warning: called `.as_ref().map(|g| g.as_slice())` on an Option value. This can be done more directly by calling `groups.as_deref()` instead
   --> src/sr/main.rs:337:35
    |
337 |     capctl::cap_set_ids(uid, gid, groups.as_ref().map(|g| g.as_slice()))
    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `groups.as_deref()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_as_ref_deref
    = note: `#[warn(clippy::option_as_ref_deref)]` on by default

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> src/sr/main.rs:310:25
    |
310 |         User::from_name(&u)
    |                         ^^ help: change this to: `u`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
    = note: `#[warn(clippy::needless_borrow)]` on by default

warning: stripping a prefix manually
  --> src/sr/main.rs:80:9
   |
80 |         &tzval[1..]
   |         ^^^^^^^^^^^
   |
note: the prefix was tested here
  --> src/sr/main.rs:79:17
   |
79 |     let tzval = if tzval.starts_with(':') {
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip
   = note: `#[warn(clippy::manual_strip)]` on by default
help: try using the `strip_prefix` method
   |
79 ~     let tzval = if let Some(<stripped>) = tzval.strip_prefix(':') {
80 ~         <stripped>
   |

warning: useless conversion to the same type: `sxd_document::dom::Element<'_>`
   --> src/chsr/../config/mod.rs:131:15
    |
131 |             f(element.into())?;
    |               ^^^^^^^^^^^^^^ help: consider removing `.into()`: `element`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
    = note: `#[warn(clippy::useless_conversion)]` on by default

warning: name `PPID` contains a capitalized acronym
  --> src/sr/timeout.rs:58:5
   |
58 |     PPID(pid_t),
   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Ppid`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms

warning: name `TTY` contains a capitalized acronym
  --> src/sr/timeout.rs:57:5
   |
57 |     TTY(dev_t),
   |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Tty`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms

warning: name `PPID` contains a capitalized acronym
  --> src/sr/timeout.rs:29:5
   |
29 |     PPID,
   |     ^^^^ help: consider making the acronym lowercase, except the initial letter: `Ppid`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms

warning: name `TTY` contains a capitalized acronym
  --> src/sr/timeout.rs:27:5
   |
27 |     TTY,
   |     ^^^ help: consider making the acronym lowercase, except the initial letter: `Tty`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
   = note: `#[warn(clippy::upper_case_acronyms)]` on by default

warning: very complex type used. Consider factoring parts into `type` definitions
  --> src/chsr/../config/version.rs:16:11
   |
16 |     down: fn(&Self, &Document) -> Result<(), Box<dyn Error>>,
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity

warning: very complex type used. Consider factoring parts into `type` definitions
  --> src/chsr/../config/version.rs:15:9
   |
15 |     up: fn(&Self, &Document) -> Result<(), Box<dyn Error>>,
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
   = note: `#[warn(clippy::type_complexity)]` on by default

warning: using `clone` on type `CapSet` which implements the `Copy` trait
   --> src/chsr/../config/structs.rs:413:13
    |
413 |             self.denied_caps.as_ref().unwrap().clone()
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.denied_caps.as_ref().unwrap()`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
    = note: `#[warn(clippy::clone_on_copy)]` on by default

warning: `if` chain can be rewritten with `match`
   --> src/sr/finder.rs:624:9
    |
624 | /         if nmatch == 1 {
625 | |             Ok(min_task)
626 | |         } else if nmatch > 1 {
627 | |             Err(MatchError::Conflict)
628 | |         } else {
629 | |             Err(MatchError::NoMatch)
630 | |         }
    | |_________^
    |
    = help: consider rewriting the `if` chain to use `cmp` and `match`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_chain
    = note: `#[warn(clippy::comparison_chain)]` on by default

warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
   --> src/chsr/../config/structs.rs:345:21
    |
345 | /                     match nix::unistd::Group::from_name(group) {
346 | |                         Ok(Some(nixgroup)) => {
347 | |                             vgroups.push(nixgroup);
348 | |                         }
349 | |                         _ => (),
350 | |                     };
    | |_____________________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
    = note: `#[warn(clippy::single_match)]` on by default
help: try this
    |
345 ~                     if let Ok(Some(nixgroup)) = nix::unistd::Group::from_name(group) {
346 +                         vgroups.push(nixgroup);
347 ~                     };
    |

warning: this creates an owned instance just for comparison
   --> src/chsr/../config/save.rs:608:35
    |
608 |                           } else if *child.text().unwrap().text()
    |  ___________________________________^
609 | |                             != self.wildcard_denied.as_ref().unwrap().to_string()
    | |_________________________________________________________________________________^ try implementing the comparison without allocating
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned

warning: this creates an owned instance just for comparison
   --> src/chsr/../config/save.rs:553:35
    |
553 |                           } else if *child
    |  ___________________________________^
554 | |                             .text()
555 | |                             .ok_or::<Box<dyn Error>>(
556 | |                                 "Unable to retrieve env_checklist Text".into(),
557 | |                             )?
558 | |                             .text()
559 | |                             != self.env_checklist.as_ref().unwrap().to_string()
    | |_______________________________________________________________________________^ try implementing the comparison without allocating
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned

warning: this creates an owned instance just for comparison
   --> src/chsr/../config/save.rs:536:35
    |
536 |                           } else if *child
    |  ___________________________________^
537 | |                             .text()
538 | |                             .ok_or::<Box<dyn Error>>(
539 | |                                 "Unable to retrieve env_whitelist Text".into(),
540 | |                             )?
541 | |                             .text()
542 | |                             != self.env_whitelist.as_ref().unwrap().to_string()
    | |_______________________________________________________________________________^ try implementing the comparison without allocating
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
    = note: `#[warn(clippy::cmp_owned)]` on by default

warning: this lifetime isn't used in the impl
   --> src/sr/finder.rs:167:6
    |
167 | impl<'a> Ord for Score {
    |      ^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes

warning: this lifetime isn't used in the impl
   --> src/sr/finder.rs:161:6
    |
161 | impl<'a> PartialOrd for Score {
    |      ^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes

warning: all variants have the same postfix: `Match`
  --> src/sr/finder.rs:88:1
   |
88 | / enum UserMin {
89 | |     UserMatch,
90 | |     GroupMatch(usize),
91 | |     NoMatch,
92 | | }
   | |_^
   |
   = help: remove the postfixes and use full paths to the variants instead of glob imports
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
   = note: `#[warn(clippy::enum_variant_names)]` on by default

warning: this lifetime isn't used in the impl
  --> src/sr/finder.rs:44:6
   |
44 | impl<'a> Error for MatchError {
   |      ^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes

warning: this lifetime isn't used in the impl
  --> src/sr/finder.rs:35:6
   |
35 | impl<'a> Display for MatchError {
   |      ^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes

warning: this lifetime isn't used in the function definition
   --> src/chsr/../config/load.rs:257:22
    |
257 | pub fn load_document<'a, P>(filename: &P, validate: bool) -> Result<Package, Box<dyn Error>>
    |                      ^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default

warning: useless conversion to the same type: `sxd_document::dom::Element<'_>`
   --> src/sr/../config/mod.rs:131:15
    |
131 |             f(element.into())?;
    |               ^^^^^^^^^^^^^^ help: consider removing `.into()`: `element`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
    = note: `#[warn(clippy::useless_conversion)]` on by default

warning: very complex type used. Consider factoring parts into `type` definitions
  --> src/sr/../config/version.rs:16:11
   |
16 |     down: fn(&Self, &Document) -> Result<(), Box<dyn Error>>,
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity

warning: very complex type used. Consider factoring parts into `type` definitions
  --> src/sr/../config/version.rs:15:9
   |
15 |     up: fn(&Self, &Document) -> Result<(), Box<dyn Error>>,
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
   = note: `#[warn(clippy::type_complexity)]` on by default