Aug 11 19:26:42.735 INFO checking bare-metal-0.1.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 19:26:42.735 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:26:42.735 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:26:42.735 INFO running `"docker" "create" "-v" "/tmp/crater.5trKBYZY31a5:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-1/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 19:26:42.880 INFO blam! 1c033d072129c470b001f0d21d415a38c36a5668b88009497625002b2eccda74
Aug 11 19:26:42.881 INFO running `"docker" "start" "-a" "1c033d072129c470b001f0d21d415a38c36a5668b88009497625002b2eccda74"`
Aug 11 19:26:44.774 INFO kablam!     Checking bare-metal v0.1.2 (file:///source)
Aug 11 19:26:44.911 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 19:26:44.911 INFO kablam!  --> src/lib.rs:5:53
Aug 11 19:26:44.911 INFO kablam!   |
Aug 11 19:26:44.911 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 19:26:44.911 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 19:26:44.911 INFO kablam! 
Aug 11 19:26:44.912 INFO kablam! error: aborting due to previous error
Aug 11 19:26:44.912 INFO kablam! 
Aug 11 19:26:44.912 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 19:26:44.918 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 19:26:44.918 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 19:26:45.322 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 11 19:26:45.322 INFO kablam!  --> src/lib.rs:5:53
Aug 11 19:26:45.322 INFO kablam!   |
Aug 11 19:26:45.322 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 11 19:26:45.322 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 11 19:26:45.322 INFO kablam! 
Aug 11 19:26:45.328 INFO kablam! error: aborting due to previous error
Aug 11 19:26:45.328 INFO kablam! 
Aug 11 19:26:45.328 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 19:26:45.335 INFO kablam! error: Could not compile `bare-metal`.
Aug 11 19:26:45.336 INFO kablam! 
Aug 11 19:26:45.336 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 19:26:45.337 INFO kablam! su: No module specific data is present
Aug 11 19:26:45.960 INFO running `"docker" "rm" "-f" "1c033d072129c470b001f0d21d415a38c36a5668b88009497625002b2eccda74"`
Aug 11 19:26:46.095 INFO blam! 1c033d072129c470b001f0d21d415a38c36a5668b88009497625002b2eccda74