Aug 29 20:51:38.741 INFO checking Sh4d1/rustberry against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 29 20:51:38.742 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 29 20:51:38.742 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-3/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 20:51:38.930 INFO blam! 10d07d1331f4dad1a08c0b256374c9c80868b9c758913b0ee4d88b810845a61a
Aug 29 20:51:38.932 INFO running `"docker" "start" "-a" "10d07d1331f4dad1a08c0b256374c9c80868b9c758913b0ee4d88b810845a61a"`
Aug 29 20:51:39.534 INFO kablam!     Checking tock-registers v0.1.0
Aug 29 20:51:39.534 INFO kablam!     Checking spin v0.4.8
Aug 29 20:51:39.537 INFO kablam!     Checking once v0.3.3
Aug 29 20:51:39.901 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 29 20:51:39.901 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 29 20:51:39.901 INFO kablam!   |
Aug 29 20:51:39.901 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 20:51:39.901 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:39.901 INFO kablam! 
Aug 29 20:51:39.901 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 29 20:51:39.901 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 29 20:51:39.901 INFO kablam!   |
Aug 29 20:51:39.901 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 20:51:39.901 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:39.901 INFO kablam! 
Aug 29 20:51:39.921 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:39.921 INFO kablam! 
Aug 29 20:51:39.921 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 29 20:51:39.929 INFO kablam! error: Could not compile `spin`.
Aug 29 20:51:39.930 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:51:39.942 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 29 20:51:39.942 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 29 20:51:39.942 INFO kablam!   |
Aug 29 20:51:39.942 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 20:51:39.942 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:39.942 INFO kablam! 
Aug 29 20:51:39.942 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 29 20:51:39.942 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 29 20:51:39.942 INFO kablam!   |
Aug 29 20:51:39.942 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 20:51:39.942 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 29 20:51:39.942 INFO kablam! 
Aug 29 20:51:39.959 INFO kablam! error: aborting due to 2 previous errors
Aug 29 20:51:39.959 INFO kablam! 
Aug 29 20:51:39.959 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 29 20:51:39.963 INFO kablam! error: Could not compile `spin`.
Aug 29 20:51:39.963 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:51:40.141 INFO kablam! error: build failed
Aug 29 20:51:40.143 INFO kablam! su: No module specific data is present
Aug 29 20:51:40.666 INFO running `"docker" "rm" "-f" "10d07d1331f4dad1a08c0b256374c9c80868b9c758913b0ee4d88b810845a61a"`
Aug 29 20:51:40.773 INFO blam! 10d07d1331f4dad1a08c0b256374c9c80868b9c758913b0ee4d88b810845a61a