oops

Author: Eh2406

src/cargo/core/resolver/types.rs

@@ -1,5 +1,6 @@
 use std::cmp::Ordering;
 use std::collections::{HashMap, HashSet};
+use std::env;
 use std::ops::Range;
 use std::rc::Rc;
 use std::time::{Duration, Instant};