diff --git a/lib/std/crypto/benchmark.zig b/lib/std/crypto/benchmark.zig
index 2cc49344b39108a118c000506b531e7520d91047..014a7d3558e1a2cd0d3131be834261d97416b613 100644
--- a/lib/std/crypto/benchmark.zig
+++ b/lib/std/crypto/benchmark.zig
@@ -454,8 +454,8 @@ fn benchmarkPwhash(
 
     const strHash = ty.strHash;
     const strHashFnInfo = @typeInfo(@TypeOf(strHash)).@"fn";
-    const needs_io = strHashFnInfo.params.len == 4 and strHashFnInfo.params[3].type == std.Io;
-    const needs_salt = strHashFnInfo.params.len == 4 and strHashFnInfo.params[3].type != std.Io;
+    const needs_io = strHashFnInfo.param_types.len == 4 and strHashFnInfo.param_types[3].? == std.Io;
+    const needs_salt = strHashFnInfo.param_types.len == 4 and strHashFnInfo.param_types[3].? != std.Io;
     const salt: [16]u8 = @splat(0);
 
     const start = benchTime(io);
diff --git a/lib/std/crypto/kangarootwelve.zig b/lib/std/crypto/kangarootwelve.zig
index 735d476591854adae4ea5a4a417a3ce6d8a67b86..b71d3c093d2fe980eb94781bbdb87705eb5c6f27 100644
--- a/lib/std/crypto/kangarootwelve.zig
+++ b/lib/std/crypto/kangarootwelve.zig
@@ -885,7 +885,7 @@ fn ktMultiThreaded(
 
         var select_outstanding: usize = 0;
         var select: Select = .init(io, select_buf);
-        defer select.cancel();
+        defer select.cancelDiscard();
         var batches_spawned: usize = 0;
         var next_to_process: usize = 0;