diff --git a/Package@swift-5.6.swift b/Package@swift-5.6.swift
new file mode 100644
index 00000000..f8dccfbd
--- /dev/null
+++ b/Package@swift-5.6.swift
@@ -0,0 +1,33 @@
+// swift-tools-version:5.6
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift Logging API open source project
+//
+// Copyright (c) 2018-2019 Apple Inc. and the Swift Logging API project authors
+// Licensed under Apache License v2.0
+//
+// See LICENSE.txt for license information
+// See CONTRIBUTORS.txt for the list of Swift Logging API project authors
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+//===----------------------------------------------------------------------===//
+
+import PackageDescription
+
+let package = Package(
+    name: "swift-log",
+    products: [
+        .library(name: "Logging", targets: ["Logging"]),
+    ],
+    targets: [
+        .target(
+            name: "Logging",
+            dependencies: []
+        ),
+        .testTarget(
+            name: "LoggingTests",
+            dependencies: ["Logging"]
+        ),
+    ]
+)
diff --git a/Sources/Logging/Documentation.docc/Logger.md b/Sources/Logging/Documentation.docc/Logger.md
new file mode 100644
index 00000000..c9ceda42
--- /dev/null
+++ b/Sources/Logging/Documentation.docc/Logger.md
@@ -0,0 +1,13 @@
+# ``Logging/Logger/Level``
+
+## Topics
+
+### Log levels
+
+- ``trace``
+- ``debug``
+- ``info``
+- ``notice``
+- ``warning``
+- ``error``
+- ``critical``
diff --git a/docker/docker-compose.2004.56.yaml b/docker/docker-compose.2004.56.yaml
index 76366ee8..9b025bb4 100644
--- a/docker/docker-compose.2004.56.yaml
+++ b/docker/docker-compose.2004.56.yaml
@@ -11,7 +11,8 @@ services:
 
   test:
     image: swift-log:20.04-5.6
-    environment: []
+    environment:
+      - FORCE_TEST_DISCOVERY=--enable-test-discovery
       #- SANITIZER_ARG=--sanitize=thread
 
   shell:
diff --git a/docker/docker-compose.2004.57.yaml b/docker/docker-compose.2004.57.yaml
index 13a8d05f..94c5b5a0 100644
--- a/docker/docker-compose.2004.57.yaml
+++ b/docker/docker-compose.2004.57.yaml
@@ -10,7 +10,8 @@ services:
 
   test:
     image: swift-log:20.04-5.7
-    environment: []
+    environment:
+      - FORCE_TEST_DISCOVERY=--enable-test-discovery
       #- SANITIZER_ARG=--sanitize=thread
 
   shell:
diff --git a/docker/docker-compose.2004.main.yaml b/docker/docker-compose.2004.main.yaml
index 377cd272..e73688eb 100644
--- a/docker/docker-compose.2004.main.yaml
+++ b/docker/docker-compose.2004.main.yaml
@@ -10,7 +10,8 @@ services:
 
   test:
     image: swift-log:20.04-main
-    environment: []
+    environment:
+      - FORCE_TEST_DISCOVERY=--enable-test-discovery
       #- SANITIZER_ARG=--sanitize=thread
 
   shell:
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index 69ab5c73..3d52128b 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -28,7 +28,7 @@ services:
 
   test:
     <<: *common
-    command: /bin/bash -xcl "swift test -Xswiftc -warnings-as-errors $${SANITIZER_ARG-}"
+    command: /bin/bash -xcl "swift test -Xswiftc -warnings-as-errors $${FORCE_TEST_DISCOVERY-} $${SANITIZER_ARG-}"
 
   # util
 
diff --git a/scripts/soundness.sh b/scripts/soundness.sh
index f2a00dc4..acde75e9 100755
--- a/scripts/soundness.sh
+++ b/scripts/soundness.sh
@@ -86,7 +86,7 @@ for language in swift-or-c bash dtrace; do
   matching_files=( -name '*' )
   case "$language" in
       swift-or-c)
-        exceptions=( -name c_nio_http_parser.c -o -name c_nio_http_parser.h -o -name cpp_magic.h -o -name Package.swift -o -name CNIOSHA1.h -o -name c_nio_sha1.c -o -name ifaddrs-android.c -o -name ifaddrs-android.h)
+        exceptions=( -name c_nio_http_parser.c -o -name c_nio_http_parser.h -o -name cpp_magic.h -o -name Package.swift -o name Package-swift5.6.swift -o -name CNIOSHA1.h -o -name c_nio_sha1.c -o -name ifaddrs-android.c -o -name ifaddrs-android.h)
         matching_files=( -name '*.swift' -o -name '*.c' -o -name '*.h' )
         cat > "$tmp" <<"EOF"
 //===----------------------------------------------------------------------===//