documentclass[oneside,article]{memoir}
usepackage{listings}
usepackage[lining]{ebgaramond}
usepackage[cmintegrals,cmbraces]{newtxmath}
usepackage{ebgaramond-maths}
usepackage{fontspec}
usepackage{color}

lstnewenvironment{Rlisting} {
  vskip 1baselineskip
  noindent
  checkoddpage%
  ifoddpage%
     hspace*{-3em}%
  else%
     hspace*{-3em}%
  fi%
  begin{minipage}{1textwidth + 6em}
  lstset{ language=R,
           basicstyle=footnotesizettfamily,
           frame=single,
           breaklines=true,
           postbreak=mbox{textcolor{red}{$hookrightarrow$}space},
         }
} {
    end{minipage}
    vskip 1baselineskip
}

begin{document}
begin{Rlisting}
> library(xlsx)
Loading required package: rJava
Loading required package: xlsxjars
end{Rlisting}

end{document}

$ latexmk -pdf -pvc -lualatex test.tex
Latexmk: This is Latexmk, John Collins, 19 Jan. 2017, version: 4.52c.
Viewing pdf
Latexmk: applying rule 'lualatex'...
Rule 'lualatex': File changes, etc:
   Non-existent destination files:
      'test.pdf'
------------
Run number 1 of rule 'lualatex'
------------
------------
Running 'lualatex  -recorder  "test.tex"'
------------
This is LuaTeX, Version 1.0.4 (TeX Live 2017)

[...]

LaTeX Font Warning: Font shape `OT1/cmr/m/n' in size <5.5> not available
(Font)              size <5> substituted on input line 32.

(load luc: /Users/jonathan/Library/texlive/2017/texmf-var/luatex-cache/generic/
fonts/otl/lmmonolt10-bold.luc))
*