Sep 14 05:20:47.303 INFO checking Sh4d1/rustberry against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 05:20:47.303 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 05:20:47.303 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/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 05:20:47.638 INFO blam! 8066467e2030304c8a2739c740b6db86eacf399def8272cf8a9e100154c680df
Sep 14 05:20:47.640 INFO running `"docker" "start" "-a" "8066467e2030304c8a2739c740b6db86eacf399def8272cf8a9e100154c680df"`
Sep 14 05:20:48.687 INFO kablam! usermod: no changes
Sep 14 05:20:48.799 INFO kablam!     Checking spin v0.4.8
Sep 14 05:20:48.799 INFO kablam!     Checking tock-registers v0.1.0
Sep 14 05:20:48.811 INFO kablam!     Checking once v0.3.3
Sep 14 05:20:49.467 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 14 05:20:49.467 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Sep 14 05:20:49.467 INFO kablam!   |
Sep 14 05:20:49.467 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 05:20:49.467 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 05:20:49.467 INFO kablam! 
Sep 14 05:20:49.467 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 14 05:20:49.467 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Sep 14 05:20:49.467 INFO kablam!   |
Sep 14 05:20:49.467 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 05:20:49.467 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 14 05:20:49.467 INFO kablam! 
Sep 14 05:20:49.495 INFO kablam!     Checking register v0.1.1
Sep 14 05:20:49.511 INFO kablam! error: aborting due to 2 previous errors
Sep 14 05:20:49.511 INFO kablam! 
Sep 14 05:20:49.511 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 05:20:49.527 INFO kablam! error: Could not compile `spin`.
Sep 14 05:20:49.527 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 05:20:49.570 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 14 05:20:49.570 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:76
Sep 14 05:20:49.570 INFO kablam!   |
Sep 14 05:20:49.570 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 05:20:49.570 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 14 05:20:49.570 INFO kablam! 
Sep 14 05:20:49.570 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 14 05:20:49.570 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:53
Sep 14 05:20:49.570 INFO kablam!   |
Sep 14 05:20:49.570 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 14 05:20:49.570 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 14 05:20:49.570 INFO kablam! 
Sep 14 05:20:49.611 INFO kablam! error: aborting due to 2 previous errors
Sep 14 05:20:49.611 INFO kablam! 
Sep 14 05:20:49.611 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 14 05:20:49.631 INFO kablam! error: Could not compile `spin`.
Sep 14 05:20:49.631 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 05:20:49.818 INFO kablam! error: build failed
Sep 14 05:20:49.818 INFO kablam! su: No module specific data is present
Sep 14 05:20:51.044 INFO running `"docker" "rm" "-f" "8066467e2030304c8a2739c740b6db86eacf399def8272cf8a9e100154c680df"`
Sep 14 05:20:51.348 INFO blam! 8066467e2030304c8a2739c740b6db86eacf399def8272cf8a9e100154c680df