Aug 29 15:08:51.676 INFO checking souvik1997/kernel-roulette against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 29 15:08:51.676 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 29 15:08:51.676 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 15:08:51.934 INFO blam! 92e034a1b2230edadfd648b23f034bbd34cf659767b7d83b9b78d9ce81beb262
Aug 29 15:08:51.936 INFO running `"docker" "start" "-a" "92e034a1b2230edadfd648b23f034bbd34cf659767b7d83b9b78d9ce81beb262"`
Aug 29 15:08:52.819 INFO kablam!     Checking spin v0.4.7
Aug 29 15:08:52.819 INFO kablam!     Checking rand v0.4.2
Aug 29 15:08:53.250 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 29 15:08:53.250 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:76
Aug 29 15:08:53.250 INFO kablam!   |
Aug 29 15:08:53.250 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 15:08:53.250 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:08:53.250 INFO kablam! 
Aug 29 15:08:53.250 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 29 15:08:53.250 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:53
Aug 29 15:08:53.250 INFO kablam!   |
Aug 29 15:08:53.250 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 29 15:08:53.250 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 29 15:08:53.250 INFO kablam! 
Aug 29 15:08:53.271 INFO kablam! error: aborting due to 2 previous errors
Aug 29 15:08:53.271 INFO kablam! 
Aug 29 15:08:53.271 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 29 15:08:53.278 INFO kablam! error: Could not compile `spin`.
Aug 29 15:08:53.278 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 15:08:55.388 INFO kablam! error: build failed
Aug 29 15:08:55.390 INFO kablam! su: No module specific data is present
Aug 29 15:08:55.918 INFO running `"docker" "rm" "-f" "92e034a1b2230edadfd648b23f034bbd34cf659767b7d83b9b78d9ce81beb262"`
Aug 29 15:08:56.069 INFO blam! 92e034a1b2230edadfd648b23f034bbd34cf659767b7d83b9b78d9ce81beb262