build(msrv): ⬆️ bump MSRV to 1.81

Features from Rust 1.82 can be used now.

Notable changes:

- [`&raw (const|mut)` for extract raw pointer from a reference](rust-lang/rust#127679)

Cargo.toml

@@ -20,7 +20,7 @@ license = "Apache-2.0"
 repository = "https://github.com/NJUPT-SAST/rsjudge"
 
 # MSRV is set to N - 2, where N is the current stable version.
-rust-version = "1.81"
+rust-version = "1.82"
 
 [workspace.dependencies]
 log = "0.4.22"
@@ -170,7 +170,7 @@ tokio = { workspace = true, features = ["fs", "rt-multi-thread", "macros", "proc
 toml = "0.8.19"
 
 # Unused for now:
-# nix = { version = "0.27.1", features = ["fs"] }
+# nix = { version = "0.29.0", features = ["fs"] }
 # strfmt = "0.2.4"
 
 [features]
@@ -183,7 +183,7 @@ default = ["grpc", "rest", "mimalloc"]
 [build-dependencies]
 clap = { version = "4.5.26", features = ["derive"] }
 clap_complete = "4.5.42"
-clap_mangen = "0.2.25"
+clap_mangen = "0.2.26"
 
 [profile.release]
 codegen-units = 1

crates/rsjudge-amqp/Cargo.toml

@@ -11,7 +11,7 @@ rust-version.workspace = true
 
 [dependencies]
 amqprs = { version = "2.1.0", features = ["urispec"] }
-thiserror = "2.0.10"
+thiserror = "2.0.11"
 tokio.workspace = true
 
 rsjudge-traits.workspace = true

crates/rsjudge-runner/Cargo.toml

@@ -17,7 +17,7 @@ log.workspace = true
 nix = { version = "0.29.0", features = ["user", "resource", "process"] }
 rsjudge-traits.workspace = true
 rsjudge-utils.workspace = true
-thiserror = "2.0.10"
+thiserror = "2.0.11"
 tokio = { workspace = true, features = ["process", "sync", "time", "signal"] }
 tokio-util = "0.7.13"
 uzers = "0.12.1"

crates/rsjudge-runner/src/utils/resources/rusage.rs

@@ -2,7 +2,7 @@
 
 use std::{
     future::Future, io, mem::MaybeUninit, os::unix::process::ExitStatusExt, process::ExitStatus,
-    ptr::addr_of_mut, time::Duration,
+    time::Duration,
 };
 
 use nix::{
@@ -93,7 +93,7 @@ pub fn wait4<P: Into<Option<Pid>>>(
         let res = unsafe {
             libc::wait4(
                 pid.unwrap_or_else(|| Pid::from_raw(-1)).into(),
-                addr_of_mut!(status),
+                &raw mut status,
                 option_bits,
                 rusage.as_mut_ptr(),
             )

crates/rsjudge-utils/Cargo.toml

@@ -12,7 +12,7 @@ rust-version.workspace = true
 [dependencies]
 log.workspace = true
 shell-words = "1.1.0"
-thiserror = "2.0.10"
+thiserror = "2.0.11"
 tokio = { workspace = true, features = ["process", "macros", "rt-multi-thread"] }
 
 [dev-dependencies]