Aug 01 21:22:36.875 INFO checking stepper-driver-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 21:22:36.875 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:22:36.875 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:22:36.875 INFO running `"docker" "create" "-v" "/tmp/crater.I0QgsMHU0Nbc:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 01 21:22:37.162 INFO blam! 975b651795a648e74e3cda87446fa9274cfeab9c0a9898cbcc2d2fae6865885f
Aug 01 21:22:37.165 INFO running `"docker" "start" "-a" "975b651795a648e74e3cda87446fa9274cfeab9c0a9898cbcc2d2fae6865885f"`
Aug 01 21:22:38.072 INFO kablam!     Checking embedded-hal v0.1.3
Aug 01 21:22:38.520 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:22:38.520 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Aug 01 21:22:38.520 INFO kablam!     |
Aug 01 21:22:38.520 INFO kablam! 681 | #![feature(never_type)]
Aug 01 21:22:38.520 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 21:22:38.520 INFO kablam! 
Aug 01 21:22:38.537 INFO kablam! error: aborting due to previous error
Aug 01 21:22:38.537 INFO kablam! 
Aug 01 21:22:38.537 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:22:38.542 INFO kablam! error: Could not compile `embedded-hal`.
Aug 01 21:22:38.542 INFO kablam! 
Aug 01 21:22:38.542 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 21:22:38.543 INFO kablam! su: No module specific data is present
Aug 01 21:22:39.070 INFO running `"docker" "rm" "-f" "975b651795a648e74e3cda87446fa9274cfeab9c0a9898cbcc2d2fae6865885f"`
Aug 01 21:22:39.277 INFO blam! 975b651795a648e74e3cda87446fa9274cfeab9c0a9898cbcc2d2fae6865885f