[One (M7) Q&A, Help & Troubleshooting] TruculentFTW:
Here is all of it! I tried again and same happening.

C:\Phone>fastboot oem rebootRUU

... (bootloader) Start Verify: 3

OKAY

Execution time is 39(ms)

C:\Phone>fastboot flash zip RUU.zip

sending 'zip'... (45421 KB) OKAY

sending time = 2.434 secs

writing 'zip'... (bootloader) adopting the signature contained in this image...

(bootloader) signature checking...

(bootloader) rom parsing start ...

(bootloader) rom parsing finish ...

(bootloader) zip header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

(bootloader) start image[hboot] unzipping for pre-update check...

(bootloader) start image[hboot] unzipping & flushing...

(bootloader) [RUU]UZ,hboot,0

(bootloader) [RUU]UZ,hboot,50

(bootloader) [RUU]UZ,hboot,100

(bootloader) signature checking...

(bootloader) [RUU]WP,hboot,0

(bootloader) [RUU]WP,hboot,99

(bootloader) [RUU]WP,hboot,100

(bootloader) ...... Successful

(bootloader) start image[sp1] unzipping & flushing...

(bootloader) [RUU]UZ,sp1,0

(bootloader) [RUU]UZ,sp1,99

(bootloader) [RUU]UZ,sp1,100

(bootloader) [RUU]WP,sp1,0

(bootloader) [RUU]WP,sp1,100

(bootloader) ...... Successful

(bootloader) start image[sbl2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl2,0

(bootloader) [RUU]UZ,sbl2,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[sbl3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl3,0

(bootloader) [RUU]UZ,sbl3,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[tz] unzipping & flushing...

(bootloader) [RUU]UZ,tz,0

(bootloader) [RUU]UZ,tz,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[rpm] unzipping & flushing...

(bootloader) [RUU]UZ,rpm,0

(bootloader) [RUU]UZ,rpm,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[adsp] unzipping & flushing...

(bootloader) [RUU]UZ,adsp,0

(bootloader) [RUU]UZ,adsp,16

(bootloader) [RUU]UZ,adsp,26

(bootloader) [RUU]UZ,adsp,37

(bootloader) [RUU]UZ,adsp,49

(bootloader) [RUU]UZ,adsp,60

(bootloader) [RUU]UZ,adsp,71

(bootloader) [RUU]UZ,adsp,82

(bootloader) [RUU]UZ,adsp,94

(bootloader) [RUU]UZ,adsp,100

(bootloader) [RUU]WP,adsp,0

(bootloader) [RUU]WP,adsp,100

(bootloader) ...... Successful

(bootloader) start image[pg2fs_spcustom] unzipping & flushing...

(bootloader) [RUU]UZ,pg2fs_spcustom,0

(bootloader) [RUU]UZ,pg2fs_spcustom,38

(bootloader) [RUU]UZ,pg2fs_spcustom,99

(bootloader) [RUU]UZ,pg2fs_spcustom,100

(bootloader) ...... Successful

(bootloader) start image[wcnss] unzipping & flushing...

(bootloader) [RUU]UZ,wcnss,0

(bootloader) [RUU]UZ,wcnss,45

(bootloader) [RUU]UZ,wcnss,88

(bootloader) [RUU]UZ,wcnss,100

(bootloader) [RUU]WP,wcnss,0

(bootloader) [RUU]WP,wcnss,100

(bootloader) ...... Successful

(bootloader) start image[tp] unzipping & flushing...

(bootloader) [RUU]UZ,tp,0

(bootloader) [RUU]UZ,tp,100

(bootloader) ...... Successful

(bootloader) start image[sbl1-1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-1,0

(bootloader) [RUU]UZ,sbl1-1,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-2,0

(bootloader) [RUU]UZ,sbl1-2,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-3,0

(bootloader) [RUU]UZ,sbl1-3,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[sbl1-4] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-4,0

(bootloader) [RUU]UZ,sbl1-4,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[qsc] unzipping & flushing...

(bootloader) [RUU]UZ,qsc,0

(bootloader) [RUU]UZ,qsc,10

(bootloader) [RUU]UZ,qsc,20

(bootloader) [RUU]UZ,qsc,30

(bootloader) [RUU]UZ,qsc,41

(bootloader) [RUU]UZ,qsc,51

(bootloader) [RUU]UZ,qsc,63

(bootloader) [RUU]UZ,qsc,74

(bootloader) [RUU]UZ,qsc,84

(bootloader) [RUU]UZ,qsc,94

(bootloader) [RUU]UZ,qsc,100

(bootloader) [RUU]WP,qsc,0

(bootloader) [RUU]WP,qsc,10

(bootloader) [RUU]WP,qsc,20

(bootloader) [RUU]WP,qsc,30

(bootloader) [RUU]WP,qsc,40

(bootloader) [RUU]WP,qsc,50

(bootloader) [RUU]WP,qsc,61

(bootloader) [RUU]WP,qsc,71

(bootloader) [RUU]WP,qsc,81

(bootloader) [RUU]WP,qsc,91

(bootloader) [RUU]WP,qsc,100

(bootloader) ...... Successful

(bootloader) start image[sbl1-5] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-5,0

(bootloader) [RUU]UZ,sbl1-5,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[recovery] unzipping & flushing...

(bootloader) [RUU]UZ,recovery,0

(bootloader) [RUU]UZ,recovery,7

(bootloader) [RUU]UZ,recovery,13

(bootloader) [RUU]UZ,recovery,20

(bootloader) [RUU]UZ,recovery,27

(bootloader) [RUU]UZ,recovery,33

(bootloader) [RUU]UZ,recovery,51

(bootloader) [RUU]UZ,recovery,56

(bootloader) [RUU]UZ,recovery,62

(bootloader) [RUU]UZ,recovery,68

(bootloader) [RUU]UZ,recovery,75

(bootloader) [RUU]UZ,recovery,82

(bootloader) [RUU]UZ,recovery,89

(bootloader) [RUU]UZ,recovery,96

(bootloader) [RUU]UZ,recovery,100

(bootloader) [RUU]WP,recovery,0

(bootloader) [RUU]WP,recovery,99

(bootloader) [RUU]WP,recovery,100

(bootloader) ...... Successful

(bootloader) start image[radio] unzipping & flushing...

(bootloader) [RUU]UZ,radio,0

(bootloader) [RUU]UZ,radio,8

(bootloader) [RUU]UZ,radio,16

(bootloader) [RUU]UZ,radio,24

(bootloader) [RUU]UZ,radio,32

(bootloader) [RUU]UZ,radio,40

(bootloader) [RUU]UZ,radio,48

(bootloader) [RUU]UZ,radio,56

(bootloader) [RUU]UZ,radio,64

(bootloader) [RUU]UZ,radio,72

(bootloader) [RUU]UZ,radio,80

(bootloader) [RUU]UZ,radio,88

(bootloader) [RUU]UZ,radio,96

(bootloader) [RUU]UZ,radio,100

(bootloader) [RUU]WP,radio,0

(bootloader) [RUU]WP,radio,32

(bootloader) [RUU]WP,radio,64

(bootloader) [RUU]WP,radio,96

(bootloader) [RUU]WP,radio,100

(bootloader) ...... Successful

(bootloader) start image[rcdata] unzipping & flushing...

(bootloader) [RUU]UZ,rcdata,0

(bootloader) [RUU]UZ,rcdata,42949671

(bootloader) [RUU]WP,rcdata,0

(bootloader) [RUU]WP,rcdata,42949671

(bootloader) ...... Successful

OKAY

sending 'zip'... (513003 KB) OKAY

sending time = 18.029 secs

writing 'zip'... (bootloader) adopting the signature contained in this image...

(bootloader) signature checking...

(bootloader) rom parsing start ...

(bootloader) rom parsing finish ...

(bootloader) zip header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

(bootloader) start image[system] unzipping & flushing...

(bootloader) [RUU]UZ,system,0

(bootloader) [RUU]UZ,system,7

(bootloader) [RUU]UZ,system,16

(bootloader) [RUU]UZ,system,24

(bootloader) [RUU]UZ,system,31

(bootloader) [RUU]UZ,system,39

(bootloader) [RUU]UZ,system,48

(bootloader) [RUU]UZ,system,55

(bootloader) [RUU]UZ,system,63

(bootloader) [RUU]UZ,system,72

(bootloader) [RUU]UZ,system,79

(bootloader) [RUU]UZ,system,87

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]WP,system,0

(bootloader) [RUU]WP,system,7

(bootloader) [RUU]WP,system,15

(bootloader) [RUU]WP,system,24

(bootloader) [RUU]WP,system,31

(bootloader) [RUU]WP,system,39

(bootloader) [RUU]WP,system,48

(bootloader) [RUU]WP,system,55

(bootloader) [RUU]WP,system,63

(bootloader) [RUU]WP,system,72

(bootloader) [RUU]WP,system,79

(bootloader) [RUU]WP,system,87

(bootloader) [RUU]WP,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,100

(bootloader) [RUU]WP,system,96

(bootloader) [RUU]WP,system,98

(bootloader) [RUU]WP,system,100

(bootloader) ...... Successful

OKAY

sending 'zip'... (612652 KB) OKAY

sending time = 21.336 secs

writing 'zip'... (bootloader) adopting the signature contained in this image...

(bootloader) signature checking...

FAIL12 signature verify fail

FAILED (remote: 12 signature verify fail)

Execution time is 491(s)

C:\Phone>fastboot reboot-bootloader

rebooting into bootloader... OKAY

Execution time is 43(ms)

C:\Phone>