Bump the rust-dependencies group across 1 directory with 9 updates (#397)

* Bump the rust-dependencies group across 1 directory with 9 updates

Bumps the rust-dependencies group with 8 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [clap](https://github.com/clap-rs/clap) | `4.5.29` | `4.5.31` |
| [flate2](https://github.com/rust-lang/flate2-rs) | `1.0.35` | `1.1.0` |
| [libcnb](https://github.com/heroku/libcnb.rs) | `0.26.1` | `0.27.0` |
| [libherokubuildpack](https://github.com/heroku/libcnb.rs) | `0.26.1` | `0.27.0` |
| [rand](https://github.com/rust-random/rand) | `0.8.5` | `0.9.0` |
| [tar](https://github.com/alexcrichton/tar-rs) | `0.4.43` | `0.4.44` |
| [tempfile](https://github.com/Stebalien/tempfile) | `3.16.0` | `3.17.1` |
| [libcnb-test](https://github.com/heroku/libcnb.rs) | `0.26.1` | `0.27.0` |



Updates `clap` from 4.5.29 to 4.5.31
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@clap_complete-v4.5.29...v4.5.31)

Updates `flate2` from 1.0.35 to 1.1.0
- [Release notes](https://github.com/rust-lang/flate2-rs/releases)
- [Changelog](https://github.com/rust-lang/flate2-rs/blob/main/CHANGELOG.md)
- [Commits](rust-lang/flate2-rs@1.0.35...1.1.0)

Updates `libcnb` from 0.26.1 to 0.27.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.26.1...v0.27.0)

Updates `libherokubuildpack` from 0.26.1 to 0.27.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.26.1...v0.27.0)

Updates `rand` from 0.8.5 to 0.9.0
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](rust-random/rand@0.8.5...0.9.0)

Updates `serde` from 1.0.217 to 1.0.218
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.217...v1.0.218)

Updates `tar` from 0.4.43 to 0.4.44
- [Commits](alexcrichton/tar-rs@0.4.43...0.4.44)

Updates `tempfile` from 3.16.0 to 3.17.1
- [Changelog](https://github.com/Stebalien/tempfile/blob/master/CHANGELOG.md)
- [Commits](Stebalien/tempfile@v3.16.0...v3.17.1)

Updates `libcnb-test` from 0.26.1 to 0.27.0
- [Release notes](https://github.com/heroku/libcnb.rs/releases)
- [Changelog](https://github.com/heroku/libcnb.rs/blob/main/CHANGELOG.md)
- [Commits](heroku/libcnb.rs@v0.26.1...v0.27.0)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: flate2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: libcnb
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: libherokubuildpack
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: rand
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: tar
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: rust-dependencies
- dependency-name: tempfile
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
- dependency-name: libcnb-test
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: rust-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update for breaking changes in rand 0.9

https://github.com/rust-random/rand/blob/master/CHANGELOG.md#090---2025-01-27

* Fix clippy errors in newer Rust

Fixes:

```
warning: unnecessary semicolon
   --> commons/src/cache/app_cache.rs:137:10
    |
137 |         };
    |          ^ help: remove
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
    = note: `-W clippy::unnecessary-semicolon` implied by `-W clippy::pedantic`
    = help: to override `-W clippy::pedantic` add `#[allow(clippy::unnecessary_semicolon)]`

warning: `commons` (lib) generated 1 warning (run `cargo clippy --fix --lib -p commons` to apply 1 suggestion)
warning: `commons` (lib test) generated 1 warning (1 duplicate)
warning: unnecessary semicolon
  --> buildpacks/ruby/src/user_errors.rs:33:6
   |
33 |     };
   |      ^ help: remove
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
   = note: `-W clippy::unnecessary-semicolon` implied by `-W clippy::pedantic`
   = help: to override `-W clippy::pedantic` add `#[allow(clippy::unnecessary_semicolon)]`

warning: unnecessary semicolon
  --> buildpacks/ruby/src/bin/agentmon_loop.rs:61:18
   |
61 |                 };
   |                  ^ help: remove
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
   = note: `-W clippy::unnecessary-semicolon` implied by `-W clippy::pedantic`
   = help: to override `-W clippy::pedantic` add `#[allow(clippy::unnecessary_semicolon)]`

warning: unnecessary semicolon
   --> buildpacks/ruby/src/bin/agentmon_loop.rs:123:6
    |
123 |     };
    |      ^ help: remove
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon

warning: unnecessary semicolon
   --> buildpacks/ruby/src/bin/agentmon_loop.rs:127:6
    |
127 |     };
    |      ^ help: remove
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon

warning: unnecessary semicolon
   --> buildpacks/ruby/src/bin/agentmon_loop.rs:133:6
    |
133 |     };
    |      ^ help: remove
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_semicolon
```

* Refresh lockfile

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ed Morley <501702+edmorley@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -9,7 +9,7 @@ cache_diff = { version = "1.1", features = ["bullet_stream"] }
 
 [workspace.package]
 edition = "2021"
-rust-version = "1.82"
+rust-version = "1.85"
 
 [workspace.lints.rust]
 unreachable_pub = "warn"
@@ -22,4 +22,3 @@ panic_in_result_fn = "warn"
 pedantic = { level = "warn", priority = -1 }
 unwrap_used = "warn"
 module_name_repetitions = "allow"
-

Cargo.toml

@@ -18,9 +18,9 @@ glob = "0.3"
 indoc = "2"
 # libcnb has a much bigger impact on buildpack behaviour than any other dependencies,
 # so it's pinned to an exact version to isolate it from lockfile refreshes.
-libcnb = "=0.26.1"
-libherokubuildpack = { version = "=0.26.1", default-features = false, features = ["digest"] }
-rand = "0.8"
+libcnb = "=0.27.0"
+libherokubuildpack = { version = "=0.27.0", default-features = false, features = ["digest"] }
+rand = "0.9"
 # TODO: Consolidate on either the regex crate or the fancy-regex crate, since this repo currently uses both.
 regex = "1"
 serde = "1"
@@ -33,5 +33,5 @@ magic_migrate = "1.0"
 toml = "0.8"
 
 [dev-dependencies]
-libcnb-test = "=0.26.1"
+libcnb-test = "=0.27.0"
 pretty_assertions = "1.4.1"

buildpacks/ruby/Cargo.toml

@@ -58,7 +58,7 @@ fn main() {
                             "Process could not run due to error. {error}, sleeping {SLEEP_FOR:?}"
                         );
                     }
-                };
+                }
                 sleep(SLEEP_FOR);
             }
         }
@@ -120,17 +120,17 @@ fn build_args(env: &HashMap<String, String>) -> Result<Vec<String>, BuildArgsErr
         args.push(format!("-statsd-addr=:{port}"));
     } else {
         return Err(BuildArgsError::MissingPort);
-    };
+    }
 
     if env.get(AGENTMON_DEBUG).is_some_and(|value| value == "true") {
         args.push("-debug".to_string());
-    };
+    }
 
     if let Some(url) = env.get(HEROKU_METRICS_URL) {
         args.push(url.clone());
     } else {
         return Err(BuildArgsError::MissingMetricsUrl);
-    };
+    }
 
     Ok(args)
 }

buildpacks/ruby/src/bin/agentmon_loop.rs

@@ -28,10 +28,10 @@ pub(crate) fn default_env(
         .metadata
         .entry("SECRET_KEY_BASE")
         .or_insert_with(|| {
-            let mut rng = rand::thread_rng();
+            let mut rng = rand::rng();
 
             (0..64)
-                .map(|_| rng.sample(rand::distributions::Alphanumeric) as char)
+                .map(|_| rng.sample(rand::distr::Alphanumeric) as char)
                 .collect::<String>()
                 .into()
         })

buildpacks/ruby/src/steps/default_env.rs

@@ -30,7 +30,7 @@ pub(crate) fn on_error(err: libcnb::Error<RubyBuildpackError>) {
                 buildpack or the framework please open an issue on the buildpack's GitHub repository.
             "});
         }
-    };
+    }
 }
 
 #[allow(clippy::too_many_lines)]

buildpacks/ruby/src/user_errors.rs

@@ -16,7 +16,7 @@ fs-err = "3"
 glob = "0.3"
 # libcnb has a much bigger impact on buildpack behaviour than any other dependencies,
 # so it's pinned to an exact version to isolate it from lockfile refreshes.
-libcnb = "=0.26.1"
+libcnb = "=0.27.0"
 regex = "1"
 serde = "1"
 sha2 = "0.10"

commons/Cargo.toml

@@ -134,7 +134,7 @@ impl AppCache {
             KeepPath::BuildOnly => {
                 fs_err::remove_dir_all(&self.path).map_err(CacheError::IoError)?;
             }
-        };
+        }
 
         Ok(self)
     }