Aug 02 09:47:46.646 INFO checking fp-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 09:47:46.646 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:47:46.646 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:47:46.647 INFO running `"docker" "create" "-v" "/tmp/crater.QLOeQqynxmSJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 09:47:46.861 INFO blam! 612378a3756bb9a6333ee51f1d00b34faec4939aa19cb7f785d2bd75ed995a98
Aug 02 09:47:46.862 INFO running `"docker" "start" "-a" "612378a3756bb9a6333ee51f1d00b34faec4939aa19cb7f785d2bd75ed995a98"`
Aug 02 09:47:47.913 INFO kablam!     Checking fp v0.1.0 (file:///source)
Aug 02 09:47:48.266 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:47:48.267 INFO kablam!  --> src/lib.rs:2:1
Aug 02 09:47:48.267 INFO kablam!   |
Aug 02 09:47:48.267 INFO kablam! 2 | #![feature(const_fn)]
Aug 02 09:47:48.267 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:47:48.267 INFO kablam! 
Aug 02 09:47:48.267 INFO kablam! error: aborting due to previous error
Aug 02 09:47:48.267 INFO kablam! 
Aug 02 09:47:48.267 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:47:48.312 INFO kablam! error: Could not compile `fp`.
Aug 02 09:47:48.313 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:47:48.520 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:47:48.520 INFO kablam!  --> src/lib.rs:2:1
Aug 02 09:47:48.520 INFO kablam!   |
Aug 02 09:47:48.520 INFO kablam! 2 | #![feature(const_fn)]
Aug 02 09:47:48.520 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:47:48.521 INFO kablam! 
Aug 02 09:47:48.521 INFO kablam! error: aborting due to previous error
Aug 02 09:47:48.521 INFO kablam! 
Aug 02 09:47:48.521 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:47:48.536 INFO kablam! error: Could not compile `fp`.
Aug 02 09:47:48.537 INFO kablam! 
Aug 02 09:47:48.537 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:47:48.538 INFO kablam! su: No module specific data is present
Aug 02 09:47:49.566 INFO running `"docker" "rm" "-f" "612378a3756bb9a6333ee51f1d00b34faec4939aa19cb7f785d2bd75ed995a98"`
Aug 02 09:47:49.763 INFO blam! 612378a3756bb9a6333ee51f1d00b34faec4939aa19cb7f785d2bd75ed995a98