Use .cloned() where appropriate
authormcarton <cartonmartin+git@gmail.com>
Fri, 15 Jan 2016 16:50:46 +0000 (17:50 +0100)
committermcarton <cartonmartin+git@gmail.com>
Sat, 16 Jan 2016 12:02:26 +0000 (13:02 +0100)
commitebceb9bde6e0e8f2f123e61168720d52daa53c12
tree7fb18c253b1774a8f6d9acb1668174cb084b51d3
parent3ed6f2cad80dce474532e9ab978c491ff76df604
Use .cloned() where appropriate

Fix most of Clippy’s map_clone warnings.
src/cargo/core/registry.rs
src/cargo/ops/cargo_rustc/context.rs
src/cargo/ops/resolve.rs
src/cargo/sources/path.rs
src/cargo/util/errors.rs
src/cargo/util/graph.rs