Aug 10 17:25:54.225 INFO checking souvik1997/kernel-roulette against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 10 17:25:54.225 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 17:25:54.225 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 10 17:25:54.225 INFO running `"docker" "create" "-v" "/tmp/crater.i5xcewLMMA9e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 10 17:25:54.462 INFO blam! 78854fd1265082f24eefb98d4bab51ecbe58064787c103cb04119701f4fa006f
Aug 10 17:25:54.465 INFO running `"docker" "start" "-a" "78854fd1265082f24eefb98d4bab51ecbe58064787c103cb04119701f4fa006f"`
Aug 10 17:25:55.345 INFO kablam!     Checking spin v0.4.8
Aug 10 17:25:55.349 INFO kablam!     Checking rand v0.4.2
Aug 10 17:25:55.358 INFO kablam!    Compiling lazy_static v1.1.0
Aug 10 17:25:56.179 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Aug 10 17:25:56.179 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Aug 10 17:25:56.179 INFO kablam!   |
Aug 10 17:25:56.179 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 17:25:56.179 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Aug 10 17:25:56.179 INFO kablam! 
Aug 10 17:25:56.192 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Aug 10 17:25:56.192 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Aug 10 17:25:56.192 INFO kablam!   |
Aug 10 17:25:56.193 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 10 17:25:56.193 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Aug 10 17:25:56.193 INFO kablam! 
Aug 10 17:25:56.293 INFO kablam! error: aborting due to 2 previous errors
Aug 10 17:25:56.293 INFO kablam! 
Aug 10 17:25:56.293 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 10 17:25:56.333 INFO kablam! error: Could not compile `spin`.
Aug 10 17:25:56.334 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 10 17:25:59.034 INFO kablam! error: build failed
Aug 10 17:25:59.037 INFO kablam! su: No module specific data is present
Aug 10 17:25:59.605 INFO running `"docker" "rm" "-f" "78854fd1265082f24eefb98d4bab51ecbe58064787c103cb04119701f4fa006f"`
Aug 10 17:25:59.772 INFO blam! 78854fd1265082f24eefb98d4bab51ecbe58064787c103cb04119701f4fa006f