Sep 01 13:54:23.463 INFO checking notbdu/rustbelt against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 13:54:23.463 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 13:54:23.463 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 13:54:23.721 INFO blam! 042dc46f1fbc67076a74722cc9d501999a28e9a0148d8d3fd2d18176191b1249
Sep 01 13:54:23.723 INFO running `"docker" "start" "-a" "042dc46f1fbc67076a74722cc9d501999a28e9a0148d8d3fd2d18176191b1249"`
Sep 01 13:54:24.544 INFO kablam!     Checking bitflags v0.4.0
Sep 01 13:54:24.548 INFO kablam!     Checking bit_field v0.7.0
Sep 01 13:54:24.551 INFO kablam!     Checking volatile v0.1.0
Sep 01 13:54:24.554 INFO kablam!     Checking spin v0.4.6
Sep 01 13:54:24.811 INFO kablam!     Checking multiboot2 v0.1.0
Sep 01 13:54:24.890 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 01 13:54:24.890 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:76
Sep 01 13:54:24.891 INFO kablam!   |
Sep 01 13:54:24.891 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 01 13:54:24.891 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:54:24.891 INFO kablam! 
Sep 01 13:54:24.891 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 01 13:54:24.891 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:53
Sep 01 13:54:24.891 INFO kablam!   |
Sep 01 13:54:24.892 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 01 13:54:24.892 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 01 13:54:24.892 INFO kablam! 
Sep 01 13:54:24.911 INFO kablam! error: aborting due to 2 previous errors
Sep 01 13:54:24.911 INFO kablam! 
Sep 01 13:54:24.911 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 13:54:24.921 INFO kablam! error: Could not compile `spin`.
Sep 01 13:54:24.922 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 13:54:25.229 INFO kablam! error: build failed
Sep 01 13:54:25.231 INFO kablam! su: No module specific data is present
Sep 01 13:54:25.657 INFO running `"docker" "rm" "-f" "042dc46f1fbc67076a74722cc9d501999a28e9a0148d8d3fd2d18176191b1249"`
Sep 01 13:54:25.820 INFO blam! 042dc46f1fbc67076a74722cc9d501999a28e9a0148d8d3fd2d18176191b1249