Sep 19 19:38:26.667 INFO checking stm32f0xx-0.3.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 19:38:26.667 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 19:38:26.667 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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=1000" "-e" "CMD=cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:38:26.907 INFO blam! fb13a1930fab66e78a1b1a451453452519f765d1650972b874efbcf3d88cd213
Sep 19 19:38:26.909 INFO running `"docker" "start" "-a" "fb13a1930fab66e78a1b1a451453452519f765d1650972b874efbcf3d88cd213"`
Sep 19 19:38:27.799 INFO kablam! usermod: no changes
Sep 19 19:38:27.885 INFO kablam!     Checking cortex-m v0.2.12
Sep 19 19:38:28.177 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 19 19:38:28.177 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 19 19:38:28.177 INFO kablam!    |
Sep 19 19:38:28.177 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 19 19:38:28.177 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:38:28.177 INFO kablam! 
Sep 19 19:38:28.194 INFO kablam! error: aborting due to previous error
Sep 19 19:38:28.194 INFO kablam! 
Sep 19 19:38:28.194 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 19:38:28.197 INFO kablam! error: Could not compile `cortex-m`.
Sep 19 19:38:28.197 INFO kablam! 
Sep 19 19:38:28.197 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 19:38:28.198 INFO kablam! su: No module specific data is present
Sep 19 19:38:28.978 INFO running `"docker" "rm" "-f" "fb13a1930fab66e78a1b1a451453452519f765d1650972b874efbcf3d88cd213"`
Sep 19 19:38:29.105 INFO blam! fb13a1930fab66e78a1b1a451453452519f765d1650972b874efbcf3d88cd213