Nov 09 13:43:40.800 INFO checking dtoebe/leapyear-rs against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 13:43:40.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 13:43:41.353 INFO blam! 5f33b931d2a1cb29cf03c79e112e96826ca9c7b2d02739e5b78c10b8e784b629
Nov 09 13:43:41.355 INFO running `"docker" "start" "-a" "5f33b931d2a1cb29cf03c79e112e96826ca9c7b2d02739e5b78c10b8e784b629"`
Nov 09 13:43:42.519 INFO kablam! usermod: no changes
Nov 09 13:43:42.599 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 09 13:43:43.407 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 13:43:43.407 INFO kablam!   --> src/lib.rs:64:9
Nov 09 13:43:43.407 INFO kablam!    |
Nov 09 13:43:43.407 INFO kablam! 64 |     use test::Bencher;
Nov 09 13:43:43.407 INFO kablam!    |         ^^^^
Nov 09 13:43:43.407 INFO kablam!    |
Nov 09 13:43:43.407 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 13:43:43.407 INFO kablam! 
Nov 09 13:43:43.494 INFO kablam! error: aborting due to previous error
Nov 09 13:43:43.494 INFO kablam! 
Nov 09 13:43:43.494 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 09 13:43:43.527 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 09 13:43:43.527 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 09 13:43:44.511 INFO kablam! error: build failed
Nov 09 13:43:44.523 INFO kablam! su: No module specific data is present
Nov 09 13:43:45.597 INFO running `"docker" "rm" "-f" "5f33b931d2a1cb29cf03c79e112e96826ca9c7b2d02739e5b78c10b8e784b629"`
Nov 09 13:43:45.911 INFO blam! 5f33b931d2a1cb29cf03c79e112e96826ca9c7b2d02739e5b78c10b8e784b629