Pin rust nightly version

t895 · t895 · commit a013d839987d · 2026-05-31T11:01:44.000-04:00
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly"
+channel = "nightly-2026-05-30"
 targets = [ "x86_64-linux-android", "aarch64-linux-android", "armv7-linux-androideabi" ]
