Aug 02 03:30:42.858 INFO checking nodrop-union-0.1.9 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:30:42.858 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:30:42.858 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:30:42.858 INFO running `"docker" "create" "-v" "/tmp/crater.TmNQczm7Rl06:/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 03:30:43.110 INFO blam! 25407d855b10d7079a7c0ab16b25c6bd1a488b3fcf6c5c775b60f64f1051599d
Aug 02 03:30:43.112 INFO running `"docker" "start" "-a" "25407d855b10d7079a7c0ab16b25c6bd1a488b3fcf6c5c775b60f64f1051599d"`
Aug 02 03:30:44.052 INFO kablam!     Checking nodrop-union v0.1.9 (file:///source)
Aug 02 03:30:44.498 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:30:44.498 INFO kablam!   --> src/lib.rs:21:1
Aug 02 03:30:44.498 INFO kablam!    |
Aug 02 03:30:44.498 INFO kablam! 21 | #![feature(untagged_unions)]
Aug 02 03:30:44.498 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:30:44.504 INFO kablam! 
Aug 02 03:30:44.505 INFO kablam! error: aborting due to previous error
Aug 02 03:30:44.505 INFO kablam! 
Aug 02 03:30:44.505 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:30:44.509 INFO kablam! error: Could not compile `nodrop-union`.
Aug 02 03:30:44.509 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:30:44.762 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:30:44.762 INFO kablam!   --> src/lib.rs:21:1
Aug 02 03:30:44.762 INFO kablam!    |
Aug 02 03:30:44.762 INFO kablam! 21 | #![feature(untagged_unions)]
Aug 02 03:30:44.763 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:30:44.763 INFO kablam! 
Aug 02 03:30:44.763 INFO kablam! error: aborting due to previous error
Aug 02 03:30:44.763 INFO kablam! 
Aug 02 03:30:44.763 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:30:44.770 INFO kablam! error: Could not compile `nodrop-union`.
Aug 02 03:30:44.770 INFO kablam! 
Aug 02 03:30:44.770 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 03:30:44.771 INFO kablam! su: No module specific data is present
Aug 02 03:30:45.350 INFO running `"docker" "rm" "-f" "25407d855b10d7079a7c0ab16b25c6bd1a488b3fcf6c5c775b60f64f1051599d"`
Aug 02 03:30:45.501 INFO blam! 25407d855b10d7079a7c0ab16b25c6bd1a488b3fcf6c5c775b60f64f1051599d