Aug 02 11:00:36.410 INFO checking efm32hg222f64-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:00:36.410 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:00:36.410 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:00:36.410 INFO running `"docker" "create" "-v" "/tmp/crater.G8JCW3NtVSoj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 11:00:36.694 INFO blam! a3eae2f174590f277d21f12d50b91341b2bb83e994bb8a31b92c0ce497cfca63
Aug 02 11:00:36.696 INFO running `"docker" "start" "-a" "a3eae2f174590f277d21f12d50b91341b2bb83e994bb8a31b92c0ce497cfca63"`
Aug 02 11:00:38.328 INFO kablam!     Checking aligned v0.1.2
Aug 02 11:00:38.329 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 11:00:38.329 INFO kablam!     Checking untagged-option v0.1.1
Aug 02 11:00:38.685 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:00:38.685 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 11:00:38.685 INFO kablam!   |
Aug 02 11:00:38.685 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 11:00:38.685 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:00:38.686 INFO kablam! 
Aug 02 11:00:38.686 INFO kablam! error: aborting due to previous error
Aug 02 11:00:38.686 INFO kablam! 
Aug 02 11:00:38.686 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:00:38.693 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 11:00:38.693 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:00:38.777 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:00:38.777 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Aug 02 11:00:38.777 INFO kablam!   |
Aug 02 11:00:38.777 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Aug 02 11:00:38.777 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:00:38.777 INFO kablam! 
Aug 02 11:00:38.779 INFO kablam! error: aborting due to previous error
Aug 02 11:00:38.780 INFO kablam! 
Aug 02 11:00:38.780 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:00:38.787 INFO kablam! error: Could not compile `untagged-option`.
Aug 02 11:00:38.787 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:00:38.863 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:00:38.863 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 02 11:00:38.863 INFO kablam!    |
Aug 02 11:00:38.863 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 02 11:00:38.863 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 02 11:00:38.864 INFO kablam! 
Aug 02 11:00:38.866 INFO kablam! error: aborting due to previous error
Aug 02 11:00:38.867 INFO kablam! 
Aug 02 11:00:38.867 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:00:38.889 INFO kablam! error: Could not compile `aligned`.
Aug 02 11:00:38.889 INFO kablam! 
Aug 02 11:00:38.889 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:00:38.891 INFO kablam! su: No module specific data is present
Aug 02 11:00:39.545 INFO running `"docker" "rm" "-f" "a3eae2f174590f277d21f12d50b91341b2bb83e994bb8a31b92c0ce497cfca63"`
Aug 02 11:00:39.752 INFO blam! a3eae2f174590f277d21f12d50b91341b2bb83e994bb8a31b92c0ce497cfca63