[Moto G Android Development] murderered:
Is the installation currently broken? Or am i doing something wrong? Formatted system as ext4, wiped all caches, data and accidently also the user data (having a backup, so no problem).

Formatting system using make_ext4fs function.
Creating filesystem with parameters:
Size: 880803840
Block size: 4096
Blocks per group: 32768
Inodes per group: 7680
Inode size: 256
Journal blocks: 3360
Label:
Blocks: 215040
Block groups: 7
Reserved block group size: 55
Created filesystem with 11/53760 inodes and 6965/215040 blocks
warning: wipe_block_device: Wipe via secure discard suppressed due to bug in EMMC firmware

Updating partition details...
I:Data backup size is 0MB, free: 12611MB.
I:Unable to mount '/usb-otg'
I:Actual block device: '', current file system: 'vfat'
I:Set page: 'action_complete'
I:Set page: 'clear_vars'
I:Set page: 'refreshfilesystem'
I:getpartitiondetails list '/system;'
I:getpartitiondetails wipe_path '/system'
I:Set page: 'selectfilesystem'
I:Set page: 'partitionoptions'
I:Set page: 'advancedwipe'
I:Set page: 'action_page'
I:wipe list 'DALVIK;/data;/cache;'
I:wipe_path 'DALVIK'

Wiping Dalvik Cache Directories...
-- Dalvik Cache Directories Wipe Complete!

I:wipe_path '/data'
Wiping data without wiping /data/media ...
Done.
I:wipe_path '/cache'
Formatting cache using make_ext4fs function.
Creating filesystem with parameters:
Size: 587202560
Block size: 4096
Blocks per group: 32768
Inodes per group: 7168
Inode size: 256
Journal blocks: 2240
Label:
Blocks: 143360
Block groups: 5
Reserved block group size: 39
Created filesystem with 11/35840 inodes and 4616/143360 blocks
warning: wipe_block_device: Wipe via secure discard suppressed due to bug in EMMC firmware

I:Recreating /cache/recovery folder.
I:Copying file /etc/recovery.fstab to /cache/recovery/recovery.fstab
I:Version number saved to '/cache/recovery/.version'
Updating partition details...
I:Data backup size is 0MB, free: 12611MB.
I:Unable to mount '/usb-otg'
I:Actual block device: '', current file system: 'vfat'
I:Set page: 'action_complete'
I:Set page: 'clear_vars'
I:Set page: 'advancedwipe'
I:Set page: 'wipe'
I:Set page: 'main'
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Set page: 'mount'
I:Set page: 'main'
I:Set page: 'clear_vars'
I:Set page: 'main2'
I:Set page: 'advanced'
I:Set page: 'sideload'
I:Set page: 'action_page'
Starting ADB sideload feature...
BOARD_HAS_NO_REAL_SDCARD := true
RECOVERY_SDCARD_ON_DATA := true
TW_NO_USB_STORAGE := true
I:TW_BRIGHTNESS_PATH := /sys/devices/fd900000.qcom,mdss_mdp/qcom,mdss_fb_primary.148/leds/lcd-backlight/brightness
I:Found brightness file at '/sys/devices/fd900000.qcom,mdss_mdp/qcom,mdss_fb_primary.148/leds/lcd-backlight/brightness'
I:TWFunc::Set_Brightness: Setting brightness control to 255
Starting to open usb_init()
unix_open to open usb_init(): -1
sideload_service invoked
adbd exiting after successful sideload
Restarting adbd...
Installing '/data/media/0/sideload.zip'...
Checking for MD5 file...
Skipping MD5 check: no MD5 file found
I:Zip contains SELinux file_contexts file in its root. Extracting to /file_contexts
I:Legacy property environment initialized.
about to run program [/tmp/backuptool.sh] with 2 args
grep: /system/build.prop: No such file or directory
Not backing up files from incompatible version: 12
run_program: child exited with status 127
about to run program [/tmp/otasigcheck.sh] with 1 args
erasing 249856 blocks
blkdiscard failed: Invalid argument
writing 109461 blocks of new data
lseek64 failed: Invalid argument
I:TWFunc::Set_Brightness: Setting brightness control to 5
I:Legacy property environment disabled.
E:Error executing updater binary in zip '/data/media/0/sideload.zip'

TWRP 2.8.1.0; Donkey Kernel 3alpha3; Coming from GPE 4.4.4

Thanks in advance!