Aug 02 11:14:43.869 INFO checking doublify-toolkit-0.1.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:14:43.869 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:14:43.869 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:14:43.869 INFO running `"docker" "create" "-v" "/tmp/crater.ugMp8bI9irL6:/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 11:14:44.185 INFO blam! 43e62015d7fd1594add39ffe5604b2ff471f5c275a2d7e3535c9505542fb3690
Aug 02 11:14:44.187 INFO running `"docker" "start" "-a" "43e62015d7fd1594add39ffe5604b2ff471f5c275a2d7e3535c9505542fb3690"`
Aug 02 11:14:45.475 INFO kablam!     Checking doublify-toolkit v0.1.1 (file:///source)
Aug 02 11:14:45.780 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:14:45.780 INFO kablam!   --> src/lib.rs:22:1
Aug 02 11:14:45.780 INFO kablam!    |
Aug 02 11:14:45.780 INFO kablam! 22 | #![feature(box_patterns)]
Aug 02 11:14:45.780 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:14:45.780 INFO kablam! 
Aug 02 11:14:45.787 INFO kablam! error: aborting due to previous error
Aug 02 11:14:45.787 INFO kablam! 
Aug 02 11:14:45.787 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:14:45.787 INFO kablam! error: Could not compile `doublify-toolkit`.
Aug 02 11:14:45.787 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:14:45.814 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:14:45.814 INFO kablam!   --> src/lib.rs:22:1
Aug 02 11:14:45.814 INFO kablam!    |
Aug 02 11:14:45.814 INFO kablam! 22 | #![feature(box_patterns)]
Aug 02 11:14:45.814 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:14:45.814 INFO kablam! 
Aug 02 11:14:45.815 INFO kablam! error: aborting due to previous error
Aug 02 11:14:45.815 INFO kablam! 
Aug 02 11:14:45.815 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:14:45.822 INFO kablam! error: Could not compile `doublify-toolkit`.
Aug 02 11:14:45.822 INFO kablam! 
Aug 02 11:14:45.822 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:14:45.824 INFO kablam! su: No module specific data is present
Aug 02 11:14:46.503 INFO running `"docker" "rm" "-f" "43e62015d7fd1594add39ffe5604b2ff471f5c275a2d7e3535c9505542fb3690"`
Aug 02 11:14:46.640 INFO blam! 43e62015d7fd1594add39ffe5604b2ff471f5c275a2d7e3535c9505542fb3690