Aug 31 03:37:10.080 INFO checking notbdu/rustbelt against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 03:37:10.081 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 03:37:10.081 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 03:37:10.234 INFO blam! 9ef6075de5b0d7d1547b632663c5040e7a832636e5458d694f0d09128640ae21
Aug 31 03:37:10.235 INFO running `"docker" "start" "-a" "9ef6075de5b0d7d1547b632663c5040e7a832636e5458d694f0d09128640ae21"`
Aug 31 03:37:10.914 INFO kablam!     Checking bitflags v0.4.0
Aug 31 03:37:10.915 INFO kablam!     Checking bit_field v0.7.0
Aug 31 03:37:10.915 INFO kablam!     Checking spin v0.4.6
Aug 31 03:37:10.915 INFO kablam!     Checking volatile v0.1.0
Aug 31 03:37:11.030 INFO kablam!     Checking multiboot2 v0.1.0
Aug 31 03:37:11.167 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 31 03:37:11.167 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:76
Aug 31 03:37:11.167 INFO kablam!   |
Aug 31 03:37:11.167 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 31 03:37:11.167 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 31 03:37:11.167 INFO kablam! 
Aug 31 03:37:11.167 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 31 03:37:11.167 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:53
Aug 31 03:37:11.167 INFO kablam!   |
Aug 31 03:37:11.167 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 31 03:37:11.167 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 31 03:37:11.167 INFO kablam! 
Aug 31 03:37:11.179 INFO kablam! error: aborting due to 2 previous errors
Aug 31 03:37:11.179 INFO kablam! 
Aug 31 03:37:11.179 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 03:37:11.184 INFO kablam! error: Could not compile `spin`.
Aug 31 03:37:11.184 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 03:37:11.396 INFO kablam! error: build failed
Aug 31 03:37:11.398 INFO kablam! su: No module specific data is present
Aug 31 03:37:11.884 INFO running `"docker" "rm" "-f" "9ef6075de5b0d7d1547b632663c5040e7a832636e5458d694f0d09128640ae21"`
Aug 31 03:37:12.050 INFO blam! 9ef6075de5b0d7d1547b632663c5040e7a832636e5458d694f0d09128640ae21