Aug 01 15:37:50.754 INFO checking notbdu/rustbelt against 1.27.2+tmplazy for lazy_static-1
Aug 01 15:37:50.754 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:37:50.754 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:37:50.755 INFO running `"docker" "create" "-v" "/tmp/crater.nsHdykjSEXJi:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 15:37:51.063 INFO blam! 4f01ecd352d12ae4e6588d5efb64e36dcf2fe01aa79c1c91f59836b6e898cd08
Aug 01 15:37:51.066 INFO running `"docker" "start" "-a" "4f01ecd352d12ae4e6588d5efb64e36dcf2fe01aa79c1c91f59836b6e898cd08"`
Aug 01 15:37:52.564 INFO kablam!     Checking bitflags v0.4.0
Aug 01 15:37:52.565 INFO kablam!     Checking bit_field v0.7.0
Aug 01 15:37:52.565 INFO kablam!     Checking rlibc v1.0.0
Aug 01 15:37:52.565 INFO kablam!     Checking spin v0.4.8
Aug 01 15:37:52.565 INFO kablam!     Checking volatile v0.1.0
Aug 01 15:37:53.265 INFO kablam!     Checking multiboot2 v0.1.0
Aug 01 15:37:53.272 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:37:53.272 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
Aug 01 15:37:53.272 INFO kablam!   |
Aug 01 15:37:53.272 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))]
Aug 01 15:37:53.272 INFO kablam!   |                              ^^^^^^^^^^^^^
Aug 01 15:37:53.289 INFO kablam! 
Aug 01 15:37:53.290 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:37:53.290 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
Aug 01 15:37:53.290 INFO kablam!   |
Aug 01 15:37:53.290 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
Aug 01 15:37:53.290 INFO kablam!   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:37:53.297 INFO kablam! 
Aug 01 15:37:53.297 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:37:53.298 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
Aug 01 15:37:53.298 INFO kablam!   |
Aug 01 15:37:53.298 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 01 15:37:53.298 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:37:53.298 INFO kablam! 
Aug 01 15:37:53.300 INFO kablam! error: aborting due to 3 previous errors
Aug 01 15:37:53.313 INFO kablam! 
Aug 01 15:37:53.313 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:37:53.321 INFO kablam! error: Could not compile `spin`.
Aug 01 15:37:53.321 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:37:54.303 INFO kablam! error: build failed
Aug 01 15:37:54.306 INFO kablam! su: No module specific data is present
Aug 01 15:37:55.126 INFO running `"docker" "rm" "-f" "4f01ecd352d12ae4e6588d5efb64e36dcf2fe01aa79c1c91f59836b6e898cd08"`
Aug 01 15:37:55.335 INFO blam! 4f01ecd352d12ae4e6588d5efb64e36dcf2fe01aa79c1c91f59836b6e898cd08