Aug 02 15:08:12.757 INFO checking alloc-fmt-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 15:08:12.757 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:08:12.757 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 15:08:12.757 INFO running `"docker" "create" "-v" "/tmp/crater.aIotv19eLxK3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 02 15:08:13.092 INFO blam! d8f4a30e2c1adda59b8b027c69cc190aaf673fc1a14a40bf044db8fd52b04784
Aug 02 15:08:13.098 INFO running `"docker" "start" "-a" "d8f4a30e2c1adda59b8b027c69cc190aaf673fc1a14a40bf044db8fd52b04784"`
Aug 02 15:08:14.041 INFO kablam!     Checking spin v0.4.8
Aug 02 15:08:14.361 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:14.361 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:6:30
Aug 02 15:08:14.361 INFO kablam!   |
Aug 02 15:08:14.361 INFO kablam! 6 | #![cfg_attr(feature = "asm", feature(asm))]
Aug 02 15:08:14.361 INFO kablam!   |                              ^^^^^^^^^^^^^
Aug 02 15:08:14.361 INFO kablam! 
Aug 02 15:08:14.361 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:14.361 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:7:42
Aug 02 15:08:14.361 INFO kablam!   |
Aug 02 15:08:14.361 INFO kablam! 7 | #![cfg_attr(feature = "core_intrinsics", feature(core_intrinsics))]
Aug 02 15:08:14.361 INFO kablam!   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 15:08:14.361 INFO kablam! 
Aug 02 15:08:14.361 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 15:08:14.361 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/lib.rs:8:35
Aug 02 15:08:14.361 INFO kablam!   |
Aug 02 15:08:14.361 INFO kablam! 8 | #![cfg_attr(feature = "const_fn", feature(const_fn, const_unsafe_cell_new, const_atomic_usize_new))]
Aug 02 15:08:14.361 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 15:08:14.361 INFO kablam! 
Aug 02 15:08:14.363 INFO kablam! error: aborting due to 3 previous errors
Aug 02 15:08:14.363 INFO kablam! 
Aug 02 15:08:14.363 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 15:08:14.370 INFO kablam! error: Could not compile `spin`.
Aug 02 15:08:14.370 INFO kablam! 
Aug 02 15:08:14.370 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 15:08:14.371 INFO kablam! su: No module specific data is present
Aug 02 15:08:14.975 INFO running `"docker" "rm" "-f" "d8f4a30e2c1adda59b8b027c69cc190aaf673fc1a14a40bf044db8fd52b04784"`
Aug 02 15:08:15.131 INFO blam! d8f4a30e2c1adda59b8b027c69cc190aaf673fc1a14a40bf044db8fd52b04784