Aug 01 22:17:43.279 INFO checking shortcut-4.1.2 against 1.27.2 for lazy_static-1
Aug 01 22:17:43.279 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:17:43.279 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:17:43.279 INFO running `"docker" "create" "-v" "/tmp/crater.X1O1uQpc0OFy:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 22:17:43.497 INFO blam! 3a865cc88b8927c65955322ea54e7a98874901452b97b843362b25e85fd5f066
Aug 01 22:17:43.500 INFO running `"docker" "start" "-a" "3a865cc88b8927c65955322ea54e7a98874901452b97b843362b25e85fd5f066"`
Aug 01 22:17:44.477 INFO kablam!     Checking shortcut v4.1.2 (file:///source)
Aug 01 22:17:44.691 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:17:44.691 INFO kablam!   --> src/lib.rs:29:1
Aug 01 22:17:44.691 INFO kablam!    |
Aug 01 22:17:44.691 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 01 22:17:44.691 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:17:44.691 INFO kablam! 
Aug 01 22:17:44.692 INFO kablam! error: aborting due to previous error
Aug 01 22:17:44.692 INFO kablam! 
Aug 01 22:17:44.692 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:17:44.696 INFO kablam! error: Could not compile `shortcut`.
Aug 01 22:17:44.696 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:17:44.751 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:17:44.751 INFO kablam!   --> src/lib.rs:29:1
Aug 01 22:17:44.751 INFO kablam!    |
Aug 01 22:17:44.751 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 01 22:17:44.751 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:17:44.751 INFO kablam! 
Aug 01 22:17:44.753 INFO kablam! error: aborting due to previous error
Aug 01 22:17:44.753 INFO kablam! 
Aug 01 22:17:44.753 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:17:44.759 INFO kablam! error: Could not compile `shortcut`.
Aug 01 22:17:44.760 INFO kablam! 
Aug 01 22:17:44.760 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:17:44.761 INFO kablam! su: No module specific data is present
Aug 01 22:17:45.600 INFO running `"docker" "rm" "-f" "3a865cc88b8927c65955322ea54e7a98874901452b97b843362b25e85fd5f066"`
Aug 01 22:17:45.788 INFO blam! 3a865cc88b8927c65955322ea54e7a98874901452b97b843362b25e85fd5f066