Aug 29 19:46:50.880 INFO checking Sh4d1/rustberry against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 19:46:50.880 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 19:46:50.880 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 19:46:51.093 INFO blam! 9d91fceb46d2f090f0e0c07214c073519421e14c9fa3efa78464287b8613697e
Aug 29 19:46:51.095 INFO running `"docker" "start" "-a" "9d91fceb46d2f090f0e0c07214c073519421e14c9fa3efa78464287b8613697e"`
Aug 29 19:46:51.738 INFO kablam!     Checking tock-registers v0.1.0
Aug 29 19:46:51.740 INFO kablam!     Checking spin v0.4.8
Aug 29 19:46:51.743 INFO kablam!     Checking volatile v0.2.4
Aug 29 19:46:51.743 INFO kablam!     Checking once v0.3.3
Aug 29 19:46:52.114 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 29 19:46:52.114 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 29 19:46:52.114 INFO kablam!   |
Aug 29 19:46:52.114 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 19:46:52.114 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 29 19:46:52.114 INFO kablam! 
Aug 29 19:46:52.115 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 29 19:46:52.115 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 29 19:46:52.115 INFO kablam!   |
Aug 29 19:46:52.115 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 19:46:52.115 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 29 19:46:52.115 INFO kablam! 
Aug 29 19:46:52.136 INFO kablam! error: aborting due to 2 previous errors
Aug 29 19:46:52.136 INFO kablam! 
Aug 29 19:46:52.136 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 29 19:46:52.145 INFO kablam! error: Could not compile `spin`.
Aug 29 19:46:52.146 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 19:46:52.176 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 29 19:46:52.176 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 29 19:46:52.176 INFO kablam!   |
Aug 29 19:46:52.176 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 19:46:52.176 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 29 19:46:52.176 INFO kablam! 
Aug 29 19:46:52.176 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 29 19:46:52.176 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 29 19:46:52.177 INFO kablam!   |
Aug 29 19:46:52.177 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 19:46:52.177 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 29 19:46:52.177 INFO kablam! 
Aug 29 19:46:52.197 INFO kablam! error: aborting due to 2 previous errors
Aug 29 19:46:52.197 INFO kablam! 
Aug 29 19:46:52.197 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 29 19:46:52.205 INFO kablam! error: Could not compile `spin`.
Aug 29 19:46:52.205 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 19:46:52.405 INFO kablam! error: build failed
Aug 29 19:46:52.407 INFO kablam! su: No module specific data is present
Aug 29 19:46:52.817 INFO running `"docker" "rm" "-f" "9d91fceb46d2f090f0e0c07214c073519421e14c9fa3efa78464287b8613697e"`
Aug 29 19:46:52.955 INFO blam! 9d91fceb46d2f090f0e0c07214c073519421e14c9fa3efa78464287b8613697e