Sep 14 02:41:18.924 INFO checking souvik1997/kernel-roulette against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 02:41:18.925 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 02:41:18.925 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 02:41:19.328 INFO blam! 6ee77cdf8908234a3e81581ac7fed2e7d0d8a2d87604efced5423d3d1e39d413
Sep 14 02:41:19.330 INFO running `"docker" "start" "-a" "6ee77cdf8908234a3e81581ac7fed2e7d0d8a2d87604efced5423d3d1e39d413"`
Sep 14 02:41:21.806 INFO kablam! usermod: no changes
Sep 14 02:41:21.867 INFO kablam!     Checking spin v0.4.7
Sep 14 02:41:21.883 INFO kablam!     Checking rand v0.4.2
Sep 14 02:41:22.339 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 14 02:41:22.339 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:76
Sep 14 02:41:22.340 INFO kablam!   |
Sep 14 02:41:22.340 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 02:41:22.340 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:41:22.340 INFO kablam! 
Sep 14 02:41:22.340 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 14 02:41:22.340 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.7/src/lib.rs:8:53
Sep 14 02:41:22.340 INFO kablam!   |
Sep 14 02:41:22.340 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 02:41:22.340 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 14 02:41:22.341 INFO kablam! 
Sep 14 02:41:22.353 INFO kablam! error: aborting due to 2 previous errors
Sep 14 02:41:22.363 INFO kablam! 
Sep 14 02:41:22.363 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 02:41:22.375 INFO kablam! error: Could not compile `spin`.
Sep 14 02:41:22.376 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 02:41:23.372 INFO kablam! error: build failed
Sep 14 02:41:23.374 INFO kablam! su: No module specific data is present
Sep 14 02:41:25.118 INFO running `"docker" "rm" "-f" "6ee77cdf8908234a3e81581ac7fed2e7d0d8a2d87604efced5423d3d1e39d413"`
Sep 14 02:41:25.394 INFO blam! 6ee77cdf8908234a3e81581ac7fed2e7d0d8a2d87604efced5423d3d1e39d413