try without reduced parallelism

Author: mati865

src/ci/run.sh

@@ -73,14 +73,6 @@ RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set rust.codegen-units-std=1"
 # of our CPU resources.
 RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set dist.compression-profile=balanced"
 
-# When building for mingw, limit the number of parallel linker jobs during
-# the LLVM build, as not to run out of memory.
-# This is an attempt to fix the spurious build error tracked by
-# https://github.com/rust-lang/rust/issues/108227.
-if isKnownToBeMingwBuild; then
-    RUST_CONFIGURE_ARGS="$RUST_CONFIGURE_ARGS --set llvm.link-jobs=1"
-fi
-
 # Only produce xz tarballs on CI. gz tarballs will be generated by the release
 # process by recompressing the existing xz ones. This decreases the storage
 # space required for CI artifacts.