How to write video from /dev/video0 to file on Raspberry PI 2?

Question

fmpeg

Good afternoon!
To record video on the computer to a file, I have always used ffmpeg and everything worked. But when I did the same on raspberries, it turned out strange.
I do:

ffmpeg -i /dev/video0  -vcodec libx264 file_name.mp4

for some reason, the video is not written on rasbperry pi 2. ffmpeg outputs the following messages to the terminal:

ffmpeg version N-79679-g6f784c1 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.9.2 (Raspbian 4.9.2-10)
  configuration: --prefix=/home/pi/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/home/pi/ffmpeg_build/include --extra-ldflags=-L/home/pi/ffmpeg_build/lib --bindir=/home/pi/bin --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-nonfree
  libavutil      55. 22.101 / 55. 22.101
  libavcodec     57. 38.100 / 57. 38.100
  libavformat    57. 34.103 / 57. 34.103
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 44.100 /  6. 44.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 287.562118, bitrate: 165722 kb/s
    Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 720x480, 165722 kb/s, 29.97 fps, 29.97 tbr, 1000k tbn
No pixel format specified, yuv422p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x1ce6320] using cpu capabilities: ARMv6 NEON
[libx264 @ 0x1ce6320] profile High 4:2:2, level 3.0, 4:2:2 8-bit
[libx264 @ 0x1ce6320] 264 - core 148 r2694 3b70645 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x1ce4ea0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
Output #0, mp4, to 'out.mp4':
  Metadata:
    encoder         : Lavf57.34.103
    Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv422p, 720x480, q=2-31, 29.97 fps, 30k tbn
    Metadata:
      encoder         : Lavc57.38.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
Press [q] to stop, [?] for help
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 1 times
frame=   18 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=2 drop=0 speed=   0x    
frame=   33 fps= 33 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=2 drop=0 speed=   0x    
frame=   47 fps= 16 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=2 drop=0 speed=   0x    
frame=   54 fps= 16 q=29.0 size=      11kB time=00:00:00.03 bitrate=2589.5kbits/s dup=2 drop=0 speed=0.00966x    
frame=   61 fps= 15 q=29.0 size=      14kB time=00:00:00.26 bitrate= 440.1kbits/s dup=2 drop=0 speed=0.0665x    
frame=   68 fps= 15 q=29.0 size=      18kB time=00:00:00.50 bitrate= 293.9kbits/s dup=2 drop=0 speed=0.11x    
frame=   74 fps= 15 q=29.0 size=      21kB time=00:00:00.70 bitrate= 248.8kbits/s dup=2 drop=0 speed=0.138x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
frame=   78 fps= 14 q=29.0 size=      24kB time=00:00:00.83 bitrate= 238.6kbits/s dup=2 drop=0 speed=0.149x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 3 times
frame=   95 fps= 14 q=29.0 size=      32kB time=00:00:01.40 bitrate= 186.8kbits/s dup=18 drop=0 speed=0.204x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 7 times
frame=  121 fps= 14 q=29.0 size=      46kB time=00:00:02.26 bitrate= 165.3kbits/s dup=43 drop=0 speed=0.256x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 19 times
frame=  174 fps= 14 q=29.0 size=      60kB time=00:00:04.03 bitrate= 122.2kbits/s dup=95 drop=0 speed=0.33x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 32 times
frame=  371 fps= 16 q=29.0 size=      88kB time=00:00:10.61 bitrate=  67.6kbits/s dup=291 drop=0 speed=0.467x    
[video4linux2,v4l2 @ 0x1ce31e0] Dequeued v4l2 buffer contains corrupted data (691200 bytes).
    Last message repeated 27 times

As a result, the recorded file turned out to be 230kb in size.
the full version of the log and the recorded file is here .
ffmpeg built according to this manual .
Thank you!