Sep 17 11:57:18.441 INFO checking notbdu/rustbelt against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 11:57:18.441 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 11:57:18.441 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 11:57:18.877 INFO blam! b097fc70708c20858b703a16f657a4678f541965db05dfd278e6af54dc968736
Sep 17 11:57:18.880 INFO running `"docker" "start" "-a" "b097fc70708c20858b703a16f657a4678f541965db05dfd278e6af54dc968736"`
Sep 17 11:57:20.468 INFO kablam! usermod: no changes
Sep 17 11:57:20.575 INFO kablam!     Checking bit_field v0.7.0
Sep 17 11:57:20.579 INFO kablam!     Checking bitflags v0.4.0
Sep 17 11:57:20.579 INFO kablam!     Checking spin v0.4.6
Sep 17 11:57:20.579 INFO kablam!     Checking volatile v0.1.0
Sep 17 11:57:21.001 INFO kablam!     Checking multiboot2 v0.1.0
Sep 17 11:57:21.451 INFO kablam! error[E0635]: unknown feature `const_atomic_usize_new`
Sep 17 11:57:21.451 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:76
Sep 17 11:57:21.451 INFO kablam!   |
Sep 17 11:57:21.451 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 17 11:57:21.451 INFO kablam!   |                                                                            ^^^^^^^^^^^^^^^^^^^^^^
Sep 17 11:57:21.451 INFO kablam! 
Sep 17 11:57:21.451 INFO kablam! error[E0635]: unknown feature `const_unsafe_cell_new`
Sep 17 11:57:21.451 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.6/src/lib.rs:8:53
Sep 17 11:57:21.451 INFO kablam!   |
Sep 17 11:57:21.451 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Sep 17 11:57:21.451 INFO kablam!   |                                                     ^^^^^^^^^^^^^^^^^^^^^
Sep 17 11:57:21.451 INFO kablam! 
Sep 17 11:57:21.474 INFO kablam! error: aborting due to 2 previous errors
Sep 17 11:57:21.475 INFO kablam! 
Sep 17 11:57:21.475 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 17 11:57:21.475 INFO kablam! error: Could not compile `spin`.
Sep 17 11:57:21.475 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 11:57:21.774 INFO kablam! error: build failed
Sep 17 11:57:21.775 INFO kablam! su: No module specific data is present
Sep 17 11:57:22.601 INFO running `"docker" "rm" "-f" "b097fc70708c20858b703a16f657a4678f541965db05dfd278e6af54dc968736"`
Sep 17 11:57:22.922 INFO blam! b097fc70708c20858b703a16f657a4678f541965db05dfd278e6af54dc968736