MarsSeed [1] filed a deletion request for ros-melodic-rqt-joint- trajectory-controller [2]:
Dead, EOL package from 2021, missing already deleted transitive dependencies. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/ros-melodic-rqt-joint-trajectory-controller/
