Aug 02 04:17:13.990 INFO checking mkw41z-hal-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 04:17:13.990 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:13.990 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:17:13.991 INFO running `"docker" "create" "-v" "/tmp/crater.CUO9pceT1HmL:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 04:17:14.165 INFO blam! 214a4087563ed00dc30321e39b700fcd3c96ee475d6c3e16f68b9a7bd884e62d
Aug 02 04:17:14.167 INFO running `"docker" "start" "-a" "214a4087563ed00dc30321e39b700fcd3c96ee475d6c3e16f68b9a7bd884e62d"`
Aug 02 04:17:15.177 INFO kablam!    Compiling cortex-m v0.3.1
Aug 02 04:17:15.184 INFO kablam!     Checking aligned v0.1.2
Aug 02 04:17:15.185 INFO kablam!    Compiling cortex-m-rt v0.4.0
Aug 02 04:17:15.185 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 04:17:15.185 INFO kablam!    Compiling cortex-m v0.4.3
Aug 02 04:17:15.185 INFO kablam!     Checking untagged-option v0.1.1
Aug 02 04:17:15.185 INFO kablam!     Checking embedded-hal v0.1.3
Aug 02 04:17:15.726 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:15.726 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 04:17:15.726 INFO kablam!   |
Aug 02 04:17:15.726 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 04:17:15.726 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:15.727 INFO kablam! 
Aug 02 04:17:15.727 INFO kablam! error: aborting due to previous error
Aug 02 04:17:15.728 INFO kablam! 
Aug 02 04:17:15.729 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:15.741 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 04:17:15.742 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:15.745 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:15.745 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 02 04:17:15.745 INFO kablam!    |
Aug 02 04:17:15.745 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 02 04:17:15.745 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 02 04:17:15.745 INFO kablam! 
Aug 02 04:17:15.756 INFO kablam! error: aborting due to previous error
Aug 02 04:17:15.756 INFO kablam! 
Aug 02 04:17:15.756 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:15.792 INFO kablam! error: Could not compile `aligned`.
Aug 02 04:17:15.793 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:15.839 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:15.839 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Aug 02 04:17:15.839 INFO kablam!   |
Aug 02 04:17:15.839 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Aug 02 04:17:15.839 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:15.866 INFO kablam! 
Aug 02 04:17:15.868 INFO kablam! error: aborting due to previous error
Aug 02 04:17:15.869 INFO kablam! 
Aug 02 04:17:15.869 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:15.907 INFO kablam! error: Could not compile `untagged-option`.
Aug 02 04:17:15.907 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:16.002 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:17:16.003 INFO kablam!    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/embedded-hal-0.1.3/src/lib.rs:681:1
Aug 02 04:17:16.003 INFO kablam!     |
Aug 02 04:17:16.003 INFO kablam! 681 | #![feature(never_type)]
Aug 02 04:17:16.003 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 04:17:16.003 INFO kablam! 
Aug 02 04:17:16.016 INFO kablam! error: aborting due to previous error
Aug 02 04:17:16.016 INFO kablam! 
Aug 02 04:17:16.016 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:17:16.024 INFO kablam! error: Could not compile `embedded-hal`.
Aug 02 04:17:16.025 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:17:18.201 INFO kablam! error: build failed
Aug 02 04:17:18.203 INFO kablam! su: No module specific data is present
Aug 02 04:17:18.837 INFO running `"docker" "rm" "-f" "214a4087563ed00dc30321e39b700fcd3c96ee475d6c3e16f68b9a7bd884e62d"`
Aug 02 04:17:18.991 INFO blam! 214a4087563ed00dc30321e39b700fcd3c96ee475d6c3e16f68b9a7bd884e62d