ArchangeGabriel [1] filed a deletion request for fstrm [2]:
https://www.archlinux.org/packages/community/x86_64/fstrm/
[1] https://aur.archlinux.org/account/ArchangeGabriel/ [2] https://aur.archlinux.org/pkgbase/fstrm/
Request #9657 has been accepted by Muflone [1].
aur-requests@lists.archlinux.org