hashintel · hash-worker · Feb 16, 2026 · Feb 19, 2026 · Feb 24, 2026 · Feb 24, 2026
diff --git a/libs/@blockprotocol/type-system/rust/src/knowledge/entity/mod.rs b/libs/@blockprotocol/type-system/rust/src/knowledge/entity/mod.rs
@@ -211,11 +211,11 @@ mod tests {
                     .enumerate()
                     .find(|(_, diff)| **diff == expected)
                     .unwrap_or_else(|| {
-                        panic!("unexpected diff found: {expected:#?}\n\nactual: {diff:#?}",)
+                        panic!("unexpected diff found: {expected:#?}\n\nactual: {diff:#?}")
                     });
                 diff.remove(idx);
             }
-            assert!(diff.is_empty(), "missing diffs: {diff:#?}",);
+            assert!(diff.is_empty(), "missing diffs: {diff:#?}");
         }
 
         fn create_base_url(property: usize) -> BaseUrl {

diff --git a/libs/@local/codegen/src/typescript.rs b/libs/@local/codegen/src/typescript.rs
@@ -341,7 +341,7 @@ impl<'a, 'c> TypeScriptGenerator<'a, 'c> {
             | Type::NonEmptyList(_)
             | Type::Map(_)
             | Type::Nullable(_)) => {
-                unimplemented!("Tried to generate an interface from unsupported type: {ty:?}",)
+                unimplemented!("Tried to generate an interface from unsupported type: {ty:?}")
             }
         };
 

diff --git a/libs/@local/graph/api/src/lib.rs b/libs/@local/graph/api/src/lib.rs
@@ -8,7 +8,6 @@
     return_type_notation,
 
     // Library Features
-    assert_matches,
     error_generic_member_access,
 )]
 

diff --git a/libs/@local/graph/authorization/tests/policies/main.rs b/libs/@local/graph/authorization/tests/policies/main.rs
@@ -1,8 +1,3 @@
-#![feature(
-    // Library Features
-    assert_matches,
-)]
-
 extern crate alloc;
 
 mod definitions;

diff --git a/libs/@local/graph/postgres-store/tests/principals/main.rs b/libs/@local/graph/postgres-store/tests/principals/main.rs
@@ -1,7 +1,3 @@
-#![feature(
-    // Library Features
-    assert_matches,
-)]
 #![expect(clippy::panic_in_result_fn)]
 
 extern crate alloc;

diff --git a/libs/@local/harpc/net/src/lib.rs b/libs/@local/harpc/net/src/lib.rs
@@ -13,7 +13,7 @@
     // Library Features
     error_generic_member_access,
 )]
-#![cfg_attr(test, feature(assert_matches, async_fn_track_caller))]
+#![cfg_attr(test, feature(async_fn_track_caller))]
 
 extern crate alloc;
 

diff --git a/libs/@local/harpc/tower/src/lib.rs b/libs/@local/harpc/tower/src/lib.rs
@@ -10,7 +10,7 @@
     // Library Features
     error_generic_member_access,
 )]
-#![cfg_attr(test, feature(assert_matches, macro_metavar_expr))]
+#![cfg_attr(test, feature(macro_metavar_expr))]
 
 extern crate alloc;
 

diff --git a/libs/@local/harpc/types/src/subsystem.rs b/libs/@local/harpc/types/src/subsystem.rs
@@ -45,6 +45,6 @@ impl Display for SubsystemDescriptor {
     fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
         let &Self { id, version } = self;
 
-        write!(fmt, "{id}@{version}",)
+        write!(fmt, "{id}@{version}")
     }
 }
diff --git a/libs/@local/hashql/ast/src/lib.rs b/libs/@local/hashql/ast/src/lib.rs
@@ -49,15 +49,13 @@
 #![feature(
     // Language Features
     coverage_attribute,
-    if_let_guard,
     macro_metavar_expr_concat,
 
     // Library Features
     allocator_api,
     formatting_options,
     iter_intersperse,
 )]
-#![cfg_attr(test, feature(assert_matches))]
 
 extern crate alloc;
 

diff --git a/libs/@local/hashql/compiletest/src/lib.rs b/libs/@local/hashql/compiletest/src/lib.rs
@@ -4,10 +4,8 @@
 #![feature(
     // Language Features
     coverage_attribute,
-    if_let_guard,
 
     // Library Features
-    assert_matches,
     duration_millis_float,
     exitcode_exit_method,
     file_buffered,

diff --git a/libs/@local/hashql/core/src/lib.rs b/libs/@local/hashql/core/src/lib.rs
@@ -9,7 +9,6 @@
     arbitrary_self_types,
     associated_type_defaults,
     coverage_attribute,
-    if_let_guard,
     impl_trait_in_assoc_type,
     macro_metavar_expr,
     macro_metavar_expr_concat,
@@ -18,7 +17,6 @@
 
     // Library Features
     allocator_api,
-    assert_matches,
     binary_heap_into_iter_sorted,
     clone_from_ref,
     const_cmp,

diff --git a/libs/@local/hashql/core/src/type/error.rs b/libs/@local/hashql/core/src/type/error.rs
@@ -1063,7 +1063,7 @@ pub(crate) fn type_parameter_not_found<K>(
     )
     .primary(Label::new(
         param.span,
-        format!("Invalid reference to undefined type parameter ?{argument}",),
+        format!("Invalid reference to undefined type parameter ?{argument}"),
     ));
 
     diagnostic.add_message(Message::help(

diff --git a/libs/@local/hashql/eval/src/lib.rs b/libs/@local/hashql/eval/src/lib.rs
@@ -7,7 +7,6 @@
     // Language Features
     coverage_attribute,
     exhaustive_patterns,
-    if_let_guard,
     never_type,
 
     // Library Features

diff --git a/libs/@local/hashql/mir/src/lib.rs b/libs/@local/hashql/mir/src/lib.rs
@@ -7,15 +7,13 @@
     associated_type_defaults,
     coverage_attribute,
     exhaustive_patterns,
-    if_let_guard,
     impl_trait_in_assoc_type,
     macro_metavar_expr_concat,
     never_type,
     const_trait_impl,
 
     // Library Features
     allocator_api,
-    assert_matches,
     binary_heap_drain_sorted,
     clone_from_ref,
     const_type_name,

diff --git a/libs/@local/hashql/syntax-jexpr/src/lib.rs b/libs/@local/hashql/syntax-jexpr/src/lib.rs
@@ -6,12 +6,10 @@
 #![feature(
     // Language Features
     decl_macro,
-    if_let_guard,
 
     // Library Features
     allocator_api,
     ascii_char,
-    assert_matches,
     box_into_boxed_slice,
     new_range_api,
     portable_simd,

diff --git a/libs/error-stack/README.md b/libs/error-stack/README.md
@@ -7,7 +7,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/error-stack)][crates.io]
 [![libs.rs](https://img.shields.io/badge/libs.rs-error--stack-orange)][libs.rs]
-[![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-09&color=blue)][rust-version]
+[![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-28&color=blue)][rust-version]
 [![documentation](https://img.shields.io/docsrs/error-stack)][documentation]
 [![license](https://img.shields.io/crates/l/error-stack)][license]
 

diff --git a/libs/error-stack/macros/README.md b/libs/error-stack/macros/README.md
@@ -6,7 +6,7 @@
 
 [![crates.io](https://img.shields.io/crates/v/error-stack-macros)][crates.io]
 [![libs.rs](https://img.shields.io/badge/libs.rs-error--stack--macros-orange)][libs.rs]
-[![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-09&color=blue)][rust-version]
+[![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-28&color=blue)][rust-version]
 [![documentation](https://img.shields.io/docsrs/error-stack-macros)][documentation]
 [![license](https://img.shields.io/crates/l/error-stack)][license]
 

diff --git a/libs/error-stack/src/lib.rs b/libs/error-stack/src/lib.rs
@@ -2,7 +2,7 @@
 //!
 //! [![crates.io](https://img.shields.io/crates/v/error-stack)][crates.io]
 //! [![libs.rs](https://img.shields.io/badge/libs.rs-error--stack-orange)][libs.rs]
-//! [![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-09&color=blue)][rust-version]
+//! [![rust-version](https://img.shields.io/static/v1?label=Rust&message=1.83.0/nightly-2026-02-28&color=blue)][rust-version]
 //!
 //! [crates.io]: https://crates.io/crates/error-stack
 //! [libs.rs]: https://lib.rs/crates/error-stack

diff --git a/libs/error-stack/src/report.rs b/libs/error-stack/src/report.rs
@@ -305,17 +305,15 @@ impl<C> Report<C> {
 
         #[cfg(all(nightly, feature = "backtrace"))]
         let backtrace = core::error::request_ref::<Backtrace>(&frame.as_error())
-            .filter(|backtrace| backtrace.status() == BacktraceStatus::Captured)
-            .is_none()
+            .is_none_or(|backtrace| backtrace.status() != BacktraceStatus::Captured)
             .then(Backtrace::capture);
 
         #[cfg(all(not(nightly), feature = "backtrace"))]
         let backtrace = Some(Backtrace::capture());
 
         #[cfg(all(nightly, feature = "spantrace"))]
         let span_trace = core::error::request_ref::<SpanTrace>(&frame.as_error())
-            .filter(|span_trace| span_trace.status() == SpanTraceStatus::CAPTURED)
-            .is_none()
+            .is_none_or(|span_trace| span_trace.status() != SpanTraceStatus::CAPTURED)
             .then(SpanTrace::capture);
 
         #[cfg(all(not(nightly), feature = "spantrace"))]

diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel    = "nightly-2026-02-09"
+channel    = "nightly-2026-02-28"
 components = ['rustfmt', 'clippy', 'llvm-tools-preview', 'miri', 'rust-src', 'rust-analyzer', 'rustc-codegen-cranelift-preview']
diff --git a/tests/graph/integration/postgres/lib.rs b/tests/graph/integration/postgres/lib.rs
@@ -1,7 +1,3 @@
-#![feature(
-    // Library Features
-    assert_matches,
-)]
 #![expect(
     clippy::missing_panics_doc,
     clippy::missing_errors_doc,

diff --git a/tests/graph/test-data/rust/src/lib.rs b/tests/graph/test-data/rust/src/lib.rs
@@ -9,7 +9,6 @@
 
     // Library Features
     unwrap_infallible,
-    assert_matches,
 )]
 
 extern crate alloc;