Nov 09 13:43:41.240 INFO checking dtoebe/leapyear-rs against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 13:43:41.241 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 13:43:41.778 INFO blam! 52b7af45ce23f87b4eabee4274e5edf6d2fda9fef2df3e8637dcd009d747cabe
Nov 09 13:43:41.801 INFO running `"docker" "start" "-a" "52b7af45ce23f87b4eabee4274e5edf6d2fda9fef2df3e8637dcd009d747cabe"`
Nov 09 13:43:43.156 INFO kablam! usermod: no changes
Nov 09 13:43:43.207 INFO kablam!     Checking leapyear-rs v0.1.0 (/source)
Nov 09 13:43:43.927 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 13:43:43.927 INFO kablam!   --> src/lib.rs:64:9
Nov 09 13:43:43.927 INFO kablam!    |
Nov 09 13:43:43.927 INFO kablam! 64 |     use test::Bencher;
Nov 09 13:43:43.927 INFO kablam!    |         ^^^^
Nov 09 13:43:43.927 INFO kablam!    |
Nov 09 13:43:43.927 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 13:43:43.927 INFO kablam! 
Nov 09 13:43:44.013 INFO kablam! error: aborting due to previous error
Nov 09 13:43:44.013 INFO kablam! 
Nov 09 13:43:44.013 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 09 13:43:44.039 INFO kablam! error: Could not compile `leapyear-rs`.
Nov 09 13:43:44.039 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 09 13:43:44.271 INFO kablam! error: build failed
Nov 09 13:43:44.273 INFO kablam! su: No module specific data is present
Nov 09 13:43:45.326 INFO running `"docker" "rm" "-f" "52b7af45ce23f87b4eabee4274e5edf6d2fda9fef2df3e8637dcd009d747cabe"`
Nov 09 13:43:45.703 INFO blam! 52b7af45ce23f87b4eabee4274e5edf6d2fda9fef2df3e8637dcd009d747cabe