Aug 02 09:47:46.532 INFO checking fp-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:47:46.532 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:47:46.532 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:47:46.533 INFO running `"docker" "create" "-v" "/tmp/crater.dprdgaXCYFvd:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+tmplazy:/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 09:47:46.734 INFO blam! b8f7b082e25d250584ab30568d731728d8bc114ad72b131e80f2ef413d402ac9
Aug 02 09:47:46.737 INFO running `"docker" "start" "-a" "b8f7b082e25d250584ab30568d731728d8bc114ad72b131e80f2ef413d402ac9"`
Aug 02 09:47:47.867 INFO kablam!     Checking fp v0.1.0 (file:///source)
Aug 02 09:47:48.195 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:47:48.195 INFO kablam!  --> src/lib.rs:2:1
Aug 02 09:47:48.195 INFO kablam!   |
Aug 02 09:47:48.195 INFO kablam! 2 | #![feature(const_fn)]
Aug 02 09:47:48.195 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:47:48.196 INFO kablam! 
Aug 02 09:47:48.196 INFO kablam! error: aborting due to previous error
Aug 02 09:47:48.197 INFO kablam! 
Aug 02 09:47:48.197 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:47:48.203 INFO kablam! error: Could not compile `fp`.
Aug 02 09:47:48.203 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:47:48.562 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:47:48.562 INFO kablam!  --> src/lib.rs:2:1
Aug 02 09:47:48.562 INFO kablam!   |
Aug 02 09:47:48.562 INFO kablam! 2 | #![feature(const_fn)]
Aug 02 09:47:48.563 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:47:48.563 INFO kablam! 
Aug 02 09:47:48.563 INFO kablam! error: aborting due to previous error
Aug 02 09:47:48.563 INFO kablam! 
Aug 02 09:47:48.563 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:47:48.570 INFO kablam! error: Could not compile `fp`.
Aug 02 09:47:48.570 INFO kablam! 
Aug 02 09:47:48.571 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:47:48.572 INFO kablam! su: No module specific data is present
Aug 02 09:47:49.450 INFO running `"docker" "rm" "-f" "b8f7b082e25d250584ab30568d731728d8bc114ad72b131e80f2ef413d402ac9"`
Aug 02 09:47:49.624 INFO blam! b8f7b082e25d250584ab30568d731728d8bc114ad72b131e80f2ef413d402ac9