Sep 14 08:25:12.544 INFO checking stm32f303x-memory-map-0.1.1 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 08:25:12.544 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 08:25:12.544 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 08:25:12.960 INFO blam! ed0f7c989ce6c44e2f34bd03f75e73990e6e4b688f699529eee66d2b1f6b090a
Sep 14 08:25:12.962 INFO running `"docker" "start" "-a" "ed0f7c989ce6c44e2f34bd03f75e73990e6e4b688f699529eee66d2b1f6b090a"`
Sep 14 08:25:15.270 INFO kablam! usermod: no changes
Sep 14 08:25:15.342 INFO kablam!    Compiling cortex-m v0.2.12
Sep 14 08:25:15.343 INFO kablam!     Checking cortex-m-semihosting v0.1.3
Sep 14 08:25:17.026 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 14 08:25:17.027 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.2.12/src/lib.rs:16:12
Sep 14 08:25:17.027 INFO kablam!    |
Sep 14 08:25:17.027 INFO kablam! 16 | #![feature(const_unsafe_cell_new)]
Sep 14 08:25:17.027 INFO kablam!    |            ^^^^^^^^^^^^^^^^^^^^^
Sep 14 08:25:17.027 INFO kablam! 
Sep 14 08:25:17.047 INFO kablam! error: aborting due to previous error
Sep 14 08:25:17.047 INFO kablam! 
Sep 14 08:25:17.047 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 08:25:17.055 INFO kablam! error: Could not compile `cortex-m`.
Sep 14 08:25:17.055 INFO kablam! 
Sep 14 08:25:17.055 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 08:25:17.055 INFO kablam! su: No module specific data is present
Sep 14 08:25:17.942 INFO running `"docker" "rm" "-f" "ed0f7c989ce6c44e2f34bd03f75e73990e6e4b688f699529eee66d2b1f6b090a"`
Sep 14 08:25:18.142 INFO blam! ed0f7c989ce6c44e2f34bd03f75e73990e6e4b688f699529eee66d2b1f6b090a