mv "${WORKDIR}/WayneD-rsync"* "$S" || die

Updating non-funtoo repositories...
Sync successful and kits in alignment! :)

These are the packages that would be merged, in order:

Calculating dependencies |
Invalid ebuild name: /var/git/meta-repo/kits/java-kit/dev-java/openjdk/openjdk-11.0.22_p7.1.ebuild
... done!
[ebuild     U  ] net-misc/rsync-3.3.0::core-kit [3.2.7::core-kit] USE="acl iconv ipv6 ssl xattr -examples -libressl -lz4 -static -stunnel -system-zlib -xxhash -zstd" CPU_FLAGS_X86="sse2" 846 KiB

Total: 1 package (1 upgrade), Size of downloads: 846 KiB

Would you like to merge these packages? [Yes/No] 
>>> Verifying ebuild manifests
>>> Emerging (1 of 1) net-misc/rsync-3.3.0::core-kit
>>> Failed to emerge net-misc/rsync-3.3.0, Log file:
>>>  '/var/tmp/portage/net-misc/rsync-3.3.0/temp/build.log'
>>> Jobs: 0 of 1 complete, 1 failed                 Load avg: 0.93, 1.43, 1.61
 * Package:    net-misc/rsync-3.3.0
 * Repository: core-kit
 * USE:        acl amd64 cpu_flags_x86_sse2 elibc_glibc iconv ipv6 kernel_linux ssl userland_GNU xattr
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Using python3.9 to build
>>> Unpacking source...
>>> Unpacking rsync-3.3.0-6c8ca91.tar.gz to /var/tmp/portage/net-misc/rsync-3.3.0/work
mv: cannot stat '/var/tmp/portage/net-misc/rsync-3.3.0/work/WayneD-rsync*': No such file or directory
 * ERROR: net-misc/rsync-3.3.0::core-kit failed (unpack phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  93:  Called src_unpack
 *   environment, line 3320:  Called die
 * The specific snippet of code:
 *       mv "${WORKDIR}/WayneD-rsync"* "$S" || die
 * 
 * If you need support, post the output of `emerge --info '=net-misc/rsync-3.3.0::core-kit'`,
 * the complete build log and the output of `emerge -pqv '=net-misc/rsync-3.3.0::core-kit'`.
 * The complete build log is located at '/var/tmp/portage/net-misc/rsync-3.3.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-misc/rsync-3.3.0/temp/environment'.
 * Working directory: '/var/tmp/portage/net-misc/rsync-3.3.0/work'
 * S: '/var/tmp/portage/net-misc/rsync-3.3.0/work/rsync-3.3.0'

 * Messages for package net-misc/rsync-3.3.0:

 * ERROR: net-misc/rsync-3.3.0::core-kit failed (unpack phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  93:  Called src_unpack
 *   environment, line 3320:  Called die
 * The specific snippet of code:
 *       mv "${WORKDIR}/WayneD-rsync"* "$S" || die
 * 
 * If you need support, post the output of `emerge --info '=net-misc/rsync-3.3.0::core-kit'`,
 * the complete build log and the output of `emerge -pqv '=net-misc/rsync-3.3.0::core-kit'`.
 * The complete build log is located at '/var/tmp/portage/net-misc/rsync-3.3.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-misc/rsync-3.3.0/temp/environment'.
 * Working directory: '/var/tmp/portage/net-misc/rsync-3.3.0/work'
 * S: '/var/tmp/portage/net-misc/rsync-3.3.0/work/rsync-3.3.0'