Aug 02 05:21:20.633 INFO checking libreal-0.14.1 against 1.27.2 for lazy_static-1
Aug 02 05:21:20.633 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:21:20.633 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:21:20.633 INFO running `"docker" "create" "-v" "/tmp/crater.aj2Tz2eFKReW:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 02 05:21:20.873 INFO blam! e8222d1f7e8da38b7f1ab33365b9119322d75797f45f37dad48664b460c4599b
Aug 02 05:21:20.873 INFO running `"docker" "start" "-a" "e8222d1f7e8da38b7f1ab33365b9119322d75797f45f37dad48664b460c4599b"`
Aug 02 05:21:21.724 INFO kablam!    Compiling typenum v1.10.0
Aug 02 05:21:21.724 INFO kablam!    Compiling containers v0.7.1
Aug 02 05:21:21.724 INFO kablam!    Compiling i-o v0.2.2
Aug 02 05:21:21.724 INFO kablam!     Checking loca v0.5.4
Aug 02 05:21:21.724 INFO kablam!     Checking heap v0.1.0
Aug 02 05:21:21.724 INFO kablam!     Checking rel v0.1.2
Aug 02 05:21:22.574 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:21:22.574 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/loca-0.5.4/src/lib.rs:13:43
Aug 02 05:21:22.574 INFO kablam!    |
Aug 02 05:21:22.574 INFO kablam! 13 | #![cfg_attr(not(feature = "stable-rust"), feature(core_intrinsics))]
Aug 02 05:21:22.574 INFO kablam!    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:21:22.574 INFO kablam! 
Aug 02 05:21:22.574 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:21:22.574 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/loca-0.5.4/src/lib.rs:14:43
Aug 02 05:21:22.574 INFO kablam!    |
Aug 02 05:21:22.574 INFO kablam! 14 | #![cfg_attr(not(feature = "stable-rust"), feature(unique))]
Aug 02 05:21:22.574 INFO kablam!    |                                           ^^^^^^^^^^^^^^^^
Aug 02 05:21:22.574 INFO kablam! 
Aug 02 05:21:22.603 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:21:22.603 INFO kablam! 
Aug 02 05:21:22.603 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:21:22.617 INFO kablam! error: Could not compile `loca`.
Aug 02 05:21:22.617 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:21:25.953 INFO kablam! error: build failed
Aug 02 05:21:25.954 INFO kablam! su: No module specific data is present
Aug 02 05:21:26.507 INFO running `"docker" "rm" "-f" "e8222d1f7e8da38b7f1ab33365b9119322d75797f45f37dad48664b460c4599b"`
Aug 02 05:21:26.664 INFO blam! e8222d1f7e8da38b7f1ab33365b9119322d75797f45f37dad48664b460c4599b