Aug 02 07:17:59.255 INFO checking hex_literals-0.1.6 against 1.27.2 for lazy_static-1
Aug 02 07:17:59.255 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:17:59.255 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:17:59.255 INFO running `"docker" "create" "-v" "/tmp/crater.UJnGs1dV9UAS:/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 07:17:59.630 INFO blam! 024323c94532d34dbbadb04ef00839dae98f38c69ec7e4b66f8e998a967f7970
Aug 02 07:17:59.632 INFO running `"docker" "start" "-a" "024323c94532d34dbbadb04ef00839dae98f38c69ec7e4b66f8e998a967f7970"`
Aug 02 07:18:01.459 INFO kablam!     Checking hex_literals v0.1.6 (file:///source)
Aug 02 07:18:03.928 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:18:03.928 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:18:03.928 INFO kablam!   |
Aug 02 07:18:03.928 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private, slice_patterns)]
Aug 02 07:18:03.928 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:18:03.928 INFO kablam! 
Aug 02 07:18:03.929 INFO kablam! error: aborting due to previous error
Aug 02 07:18:03.929 INFO kablam! 
Aug 02 07:18:03.929 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:18:03.939 INFO kablam! error: Could not compile `hex_literals`.
Aug 02 07:18:03.939 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:18:04.533 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:18:04.533 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:18:04.533 INFO kablam!   |
Aug 02 07:18:04.533 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private, slice_patterns)]
Aug 02 07:18:04.533 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:18:04.533 INFO kablam! 
Aug 02 07:18:04.533 INFO kablam! error: aborting due to previous error
Aug 02 07:18:04.533 INFO kablam! 
Aug 02 07:18:04.533 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:18:04.544 INFO kablam! error: Could not compile `hex_literals`.
Aug 02 07:18:04.544 INFO kablam! 
Aug 02 07:18:04.544 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:18:04.548 INFO kablam! su: No module specific data is present
Aug 02 07:18:05.331 INFO running `"docker" "rm" "-f" "024323c94532d34dbbadb04ef00839dae98f38c69ec7e4b66f8e998a967f7970"`
Aug 02 07:18:05.443 INFO blam! 024323c94532d34dbbadb04ef00839dae98f38c69ec7e4b66f8e998a967f7970