If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux pc-sasha 5.3.0-rc2-next-20190730 #94 SMP Tue Jul 30 18:02:23 EEST 2019 x86_64 GNU/Linux

GNU C               	9.1.0
GNU Make            	4.2.1
Binutils            	2.32
Util-linux          	2.34
Mount               	2.34
Module-init-tools   	26
E2fsprogs           	1.45.3
Jfsutils            	1.1.15
Reiserfsprogs       	3.6.27
Xfsprogs            	4.20.0
Pcmciautils         	018
Linux C Library     	2.29
Dynamic linker (ldd)	2.29
Linux C++ Library   	6.0.26
Procps              	3.3.15
Kbd                 	2.2.0
Console-tools       	2.2.0
Sh-utils            	8.31
Udev                	242
Modules Loaded      	bridge br_netfilter ch7006 coretemp crc_itu_t ebtables ebt_ip fuse gspca_main hwmon_vid i2c_mux iptable_nat iptable_raw it87 llc loop ltc2990 nf_log_bridge nf_log_common nf_log_ipv4 nf_log_ipv6 nf_nat nf_nat_ftp nf_nat_irc nf_nat_sip nf_tables p8022 psnap r8169 realtek sil164 snd_aloop stp ts_bm ts_fsm ts_kmp udf ulpi uvcvideo v4l2_common v4l2_dv_timings vgem videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev xt_LOG xt_mark xt_nat xt_string