Aug 17 16:02:17.306 INFO checking nucleo-f042k6-0.2.1 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 16:02:17.306 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:02:17.306 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 16:02:17.306 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-6/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 16:02:17.558 INFO blam! 3acf8d71216c6132a1172da0ba2bd87860a487aaf8a06b920b1f04fe5d55f715
Aug 17 16:02:17.560 INFO running `"docker" "start" "-a" "3acf8d71216c6132a1172da0ba2bd87860a487aaf8a06b920b1f04fe5d55f715"`
Aug 17 16:02:18.536 INFO kablam!    Compiling cc v1.0.18
Aug 17 16:02:18.546 INFO kablam!     Checking vcell v0.1.0
Aug 17 16:02:18.547 INFO kablam!     Checking nb v0.1.1
Aug 17 16:02:18.558 INFO kablam!     Checking r0 v0.2.2
Aug 17 16:02:18.586 INFO kablam!    Compiling stm32f042 v0.6.1
Aug 17 16:02:18.596 INFO kablam!     Checking bare-metal v0.2.1
Aug 17 16:02:18.597 INFO kablam!     Checking aligned v0.2.0
Aug 17 16:02:18.597 INFO kablam!     Checking void v1.0.2
Aug 17 16:02:19.479 INFO kablam!    Compiling ssd1306 v0.1.0
Aug 17 16:02:19.869 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 16:02:19.869 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.2.1/src/lib.rs:7:23
Aug 17 16:02:19.870 INFO kablam!   |
Aug 17 16:02:19.870 INFO kablam! 7 |     feature(const_fn, const_unsafe_cell_new)
Aug 17 16:02:19.870 INFO kablam!   |                       ^^^^^^^^^^^^^^^^^^^^^
Aug 17 16:02:19.898 INFO kablam! 
Aug 17 16:02:19.901 INFO kablam! error: aborting due to previous error
Aug 17 16:02:19.902 INFO kablam! 
Aug 17 16:02:19.903 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 16:02:19.947 INFO kablam! error: Could not compile `bare-metal`.
Aug 17 16:02:19.948 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 16:02:31.765 INFO kablam! error: build failed
Aug 17 16:02:31.767 INFO kablam! su: No module specific data is present
Aug 17 16:02:32.348 INFO running `"docker" "rm" "-f" "3acf8d71216c6132a1172da0ba2bd87860a487aaf8a06b920b1f04fe5d55f715"`
Aug 17 16:02:32.518 INFO blam! 3acf8d71216c6132a1172da0ba2bd87860a487aaf8a06b920b1f04fe5d55f715