Aug 16 23:05:56.937 INFO checking souvik1997/kernel-roulette against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 16 23:05:56.938 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 16 23:05:56.938 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 16 23:05:56.938 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-7/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 16 23:05:57.202 INFO blam! 74ef61d6595b621cf51cbdff10a2bb658fa5fc90125a16441f9d896beafebd8e
Aug 16 23:05:57.204 INFO running `"docker" "start" "-a" "74ef61d6595b621cf51cbdff10a2bb658fa5fc90125a16441f9d896beafebd8e"`
Aug 16 23:05:58.195 INFO kablam!     Checking spin v0.4.7
Aug 16 23:05:58.198 INFO kablam!     Checking rand v0.4.2
Aug 16 23:05:58.969 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 16 23:05:58.969 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:76
Aug 16 23:05:58.970 INFO kablam!   |
Aug 16 23:05:58.970 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 16 23:05:58.970 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 16 23:05:58.970 INFO kablam! 
Aug 16 23:05:58.970 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 16 23:05:58.970 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:53
Aug 16 23:05:58.970 INFO kablam!   |
Aug 16 23:05:58.970 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 16 23:05:58.970 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 16 23:05:58.970 INFO kablam! 
Aug 16 23:05:59.022 INFO kablam! error: aborting due to 2 previous errors
Aug 16 23:05:59.022 INFO kablam! 
Aug 16 23:05:59.022 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 16 23:05:59.038 INFO kablam! error: Could not compile `spin`.
Aug 16 23:05:59.039 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 16 23:06:01.328 INFO kablam! error: build failed
Aug 16 23:06:01.329 INFO kablam! su: No module specific data is present
Aug 16 23:06:01.845 INFO running `"docker" "rm" "-f" "74ef61d6595b621cf51cbdff10a2bb658fa5fc90125a16441f9d896beafebd8e"`
Aug 16 23:06:02.033 INFO blam! 74ef61d6595b621cf51cbdff10a2bb658fa5fc90125a16441f9d896beafebd8e