Nov 02 15:16:37.033 INFO checking dtoebe/leapyear-rs against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 15:16:37.033 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 15:16:37.537 INFO blam! b19e8acd8d1e6db09cfd45e75acd4750d17d5b32ed18fd1c63e284d2283c470a
Nov 02 15:16:37.545 INFO running `"docker" "start" "-a" "b19e8acd8d1e6db09cfd45e75acd4750d17d5b32ed18fd1c63e284d2283c470a"`
Nov 02 15:16:38.688 INFO kablam! usermod: no changes
Nov 02 15:16:38.744 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 02 15:16:39.524 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #54658)
Nov 02 15:16:39.524 INFO kablam!   --> src/lib.rs:64:9
Nov 02 15:16:39.524 INFO kablam!    |
Nov 02 15:16:39.524 INFO kablam! 64 |     use test::Bencher;
Nov 02 15:16:39.524 INFO kablam!    |         ^^^^
Nov 02 15:16:39.530 INFO kablam!    |
Nov 02 15:16:39.530 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 02 15:16:39.530 INFO kablam! 
Nov 02 15:16:39.660 INFO kablam! error: aborting due to previous error
Nov 02 15:16:39.660 INFO kablam! 
Nov 02 15:16:39.660 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 02 15:16:39.676 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 02 15:16:39.676 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 02 15:16:40.481 INFO kablam! error: build failed
Nov 02 15:16:40.483 INFO kablam! su: No module specific data is present
Nov 02 15:16:41.673 INFO running `"docker" "rm" "-f" "b19e8acd8d1e6db09cfd45e75acd4750d17d5b32ed18fd1c63e284d2283c470a"`
Nov 02 15:16:42.024 INFO blam! b19e8acd8d1e6db09cfd45e75acd4750d17d5b32ed18fd1c63e284d2283c470a