error: unexpected end of input, expected expression
  --> $DIR/missing_success.rs:8:9
   |
8  | /         allochronic_util::select![
9  | |             test: future =>
10 | |         ]
   | |_________^
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)