diff --git a/pkgs/applications/accessibility/contrast/default.nix b/pkgs/applications/accessibility/contrast/default.nix
index 689ad2735752..44bee86880a7 100644
--- a/pkgs/applications/accessibility/contrast/default.nix
+++ b/pkgs/applications/accessibility/contrast/default.nix
@@ -1,4 +1,5 @@
-{ lib
+{ stdenv
+, lib
 , fetchFromGitLab
 , cairo
 , dbus
@@ -7,17 +8,17 @@
 , glib
 , gtk3
 , libhandy_0
+, libsass
 , meson
 , ninja
 , pango
 , pkg-config
 , python3
-, rustc
 , rustPlatform
 , wrapGAppsHook
 }:
 
-rustPlatform.buildRustPackage rec {
+stdenv.mkDerivation rec {
   pname = "contrast";
   version = "0.0.3";
 
@@ -30,7 +31,11 @@ rustPlatform.buildRustPackage rec {
     sha256 = "0kk3mv7a6y258109xvgicmsi0lw0rcs00gfyivl5hdz7qh47iccy";
   };
 
-  cargoSha256 = "0vi8nv4hkhsgqgz36xacwkk5cxirg6li44nbmk3x7vx7c64hzybq";
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    name = "${pname}-${version}";
+    hash = "sha256-ePkPiWGn79PHrMsSEql5OXZW5uRMdTP+w0/DCcm2KG4=";
+  };
 
   nativeBuildInputs = [
     desktop-file-utils
@@ -39,6 +44,9 @@ rustPlatform.buildRustPackage rec {
     ninja
     pkg-config
     python3
+    rustPlatform.rust.cargo
+    rustPlatform.cargoSetupHook
+    rustPlatform.rust.rustc
     wrapGAppsHook
     glib # for glib-compile-resources
   ];
@@ -49,6 +57,7 @@ rustPlatform.buildRustPackage rec {
     glib
     gtk3
     libhandy_0
+    libsass
     pango
   ];
 
@@ -56,12 +65,6 @@ rustPlatform.buildRustPackage rec {
     patchShebangs build-aux/meson_post_install.py
   '';
 
-  # Don't use buildRustPackage phases, only use it for rust deps setup
-  configurePhase = null;
-  buildPhase = null;
-  checkPhase = null;
-  installPhase = null;
-
   meta = with lib; {
     description = "Checks whether the contrast between two colors meet the WCAG requirements";
     homepage = "https://gitlab.gnome.org/World/design/contrast";
diff --git a/pkgs/applications/audio/gnome-podcasts/default.nix b/pkgs/applications/audio/gnome-podcasts/default.nix
index fbd94ebd3d16..6524700ae156 100644
--- a/pkgs/applications/audio/gnome-podcasts/default.nix
+++ b/pkgs/applications/audio/gnome-podcasts/default.nix
@@ -1,11 +1,10 @@
-{ lib
+{ stdenv
+, lib
 , rustPlatform
 , fetchFromGitLab
 , meson
 , ninja
 , gettext
-, cargo
-, rustc
 , python3
 , pkg-config
 , glib
@@ -18,9 +17,9 @@
 , wrapGAppsHook
 }:
 
-rustPlatform.buildRustPackage rec {
-  version = "0.4.8";
+stdenv.mkDerivation rec {
   pname = "gnome-podcasts";
+  version = "0.4.8";
 
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
@@ -30,16 +29,21 @@ rustPlatform.buildRustPackage rec {
     sha256 = "0y2332zjq7vf1v38wzwz98fs19vpzy9kl7y0xbdzqr303l59hjb1";
   };
 
-  cargoSha256 = "1jbii9k4bkrivdk1ffr6556q1sgk9j4jbzwnn8vbxmksyl1x328q";
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    name = "${pname}-${version}";
+    hash = "sha256-GInRA/V61r42spb/JYlM8+mATSkmOxdm2zHPRWaKcck=";
+  };
 
   nativeBuildInputs = [
     meson
     ninja
     pkg-config
     gettext
-    cargo
-    rustc
     python3
+    rustPlatform.rust.cargo
+    rustPlatform.cargoSetupHook
+    rustPlatform.rust.rustc
     wrapGAppsHook
     glib
   ];
@@ -57,12 +61,6 @@ rustPlatform.buildRustPackage rec {
     gst_all_1.gst-plugins-good
   ];
 
-  # use Meson/Ninja phases
-  configurePhase = null;
-  buildPhase = null;
-  checkPhase = null;
-  installPhase = null;
-
   # tests require network
   doCheck = false;
 
@@ -74,7 +72,7 @@ rustPlatform.buildRustPackage rec {
   meta = with lib; {
     description = "Listen to your favorite podcasts";
     homepage = "https://wiki.gnome.org/Apps/Podcasts";
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
     maintainers = teams.gnome.members;
     platforms = platforms.unix;
   };
diff --git a/pkgs/applications/audio/shortwave/default.nix b/pkgs/applications/audio/shortwave/default.nix
index 96433221e932..36ee6c12eef9 100644
--- a/pkgs/applications/audio/shortwave/default.nix
+++ b/pkgs/applications/audio/shortwave/default.nix
@@ -1,10 +1,11 @@
-{ lib
+{ stdenv
+, lib
 , fetchFromGitLab
-, cargo
 , dbus
 , desktop-file-utils
 , gdk-pixbuf
 , gettext
+, gitMinimal
 , glib
 , gst_all_1
 , gtk3
@@ -14,13 +15,12 @@
 , openssl
 , pkg-config
 , python3
-, rustc
 , rustPlatform
 , sqlite
 , wrapGAppsHook
 }:
 
-rustPlatform.buildRustPackage rec {
+stdenv.mkDerivation rec {
   pname = "shortwave";
   version = "1.1.1";
 
@@ -32,18 +32,24 @@ rustPlatform.buildRustPackage rec {
     sha256 = "1vlhp2ss06j41simjrrjg38alp85jddhqyvccy6bhfzm0gzynwld";
   };
 
-  cargoSha256 = "181699rlpr5dszc18wg0kbss3gfskxaz9lpxpgsc4yfb6ip89qnk";
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    name = "${pname}-${version}";
+    hash = "sha256-0+KEbjTLecL0u/3S9FWf2r2h9ZrgcRTY163kS3NKJqA=";
+  };
 
   nativeBuildInputs = [
-    cargo
     desktop-file-utils
     gettext
+    gitMinimal
     glib # for glib-compile-schemas
     meson
     ninja
     pkg-config
     python3
-    rustc
+    rustPlatform.rust.cargo
+    rustPlatform.cargoSetupHook
+    rustPlatform.rust.rustc
     wrapGAppsHook
   ];
 
@@ -62,12 +68,6 @@ rustPlatform.buildRustPackage rec {
     gst-plugins-bad
   ]);
 
-  # Don't use buildRustPackage phases, only use it for rust deps setup
-  configurePhase = null;
-  buildPhase = null;
-  checkPhase = null;
-  installPhase = null;
-
   postPatch = ''
     patchShebangs build-aux/meson/postinstall.py
   '';
diff --git a/pkgs/applications/networking/instant-messengers/fractal/default.nix b/pkgs/applications/networking/instant-messengers/fractal/default.nix
index 14cf45e97bbd..9f5cd6f69bfd 100644
--- a/pkgs/applications/networking/instant-messengers/fractal/default.nix
+++ b/pkgs/applications/networking/instant-messengers/fractal/default.nix
@@ -1,12 +1,9 @@
 { lib, stdenv
 , fetchFromGitLab
 , nix-update-script
-, fetchpatch
 , meson
 , ninja
 , gettext
-, cargo
-, rustc
 , python3
 , rustPlatform
 , pkg-config
@@ -24,7 +21,7 @@
 , wrapGAppsHook
 }:
 
-rustPlatform.buildRustPackage rec {
+stdenv.mkDerivation rec {
   pname = "fractal";
   version = "4.4.0";
 
@@ -36,16 +33,21 @@ rustPlatform.buildRustPackage rec {
     sha256 = "DSNVd9YvI7Dd3s3+M0+wE594tmL1yPNMnD1W9wLhSuw=";
   };
 
-  cargoSha256 = "xim5sOzeXJjRXbTOg2Gk/LHU0LioiyMK5nSr1LwMPjc=";
+  cargoDeps = rustPlatform.fetchCargoTarball {
+    inherit src;
+    name = "${pname}-${version}";
+    hash = "sha256-xim5sOzeXJjRXbTOg2Gk/LHU0LioiyMK5nSr1LwMPjc=";
+  };
 
   nativeBuildInputs = [
-    cargo
     gettext
     meson
     ninja
     pkg-config
     python3
-    rustc
+    rustPlatform.rust.cargo
+    rustPlatform.cargoSetupHook
+    rustPlatform.rust.rustc
     wrapGAppsHook
     glib
   ];
@@ -76,12 +78,6 @@ rustPlatform.buildRustPackage rec {
     patchShebangs scripts/meson_post_install.py scripts/test.sh
   '';
 
-  # Don't use buildRustPackage phases, only use it for rust deps setup
-  configurePhase = null;
-  buildPhase = null;
-  checkPhase = null;
-  installPhase = null;
-
   passthru = {
     updateScript = nix-update-script {
       attrPath = pname;
@@ -91,7 +87,7 @@ rustPlatform.buildRustPackage rec {
   meta = with lib; {
     description = "Matrix group messaging app";
     homepage = "https://gitlab.gnome.org/GNOME/fractal";
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
     broken = stdenv.isDarwin;
     maintainers = with maintainers; [ dtzWill worldofpeace ];
   };