Sep 17 11:12:06.702 INFO checking souvik1997/kernel-roulette against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 11:12:06.702 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 11:12:06.702 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 11:12:07.171 INFO blam! 0660bd34e61dbf07d3ede4cd18151e343c02bc3d11341feeb90a8c072277bb0a
Sep 17 11:12:07.173 INFO running `"docker" "start" "-a" "0660bd34e61dbf07d3ede4cd18151e343c02bc3d11341feeb90a8c072277bb0a"`
Sep 17 11:12:09.563 INFO kablam! usermod: no changes
Sep 17 11:12:09.711 INFO kablam!     Checking spin v0.4.7
Sep 17 11:12:09.716 INFO kablam!     Checking rand v0.4.2
Sep 17 11:12:10.119 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 17 11:12:10.119 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:76
Sep 17 11:12:10.119 INFO kablam!   |
Sep 17 11:12:10.120 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 17 11:12:10.120 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 17 11:12:10.120 INFO kablam! 
Sep 17 11:12:10.121 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 17 11:12:10.121 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:53
Sep 17 11:12:10.121 INFO kablam!   |
Sep 17 11:12:10.122 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 17 11:12:10.122 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 17 11:12:10.122 INFO kablam! 
Sep 17 11:12:10.143 INFO kablam! error: aborting due to 2 previous errors
Sep 17 11:12:10.143 INFO kablam! 
Sep 17 11:12:10.143 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 11:12:10.155 INFO kablam! error: Could not compile `spin`.
Sep 17 11:12:10.156 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 11:12:11.116 INFO kablam! error: build failed
Sep 17 11:12:11.118 INFO kablam! su: No module specific data is present
Sep 17 11:12:12.844 INFO running `"docker" "rm" "-f" "0660bd34e61dbf07d3ede4cd18151e343c02bc3d11341feeb90a8c072277bb0a"`
Sep 17 11:12:13.170 INFO blam! 0660bd34e61dbf07d3ede4cd18151e343c02bc3d11341feeb90a8c072277bb0a