Route mk_graph stable_mir imports through compat module

Author: cds-amal

src/mk_graph/context.rs

@@ -2,7 +2,7 @@
 
 use std::collections::HashMap;
 
-extern crate stable_mir;
+use crate::compat::stable_mir;
 use stable_mir::mir::{
     BorrowKind, ConstOperand, Mutability, NonDivergingIntrinsic, Operand, Rvalue, Statement,
     StatementKind, Terminator, TerminatorKind,

src/mk_graph/index.rs

@@ -2,7 +2,7 @@
 
 use std::collections::HashMap;
 
-extern crate stable_mir;
+use crate::compat::stable_mir;
 use stable_mir::abi::{FieldsShape, LayoutShape};
 use stable_mir::mir::alloc::GlobalAlloc;
 use stable_mir::ty::{IndexedVal, Ty};

src/mk_graph/output/d2.rs

@@ -1,6 +1,6 @@
 //! D2 diagram format output for MIR graphs.
 
-extern crate stable_mir;
+use crate::compat::stable_mir;
 use stable_mir::mir::TerminatorKind;
 
 use crate::printer::SmirJson;

src/mk_graph/output/dot.rs

@@ -4,7 +4,7 @@ use std::collections::HashSet;
 
 use dot_writer::{Attributes, Color, DotWriter, Scope, Shape, Style};
 
-extern crate stable_mir;
+use crate::compat::stable_mir;
 use stable_mir::mir::{BasicBlock, ConstOperand, Operand, TerminatorKind, UnwindAction};
 
 use crate::printer::SmirJson;

src/mk_graph/util.rs

@@ -2,7 +2,7 @@
 
 use std::hash::{DefaultHasher, Hash, Hasher};
 
-extern crate stable_mir;
+use crate::compat::stable_mir;
 use stable_mir::mir::{
     AggregateKind, BorrowKind, ConstOperand, Mutability, NonDivergingIntrinsic, NullOp, Operand,
     Place, ProjectionElem, Rvalue, Terminator, TerminatorKind, UnwindAction,