Sep 04 02:01:00.069 INFO checking stm32f303x-memory-map-0.1.1 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 02:01:00.069 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 02:01:00.069 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 02:01:00.221 INFO blam! 48812491cc00e63b48777ba8f1f0bf2b9b511e02449ca74170d58f3e4b47478f
Sep 04 02:01:00.223 INFO running `"docker" "start" "-a" "48812491cc00e63b48777ba8f1f0bf2b9b511e02449ca74170d58f3e4b47478f"`
Sep 04 02:01:00.739 INFO kablam!     Checking cortex-m v0.2.12
Sep 04 02:01:01.246 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 04 02:01:01.246 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 04 02:01:01.247 INFO kablam!    |
Sep 04 02:01:01.247 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 04 02:01:01.247 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 04 02:01:01.247 INFO kablam! 
Sep 04 02:01:01.263 INFO kablam! error: aborting due to previous error
Sep 04 02:01:01.263 INFO kablam! 
Sep 04 02:01:01.263 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 02:01:01.269 INFO kablam! error: Could not compile `cortex-m`.
Sep 04 02:01:01.269 INFO kablam! 
Sep 04 02:01:01.269 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 02:01:01.271 INFO kablam! su: No module specific data is present
Sep 04 02:01:01.587 INFO running `"docker" "rm" "-f" "48812491cc00e63b48777ba8f1f0bf2b9b511e02449ca74170d58f3e4b47478f"`
Sep 04 02:01:01.711 INFO blam! 48812491cc00e63b48777ba8f1f0bf2b9b511e02449ca74170d58f3e4b47478f