Aug 01 18:26:19.951 INFO checking xml_writer-0.1.4 against 1.27.2 for lazy_static-1
Aug 01 18:26:19.951 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:26:19.951 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:26:19.951 INFO running `"docker" "create" "-v" "/tmp/crater.MvcNG8CSa2Ag:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 01 18:26:20.121 INFO blam! 5828a2a05c1ff49c34edf9e439269dc84eea2832b0ac7d49ce5f2e37ff60ad4e
Aug 01 18:26:20.121 INFO running `"docker" "start" "-a" "5828a2a05c1ff49c34edf9e439269dc84eea2832b0ac7d49ce5f2e37ff60ad4e"`
Aug 01 18:26:21.933 INFO kablam!     Checking xml_writer v0.1.4 (file:///source)
Aug 01 18:26:22.134 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:26:22.134 INFO kablam!  --> src/lib.rs:2:1
Aug 01 18:26:22.134 INFO kablam!   |
Aug 01 18:26:22.134 INFO kablam! 2 | #![feature(unicode)]
Aug 01 18:26:22.134 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 18:26:22.134 INFO kablam! 
Aug 01 18:26:22.135 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:26:22.135 INFO kablam!  --> src/lib.rs:2:1
Aug 01 18:26:22.135 INFO kablam!   |
Aug 01 18:26:22.135 INFO kablam! 2 | #![feature(unicode)]
Aug 01 18:26:22.135 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Aug 01 18:26:22.135 INFO kablam! error: aborting due to previous error
Aug 01 18:26:22.135 INFO kablam! 
Aug 01 18:26:22.135 INFO kablam! 
Aug 01 18:26:22.135 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:26:22.135 INFO kablam! error: aborting due to previous error
Aug 01 18:26:22.135 INFO kablam! 
Aug 01 18:26:22.135 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:26:22.140 INFO kablam! error: Could not compile `xml_writer`.
Aug 01 18:26:22.140 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:26:22.140 INFO kablam! error: Could not compile `xml_writer`.
Aug 01 18:26:22.140 INFO kablam! 
Aug 01 18:26:22.140 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 18:26:22.141 INFO kablam! su: No module specific data is present
Aug 01 18:26:22.691 INFO running `"docker" "rm" "-f" "5828a2a05c1ff49c34edf9e439269dc84eea2832b0ac7d49ce5f2e37ff60ad4e"`
Aug 01 18:26:22.783 INFO blam! 5828a2a05c1ff49c34edf9e439269dc84eea2832b0ac7d49ce5f2e37ff60ad4e