Aug 10 18:27:01.823 INFO checking notbdu/rustbelt against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 18:27:01.823 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 18:27:01.823 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 18:27:01.823 INFO running `"docker" "create" "-v" "/tmp/crater.KTfevuCLQ4Ha:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/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 10 18:27:02.070 INFO blam! 49200a3429afe3db77520cb7f47ef140d74c1c40096ccdbd7e23d9e69184ca7f
Aug 10 18:27:02.073 INFO running `"docker" "start" "-a" "49200a3429afe3db77520cb7f47ef140d74c1c40096ccdbd7e23d9e69184ca7f"`
Aug 10 18:27:02.912 INFO kablam!     Checking bit_field v0.7.0
Aug 10 18:27:02.913 INFO kablam!     Checking bitflags v0.4.0
Aug 10 18:27:02.913 INFO kablam!     Checking rlibc v1.0.0
Aug 10 18:27:02.913 INFO kablam!     Checking volatile v0.1.0
Aug 10 18:27:02.913 INFO kablam!     Checking spin v0.4.8
Aug 10 18:27:03.392 INFO kablam!     Checking multiboot2 v0.1.0
Aug 10 18:27:04.120 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 10 18:27:04.120 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 10 18:27:04.120 INFO kablam!   |
Aug 10 18:27:04.120 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:27:04.120 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:27:04.120 INFO kablam! 
Aug 10 18:27:04.120 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 18:27:04.120 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 10 18:27:04.120 INFO kablam!   |
Aug 10 18:27:04.120 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:27:04.120 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:27:04.120 INFO kablam! 
Aug 10 18:27:04.178 INFO kablam! error: aborting due to 2 previous errors
Aug 10 18:27:04.178 INFO kablam! 
Aug 10 18:27:04.178 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 18:27:04.201 INFO kablam! error: Could not compile `spin`.
Aug 10 18:27:04.201 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 18:27:04.585 INFO kablam! error: build failed
Aug 10 18:27:04.593 INFO kablam! su: No module specific data is present
Aug 10 18:27:05.153 INFO running `"docker" "rm" "-f" "49200a3429afe3db77520cb7f47ef140d74c1c40096ccdbd7e23d9e69184ca7f"`
Aug 10 18:27:05.316 INFO blam! 49200a3429afe3db77520cb7f47ef140d74c1c40096ccdbd7e23d9e69184ca7f