refactor(tvix/build): remove use of lazy_static

This is now supported in the standard library via std::sync::LazyLock,
but requires some manual shuffling around of code.

Change-Id: Ie2af74beda9fcf8aa19fca7d844bcbe732f05bf8
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12610
Autosubmit: flokli <flokli@flokli.de>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>

tvix/Cargo.lock

@@ -4544,7 +4544,6 @@ dependencies = [
  "data-encoding",
  "futures",
  "itertools 0.12.1",
- "lazy_static",
  "mimalloc",
  "oci-spec",
  "prost",

tvix/Cargo.nix

@@ -15097,10 +15097,6 @@ rec {
           }
         ];
         devDependencies = [
-          {
-            name = "lazy_static";
-            packageId = "lazy_static";
-          }
           {
             name = "rstest";
             packageId = "rstest";

tvix/build/Cargo.toml

@@ -39,7 +39,6 @@ tonic-reflection = ["dep:tonic-reflection", "tvix-castore/tonic-reflection"]
 
 [dev-dependencies]
 rstest = { workspace = true }
-lazy_static = "1.4.0"
 tempfile = "3.3.0"
 
 [lints]

tvix/build/src/buildservice/from_addr.rs

@@ -66,20 +66,16 @@ where
 
 #[cfg(test)]
 mod tests {
-    use std::sync::Arc;
-
     use super::from_addr;
-    use lazy_static::lazy_static;
     use rstest::rstest;
+    use std::sync::{Arc, LazyLock};
     use tempfile::TempDir;
     use tvix_castore::{
         blobservice::{BlobService, MemoryBlobService},
         directoryservice::{DirectoryService, MemoryDirectoryService},
     };
 
-    lazy_static! {
-        static ref TMPDIR_OCI_1: TempDir = TempDir::new().unwrap();
-    }
+    static TMPDIR_OCI_1: LazyLock<TempDir> = LazyLock::new(|| TempDir::new().unwrap());
 
     #[rstest]
     /// This uses an unsupported scheme.