Aug 10 18:26:57.937 INFO checking notbdu/rustbelt against try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy for libc-1
Aug 10 18:26:57.937 INFO running: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 18:26:57.937 INFO creating container for: cargo +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets
Aug 10 18:26:57.937 INFO running `"docker" "create" "-v" "/tmp/crater.dCkqajOQDdaI:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/try#a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195+tmplazy:/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 +a77dfcc79fe3e7e1a10ae4dccfd4b2e5e0e49195-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 18:26:58.190 INFO blam! d5d9c65b2a2ce847cb53ea5a972aef73ca33ab7d09388d3d9dfb5a03b85adac4
Aug 10 18:26:58.193 INFO running `"docker" "start" "-a" "d5d9c65b2a2ce847cb53ea5a972aef73ca33ab7d09388d3d9dfb5a03b85adac4"`
Aug 10 18:26:59.117 INFO kablam!     Checking bitflags v0.4.0
Aug 10 18:26:59.117 INFO kablam!     Checking bit_field v0.7.0
Aug 10 18:26:59.117 INFO kablam!     Checking rlibc v1.0.0
Aug 10 18:26:59.117 INFO kablam!     Checking spin v0.4.8
Aug 10 18:26:59.130 INFO kablam!     Checking volatile v0.1.0
Aug 10 18:26:59.644 INFO kablam!     Checking multiboot2 v0.1.0
Aug 10 18:27:00.585 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 10 18:27:00.585 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 10 18:27:00.585 INFO kablam!   |
Aug 10 18:27:00.586 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:27:00.586 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:27:00.586 INFO kablam! 
Aug 10 18:27:00.587 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 18:27:00.587 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 10 18:27:00.587 INFO kablam!   |
Aug 10 18:27:00.587 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 18:27:00.587 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 18:27:00.587 INFO kablam! 
Aug 10 18:27:00.636 INFO kablam! error: aborting due to 2 previous errors
Aug 10 18:27:00.636 INFO kablam! 
Aug 10 18:27:00.637 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 18:27:00.652 INFO kablam! error: Could not compile `spin`.
Aug 10 18:27:00.653 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 18:27:01.058 INFO kablam! error: build failed
Aug 10 18:27:01.059 INFO kablam! su: No module specific data is present
Aug 10 18:27:01.672 INFO running `"docker" "rm" "-f" "d5d9c65b2a2ce847cb53ea5a972aef73ca33ab7d09388d3d9dfb5a03b85adac4"`
Aug 10 18:27:01.817 INFO blam! d5d9c65b2a2ce847cb53ea5a972aef73ca33ab7d09388d3d9dfb5a03b85adac4