Aug 02 06:25:17.969 INFO checking iso_country-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:25:17.969 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:25:17.969 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:25:17.969 INFO running `"docker" "create" "-v" "/tmp/crater.7qsyr6MJ7eVq:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 06:25:18.286 INFO blam! ac16fff5d0873089253cf30767a1cb055da916061a48c4fe08e01c7cd2636271
Aug 02 06:25:18.288 INFO running `"docker" "start" "-a" "ac16fff5d0873089253cf30767a1cb055da916061a48c4fe08e01c7cd2636271"`
Aug 02 06:25:19.222 INFO kablam!     Blocking waiting for file lock on the git checkouts
Aug 02 06:25:19.270 INFO kablam!     Checking iso_country v0.1.2 (file:///source)
Aug 02 06:25:23.656 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:25:23.656 INFO kablam!  --> benches/country.rs:1:1
Aug 02 06:25:23.656 INFO kablam!   |
Aug 02 06:25:23.656 INFO kablam! 1 | #![feature(test)]
Aug 02 06:25:23.656 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 06:25:23.656 INFO kablam! 
Aug 02 06:25:23.656 INFO kablam! error: aborting due to previous error
Aug 02 06:25:23.656 INFO kablam! 
Aug 02 06:25:23.656 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:25:23.671 INFO kablam! error: Could not compile `iso_country`.
Aug 02 06:25:23.671 INFO kablam! 
Aug 02 06:25:23.671 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:25:23.673 INFO kablam! su: No module specific data is present
Aug 02 06:25:24.287 INFO running `"docker" "rm" "-f" "ac16fff5d0873089253cf30767a1cb055da916061a48c4fe08e01c7cd2636271"`
Aug 02 06:25:24.440 INFO blam! ac16fff5d0873089253cf30767a1cb055da916061a48c4fe08e01c7cd2636271