Implemented native dumping and loading of rust objects

Status Job ID Name Coverage
  Build
canceled #6001
build_test

canceled #6000
build_vm

 
  Test
canceled #6002
test:cargo:api

canceled #6004
test:cargo:compiler

canceled #6003
test:cargo:ir

canceled #6005
test:cargo:runtime

canceled #6007
testjit:binops

canceled #6008
testjit:cmpops

canceled #6009
testjit:controlflow

canceled #6010
testjit:convops

canceled #6011
testjit:double

canceled #6012
testjit:memops

canceled #6006
testjit:milestones

canceled #6013
testjit:otherops

canceled #6014
testjit:rpython

canceled #6015
testjit:som