Turris-diagnostics script cant create directory

The dir exists

root@hlogw:/srv# ls
backups                    custom_scripts             dev-detect                 diag_wifi_crash            git                        mnt                        padajici_net.log           petr                       switch2hbs-sdio_dbg.log    zaloha_etc
collectd-rrd               debug_dhcp                 diag.gz                    diag_wifi_crash.preparing  log                        morce-alerts.sqlite        pakon                      reate                      temp100pct.txt

but diag program doing some nasty things

root@hlogw:/srv# turris-diagnostics -O ./debug_dhcp
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/05_system-info.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/05_system-info.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/15_ntp.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/15_ntp.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/18_firmware.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/18_firmware.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/20_lshw.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/20_lshw.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/25_filesystems.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/25_filesystems.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/30_services.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/30_services.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/35_processes.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/35_processes.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/40_network.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/40_network.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/45_dns.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/45_dns.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/48_sockets.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/48_sockets.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/50_firewall.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/50_firewall.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/55_cron.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/55_cron.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/60_packages.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/60_packages.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/65_openvpn.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/65_openvpn.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/70_turris-webs.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/70_turris-webs.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/72_reforis.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/72_reforis.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/75_notification.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/75_notification.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/80_certgen.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/80_certgen.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/85_sentinel.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/85_sentinel.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/86_haas.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/86_haas.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/95_messages.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/95_messages.module.out.preparing': No such file or directory
/usr/share/diagnostics/diagnostics.sh: line 70: can't create ./debug_dhcp.preparing/./modules/97_dmesg.module.out.preparing: nonexistent directory
mv: can't rename './debug_dhcp.preparing/./modules/97_dmesg.module.out.preparing': No such file or directory