Aug 01 15:18:44.765 INFO checking rafalmiel/cykusz-rs against 1.27.2 for lazy_static-1
Aug 01 15:18:44.766 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:44.766 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 15:18:44.766 INFO running `"docker" "create" "-v" "/tmp/crater.AIhM8zZcANNy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 15:18:44.991 INFO blam! 8ee3faf117786d71e39f8c13bdcc49f05b47449a826b91097dac7c862e039544
Aug 01 15:18:44.993 INFO running `"docker" "start" "-a" "8ee3faf117786d71e39f8c13bdcc49f05b47449a826b91097dac7c862e039544"`
Aug 01 15:18:45.958 INFO kablam!     Checking spin v0.4.8
Aug 01 15:18:45.960 INFO kablam!    Compiling rustc_version v0.2.2
Aug 01 15:18:46.401 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:18:46.401 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
Aug 01 15:18:46.401 INFO kablam!   |
Aug 01 15:18:46.401 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))]
Aug 01 15:18:46.401 INFO kablam!   |                              ^^^^^^^^^^^^^
Aug 01 15:18:46.402 INFO kablam! 
Aug 01 15:18:46.402 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:18:46.402 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
Aug 01 15:18:46.402 INFO kablam!   |
Aug 01 15:18:46.402 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
Aug 01 15:18:46.402 INFO kablam!   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:18:46.402 INFO kablam! 
Aug 01 15:18:46.402 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 15:18:46.402 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
Aug 01 15:18:46.402 INFO kablam!   |
Aug 01 15:18:46.402 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 01 15:18:46.402 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 15:18:46.402 INFO kablam! 
Aug 01 15:18:46.404 INFO kablam! error: aborting due to 3 previous errors
Aug 01 15:18:46.404 INFO kablam! 
Aug 01 15:18:46.404 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 15:18:46.409 INFO kablam! error: Could not compile `spin`.
Aug 01 15:18:46.409 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 15:18:47.894 INFO kablam! error: build failed
Aug 01 15:18:47.895 INFO kablam! su: No module specific data is present
Aug 01 15:18:48.614 INFO running `"docker" "rm" "-f" "8ee3faf117786d71e39f8c13bdcc49f05b47449a826b91097dac7c862e039544"`
Aug 01 15:18:48.789 INFO blam! 8ee3faf117786d71e39f8c13bdcc49f05b47449a826b91097dac7c862e039544