make: Warning: File `Makefile' has modification time 1.7e+04 s in the future
make -C /lib/modules/4.4.0-142-generic/build M=/home/user/kernrk modules
make[1]: Entering directory `/usr/src/linux-headers-4.4.0-142-generic'
./scripts/Makefile.build:290: target `/home/user/kernrk/kernrk.c' doesn't match the target pattern
make[2]: Warning: File `/home/user/kernrk/Makefile' has modification time 1.7e+04 s in the future
make[2]: warning: Clock skew detected. Your build may be incomplete.
Building modules, stage 2.
make[2]: Warning: File `/home/user/kernrk/Makefile' has modification time 1.7e+04 s in the future
MODPOST 0 modules
make[2]: warning: Clock skew detected. Your build may be incomplete.
make[1]: Leaving directory `/usr/src/linux-headers-4.4.0-142-generic'
make: warning: Clock skew detected. Your build may be incomplete.
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"text\/x-go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"mysql","xml":"xml","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","ecmascript":"javascript","groovy":"text\/x-groovy","haskell":"text\/x-haskell","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mysql":"mysql","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"plsql","properties":"text\/x-properties","scheme":"text\/x-scheme","vb":"text\/vbscript","vbnet":"text\/vbscript","verilog":"text\/x-verilog","yaml":"text\/x-yaml"}