DUB saying my Linux exe file is "not an executable file" even though DUB built it

[Adam D. Ruppe via Digitalmars-d-learn]

On Saturday, 13 August 2016 at 18:28:20 UTC, WhatMeWorry wrote:
> $ dub run
> Performing "debug" build using dmd for x86_64.
> Running ./bin/HelloWindow
> Not an executable file: ./bin/HelloWindow

I kinda betcha dub is lying about 64 bit. Linux likes to spew 
that kind of nonsense if you run a 32 bit program on a 64 bit 
install without the 32 bit add on stuff.