rust: change build dir

so we get a different image base

rust/PKGBUILD

@@ -7,7 +7,7 @@ rust_dist_server=https://static.rust-lang.org/dist
 
 pkgname=rust
 pkgver=1.90.0
-pkgrel=1
+pkgrel=2
 pkgdesc="Systems programming language focused on safety, speed and concurrency"
 arch=('x86_64')
 url="https://www.rust-lang.org/"
@@ -41,7 +41,7 @@ source=("${rust_dist_server}/${pkgname}c-${pkgver}-src.tar.gz"{,.asc}
 noextract=(${pkgname}c-${pkgver}-src.tar.gz)
 sha256sums=('799a9f9cba4ed5351e071048bcf6b5560755d9009648def33a407dd4961f9b7e'
             'SKIP'
-            'd3d06a1b57fd90238c58750b6e5e609a43caedecc5e8336d5d6fe36b88e8e0ae'
+            '13ef39f92a0904542d00bff8672e041ce9774709987b6ee35c072e82b45609cd'
             '36dc685fb7b10ac7dd6f97095db530c6120b7f3a7d62aea49a7a9eb9d0461b24'
             'f461756029a2b7f35cc458e67eaada44e57eb3e0d8ae98db85f90b52dad2ccfc'
             'b72da28a20a43f924dbeca8798b7c86915c80513ef81d29e0742a699070827bc')

rust/bootstrap.toml

@@ -25,6 +25,7 @@ tools = [
   "rustdoc",
   "rustfmt",
 ]
+build-dir = "cygwin-build-2"
 
 # Do not generate docs for cygwin
 docs = false