Sep 14 02:41:18.886 INFO checking souvik1997/kernel-roulette against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 02:41:18.886 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 02:41:18.886 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 02:41:19.381 INFO blam! a60fb0eaa8b94c6e10938ab2d464fe7c2e6ec6b347054b549ea9a5ba889961bb
Sep 14 02:41:19.387 INFO running `"docker" "start" "-a" "a60fb0eaa8b94c6e10938ab2d464fe7c2e6ec6b347054b549ea9a5ba889961bb"`
Sep 14 02:41:21.342 INFO kablam! usermod: no changes
Sep 14 02:41:21.443 INFO kablam!     Checking spin v0.4.7
Sep 14 02:41:21.443 INFO kablam!     Checking rand v0.4.2
Sep 14 02:41:22.011 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 14 02:41:22.011 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:76
Sep 14 02:41:22.011 INFO kablam!   |
Sep 14 02:41:22.011 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 02:41:22.011 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:41:22.011 INFO kablam! 
Sep 14 02:41:22.011 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 14 02:41:22.011 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:53
Sep 14 02:41:22.011 INFO kablam!   |
Sep 14 02:41:22.011 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 02:41:22.011 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:41:22.011 INFO kablam! 
Sep 14 02:41:22.065 INFO kablam! error: aborting due to 2 previous errors
Sep 14 02:41:22.065 INFO kablam! 
Sep 14 02:41:22.065 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 02:41:22.086 INFO kablam! error: Could not compile `spin`.
Sep 14 02:41:22.087 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 02:41:23.627 INFO kablam! error: build failed
Sep 14 02:41:23.635 INFO kablam! su: No module specific data is present
Sep 14 02:41:25.118 INFO running `"docker" "rm" "-f" "a60fb0eaa8b94c6e10938ab2d464fe7c2e6ec6b347054b549ea9a5ba889961bb"`
Sep 14 02:41:25.414 INFO blam! a60fb0eaa8b94c6e10938ab2d464fe7c2e6ec6b347054b549ea9a5ba889961bb