Aug 02 10:47:57.274 INFO checking enum-unitary-0.3.3 against 1.27.2+tmplazy for lazy_static-1 Aug 02 10:47:57.274 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:47:57.274 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:47:57.274 INFO running `"docker" "create" "-v" "/tmp/crater.ES0JIRHcDxMp:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 10:47:57.508 INFO blam! 0a18606ea9d91cb69f37be7d195c3e0336b405ebbb823e3c7d5d9b59440cb6c2 Aug 02 10:47:57.519 INFO running `"docker" "start" "-a" "0a18606ea9d91cb69f37be7d195c3e0336b405ebbb823e3c7d5d9b59440cb6c2"` Aug 02 10:47:58.698 INFO kablam! Checking enum_derive v0.1.7 Aug 02 10:47:58.701 INFO kablam! Checking macro-attr v0.2.0 Aug 02 10:47:59.317 INFO kablam! Checking enum-unitary v0.3.3 (file:///source) Aug 02 10:48:00.067 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:48:00.067 INFO kablam! --> src/lib.rs:20:1 Aug 02 10:48:00.067 INFO kablam! | Aug 02 10:48:00.067 INFO kablam! 20 | #![feature(use_extern_macros)] Aug 02 10:48:00.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 10:48:00.067 INFO kablam! Aug 02 10:48:00.068 INFO kablam! error: aborting due to previous error Aug 02 10:48:00.069 INFO kablam! Aug 02 10:48:00.069 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:48:00.076 INFO kablam! error: Could not compile `enum-unitary`. Aug 02 10:48:00.076 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 10:48:00.147 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:48:00.147 INFO kablam! --> src/lib.rs:19:19 Aug 02 10:48:00.147 INFO kablam! | Aug 02 10:48:00.147 INFO kablam! 19 | #![cfg_attr(test, feature(const_fn))] Aug 02 10:48:00.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Aug 02 10:48:00.147 INFO kablam! Aug 02 10:48:00.147 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:48:00.147 INFO kablam! --> src/lib.rs:20:1 Aug 02 10:48:00.147 INFO kablam! | Aug 02 10:48:00.147 INFO kablam! 20 | #![feature(use_extern_macros)] Aug 02 10:48:00.147 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 10:48:00.147 INFO kablam! Aug 02 10:48:00.153 INFO kablam! error: aborting due to 2 previous errors Aug 02 10:48:00.160 INFO kablam! Aug 02 10:48:00.160 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:48:00.181 INFO kablam! error: Could not compile `enum-unitary`. Aug 02 10:48:00.181 INFO kablam! Aug 02 10:48:00.181 INFO kablam! To learn more, run the command again with --verbose. Aug 02 10:48:00.185 INFO kablam! su: No module specific data is present Aug 02 10:48:01.070 INFO running `"docker" "rm" "-f" "0a18606ea9d91cb69f37be7d195c3e0336b405ebbb823e3c7d5d9b59440cb6c2"` Aug 02 10:48:01.227 INFO blam! 0a18606ea9d91cb69f37be7d195c3e0336b405ebbb823e3c7d5d9b59440cb6c2