Aug 30 01:36:55.319 INFO checking stm32f303x-memory-map-0.1.1 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 01:36:55.319 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 01:36:55.319 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 01:36:55.519 INFO blam! 093be869c83f09562e3f13c7a8a41eef3b0bbcaa46a9d42ea8e53dfc945b1bdd
Aug 30 01:36:55.522 INFO running `"docker" "start" "-a" "093be869c83f09562e3f13c7a8a41eef3b0bbcaa46a9d42ea8e53dfc945b1bdd"`
Aug 30 01:36:56.128 INFO kablam!    Compiling cortex-m v0.2.12
Aug 30 01:36:56.128 INFO kablam!     Checking cortex-m-semihosting v0.1.3
Aug 30 01:36:57.361 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 30 01:36:57.361 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Aug 30 01:36:57.361 INFO kablam!    |
Aug 30 01:36:57.361 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Aug 30 01:36:57.361 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Aug 30 01:36:57.361 INFO kablam! 
Aug 30 01:36:57.378 INFO kablam! error: aborting due to previous error
Aug 30 01:36:57.378 INFO kablam! 
Aug 30 01:36:57.378 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 01:36:57.384 INFO kablam! error: Could not compile `cortex-m`.
Aug 30 01:36:57.384 INFO kablam! 
Aug 30 01:36:57.385 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 01:36:57.386 INFO kablam! su: No module specific data is present
Aug 30 01:36:57.796 INFO running `"docker" "rm" "-f" "093be869c83f09562e3f13c7a8a41eef3b0bbcaa46a9d42ea8e53dfc945b1bdd"`
Aug 30 01:36:57.927 INFO blam! 093be869c83f09562e3f13c7a8a41eef3b0bbcaa46a9d42ea8e53dfc945b1bdd