two 2.0-specific fixes

compiler/sempass2.nim

@@ -1059,8 +1059,7 @@ proc track(tracked: PEffects, n: PNode) =
       # bug #15038: ensure consistency
       if n.typ == nil or (not hasDestructor(n.typ) and sameType(n.typ, n.sym.typ)): n.typ = n.sym.typ
   of nkHiddenAddr, nkAddr:
-    if n[0].kind == nkSym and isLocalSym(tracked, n[0].sym) and
-          n.typ.kind notin {tyVar, tyLent}:
+    if n[0].kind == nkSym and isLocalSym(tracked, n[0].sym):
       useVarNoInitCheck(tracked, n[0], n[0].sym)
     else:
       track(tracked, n[0])

testament/important_packages.nim

@@ -60,7 +60,6 @@ pkg "confutils", "nimble install -y toml_serialization json_serialization unitte
 pkg "constantine", "nimble make_lib"
 pkg "criterion"
 pkg "dashing", "nim c tests/functional.nim"
-pkg "datamancer", url = "https://github.com/nim-lang/Datamancer"
 pkg "delaunay"
 pkg "docopt"
 pkg "dotenv"