Aug 01 23:56:22.461 INFO checking rundo-0.4.0 against 1.27.2 for lazy_static-1
Aug 01 23:56:22.461 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:56:22.461 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:56:22.462 INFO running `"docker" "create" "-v" "/tmp/crater.iCYcFbHj339c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 23:56:22.861 INFO blam! b8cb92e723414491ce1a845c7d93c6c3dce12b0bd68e17e3675dfe9193c08cd8
Aug 01 23:56:22.861 INFO running `"docker" "start" "-a" "b8cb92e723414491ce1a845c7d93c6c3dce12b0bd68e17e3675dfe9193c08cd8"`
Aug 01 23:56:23.997 INFO kablam!    Compiling difference v2.0.0
Aug 01 23:56:24.004 INFO kablam!     Checking rundo_types v0.4.0
Aug 01 23:56:24.007 INFO kablam!    Compiling syn v0.12.15
Aug 01 23:56:24.010 INFO kablam!     Checking bson v0.11.1
Aug 01 23:57:06.482 INFO kablam!    Compiling rundo_attrs v0.4.0
Aug 01 23:57:07.405 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:57:07.405 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rundo_attrs-0.4.0/src/lib.rs:2:1
Aug 01 23:57:07.405 INFO kablam!   |
Aug 01 23:57:07.405 INFO kablam! 2 | #![feature(proc_macro)]
Aug 01 23:57:07.405 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:57:07.405 INFO kablam! 
Aug 01 23:57:07.406 INFO kablam! error: aborting due to previous error
Aug 01 23:57:07.406 INFO kablam! 
Aug 01 23:57:07.406 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:57:07.417 INFO kablam! error: Could not compile `rundo_attrs`.
Aug 01 23:57:07.417 INFO kablam! 
Aug 01 23:57:07.417 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:57:07.418 INFO kablam! su: No module specific data is present
Aug 01 23:57:08.358 INFO running `"docker" "rm" "-f" "b8cb92e723414491ce1a845c7d93c6c3dce12b0bd68e17e3675dfe9193c08cd8"`
Aug 01 23:57:08.454 INFO blam! b8cb92e723414491ce1a845c7d93c6c3dce12b0bd68e17e3675dfe9193c08cd8