Nov 02 15:16:37.063 INFO checking dtoebe/leapyear-rs against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 15:16:37.063 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 15:16:37.580 INFO blam! 137be0d7c56801c5bbfe71d8a1b3ee785899bb3cfd572160c803c1e2ac70d66e
Nov 02 15:16:37.584 INFO running `"docker" "start" "-a" "137be0d7c56801c5bbfe71d8a1b3ee785899bb3cfd572160c803c1e2ac70d66e"`
Nov 02 15:16:38.656 INFO kablam! usermod: no changes
Nov 02 15:16:38.708 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 02 15:16:39.640 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #54658)
Nov 02 15:16:39.640 INFO kablam!   --> src/lib.rs:64:9
Nov 02 15:16:39.640 INFO kablam!    |
Nov 02 15:16:39.640 INFO kablam! 64 |     use test::Bencher;
Nov 02 15:16:39.640 INFO kablam!    |         ^^^^
Nov 02 15:16:39.640 INFO kablam!    |
Nov 02 15:16:39.640 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 02 15:16:39.640 INFO kablam! 
Nov 02 15:16:39.843 INFO kablam! error: aborting due to previous error
Nov 02 15:16:39.843 INFO kablam! 
Nov 02 15:16:39.843 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 02 15:16:39.862 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 02 15:16:39.862 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 02 15:16:40.604 INFO kablam! error: build failed
Nov 02 15:16:40.604 INFO kablam! su: No module specific data is present
Nov 02 15:16:41.684 INFO running `"docker" "rm" "-f" "137be0d7c56801c5bbfe71d8a1b3ee785899bb3cfd572160c803c1e2ac70d66e"`
Nov 02 15:16:42.037 INFO blam! 137be0d7c56801c5bbfe71d8a1b3ee785899bb3cfd572160c803c1e2ac70d66e