Aug 01 18:27:00.241 INFO checking xmc4100-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 01 18:27:00.241 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:27:00.241 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:27:00.241 INFO running `"docker" "create" "-v" "/tmp/crater.y23ob9sLjv9k:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 01 18:27:00.433 INFO blam! 7c56fe5d63758fe071eab72689718d85a30434fad2cf665f8f718095de3c615c
Aug 01 18:27:00.434 INFO running `"docker" "start" "-a" "7c56fe5d63758fe071eab72689718d85a30434fad2cf665f8f718095de3c615c"`
Aug 01 18:27:01.680 INFO kablam!     Checking vcell v0.1.0
Aug 01 18:27:01.682 INFO kablam!    Compiling cortex-m v0.3.1
Aug 01 18:27:01.683 INFO kablam!     Checking bare-metal v0.1.2
Aug 01 18:27:01.684 INFO kablam!     Checking aligned v0.1.2
Aug 01 18:27:02.020 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:27:02.020 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 01 18:27:02.020 INFO kablam!   |
Aug 01 18:27:02.020 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 01 18:27:02.020 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:27:02.021 INFO kablam! 
Aug 01 18:27:02.022 INFO kablam! error: aborting due to previous error
Aug 01 18:27:02.022 INFO kablam! 
Aug 01 18:27:02.023 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:27:02.030 INFO kablam! error: Could not compile `bare-metal`.
Aug 01 18:27:02.030 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:27:02.091 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:27:02.091 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 01 18:27:02.091 INFO kablam!    |
Aug 01 18:27:02.091 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 01 18:27:02.091 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 01 18:27:02.091 INFO kablam! 
Aug 01 18:27:02.092 INFO kablam! error: aborting due to previous error
Aug 01 18:27:02.093 INFO kablam! 
Aug 01 18:27:02.093 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:27:02.099 INFO kablam! error: Could not compile `aligned`.
Aug 01 18:27:02.100 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:27:02.763 INFO kablam! error: build failed
Aug 01 18:27:02.763 INFO kablam! su: No module specific data is present
Aug 01 18:27:03.459 INFO running `"docker" "rm" "-f" "7c56fe5d63758fe071eab72689718d85a30434fad2cf665f8f718095de3c615c"`
Aug 01 18:27:03.567 INFO blam! 7c56fe5d63758fe071eab72689718d85a30434fad2cf665f8f718095de3c615c