chore: bump edition to 2024 and MSRV to 1.85

This matches the MSRV for the main shpool project and updates the
edition to 2024.

Author: ethanpailes

.github/workflows/presubmit.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: moonrepo/setup-rust@b8edcc56aab474d90c7cf0bb8beeaf8334c15e9f
         with:
-          channel: '1.74.0'
+          channel: '1.85.0'
       - run: sudo apt-get install libpam0g-dev
       - run: cargo test --all-features
       - run: cargo test --no-default-features
@@ -45,7 +45,7 @@ jobs:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - uses: moonrepo/setup-rust@b8edcc56aab474d90c7cf0bb8beeaf8334c15e9f
         with:
-          channel: '1.74.0'
+          channel: '1.85.0'
           bins: cargo-deny
       - run: sudo apt-get install libpam0g-dev
       - run: cargo deny --all-features check licenses

Cargo.toml

@@ -7,6 +7,8 @@ homepage = "https://github.com/shell-pool/shpool_pty"
 license = "MIT"
 description = "Fork with new pseudo-terminal (PTY)"
 keywords = ["pty", "tty", "pseudo", "terminal", "fork"]
+edition = "2024"
+rust-version = "1.85"
 
 [features]
 default       = []

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.85.0"
+components = ["rust-docs", "rust-src", "rust-analyzer"]
+profile = "minimal"

src/fork.rs

@@ -152,7 +152,7 @@ impl Fork {
     /// The constructor function `from_ptmx` forks the program
     /// and returns the current pid for a default PTMX's path.
     pub fn from_ptmx() -> Result<Self> {
-        Fork::new(::DEFAULT_PTMX)
+        Fork::new(crate::DEFAULT_PTMX)
     }
 
     /// Waits until it's terminated.