Sep 17 16:39:52.784 INFO checking stm32f429x-0.3.1 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 16:39:52.784 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 16:39:52.784 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 16:39:53.085 INFO blam! cece09ed3f108c908368b5d85f5130322b27ac2fde755970c95808ab90013d85
Sep 17 16:39:53.087 INFO running `"docker" "start" "-a" "cece09ed3f108c908368b5d85f5130322b27ac2fde755970c95808ab90013d85"`
Sep 17 16:39:54.294 INFO kablam! usermod: no changes
Sep 17 16:39:54.383 INFO kablam!    Compiling cortex-m v0.2.12
Sep 17 16:39:54.383 INFO kablam!     Checking cortex-m-semihosting v0.1.3
Sep 17 16:39:55.659 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 17 16:39:55.659 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 17 16:39:55.659 INFO kablam!    |
Sep 17 16:39:55.659 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 17 16:39:55.659 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 17 16:39:55.659 INFO kablam! 
Sep 17 16:39:55.667 INFO kablam! error: aborting due to previous error
Sep 17 16:39:55.667 INFO kablam! 
Sep 17 16:39:55.667 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 16:39:55.671 INFO kablam! error: Could not compile `cortex-m`.
Sep 17 16:39:55.671 INFO kablam! 
Sep 17 16:39:55.671 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 16:39:55.672 INFO kablam! su: No module specific data is present
Sep 17 16:39:56.565 INFO running `"docker" "rm" "-f" "cece09ed3f108c908368b5d85f5130322b27ac2fde755970c95808ab90013d85"`
Sep 17 16:39:56.951 INFO blam! cece09ed3f108c908368b5d85f5130322b27ac2fde755970c95808ab90013d85