Sep 19 19:28:25.649 INFO checking stm32l4x6-memory-map-0.2.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 19:28:25.649 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 19:28:25.650 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/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 19:28:25.888 INFO blam! 7b8f6745c872e99664e6d43328c2a7a7f0269ea345dc642075f04e763e646a3a
Sep 19 19:28:25.890 INFO running `"docker" "start" "-a" "7b8f6745c872e99664e6d43328c2a7a7f0269ea345dc642075f04e763e646a3a"`
Sep 19 19:28:26.648 INFO kablam! usermod: no changes
Sep 19 19:28:26.702 INFO kablam!    Compiling cortex-m v0.2.12
Sep 19 19:28:26.702 INFO kablam!     Checking cortex-m-semihosting v0.1.3
Sep 19 19:28:27.494 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 19 19:28:27.494 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 19 19:28:27.494 INFO kablam!    |
Sep 19 19:28:27.494 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 19 19:28:27.494 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 19 19:28:27.494 INFO kablam! 
Sep 19 19:28:27.508 INFO kablam! error: aborting due to previous error
Sep 19 19:28:27.508 INFO kablam! 
Sep 19 19:28:27.508 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 19:28:27.515 INFO kablam! error: Could not compile `cortex-m`.
Sep 19 19:28:27.515 INFO kablam! 
Sep 19 19:28:27.515 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 19:28:27.517 INFO kablam! su: No module specific data is present
Sep 19 19:28:28.215 INFO running `"docker" "rm" "-f" "7b8f6745c872e99664e6d43328c2a7a7f0269ea345dc642075f04e763e646a3a"`
Sep 19 19:28:28.286 INFO blam! 7b8f6745c872e99664e6d43328c2a7a7f0269ea345dc642075f04e763e646a3a