Aug 30 02:22:19.687 INFO checking stm32f0xx-0.3.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 02:22:19.687 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 02:22:19.687 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/master#ede55518431154bc761f7b2438cce9078c162700:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 02:22:19.918 INFO blam! fb255fbb71cdeed5dbbf40a2487e4b78a9f6d608826c9d5e57102fbe9433f370
Aug 30 02:22:19.919 INFO running `"docker" "start" "-a" "fb255fbb71cdeed5dbbf40a2487e4b78a9f6d608826c9d5e57102fbe9433f370"`
Aug 30 02:22:20.624 INFO kablam!     Checking cortex-m v0.2.12
Aug 30 02:22:21.209 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 30 02:22:21.209 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Aug 30 02:22:21.209 INFO kablam!    |
Aug 30 02:22:21.209 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Aug 30 02:22:21.209 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Aug 30 02:22:21.210 INFO kablam! 
Aug 30 02:22:21.224 INFO kablam! error: aborting due to previous error
Aug 30 02:22:21.224 INFO kablam! 
Aug 30 02:22:21.224 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 02:22:21.229 INFO kablam! error: Could not compile `cortex-m`.
Aug 30 02:22:21.229 INFO kablam! 
Aug 30 02:22:21.230 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 02:22:21.231 INFO kablam! su: No module specific data is present
Aug 30 02:22:21.679 INFO running `"docker" "rm" "-f" "fb255fbb71cdeed5dbbf40a2487e4b78a9f6d608826c9d5e57102fbe9433f370"`
Aug 30 02:22:21.804 INFO blam! fb255fbb71cdeed5dbbf40a2487e4b78a9f6d608826c9d5e57102fbe9433f370