gistfile1.txt

error[E0463]: can't find crate for `core`
  |
  = note: the `i686-unknown-linux-gnu` target may not be installed
  = help: consider downloading the target with `rustup target add i686-unknown-linux-gnu`

For more information about this error, try `rustc --explain E0463`.
error: could not compile `smallvec` (lib) due to 1 previous error
warning: build failed, waiting for other jobs to finish...
error: could not compile `cfg-if` (lib) due to 1 previous error