Update dependencies, cleanup Cargo.toml and update edition to 2021

Cargo.toml

@@ -8,8 +8,8 @@ license = "MIT"
 readme = "README.md"
 rust-version = "1.74"
 exclude = ["/test-unknown"]
-categories = ["filesystem", "os", "api-bindings"]
-edition = "2018"
+keywords = ["system-information", "disk", "process", "network", "cpu"]
+edition = "2021"
 
 [lib]
 name = "sysinfo"
@@ -19,7 +19,7 @@ default = ["multithread"]
 apple-sandbox = []
 apple-app-store = ["apple-sandbox"]
 c-interface = []
-multithread = ["rayon"]
+multithread = ["dep:rayon"]
 linux-netdevs = []
 linux-tmpfs = []
 debug = ["libc/extra_traits"]
@@ -49,7 +49,7 @@ serde = { version = "^1.0.190", optional = true }
 
 [target.'cfg(windows)'.dependencies]
 ntapi = "0.4"
-windows = { version = "0.52", features = [
+windows = { version = "0.54", features = [
     "Wdk_System_SystemInformation",
     "Wdk_System_SystemServices",
     "Wdk_System_Threading",

src/common.rs

@@ -7,7 +7,6 @@ use crate::{
 
 use std::cmp::Ordering;
 use std::collections::{HashMap, HashSet};
-use std::convert::TryFrom;
 use std::ffi::{OsStr, OsString};
 use std::fmt;
 use std::fmt::Formatter;

src/windows/component.rs

@@ -2,7 +2,7 @@
 
 use crate::Component;
 
-use windows::core::w;
+use windows::core::{w, VARIANT};
 use windows::Win32::Foundation::{SysAllocString, SysFreeString};
 use windows::Win32::Security::PSECURITY_DESCRIPTOR;
 use windows::Win32::System::Com::{
@@ -11,7 +11,7 @@ use windows::Win32::System::Com::{
     RPC_C_IMP_LEVEL_IMPERSONATE,
 };
 use windows::Win32::System::Rpc::{RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE};
-use windows::Win32::System::Variant::{VariantClear, VARIANT};
+use windows::Win32::System::Variant::VariantClear;
 use windows::Win32::System::Wmi::{
     IEnumWbemClassObject, IWbemLocator, IWbemServices, WbemLocator, WBEM_FLAG_FORWARD_ONLY,
     WBEM_FLAG_NONSYSTEM_ONLY, WBEM_FLAG_RETURN_IMMEDIATELY, WBEM_INFINITE,
@@ -276,7 +276,7 @@ impl Connection {
             let mut variant = variant.assume_init();
 
             // temperature is given in tenth of degrees Kelvin
-            let temp = (variant.Anonymous.decVal.Anonymous2.Lo64 / 10) as f32 - 273.15;
+            let temp = (variant.as_raw().Anonymous.decVal.Anonymous2.Lo64 / 10) as f32 - 273.15;
             let _r = VariantClear(&mut variant);
 
             let mut critical = None;
@@ -286,7 +286,8 @@ impl Connection {
                     .ok()?;
 
                 // temperature is given in tenth of degrees Kelvin
-                critical = Some((variant.Anonymous.decVal.Anonymous2.Lo64 / 10) as f32 - 273.15);
+                critical =
+                    Some((variant.as_raw().Anonymous.decVal.Anonymous2.Lo64 / 10) as f32 - 273.15);
                 let _r = VariantClear(&mut variant);
             }
 

src/windows/network.rs

@@ -145,7 +145,7 @@ impl NetworksInner {
                     }
                 }
             }
-            let _err = FreeMibTable(table as _);
+            FreeMibTable(table as _);
         }
         // Remove interfaces which are gone.
         self.interfaces.retain(|_, d| d.inner.updated);

src/windows/system.rs

@@ -315,6 +315,8 @@ impl SystemInner {
                     } else {
                         None
                     };
+                    // Not sure why we need to make this
+                    let process_list: &Wrap<UnsafeCell<&mut HashMap<Pid, Process>>> = &process_list;
                     if let Some(proc_) = (*process_list.0.get()).get_mut(&pid) {
                         let proc_ = &mut proc_.inner;
                         if proc_

src/windows/utils.rs

@@ -80,6 +80,7 @@ impl RegKey {
             Some(buf.as_mut_ptr()),
             Some(buf_len),
         )
+        .ok()
     }
 }