warning: unused variable: `apps`
   --> src/main.rs:152:9
    |
152 |     let apps = config.apps.iter().collect::<Vec<_>>();
    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_apps`

warning: unused variable: `which_capability`
   --> src/main.rs:100:81
    |
100 | ...d: ConsoleCommand, which_capability: WhichCapability, git_clone_capability: GitCloneCapability) -> CommandResult<'a> {
    |                       ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_which_capability`
    |
    = note: `#[warn(unused_variables)]` on by default

warning: passing a unit value to a function
   --> src/package/management.rs:99:17
    |
99  | /                 Ok(match reference {
100 | |                     // gref is an actual reference like branches or tags
101 | |                     Some(gref) => {
102 | |                         self.git_rev = gref.target().map(|v| v.to_string());
...   |
106 | |                     None => repo.set_head_detached(object.id())?,
107 | |                 })
    | |__________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
    = note: `#[warn(clippy::unit_arg)]` on by default
help: move the expression in front of the call and replace it with the unit literal `()`
    |
99  ~                 match reference {
100 +                     // gref is an actual reference like branches or tags
101 +                     Some(gref) => {
102 +                         self.git_rev = gref.target().map(|v| v.to_string());
103 +                         repo.set_head(gref.name().unwrap())?
104 +                     }
105 +                     // this is a commit, not a reference
106 +                     None => repo.set_head_detached(object.id())?,
107 +                 };
108 +                 Ok(())
    |

warning: unused variable: `clone`
  --> src/backends/mod.rs:23:99
   |
23 | ...nfig, which: WhichCapability, clone: GitCloneCapability) -> BatchBuildResults<'a> {
   |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_clone`
   |
   = note: `#[warn(unused_variables)]` on by default

warning: unused import: `which::which`
 --> src/util/mod.rs:1:5
  |
1 | use which::which;
  |     ^^^^^^^^^^^^

warning: unused import: `which::which`
  --> src/package/mod.rs:14:5
   |
14 | use which::which;
   |     ^^^^^^^^^^^^

warning: unused import: `git2::Repository`
 --> src/package/mod.rs:7:5
  |
7 | use git2::Repository;
  |     ^^^^^^^^^^^^^^^^
  |
  = note: `#[warn(unused_imports)]` on by default