After Qt it seems finished correctly:
mimesetting files for package qt5_source_rigged-5.15.2-5-riscv64.hpkg ...
creating package qt5_source_rigged-5.15.2-5-riscv64.hpkg ...
----- Package Info ----------------
header size: 80
heap size: 336290260
TOC size: 9359706
package attributes size: 5313
total size: 336290340
-----------------------------------
grabbing qt5_source-5.15.2-5-source.hpkg and moving it to /home/user/Packages/haiku/generated.riscv64-bootstrap/objects/haiku/riscv64/packaging/repositories/HaikuPorts-sources-build/packages/qt5_source-5.15.2-5-source.hpkg
grabbing qt5_source_rigged-5.15.2-5-riscv64.hpkg and moving it to /home/user/Packages/haiku/generated.riscv64-bootstrap/objects/haiku/riscv64/packaging/repositories/HaikuPorts-sources-build/packages/qt5_source_rigged-5.15.2-5-riscv64.hpkg
----------------------------------------------------------------------
meta-ports::meta_portsfile-1
/home/user/Packages/haiku/generated.riscv64-bootstrap/../../haikuports/meta-ports/meta_portsfile/meta_portsfile-1.recipe
----------------------------------------------------------------------
non-chroot has these packages active:
Setting up sysroot for non-chroot build: /home/user/Packages/haiku/generated.riscv64-bootstrap/objects/haiku/riscv64/packaging/repositories/HaikuPorts-sources-build/meta-ports/meta_portsfile/work-1/boot/cross-sysroot/riscv64
Activating haiku_cross_devel_sysroot package: /home/user/Packages/haiku/generated.riscv64-bootstrap/objects/haiku/riscv64/packaging/packages/haiku_cross_devel_sysroot_stage1_riscv64.hpkg
AddDirectoryToContainerCopyFilesScript <HaikuImage>home/haikuports/input-source-packages/-/<HaikuPorts-repository-source-packages>packages
MkDir1 objects/haiku/riscv64/packaging/repositories/HaikuPorts-bootstrap
BuildHaikuPortsRepositoryConfig1 objects/haiku/riscv64/packaging/repositories/HaikuPorts-bootstrap/haikuports.conf
AppendToContainerCopyFilesScript <HaikuImage>haiku.image-copy-files-dummy-home/haikuports
AppendToContainerCopyFilesScript <HaikuImage>haiku.image-copy-files-dummy-home/config/settings/boot/launch
InitScript1 haiku.image-extract-files
warning: using independent target <HaikuImage>/home/user/Packages/haiku/generated.riscv64-bootstrap/./haiku.image-init-vars
warning: using independent target <HaikuImage>/home/user/Packages/haiku/generated.riscv64-bootstrap/./haiku.image-make-dirs
warning: using independent target <HaikuImage>/home/user/Packages/haiku/generated.riscv64-bootstrap/./haiku.image-copy-files
warning: using independent target <HaikuImage>/home/user/Packages/haiku/generated.riscv64-bootstrap/./haiku.image-extract-files
BuildHaikuImage1 haiku-bootstrap.image
Creating image ...
Creating filesystem indices...
Populating image ...
Unmounting ...
...updated 549 target(s)...
user@localhost:~/Packages/haiku/generated.riscv64-bootstrap>