Aug 02 00:25:55.263 INFO checking rn4870-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 00:25:55.263 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:25:55.263 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:25:55.263 INFO running `"docker" "create" "-v" "/tmp/crater.hsT8ozhlHvRn:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 00:25:55.502 INFO blam! 5f0e3e44eaaf617914aa850164f625036101779514838b7fbd7e566f2b71bac7
Aug 02 00:25:55.504 INFO running `"docker" "start" "-a" "5f0e3e44eaaf617914aa850164f625036101779514838b7fbd7e566f2b71bac7"`
Aug 02 00:25:56.524 INFO kablam!     Checking embedded-hal v0.1.3
Aug 02 00:25:56.764 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:25:56.764 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Aug 02 00:25:56.764 INFO kablam!     |
Aug 02 00:25:56.764 INFO kablam! 681 | #![feature(never_type)]
Aug 02 00:25:56.764 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 00:25:56.765 INFO kablam! 
Aug 02 00:25:56.769 INFO kablam! error: aborting due to previous error
Aug 02 00:25:56.769 INFO kablam! 
Aug 02 00:25:56.769 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:25:56.775 INFO kablam! error: Could not compile `embedded-hal`.
Aug 02 00:25:56.775 INFO kablam! 
Aug 02 00:25:56.775 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 00:25:56.776 INFO kablam! su: No module specific data is present
Aug 02 00:25:57.386 INFO running `"docker" "rm" "-f" "5f0e3e44eaaf617914aa850164f625036101779514838b7fbd7e566f2b71bac7"`
Aug 02 00:25:57.579 INFO blam! 5f0e3e44eaaf617914aa850164f625036101779514838b7fbd7e566f2b71bac7