servo build error

gistfile1.txt

string_map.rs:43:33: 43:45 error: mismatched types: expected `&str`, found `&&str` (expected str, found &-ptr)
string_map.rs:43                     (*v).insert(&(k.clone()), csv);
                                                 ^~~~~~~~~~~~
string_map.rs:58:34: 58:40 error: cannot infer an appropriate lifetime for automatic coercion due to conflicting requirements
string_map.rs:58             match str::from_utf8(result) {
                                                  ^~~~~~
string_map.rs:60:38: 60:39 note: first, the lifetime cannot outlive the expression at 60:37...
string_map.rs:60                     match (*v).find(&k) {
                                                      ^
string_map.rs:60:38: 60:39 note: ...so type `&str` of expression is valid during the expression
string_map.rs:60                     match (*v).find(&k) {
                                                      ^
string_map.rs:58:34: 58:40 note: but, the lifetime must be valid for the expression at 58:33...
string_map.rs:58             match str::from_utf8(result) {
                                                  ^~~~~~
string_map.rs:58:34: 58:40 note: ...so that auto-reference is valid at the time of borrow
string_map.rs:58             match str::from_utf8(result) {
                                                  ^~~~~~
error: aborting due to 2 previous errors
Could not compile `embedding`.