Aug 02 13:37:33.752 INFO checking bytestool-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 13:37:33.752 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:37:33.752 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:37:33.752 INFO running `"docker" "create" "-v" "/tmp/crater.aGwfTKozaUvA:/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 13:37:33.928 INFO blam! a59ab823406aa041a4fbd3ef7cd747550808e6b4584b03437ea615e2939feac8
Aug 02 13:37:33.930 INFO running `"docker" "start" "-a" "a59ab823406aa041a4fbd3ef7cd747550808e6b4584b03437ea615e2939feac8"`
Aug 02 13:37:34.605 INFO kablam!     Checking bytestool v0.3.0 (file:///source)
Aug 02 13:37:36.753 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:37:36.753 INFO kablam!  --> src/lib.rs:2:1
Aug 02 13:37:36.753 INFO kablam!   |
Aug 02 13:37:36.753 INFO kablam! 2 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:37:36.753 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:37:36.753 INFO kablam! 
Aug 02 13:37:36.753 INFO kablam! error: aborting due to previous error
Aug 02 13:37:36.753 INFO kablam! 
Aug 02 13:37:36.753 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:37:36.769 INFO kablam! error: Could not compile `bytestool`.
Aug 02 13:37:36.769 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:37:36.811 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:37:36.811 INFO kablam!  --> src/lib.rs:2:1
Aug 02 13:37:36.811 INFO kablam!   |
Aug 02 13:37:36.811 INFO kablam! 2 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:37:36.811 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:37:36.811 INFO kablam! 
Aug 02 13:37:36.812 INFO kablam! error: aborting due to previous error
Aug 02 13:37:36.812 INFO kablam! 
Aug 02 13:37:36.812 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:37:36.824 INFO kablam! error: Could not compile `bytestool`.
Aug 02 13:37:36.824 INFO kablam! 
Aug 02 13:37:36.825 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:37:36.826 INFO kablam! su: No module specific data is present
Aug 02 13:37:37.327 INFO running `"docker" "rm" "-f" "a59ab823406aa041a4fbd3ef7cd747550808e6b4584b03437ea615e2939feac8"`
Aug 02 13:37:37.471 INFO blam! a59ab823406aa041a4fbd3ef7cd747550808e6b4584b03437ea615e2939feac8