VSCode launcher for rust using lldb

launch.json

{
 "version": "0.2.0",
 "configurations": [
  {
   "name": "Debug-LLDB",
   "type": "lldb",
   "request": "launch",
   "program": "${workspaceRoot}/target/debug/${workspaceRootFolderName}",
   "args": [],
   "cwd": "${workspaceRoot}",
   "sourceLanguages": ["rust"],
   "sourceMap":{
    "/checkout/src/" : "${env:HOME}/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/"
   }
  },
  {
   "name": "Debug-GDB",
   "type": "gdb",
   "request": "launch",
   "cwd": "${workspaceRoot}",
   "target": "${workspaceRoot}/target/debug/${workspaceRootFolderName}",
   "printCalls": true,
   "autorun": [
    "set substitute-path /checkout ${env:HOME}/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust"
   ]
  }
 ]
}