remove extern crate declaration and fix outfall (macros now need to be imported into scope)

using use declarations in main.rs so that use paths don't need to be updated as well, this will be done in a later commit

src/allocator.rs

@@ -1,4 +1,5 @@
 use crate::prolog_parser_rebis::ast::*;
+use crate::prolog_parser_rebis::temp_v;
 
 use crate::fixtures::*;
 use crate::forms::*;
@@ -14,8 +15,13 @@ pub trait Allocator<'a> {
     fn mark_anon_var<Target>(&mut self, _: Level, _: GenContext, _: &mut Vec<Target>)
     where
         Target: CompilationTarget<'a>;
-    fn mark_non_var<Target>(&mut self, _: Level, _: GenContext, _: &'a Cell<RegType>, _: &mut Vec<Target>)
-    where
+    fn mark_non_var<Target>(
+        &mut self,
+        _: Level,
+        _: GenContext,
+        _: &'a Cell<RegType>,
+        _: &mut Vec<Target>,
+    ) where
         Target: CompilationTarget<'a>;
     fn mark_reserved_var<Target>(
         &mut self,
@@ -28,8 +34,14 @@ pub trait Allocator<'a> {
         _: bool,
     ) where
         Target: CompilationTarget<'a>;
-    fn mark_var<Target>(&mut self, _: Rc<Var>, _: Level, _: &'a Cell<VarReg>, _: GenContext, _: &mut Vec<Target>)
-    where
+    fn mark_var<Target>(
+        &mut self,
+        _: Rc<Var>,
+        _: Level,
+        _: &'a Cell<VarReg>,
+        _: GenContext,
+        _: &mut Vec<Target>,
+    ) where
         Target: CompilationTarget<'a>;
 
     fn reset(&mut self);
@@ -47,7 +59,7 @@ pub trait Allocator<'a> {
     fn drain_var_data(
         &mut self,
         vs: VariableFixtures<'a>,
-        num_of_chunks: usize
+        num_of_chunks: usize,
     ) -> VariableFixtures<'a> {
         let mut perm_vs = VariableFixtures::new();