Sep 19 14:55:14.709 INFO checking notbdu/rustbelt against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 14:55:14.709 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 14:55:14.709 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 14:55:14.972 INFO blam! b16b106a6bd8d8dcf02356153ec554ed76b1e5b504cbcd39110d62b6435d906b
Sep 19 14:55:14.974 INFO running `"docker" "start" "-a" "b16b106a6bd8d8dcf02356153ec554ed76b1e5b504cbcd39110d62b6435d906b"`
Sep 19 14:55:16.400 INFO kablam! usermod: no changes
Sep 19 14:55:16.510 INFO kablam!     Checking bit_field v0.7.0
Sep 19 14:55:16.510 INFO kablam!     Checking bitflags v0.4.0
Sep 19 14:55:16.511 INFO kablam!     Checking volatile v0.1.0
Sep 19 14:55:16.511 INFO kablam!     Checking rlibc v1.0.0
Sep 19 14:55:16.511 INFO kablam!     Checking spin v0.4.6
Sep 19 14:55:16.966 INFO kablam!     Checking multiboot2 v0.1.0
Sep 19 14:55:17.154 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 19 14:55:17.155 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:76
Sep 19 14:55:17.155 INFO kablam!   |
Sep 19 14:55:17.155 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 19 14:55:17.156 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 19 14:55:17.156 INFO kablam! 
Sep 19 14:55:17.156 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 19 14:55:17.157 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:53
Sep 19 14:55:17.157 INFO kablam!   |
Sep 19 14:55:17.158 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 19 14:55:17.158 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 19 14:55:17.158 INFO kablam! 
Sep 19 14:55:17.197 INFO kablam! error: aborting due to 2 previous errors
Sep 19 14:55:17.197 INFO kablam! 
Sep 19 14:55:17.197 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 14:55:17.219 INFO kablam! error: Could not compile `spin`.
Sep 19 14:55:17.219 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 14:55:17.623 INFO kablam! error: build failed
Sep 19 14:55:17.625 INFO kablam! su: No module specific data is present
Sep 19 14:55:19.018 INFO running `"docker" "rm" "-f" "b16b106a6bd8d8dcf02356153ec554ed76b1e5b504cbcd39110d62b6435d906b"`
Sep 19 14:55:19.131 INFO blam! b16b106a6bd8d8dcf02356153ec554ed76b1e5b504cbcd39110d62b6435d906b