Aug 01 21:22:39.577 INFO checking stepgen-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:22:39.577 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:22:39.577 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:22:39.577 INFO running `"docker" "create" "-v" "/tmp/crater.98vn4pCqasd6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 01 21:22:39.823 INFO blam! 3e2ebe62e8981956fb6ebc75bee57090f6cf7fcc933b4fccf6298f471f73f0b3
Aug 01 21:22:39.827 INFO running `"docker" "start" "-a" "3e2ebe62e8981956fb6ebc75bee57090f6cf7fcc933b4fccf6298f471f73f0b3"`
Aug 01 21:22:40.824 INFO kablam!     Checking stepgen v0.1.2 (file:///source)
Aug 01 21:22:41.260 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:22:41.260 INFO kablam!  --> src/lib.rs:2:1
Aug 01 21:22:41.260 INFO kablam!   |
Aug 01 21:22:41.260 INFO kablam! 2 | #![feature(const_fn)]
Aug 01 21:22:41.260 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:22:41.268 INFO kablam! 
Aug 01 21:22:41.270 INFO kablam! error: aborting due to previous error
Aug 01 21:22:41.270 INFO kablam! 
Aug 01 21:22:41.270 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:22:41.276 INFO kablam! error: Could not compile `stepgen`.
Aug 01 21:22:41.276 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:22:41.341 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:22:41.341 INFO kablam!  --> src/lib.rs:2:1
Aug 01 21:22:41.341 INFO kablam!   |
Aug 01 21:22:41.341 INFO kablam! 2 | #![feature(const_fn)]
Aug 01 21:22:41.341 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:22:41.341 INFO kablam! 
Aug 01 21:22:41.344 INFO kablam! error: aborting due to previous error
Aug 01 21:22:41.344 INFO kablam! 
Aug 01 21:22:41.344 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:22:41.355 INFO kablam! error: Could not compile `stepgen`.
Aug 01 21:22:41.355 INFO kablam! 
Aug 01 21:22:41.355 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:22:41.361 INFO kablam! su: No module specific data is present
Aug 01 21:22:41.906 INFO running `"docker" "rm" "-f" "3e2ebe62e8981956fb6ebc75bee57090f6cf7fcc933b4fccf6298f471f73f0b3"`
Aug 01 21:22:42.089 INFO blam! 3e2ebe62e8981956fb6ebc75bee57090f6cf7fcc933b4fccf6298f471f73f0b3