diff --git a/Dockerfile b/Dockerfile
index 0bd1b8dd7f..9759422518 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.2
 
-FROM rust:1.77-bookworm as builder
+FROM rust:1.76-bookworm as builder
 WORKDIR app
 COPY . .
 
diff --git a/crates/journal/src/journal.rs b/crates/journal/src/journal.rs
index 386b2eb606..43191817bf 100644
--- a/crates/journal/src/journal.rs
+++ b/crates/journal/src/journal.rs
@@ -94,7 +94,6 @@ pub fn new_journal_entry(app_state: Arc<AppState>, cx: &mut WindowContext) {
         std::fs::create_dir_all(month_dir)?;
         OpenOptions::new()
             .create(true)
-            .truncate(false)
             .write(true)
             .open(&entry_path)?;
         Ok::<_, std::io::Error>((journal_dir, entry_path))
diff --git a/crates/language/src/language_registry.rs b/crates/language/src/language_registry.rs
index ab4189aed6..b5a85f34e5 100644
--- a/crates/language/src/language_registry.rs
+++ b/crates/language/src/language_registry.rs
@@ -80,11 +80,8 @@ struct AvailableLanguage {
 
 enum AvailableGrammar {
     Native(tree_sitter::Language),
-    Loaded(#[allow(unused)] PathBuf, tree_sitter::Language),
-    Loading(
-        #[allow(unused)] PathBuf,
-        Vec<oneshot::Sender<Result<tree_sitter::Language>>>,
-    ),
+    Loaded(#[allow(dead_code)] PathBuf, tree_sitter::Language),
+    Loading(PathBuf, Vec<oneshot::Sender<Result<tree_sitter::Language>>>),
     Unloaded(PathBuf),
 }
 
diff --git a/crates/project/src/prettier_support.rs b/crates/project/src/prettier_support.rs
index 22463f7210..43679ccea6 100644
--- a/crates/project/src/prettier_support.rs
+++ b/crates/project/src/prettier_support.rs
@@ -530,7 +530,7 @@ impl Project {
         if buffer_language.prettier_parser_name().is_none() {
             return Task::ready(None);
         }
-        let Some(node) = self.node.clone() else {
+        let Some(node) = self.node.as_ref().map(Arc::clone) else {
             return Task::ready(None);
         };
         match File::from_dyn(buffer_file).map(|file| (file.worktree_id(cx), file.abs_path(cx))) {
diff --git a/crates/project/src/task_inventory.rs b/crates/project/src/task_inventory.rs
index f157c78756..991d47554a 100644
--- a/crates/project/src/task_inventory.rs
+++ b/crates/project/src/task_inventory.rs
@@ -590,7 +590,7 @@ mod tests {
             (TaskSourceKind::UserInput, common_name.to_string()),
             (TaskSourceKind::UserInput, "user_input".to_string()),
         ];
-        let worktree_1_tasks = [
+        let worktree_1_tasks = vec![
             (
                 TaskSourceKind::Worktree {
                     id: worktree_1,
@@ -606,7 +606,7 @@ mod tests {
                 "worktree_1".to_string(),
             ),
         ];
-        let worktree_2_tasks = [
+        let worktree_2_tasks = vec![
             (
                 TaskSourceKind::Worktree {
                     id: worktree_2,
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index df6ae34590..f71bbee6be 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.77"
+channel = "1.76"
 profile = "minimal"
 components = [ "rustfmt", "clippy" ]
 targets = [ "x86_64-apple-darwin", "aarch64-apple-darwin", "x86_64-unknown-linux-gnu", "wasm32-wasi" ]