Aug 02 06:20:47.412 INFO checking jemalloc-0.2.2 against 1.27.2 for lazy_static-1
Aug 02 06:20:47.412 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:20:47.412 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:20:47.412 INFO running `"docker" "create" "-v" "/tmp/crater.DxQPDbzceua6:/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 06:20:47.674 INFO blam! 08acfd3f2c8b1edf33136736039c12929051110f8a3689deea017efd5b15fb21
Aug 02 06:20:47.677 INFO running `"docker" "start" "-a" "08acfd3f2c8b1edf33136736039c12929051110f8a3689deea017efd5b15fb21"`
Aug 02 06:20:48.682 INFO kablam!     Checking loca v0.5.4
Aug 02 06:20:49.127 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:20:49.127 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/loca-0.5.4/src/lib.rs:13:43
Aug 02 06:20:49.127 INFO kablam!    |
Aug 02 06:20:49.127 INFO kablam! 13 | #![cfg_attr(not(feature = "stable-rust"), feature(core_intrinsics))]
Aug 02 06:20:49.127 INFO kablam!    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:20:49.127 INFO kablam! 
Aug 02 06:20:49.127 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:20:49.127 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/loca-0.5.4/src/lib.rs:14:43
Aug 02 06:20:49.127 INFO kablam!    |
Aug 02 06:20:49.127 INFO kablam! 14 | #![cfg_attr(not(feature = "stable-rust"), feature(unique))]
Aug 02 06:20:49.127 INFO kablam!    |                                           ^^^^^^^^^^^^^^^^
Aug 02 06:20:49.127 INFO kablam! 
Aug 02 06:20:49.132 INFO kablam! error: aborting due to 2 previous errors
Aug 02 06:20:49.132 INFO kablam! 
Aug 02 06:20:49.132 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:20:49.138 INFO kablam! error: Could not compile `loca`.
Aug 02 06:20:49.138 INFO kablam! 
Aug 02 06:20:49.138 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:20:49.139 INFO kablam! su: No module specific data is present
Aug 02 06:20:49.854 INFO running `"docker" "rm" "-f" "08acfd3f2c8b1edf33136736039c12929051110f8a3689deea017efd5b15fb21"`
Aug 02 06:20:50.005 INFO blam! 08acfd3f2c8b1edf33136736039c12929051110f8a3689deea017efd5b15fb21