Aug 02 04:17:34.610 INFO checking mk20d7-hal-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:17:34.610 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:34.610 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:34.610 INFO running `"docker" "create" "-v" "/tmp/crater.XkJTqW3WzfWS:/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 04:17:34.807 INFO blam! 2a45039f2d73a6842e6c2587eb32a893339427d179532e498eb8d0e035d85389
Aug 02 04:17:34.812 INFO running `"docker" "start" "-a" "2a45039f2d73a6842e6c2587eb32a893339427d179532e498eb8d0e035d85389"`
Aug 02 04:17:35.744 INFO kablam!    Compiling mk20d7 v0.1.1
Aug 02 04:17:35.744 INFO kablam!     Checking aligned v0.1.2
Aug 02 04:17:35.745 INFO kablam!     Checking untagged-option v0.1.1
Aug 02 04:17:35.746 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 04:17:35.746 INFO kablam!     Checking embedded-hal v0.1.3
Aug 02 04:17:35.923 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:35.923 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Aug 02 04:17:35.923 INFO kablam!   |
Aug 02 04:17:35.923 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Aug 02 04:17:35.923 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:35.923 INFO kablam! 
Aug 02 04:17:35.924 INFO kablam! error: aborting due to previous error
Aug 02 04:17:35.924 INFO kablam! 
Aug 02 04:17:35.924 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:35.927 INFO kablam! error: Could not compile `untagged-option`.
Aug 02 04:17:35.927 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:35.960 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:35.960 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 04:17:35.960 INFO kablam!   |
Aug 02 04:17:35.960 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 04:17:35.960 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:35.960 INFO kablam! 
Aug 02 04:17:35.960 INFO kablam! error: aborting due to previous error
Aug 02 04:17:35.960 INFO kablam! 
Aug 02 04:17:35.960 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:35.969 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 04:17:35.969 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:36.043 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:36.043 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 02 04:17:36.043 INFO kablam!    |
Aug 02 04:17:36.043 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 02 04:17:36.043 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 02 04:17:36.043 INFO kablam! 
Aug 02 04:17:36.045 INFO kablam! error: aborting due to previous error
Aug 02 04:17:36.045 INFO kablam! 
Aug 02 04:17:36.046 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:36.052 INFO kablam! error: Could not compile `aligned`.
Aug 02 04:17:36.052 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:36.090 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:36.090 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Aug 02 04:17:36.090 INFO kablam!     |
Aug 02 04:17:36.090 INFO kablam! 681 | #![feature(never_type)]
Aug 02 04:17:36.090 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:36.090 INFO kablam! 
Aug 02 04:17:36.094 INFO kablam! error: aborting due to previous error
Aug 02 04:17:36.094 INFO kablam! 
Aug 02 04:17:36.094 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:36.099 INFO kablam! error: Could not compile `embedded-hal`.
Aug 02 04:17:36.100 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:36.764 INFO kablam! error: build failed
Aug 02 04:17:36.764 INFO kablam! su: No module specific data is present
Aug 02 04:17:37.432 INFO running `"docker" "rm" "-f" "2a45039f2d73a6842e6c2587eb32a893339427d179532e498eb8d0e035d85389"`
Aug 02 04:17:37.546 INFO blam! 2a45039f2d73a6842e6c2587eb32a893339427d179532e498eb8d0e035d85389