main/hello-world-rust: several tweaks (MR 4310)

* Don't use "cargo install", as it leads to building a second time.
* Make the build very verbose, as this package is mainly used to debug
  and develop the crossdirect scripts for rust.

main/hello-world-rust/APKBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Oliver Smith <ollieparanoid@postmarketos.org>
 pkgname=hello-world-rust
 pkgver=0.1.1
-pkgrel=0
+pkgrel=1
 pkgdesc="Small test program for (cross) compiling rust"
 url="https://gitlab.com/ollieparanoid/hello-world-rust/"
 arch="all"
@@ -12,7 +12,8 @@ source="https://gitlab.com/ollieparanoid/hello-world-rust/-/archive/$pkgver/hell
 [ "$CARCH" = "riscv64" ] && options="$options textrels"
 
 build() {
-	cargo build --release --locked
+	export CROSSDIRECT_DEBUG=1
+	cargo build --release --locked --verbose --verbose
 }
 
 check() {
@@ -22,8 +23,8 @@ check() {
 }
 
 package() {
-	cargo install --path . --root="$pkgdir/usr"
-	rm "$pkgdir"/usr/.crates.toml
+	install -Dm755 target/release/hello_world_rust \
+		-t "$pkgdir"/usr/bin/
 }
 
 sha512sums="b755b02529e6ad40a969d5d563bc28be1202c8008661b72335c8c9e6f06bc5f0220fa047f5444b552815df5184c3ab86eb2f6a4f70701962fa0d4bc9a25ab259  hello-world-rust-0.1.1.tar.bz2"