Aug 17 23:40:05.457 INFO checking emlib-0.0.1 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 23:40:05.457 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 23:40:05.457 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 23:40:05.458 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 23:40:05.710 INFO blam! cf71ec5b0ea864d885f364ac7fa494ac4f138fb93401cf28fbf6e4ad1e10d811
Aug 17 23:40:05.713 INFO running `"docker" "start" "-a" "cf71ec5b0ea864d885f364ac7fa494ac4f138fb93401cf28fbf6e4ad1e10d811"`
Aug 17 23:40:06.805 INFO kablam!    Compiling num-traits v0.2.5
Aug 17 23:40:06.805 INFO kablam!    Compiling num-integer v0.1.39
Aug 17 23:40:06.806 INFO kablam!    Compiling semver-parser v0.7.0
Aug 17 23:40:06.807 INFO kablam!    Compiling libc v0.2.43
Aug 17 23:40:06.807 INFO kablam!     Checking bare-metal v0.1.2
Aug 17 23:40:06.819 INFO kablam!    Compiling cc v1.0.18
Aug 17 23:40:06.822 INFO kablam!     Checking volatile-register v0.2.0
Aug 17 23:40:06.823 INFO kablam!    Compiling cortex-m v0.3.1
Aug 17 23:40:07.363 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 17 23:40:07.364 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:53
Aug 17 23:40:07.364 INFO kablam!   |
Aug 17 23:40:07.364 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 17 23:40:07.364 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 17 23:40:07.364 INFO kablam! 
Aug 17 23:40:07.365 INFO kablam! error: aborting due to previous error
Aug 17 23:40:07.365 INFO kablam! 
Aug 17 23:40:07.365 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 23:40:07.381 INFO kablam! error: Could not compile `bare-metal`.
Aug 17 23:40:07.381 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 17 23:40:20.032 INFO kablam! error: build failed
Aug 17 23:40:20.034 INFO kablam! su: No module specific data is present
Aug 17 23:40:20.515 INFO running `"docker" "rm" "-f" "cf71ec5b0ea864d885f364ac7fa494ac4f138fb93401cf28fbf6e4ad1e10d811"`
Aug 17 23:40:20.682 INFO blam! cf71ec5b0ea864d885f364ac7fa494ac4f138fb93401cf28fbf6e4ad1e10d811