Nov 04 07:34:03.620 INFO checking dtoebe/leapyear-rs against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 07:34:03.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-7/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 07:34:04.092 INFO blam! 1a414666d4dfc1f7b0aa6f5a418ed5f5043b90bdab58d9e4bded985099853dfa
Nov 04 07:34:04.099 INFO running `"docker" "start" "-a" "1a414666d4dfc1f7b0aa6f5a418ed5f5043b90bdab58d9e4bded985099853dfa"`
Nov 04 07:34:05.371 INFO kablam! usermod: no changes
Nov 04 07:34:05.475 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 04 07:34:06.179 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #54658)
Nov 04 07:34:06.180 INFO kablam!   --> src/lib.rs:64:9
Nov 04 07:34:06.181 INFO kablam!    |
Nov 04 07:34:06.181 INFO kablam! 64 |     use test::Bencher;
Nov 04 07:34:06.182 INFO kablam!    |         ^^^^
Nov 04 07:34:06.182 INFO kablam!    |
Nov 04 07:34:06.183 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 04 07:34:06.183 INFO kablam! 
Nov 04 07:34:06.232 INFO kablam! error: aborting due to previous error
Nov 04 07:34:06.233 INFO kablam! 
Nov 04 07:34:06.234 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 04 07:34:06.241 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 04 07:34:06.242 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 04 07:34:06.284 INFO kablam! error: build failed
Nov 04 07:34:06.286 INFO kablam! su: No module specific data is present
Nov 04 07:34:07.202 INFO running `"docker" "rm" "-f" "1a414666d4dfc1f7b0aa6f5a418ed5f5043b90bdab58d9e4bded985099853dfa"`
Nov 04 07:34:07.585 INFO blam! 1a414666d4dfc1f7b0aa6f5a418ed5f5043b90bdab58d9e4bded985099853dfa