 22:34:34.568 INFO blam! ce9101bb504c695623366dcf2904fd9cf35068e247f55c945ec4d114991b1b28
Nov 06 22:34:34.580 INFO running `"docker" "start" "-a" "ce9101bb504c695623366dcf2904fd9cf35068e247f55c945ec4d114991b1b28"`
Nov 06 22:34:35.976 INFO kablam! usermod: no changes
Nov 06 22:34:36.060 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 06 22:34:36.576 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #54658)
Nov 06 22:34:36.576 INFO kablam!   --> src/lib.rs:64:9
Nov 06 22:34:36.576 INFO kablam!    |
Nov 06 22:34:36.576 INFO kablam! 64 |     use test::Bencher;
Nov 06 22:34:36.576 INFO kablam!    |         ^^^^
Nov 06 22:34:36.576 INFO kablam!    |
Nov 06 22:34:36.588 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 06 22:34:36.588 INFO kablam! 
Nov 06 22:34:36.630 INFO kablam! error: aborting due to previous error
Nov 06 22:34:36.630 INFO kablam! 
Nov 06 22:34:36.630 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 06 22:34:36.644 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 06 22:34:36.644 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 06 22:34:36.746 INFO kablam! error: build failed
Nov 06 22:34:36.747 INFO kablam! su: No module specific data is present
Nov 06 22:34:37.204 INFO running `"docker" "rm" "-f" "ce9101bb504c695623366dcf2904fd9cf35068e247f55c945ec4d114991b1b28"`
Nov 06 22:34:37.593 INFO blam! ce9101bb504c695623366dcf2904fd9cf35068e247f55c945ec4d114991b1b28