build: downgrade MSRV (#328)

* Cargo: downgrade to 1.81

* Cargo: downgrade to 1.65

* ubuntu: remove rustup patch

* ubuntu: add cargo as build dep

* Revert "ubuntu: remove rustup patch"

This reverts commit 662e033.

* Revert "ubuntu: add cargo as build dep"

This reverts commit 9428bb6.

* ubuntu: remove rustup patch

* ubuntu: add cargo as build dep

* deb: update rustup patch

Author: R1kaB3rN

Cargo.lock

@@ -2,7 +2,7 @@
 name = "umu"
 version = "0.1.0"
 edition = "2021"
-rust-version = "1.83"
+rust-version = "1.65"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]

Cargo.toml

@@ -1,16 +1,15 @@
-From 01a6b1c6e545fab6d01d24dfe1e240d327e77c3d Mon Sep 17 00:00:00 2001
+From 6df92e1bf3138a119c47187011cd9217d153206e Mon Sep 17 00:00:00 2001
 From: R1kaB3rN <100738684+R1kaB3rN@users.noreply.github.com>
-Date: Fri, 3 Jan 2025 22:58:17 -0800
+Date: Fri, 10 Jan 2025 10:16:40 -0800
 Subject: [PATCH] deb: fix build by using rustup
 
 ---
  Makefile.in                  | 10 +++++++++-
  packaging/deb/debian/control |  1 +
- packaging/deb/ubuntu/control |  1 +
- 3 files changed, 11 insertions(+), 1 deletion(-)
+ 2 files changed, 10 insertions(+), 1 deletion(-)
 
 diff --git a/Makefile.in b/Makefile.in
-index 03b18fc4..b9cfeb10 100644
+index 03b18fc4..069fa83f 100644
 --- a/Makefile.in
 +++ b/Makefile.in
 @@ -3,6 +3,8 @@ PROJECT := umu-launcher
@@ -35,7 +34,7 @@ index 03b18fc4..b9cfeb10 100644
 +	curl -LJO https://sh.rustup.rs
 +	chmod u+x ./rustup-init.sh
 +	$(SHELL_INTERPRETER) rustup-init.sh --default-toolchain none -y
-+	$(RUSTUP_BIN) toolchain install 1.83
++	$(RUSTUP_BIN) toolchain install 1.65
 +	$(CARGO_BIN) build -r
  	cp -a ./target/release/libumu_delta.so $(OBJDIR)/umu_delta$(PYTHON_PLATFORM_TAG)
 
@@ -44,18 +43,6 @@ diff --git a/packaging/deb/debian/control b/packaging/deb/debian/control
 index 243d1771..5372875d 100644
 --- a/packaging/deb/debian/control
 +++ b/packaging/deb/debian/control
-@@ -14,6 +14,7 @@ Build-Depends:
-  python3-installer,
-  python3-build,
-  python3-pip,
-+ curl,
- Standards-Version: 4.6.2
- Homepage: https://github.com/Open-Wine-Components/umu-launcher
- Vcs-Browser: https://github.com/Open-Wine-Components/umu-launcher
-diff --git a/packaging/deb/ubuntu/control b/packaging/deb/ubuntu/control
-index 243d1771..5372875d 100644
---- a/packaging/deb/ubuntu/control
-+++ b/packaging/deb/ubuntu/control
 @@ -14,6 +14,7 @@ Build-Depends:
   python3-installer,
   python3-build,

packaging/deb/0001-deb-fix-build-by-using-rustup.patch

@@ -14,6 +14,7 @@ Build-Depends:
  python3-installer,
  python3-build,
  python3-pip,
+ cargo,
 Standards-Version: 4.6.2
 Homepage: https://github.com/Open-Wine-Components/umu-launcher
 Vcs-Browser: https://github.com/Open-Wine-Components/umu-launcher

packaging/deb/ubuntu/control

@@ -27,7 +27,6 @@ PYTHONDIR = /usr/lib/python3/dist-packages
 	dh $@
 
 override_dh_auto_configure:
-	patch -p1 < packaging/deb/0001-deb-fix-build-by-using-rustup.patch
 	./configure.sh --prefix=/usr
 
 override_dh_auto_build: