Aug 01 23:10:14.841 INFO checking s32k144-0.9.0 against 1.27.2 for lazy_static-1
Aug 01 23:10:14.841 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:10:14.841 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:10:14.841 INFO running `"docker" "create" "-v" "/tmp/crater.z2tJVEPt3GgS:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 23:10:15.099 INFO blam! af922a3fba59aeb9c47c93fb4d7abd6d50f6f3872edd7fb177a144657f93cb76
Aug 01 23:10:15.101 INFO running `"docker" "start" "-a" "af922a3fba59aeb9c47c93fb4d7abd6d50f6f3872edd7fb177a144657f93cb76"`
Aug 01 23:10:15.901 INFO kablam!     Checking aligned v0.1.2
Aug 01 23:10:15.908 INFO kablam!     Checking untagged-option v0.1.1
Aug 01 23:10:15.909 INFO kablam!     Checking bare-metal v0.1.2
Aug 01 23:10:15.909 INFO kablam!    Compiling cortex-m v0.4.3
Aug 01 23:10:16.465 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:10:16.466 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Aug 01 23:10:16.466 INFO kablam!   |
Aug 01 23:10:16.466 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Aug 01 23:10:16.466 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:10:16.466 INFO kablam! 
Aug 01 23:10:16.466 INFO kablam! error: aborting due to previous error
Aug 01 23:10:16.466 INFO kablam! 
Aug 01 23:10:16.466 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:10:16.479 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:10:16.479 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 01 23:10:16.479 INFO kablam!   |
Aug 01 23:10:16.479 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 01 23:10:16.479 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:10:16.480 INFO kablam! 
Aug 01 23:10:16.480 INFO kablam! error: aborting due to previous error
Aug 01 23:10:16.480 INFO kablam! 
Aug 01 23:10:16.480 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:10:16.484 INFO kablam! error: Could not compile `untagged-option`.
Aug 01 23:10:16.485 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:10:16.493 INFO kablam! error: Could not compile `bare-metal`.
Aug 01 23:10:16.493 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:10:16.535 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:10:16.535 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 01 23:10:16.535 INFO kablam!    |
Aug 01 23:10:16.535 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 01 23:10:16.535 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 01 23:10:16.535 INFO kablam! 
Aug 01 23:10:16.536 INFO kablam! error: aborting due to previous error
Aug 01 23:10:16.536 INFO kablam! 
Aug 01 23:10:16.536 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:10:16.551 INFO kablam! error: Could not compile `aligned`.
Aug 01 23:10:16.551 INFO kablam! 
Aug 01 23:10:16.551 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:10:16.553 INFO kablam! su: No module specific data is present
Aug 01 23:10:17.283 INFO running `"docker" "rm" "-f" "af922a3fba59aeb9c47c93fb4d7abd6d50f6f3872edd7fb177a144657f93cb76"`
Aug 01 23:10:17.436 INFO blam! af922a3fba59aeb9c47c93fb4d7abd6d50f6f3872edd7fb177a144657f93cb76