Aug 01 19:36:24.557 INFO checking unicode_names2-0.2.2 against 1.27.2+tmplazy for lazy_static-1
Aug 01 19:36:24.557 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:36:24.557 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 19:36:24.558 INFO running `"docker" "create" "-v" "/tmp/crater.g95w1sbqlWe1:/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 01 19:36:24.883 INFO blam! 554dff0656963ca6ced97f380e259942d3b2611c66985484f67df7a8e846457f
Aug 01 19:36:24.890 INFO running `"docker" "start" "-a" "554dff0656963ca6ced97f380e259942d3b2611c66985484f67df7a8e846457f"`
Aug 01 19:36:26.006 INFO kablam!    Compiling unicode_names2 v0.2.2
Aug 01 19:36:26.006 INFO kablam!     Checking unicode_names2 v0.2.2 (file:///source)
Aug 01 19:36:26.006 INFO kablam!    Compiling regex v0.1.80
Aug 01 19:36:53.182 INFO kablam!    Compiling unicode_names2_macros v0.2.0
Aug 01 19:36:54.184 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 19:36:54.184 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode_names2_macros-0.2.0/src/lib.rs:5:1
Aug 01 19:36:54.184 INFO kablam!   |
Aug 01 19:36:54.184 INFO kablam! 5 | #![feature(quote, plugin_registrar, plugin, rustc_private)]
Aug 01 19:36:54.184 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 19:36:54.184 INFO kablam! 
Aug 01 19:36:54.184 INFO kablam! error: aborting due to previous error
Aug 01 19:36:54.184 INFO kablam! 
Aug 01 19:36:54.184 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 19:36:54.199 INFO kablam! error: Could not compile `unicode_names2_macros`.
Aug 01 19:36:54.199 INFO kablam! 
Aug 01 19:36:54.199 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 19:36:54.200 INFO kablam! su: No module specific data is present
Aug 01 19:36:55.022 INFO running `"docker" "rm" "-f" "554dff0656963ca6ced97f380e259942d3b2611c66985484f67df7a8e846457f"`
Aug 01 19:36:55.145 INFO blam! 554dff0656963ca6ced97f380e259942d3b2611c66985484f67df7a8e846457f