Merge topic 'misc-cleanups'

953dd623 cargo: update minimum versions
13f63880 rustfmt: remove year from the copyright header
888162f7 doc: add a comment about the non_exhaustive feature
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !69

.license.template

-// Copyright {\d+} Kitware, Inc.
-//
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your

Cargo.toml

@@ -16,9 +16,9 @@ keywords = ["git", "utility"]
 itertools = "~0.7"
 
 [dependencies]
-lazy_static = "^1.0"
+lazy_static = "^1.1"
 log = "~0.4"
 regex = "^1.0"
-tempdir = "~0.3"
+tempdir = "~0.3.6"
 
-chrono = "~0.4"
+chrono = "~0.4.1"

src/git.rs

-// Copyright 2016 Kitware, Inc.
-//
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
@@ -21,6 +19,9 @@ use prepare::{GitWorkArea, WorkAreaResult};
 pub struct CommitId(String);
 
 /// Errors which may occur when working with workareas.
+///
+/// This enum is `non_exhaustive`, but cannot be marked as such until it is stable. In the
+/// meantime, there is a hidden variant.
 #[derive(Debug)]
 // TODO: #[non_exhaustive]
 pub enum GitError {

src/lib.rs

-// Copyright 2016 Kitware, Inc.
-//
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your

src/prepare.rs

-// Copyright 2016 Kitware, Inc.
-//
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
@@ -42,6 +40,9 @@ pub enum SubmoduleIntent {
 }
 
 /// Errors which may occur when using a workarea.
+///
+/// This enum is `non_exhaustive`, but cannot be marked as such until it is stable. In the
+/// meantime, there is a hidden variant.
 #[derive(Debug)]
 // TODO: #[non_exhaustive]
 pub enum WorkAreaError {

src/test.rs

-// Copyright 2016 Kitware, Inc.
-//
 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your