Aug 01 22:05:06.483 INFO checking slab_allocator-0.3.3 against 1.27.2 for lazy_static-1
Aug 01 22:05:06.483 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:05:06.483 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:05:06.483 INFO running `"docker" "create" "-v" "/tmp/crater.5wh8UPilHdbU:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 22:05:06.758 INFO blam! bc7e6003340b5d5c3c72a9d4dd432eca693611cabe64ebaf3bba6f0d780e74e7
Aug 01 22:05:06.760 INFO running `"docker" "start" "-a" "bc7e6003340b5d5c3c72a9d4dd432eca693611cabe64ebaf3bba6f0d780e74e7"`
Aug 01 22:05:07.823 INFO kablam!     Checking spin v0.4.8
Aug 01 22:05:08.096 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:08.096 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
Aug 01 22:05:08.096 INFO kablam!   |
Aug 01 22:05:08.096 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))]
Aug 01 22:05:08.096 INFO kablam!   |                              ^^^^^^^^^^^^^
Aug 01 22:05:08.096 INFO kablam! 
Aug 01 22:05:08.096 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:08.096 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
Aug 01 22:05:08.096 INFO kablam!   |
Aug 01 22:05:08.096 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
Aug 01 22:05:08.096 INFO kablam!   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:08.096 INFO kablam! 
Aug 01 22:05:08.097 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:05:08.097 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
Aug 01 22:05:08.098 INFO kablam!   |
Aug 01 22:05:08.098 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 01 22:05:08.098 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:05:08.098 INFO kablam! 
Aug 01 22:05:08.098 INFO kablam! error: aborting due to 3 previous errors
Aug 01 22:05:08.098 INFO kablam! 
Aug 01 22:05:08.098 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:05:08.108 INFO kablam! error: Could not compile `spin`.
Aug 01 22:05:08.109 INFO kablam! 
Aug 01 22:05:08.109 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:05:08.116 INFO kablam! su: No module specific data is present
Aug 01 22:05:08.676 INFO running `"docker" "rm" "-f" "bc7e6003340b5d5c3c72a9d4dd432eca693611cabe64ebaf3bba6f0d780e74e7"`
Aug 01 22:05:08.855 INFO blam! bc7e6003340b5d5c3c72a9d4dd432eca693611cabe64ebaf3bba6f0d780e74e7