diff --git a/Cargo.toml b/Cargo.toml
index 18f0b6693..55856c964 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -72,7 +72,7 @@ fnv = "1.0.7"
 winapi = "0.3.9"
 
 [dev-dependencies]
-binggan = "0.8.0"
+binggan = "0.10.0"
 rand = "0.8.5"
 maplit = "1.0.2"
 matches = "0.1.9"
diff --git a/benches/agg_bench.rs b/benches/agg_bench.rs
index 46a4f6080..1a2322cd1 100644
--- a/benches/agg_bench.rs
+++ b/benches/agg_bench.rs
@@ -17,7 +17,10 @@ pub static GLOBAL: &PeakMemAlloc<std::alloc::System> = &INSTRUMENTED_SYSTEM;
 /// runner.register("average_u64", move |index| average_u64(index));
 macro_rules! register {
     ($runner:expr, $func:ident) => {
-        $runner.register(stringify!($func), move |index| $func(index))
+        $runner.register(stringify!($func), move |index| {
+            $func(index);
+            None
+        })
     };
 }
 
diff --git a/columnar/Cargo.toml b/columnar/Cargo.toml
index 46e8b49f0..4bf322ffd 100644
--- a/columnar/Cargo.toml
+++ b/columnar/Cargo.toml
@@ -23,7 +23,7 @@ downcast-rs = "1.2.0"
 proptest = "1"
 more-asserts = "0.3.1"
 rand = "0.8"
-binggan = "0.8.1"
+binggan = "0.10.0"
 
 [[bench]]
 name = "bench_merge"
diff --git a/columnar/benches/bench_access.rs b/columnar/benches/bench_access.rs
index e40d3f179..571c07ff2 100644
--- a/columnar/benches/bench_access.rs
+++ b/columnar/benches/bench_access.rs
@@ -42,6 +42,7 @@ fn bench_group(mut runner: InputGroup<Column>) {
             }
         }
         black_box(sum);
+        None
     });
     runner.register("access_first_vals", |column| {
         let mut sum = 0;
@@ -62,6 +63,7 @@ fn bench_group(mut runner: InputGroup<Column>) {
         }
 
         black_box(sum);
+        None
     });
     runner.run();
 }
diff --git a/columnar/benches/bench_merge.rs b/columnar/benches/bench_merge.rs
index 9e6d33d41..c3b83ace3 100644
--- a/columnar/benches/bench_merge.rs
+++ b/columnar/benches/bench_merge.rs
@@ -41,7 +41,7 @@ fn main() {
                 let merge_row_order = StackMergeOrder::stack(&columnar_readers[..]);
 
                 merge_columnar(&columnar_readers, &[], merge_row_order.into(), &mut out).unwrap();
-                black_box(out);
+                Some(out.len() as u64)
             },
         );
     }
diff --git a/common/Cargo.toml b/common/Cargo.toml
index c43c05255..9d6dd69e6 100644
--- a/common/Cargo.toml
+++ b/common/Cargo.toml
@@ -19,7 +19,7 @@ time = { version = "0.3.10", features = ["serde-well-known"] }
 serde = { version = "1.0.136", features = ["derive"] }
 
 [dev-dependencies]
-binggan = "0.8.1"
+binggan = "0.10.0"
 proptest = "1.0.0"
 rand = "0.8.4"
 
diff --git a/common/benches/bench.rs b/common/benches/bench.rs
index 10f176428..01cb6d230 100644
--- a/common/benches/bench.rs
+++ b/common/benches/bench.rs
@@ -15,6 +15,7 @@ fn bench_vint() {
             out += u64::from(buf[0]);
         }
         black_box(out);
+        None
     });
 
     let vals: Vec<u32> = (0..20_000).choose_multiple(&mut thread_rng(), 100_000);
@@ -26,6 +27,7 @@ fn bench_vint() {
             out += u64::from(buf[0]);
         }
         black_box(out);
+        None
     });
 }
 
@@ -41,20 +43,24 @@ fn bench_bitset() {
         tinyset.pop_lowest();
         tinyset.pop_lowest();
         black_box(tinyset);
+        None
     });
 
     let tiny_set = TinySet::empty().insert(10u32).insert(14u32).insert(21u32);
     runner.bench_function("bench_tinyset_sum", move |_| {
         assert_eq!(black_box(tiny_set).into_iter().sum::<u32>(), 45u32);
+        None
     });
 
     let v = [10u32, 14u32, 21u32];
     runner.bench_function("bench_tinyarr_sum", move |_| {
         black_box(v.iter().cloned().sum::<u32>());
+        None
     });
 
     runner.bench_function("bench_bitset_initialize", move |_| {
         black_box(BitSet::with_max_value(1_000_000));
+        None
     });
 }