Aug 02 11:18:37.977 INFO checking docker4rs-0.0.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:18:37.977 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:18:37.977 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:18:37.977 INFO running `"docker" "create" "-v" "/tmp/crater.flr9VJQ6mDXJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+tmplazy:/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 11:18:38.236 INFO blam! 2bd633e13ac73094ac6c6ccedf708ec125a0c5fd64aa79c1a7d3428c7500ccff
Aug 02 11:18:38.237 INFO running `"docker" "start" "-a" "2bd633e13ac73094ac6c6ccedf708ec125a0c5fd64aa79c1a7d3428c7500ccff"`
Aug 02 11:18:39.482 INFO kablam!     Checking docker4rs v0.0.1 (file:///source)
Aug 02 11:18:41.486 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:18:41.486 INFO kablam!  --> src/lib.rs:2:1
Aug 02 11:18:41.486 INFO kablam!   |
Aug 02 11:18:41.486 INFO kablam! 2 | #![feature(proc_macro, plugin, custom_derive)]
Aug 02 11:18:41.486 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:18:41.486 INFO kablam! 
Aug 02 11:18:41.487 INFO kablam! error: aborting due to previous error
Aug 02 11:18:41.487 INFO kablam! 
Aug 02 11:18:41.487 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:18:41.496 INFO kablam! error: Could not compile `docker4rs`.
Aug 02 11:18:41.496 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:18:41.517 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:18:41.517 INFO kablam!  --> src/lib.rs:2:1
Aug 02 11:18:41.517 INFO kablam!   |
Aug 02 11:18:41.517 INFO kablam! 2 | #![feature(proc_macro, plugin, custom_derive)]
Aug 02 11:18:41.517 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:18:41.517 INFO kablam! 
Aug 02 11:18:41.518 INFO kablam! error: aborting due to previous error
Aug 02 11:18:41.518 INFO kablam! 
Aug 02 11:18:41.518 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:18:41.536 INFO kablam! error: Could not compile `docker4rs`.
Aug 02 11:18:41.536 INFO kablam! 
Aug 02 11:18:41.536 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:18:41.538 INFO kablam! su: No module specific data is present
Aug 02 11:18:42.717 INFO running `"docker" "rm" "-f" "2bd633e13ac73094ac6c6ccedf708ec125a0c5fd64aa79c1a7d3428c7500ccff"`
Aug 02 11:18:42.876 INFO blam! 2bd633e13ac73094ac6c6ccedf708ec125a0c5fd64aa79c1a7d3428c7500ccff