Aug 02 11:05:42.917 INFO checking e310x-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 11:05:42.917 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:42.917 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:05:42.917 INFO running `"docker" "create" "-v" "/tmp/crater.tGaD8nswHi3z:/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 11:05:43.049 INFO blam! 1f90e9b3db1a9d78f2732d6f3bf65885d04f244b424bfaa9d77b9b5eb9d41528
Aug 02 11:05:43.051 INFO running `"docker" "start" "-a" "1f90e9b3db1a9d78f2732d6f3bf65885d04f244b424bfaa9d77b9b5eb9d41528"`
Aug 02 11:05:44.143 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 11:05:44.148 INFO kablam!    Compiling e310x v0.1.1 (file:///source)
Aug 02 11:05:44.361 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:05:44.361 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 11:05:44.361 INFO kablam!   |
Aug 02 11:05:44.361 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 11:05:44.361 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:05:44.362 INFO kablam! 
Aug 02 11:05:44.362 INFO kablam! error: aborting due to previous error
Aug 02 11:05:44.362 INFO kablam! 
Aug 02 11:05:44.362 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:05:44.367 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 11:05:44.367 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:05:45.398 INFO kablam! error: build failed
Aug 02 11:05:45.399 INFO kablam! su: No module specific data is present
Aug 02 11:05:45.946 INFO running `"docker" "rm" "-f" "1f90e9b3db1a9d78f2732d6f3bf65885d04f244b424bfaa9d77b9b5eb9d41528"`
Aug 02 11:05:46.136 INFO blam! 1f90e9b3db1a9d78f2732d6f3bf65885d04f244b424bfaa9d77b9b5eb9d41528