Sep 19 17:34:04.058 INFO checking stm32f429x-0.3.1 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 17:34:04.058 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 17:34:04.058 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:34:04.507 INFO blam! 98cafaffb40a104bbf483c883ee35cd646f1134cf0f97a090ac2569d7158af95
Sep 19 17:34:04.509 INFO running `"docker" "start" "-a" "98cafaffb40a104bbf483c883ee35cd646f1134cf0f97a090ac2569d7158af95"`
Sep 19 17:34:06.398 INFO kablam! usermod: no changes
Sep 19 17:34:06.529 INFO kablam!     Checking cortex-m v0.2.12
Sep 19 17:34:06.962 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 19 17:34:06.962 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 19 17:34:06.962 INFO kablam!    |
Sep 19 17:34:06.962 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 19 17:34:06.962 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:34:06.962 INFO kablam! 
Sep 19 17:34:06.975 INFO kablam! error: aborting due to previous error
Sep 19 17:34:06.975 INFO kablam! 
Sep 19 17:34:06.975 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 17:34:06.983 INFO kablam! error: Could not compile `cortex-m`.
Sep 19 17:34:06.983 INFO kablam! 
Sep 19 17:34:06.983 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 17:34:06.985 INFO kablam! su: No module specific data is present
Sep 19 17:34:08.614 INFO running `"docker" "rm" "-f" "98cafaffb40a104bbf483c883ee35cd646f1134cf0f97a090ac2569d7158af95"`
Sep 19 17:34:08.875 INFO blam! 98cafaffb40a104bbf483c883ee35cd646f1134cf0f97a090ac2569d7158af95