use rustc::mir::{self, Mir};
use rustc::ty::subst::Substs;
use rustc::session::config::DebugInfo;
-use base;
-use debuginfo::{self, VariableAccess, VariableKind, FunctionDebugContext};
use rustc_mir::monomorphize::Instance;
use rustc_target::abi::call::{FnType, PassMode};
-use traits::*;
+use crate::base;
+use crate::debuginfo::{self, VariableAccess, VariableKind, FunctionDebugContext};
+use crate::traits::*;
use syntax_pos::{DUMMY_SP, NO_EXPANSION, BytePos, Span};
use syntax::symbol::keywords;