Perhaps, but that cannot be concluded from the information you shared with me, the files could also be reloaded into the cache by some other program.
I would like to see a continuous log sequence containing the cleaned mount closing and the new mount starting and the following 2 minutes, something like this (in a single gist):
...
2022/11/06 09:44:17 INFO : vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
The service rclone has been stopped.
2022/11/06 09:45:31 DEBUG : Encrypted drive 'archiveenc:': Destroy:
2022/11/06 09:45:31 DEBUG : Encrypted drive 'archiveenc:': >Destroy:
2022/11/06 09:45:31 DEBUG : Not calling host.Unmount as mount already Destroyed
2022/11/06 09:45:31 DEBUG : Unmounted successfully
2022/11/06 09:45:31 DEBUG : vfs cache: cleaner exiting
2022/11/06 09:45:31 ERROR : X:: Unmounted rclone mount
2022/11/06 09:45:31 DEBUG : rclone: Version "v1.60.0" finishing with parameters ["C:\\Tools\\rclone\\rclone.exe" "mount" "archiveenc:" "X:" "-vv" "--vfs-cache-mode" "full" "--cache-dir" "Z:\\rclone" "--vfs-cache-max-age=1m"]
2022/11/06 09:45:34 DEBUG : rclone: Version "v1.60.0" starting with parameters ["C:\\Tools\\rclone\\rclone.exe" "mount" "archiveenc:" "X:" "-vv" "--vfs-cache-mode" "full" "--cache-dir" "Z:\\rclone" "--vfs-cache-max-age=1m"]
2022/11/06 09:45:34 DEBUG : Creating backend with remote "archiveenc:"
2022/11/06 09:45:34 DEBUG : Using config file from "C:\\Users\\Johnny\\.config\\rclone\\rclone.conf"
2022/11/06 09:45:34 DEBUG : Creating backend with remote "archive:Encrypted"
2022/11/06 09:45:35 DEBUG : Google drive root 'Encrypted': 'root_folder_id = 0ADu6Yc36eQosUk9PVA' - save this in the config to speed up startup
2022/11/06 09:45:35 DEBUG : vfs cache: root is "Z:\\rclone"
2022/11/06 09:45:35 DEBUG : vfs cache: data root is "\\\\?\\Z:\\rclone\\vfs\\archiveenc"
2022/11/06 09:45:35 DEBUG : vfs cache: metadata root is "\\\\?\\Z:\\rclone\\vfsMeta\\archiveenc"
2022/11/06 09:45:35 DEBUG : Creating backend with remote "Z:/rclone/vfs/archiveenc/"
2022/11/06 09:45:35 DEBUG : fs cache: renaming cache item "Z:/rclone/vfs/archiveenc/" to be canonical "//?/Z:/rclone/vfs/archiveenc/"
2022/11/06 09:45:35 DEBUG : Creating backend with remote "Z:/rclone/vfsMeta/archiveenc/"
2022/11/06 09:45:35 DEBUG : fs cache: renaming cache item "Z:/rclone/vfsMeta/archiveenc/" to be canonical "//?/Z:/rclone/vfsMeta/archiveenc/"
2022/11/06 09:45:35 DEBUG : Network mode mounting is disabled
2022/11/06 09:45:35 DEBUG : Mounting on "X:" ("archiveenc")
2022/11/06 09:45:35 DEBUG : vfs cache RemoveNotInUse (maxAge=60000000000, emptyOnly=false): item Synced/Roms Cloned/Nintendo Switch/to be finished/to be finished/Bloodstained Ritual of the Night - [010025A00DF2A000]/血咒之城‛‛‛：暗夜儀式 [010025A00DF2A800][v589824].nsz not removed, freed 0 bytes
2022/11/06 09:45:35 DEBUG : vfs cache RemoveNotInUse (maxAge=60000000000, emptyOnly=false): item Synced/Roms Cloned/Nintendo Switch/to be finished/to be finished/Fit Boxing 2 - Rhythm & Exercise - - [0100060011108000]/Fit Boxing 2 -リズム＆エクササイズ- [鬼モード‛‛‛：ベルナルド] [0100060011109005][v0].nsz not removed, freed 0 bytes
...
2022/11/06 09:45:35 INFO : vfs cache: cleaned: objects 162 (was 162) in use 0, to upload 0, uploading 0, total size 0 (was 0)
...
2022/11/06 09:46:35 INFO : vfs cache: cleaned: objects 0 (was 162) in use 0, to upload 0, uploading 0, total size 0 (was 0)
...
2022/11/06 09:47:35 INFO : vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)