diff --git a/modules/impermanence.nix b/modules/impermanence.nix
index 1ddc2cbf9..646f26769 100644
--- a/modules/impermanence.nix
+++ b/modules/impermanence.nix
@@ -36,6 +36,8 @@ in
         # cache is probably too big to fit on the tmpfs
         # TODO: we could bind-mount it to something which gets cleared per boot, though.
         { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.cache"; }
+        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.cargo"; }
+        { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.rustup"; }
         { user = "colin"; group = "users"; mode = "0755"; directory = "/home/colin/.ssh"; }
         # intentionally omitted:
         # "/home/colin/.config"  # managed by home-manager
diff --git a/modules/universal/home-manager.nix b/modules/universal/home-manager.nix
index 250ffe200..d2dd7ea18 100644
--- a/modules/universal/home-manager.nix
+++ b/modules/universal/home-manager.nix
@@ -206,6 +206,7 @@ in
         fatresize
         fd
         file
+        gcc
         gnumake
         gptfdisk
         hdparm
@@ -239,6 +240,7 @@ in
         python3
         ripgrep
         rmlint
+        rustup
         sane-scripts
         screen
         smartmontools