Swapped PID randomness for ThreadRng from rand crate

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "adler2"
@@ -1389,8 +1389,8 @@ version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "636860251af8963cc40f6b4baadee105f02e21b28131d76eba8e40ce84ab8064"
 dependencies = [
- "rand",
+ "rand 0.8.5",
- "rand_chacha",
+ "rand_chacha 0.3.1",
 ]
 
 [[package]]
@@ -1771,7 +1771,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c80231409c20246a13fddb31776fb942c38553c51e871f8cbd687a4cfb5843d"
 dependencies = [
  "phf_shared",
- "rand",
+ "rand 0.8.5",
 ]
 
 [[package]]
@@ -1873,7 +1873,7 @@ version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
- "zerocopy",
+ "zerocopy 0.7.35",
 ]
 
 [[package]]
@@ -1958,7 +1958,18 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.3",
+ "zerocopy 0.8.21",
 ]
 
 [[package]]
@@ -1968,7 +1979,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -1977,6 +1998,15 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom 0.3.1",
+]
+
 [[package]]
 name = "rayon"
 version = "1.10.0"
@@ -2901,6 +2931,7 @@ dependencies = [
  "native-tls",
  "once_cell",
  "openssl",
+ "rand 0.9.0",
  "serde",
  "serde_json",
  "tar",
@@ -3723,7 +3754,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
  "byteorder",
- "zerocopy-derive",
+ "zerocopy-derive 0.7.35",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf01143b2dd5d134f11f545cf9f1431b13b749695cb33bcce051e7568f99478"
+dependencies = [
+ "zerocopy-derive 0.8.21",
 ]
 
 [[package]]
@@ -3737,6 +3777,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712c8386f4f4299382c9abee219bee7084f78fb939d88b6840fcc1320d5f6da2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "zerofrom"
 version = "0.1.5"

Cargo.toml

@@ -93,6 +93,7 @@ proc-macro2 = "1"
 pulldown-cmark = "0.9"
 qcms = "0.3.0"
 quote = "1"
+rand = "0.9"
 rayon = "1.7.0"
 regex = "1"
 regex-syntax = "0.8"

crates/typst-kit/Cargo.toml

@@ -24,6 +24,7 @@ fontdb = { workspace = true, optional = true }
 native-tls = { workspace = true, optional = true }
 once_cell = { workspace = true }
 serde = { workspace = true }
+rand = { workspace = true }
 serde_json = { workspace = true }
 tar = { workspace = true, optional = true }
 ureq = { workspace = true, optional = true }

crates/typst-kit/src/package.rs

@@ -204,7 +204,7 @@ impl PackageStorage {
             "{}-{}-{}",
             spec.name,
             spec.version,
-            std::process::id() // Make directory name unique.
+            rand::random::<u32>() // Make directory name unique.
         ));
 
         let create_dir = |dir, dir_name| {