Aug 02 12:22:54.710 INFO checking cortex-a-1.0.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:22:54.710 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:22:54.710 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:22:54.711 INFO running `"docker" "create" "-v" "/tmp/crater.xvACyPDNbDII:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 12:22:54.927 INFO blam! a8c2f9dfbaa69e6de6c889bec0b834a431d9fc945bfd859e789f6fbb231dbb4a
Aug 02 12:22:54.929 INFO running `"docker" "start" "-a" "a8c2f9dfbaa69e6de6c889bec0b834a431d9fc945bfd859e789f6fbb231dbb4a"`
Aug 02 12:22:55.908 INFO kablam!     Checking tock-registers v0.1.0
Aug 02 12:22:56.179 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:22:56.179 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/tock-registers-0.1.0/src/lib.rs:5:1
Aug 02 12:22:56.179 INFO kablam!   |
Aug 02 12:22:56.179 INFO kablam! 5 | #![feature(const_fn)]
Aug 02 12:22:56.179 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:22:56.192 INFO kablam! 
Aug 02 12:22:56.195 INFO kablam! error: aborting due to previous error
Aug 02 12:22:56.196 INFO kablam! 
Aug 02 12:22:56.196 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:22:56.203 INFO kablam! error: Could not compile `tock-registers`.
Aug 02 12:22:56.203 INFO kablam! 
Aug 02 12:22:56.203 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:22:56.205 INFO kablam! su: No module specific data is present
Aug 02 12:22:56.798 INFO running `"docker" "rm" "-f" "a8c2f9dfbaa69e6de6c889bec0b834a431d9fc945bfd859e789f6fbb231dbb4a"`
Aug 02 12:22:56.988 INFO blam! a8c2f9dfbaa69e6de6c889bec0b834a431d9fc945bfd859e789f6fbb231dbb4a