Common subdirectories: tmp1/auto and tmp2/auto
Only in tmp2: tmp.fdb_latexmk
Only in tmp2: tmp.fls
diff tmp1/tmp.log tmp2/tmp.log
4d3
<  file:line:error style messages enabled.
6,7c5,9
< **\input tmp.tex
< (./tmp.tex (/usr/share/texmf-dist/tex/latex/base/article.cls
---
> **tmp.tex
> (./tmp.tex
> LaTeX2e <2015/10/01> patch level 2
> Babel <3.9m> and hyphenation patterns for 79 languages loaded.
> (/usr/share/texmf-dist/tex/latex/base/article.cls
55,56c57
< )
< No file tmp.aux.
---
> ) (./tmp.aux)
70a72
>
132c134
< ./tmp.tex:6: Undefined control sequence.
---
> ! Undefined control sequence.
143,144c145,146
<  1452 strings out of 493054
<  20402 string characters out of 6140586
---
>  1454 strings out of 493054
>  20418 string characters out of 6140586
149c151
<  37i,1n,23p,236b,37s stack positions out of 5000i,500n,10000p,200000b,80000s
---
>  37i,1n,23p,229b,37s stack positions out of 5000i,500n,10000p,200000b,80000s