Aug 11 00:55:24.497 INFO checking stm32f469xx-0.2.1 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 00:55:24.497 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:55:24.497 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 00:55:24.498 INFO running `"docker" "create" "-v" "/tmp/crater.T437HBZpXhGs:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 00:55:24.759 INFO blam! f2a6cc4ad18178ae73047a0f36b142d36864de9d25e7da974c30964711a5b4d9
Aug 11 00:55:24.762 INFO running `"docker" "start" "-a" "f2a6cc4ad18178ae73047a0f36b142d36864de9d25e7da974c30964711a5b4d9"`
Aug 11 00:55:25.673 INFO kablam!    Compiling stm32f469xx v0.2.1 (file:///source)
Aug 11 00:55:25.673 INFO kablam!     Checking bare-metal v0.1.2
Aug 11 00:55:25.882 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 00:55:25.882 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 11 00:55:25.882 INFO kablam!   |
Aug 11 00:55:25.882 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 00:55:25.882 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 00:55:25.882 INFO kablam! 
Aug 11 00:55:25.884 INFO kablam! error: aborting due to previous error
Aug 11 00:55:25.884 INFO kablam! 
Aug 11 00:55:25.884 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 00:55:25.890 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 00:55:25.890 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 00:55:26.753 INFO kablam! error: build failed
Aug 11 00:55:26.755 INFO kablam! su: No module specific data is present
Aug 11 00:55:27.267 INFO running `"docker" "rm" "-f" "f2a6cc4ad18178ae73047a0f36b142d36864de9d25e7da974c30964711a5b4d9"`
Aug 11 00:55:27.425 INFO blam! f2a6cc4ad18178ae73047a0f36b142d36864de9d25e7da974c30964711a5b4d9