[Bug 46013] New: Regression Wavelab 6.1.1 unable to install insufficient disk space

https://bugs.winehq.org/show_bug.cgi?id=46013

Bug ID: 46013
           Summary: Regression Wavelab 6.1.1 unable to install
                    insufficient disk space
           Product: Wine
           Version: 3.18
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Wavelab 6 was able to be installed in wine 2.16 but no longer can be.

2 error messages pop up:
1/ Insufficient free disk space.
2/ Cannot prepare main package. Probably incorrect TMP/TEMP variables or there
is no execute permission for temporary folder.

There is significant available space, $ df returns:
Filesystem      1K-blocks      Used  Available Use% Mounted on
/dev/sdc2      3844123664  17652788 3631129872   1% /

Requires winetricks mfc42

Kubuntu 18.04.01