diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..457f44d
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "python.analysis.typeCheckingMode": "basic"
+}
\ No newline at end of file
diff --git a/master.cfg b/master.cfg
index bdc414e..614eadc 100644
--- a/master.cfg
+++ b/master.cfg
@@ -31,13 +31,13 @@ c["workers"] = [
     worker.Worker("worker-rust-1-65", "pass", properties={"rust_version": "1.65"}),
     worker.Worker("worker-rust-1-71", "pass", properties={"rust_version": "1.71"}),
 ]
-rust_workers = ["worker-rust-1-65"]
+rust_workers_1_65 = ["worker-rust-1-65"]
 
 if "BUILDBOT_MQ_URL" in os.environ:
     c["mq"] = {
         "type": "wamp",
         "router_url": os.environ["BUILDBOT_MQ_URL"],
-        "realm": os.environ.get("BUILDBOT_MQ_REALM", "buildbot").decode("utf-8"),
+        "realm": os.environ.get("BUILDBOT_MQ_REALM", "buildbot"),
         "debug": "BUILDBOT_MQ_DEBUG" in os.environ,
         "debug_websockets": "BUILDBOT_MQ_DEBUG" in os.environ,
         "debug_lowlevel": "BUILDBOT_MQ_DEBUG" in os.environ,
@@ -100,83 +100,97 @@ def basic_factory():
     return factory
 
 
-def append_factory(factory, name: str, workenames: list[str]):
+def append_factory(factory, name: str, workernames: list[str]):
     c["builders"].append(
-        util.BuilderConfig(name=name, workernames=workenames, factory=factory)
+        util.BuilderConfig(name=name, workernames=workernames, factory=factory)
     )
     builderNames.append(name)
 
 
-factory = basic_factory()
-factory.addStep(
-    steps.ShellCommand(
-        command=["cargo", "test"],
-        env=env,
+def cargo_test(name: str, workernames: list[str]):
+    factory = basic_factory()
+    factory.addStep(
+        steps.ShellCommand(
+            command=["cargo", "test"],
+            env=env,
+        )
     )
-)
-append_factory(factory, "cargo test", rust_workers)
+    append_factory(factory, name, workernames)
 
-factory = basic_factory()
-factory.addStep(
-    steps.ShellCommand(
-        command=[
-            "cargo",
-            "clippy",
-            "--workspace",
-            "--examples",
-            "--tests",
-            "--",
-            "--deny=warnings",
-        ],
-        env=env,
-    )
-)
-append_factory(factory, "cargo clippy", rust_workers)
 
-factory = basic_factory()
-factory.addStep(
-    steps.ShellCommand(
-        command=[
-            "cargo",
-            "doc",
-            "--workspace",
-        ],
-        env=env,
+def cargo_clippy(name: str, workernames: list[str]):
+    factory = basic_factory()
+    factory.addStep(
+        steps.ShellCommand(
+            command=[
+                "cargo",
+                "clippy",
+                "--workspace",
+                "--examples",
+                "--tests",
+                "--",
+                "--deny=warnings",
+            ],
+            env=env,
+        )
     )
-)
-factory.addStep(
-    steps.DirectoryUpload(
-        workersrc=DOC_DIR,
-        masterdest=util.Interpolate(
-            "/buildbot_share/docs/radn-rs/%(prop:rust_version)s/"
-        ),
-        url=util.Interpolate(
-            "https://radn.parrrate.ru/latest/docs/%(prop:rust_version)s/radn_rs/"
-        ),
-    )
-)
-factory.addStep(
-    steps.DirectoryUpload(
-        workersrc=DOC_DIR,
-        masterdest="/buildbot_share/docs/radn-rs/",
-        url="https://radn.parrrate.ru/latest/docs/radn_rs/",
-    )
-)
-append_factory(factory, "cargo doc", rust_workers)
+    append_factory(factory, name, workernames)
 
-factory = basic_factory()
-factory.addStep(
-    steps.ShellCommand(
-        command=[
-            "cargo",
-            "fmt",
-            "--check",
-            "--all",
-        ],
-        env=env,
+
+def cargo_fmt(name: str, workernames: list[str]):
+    factory = basic_factory()
+    factory.addStep(
+        steps.ShellCommand(
+            command=[
+                "cargo",
+                "fmt",
+                "--check",
+                "--all",
+            ],
+            env=env,
+        )
     )
-)
-append_factory(factory, "cargo fmt", rust_workers)
+    append_factory(factory, name, workernames)
+
+
+def cargo_doc(name: str, workernames: list[str], latest: bool):
+    factory = basic_factory()
+    factory.addStep(
+        steps.ShellCommand(
+            command=[
+                "cargo",
+                "doc",
+                "--workspace",
+            ],
+            env=env,
+        )
+    )
+    factory.addStep(
+        steps.DirectoryUpload(
+            workersrc=DOC_DIR,
+            masterdest=util.Interpolate(
+                "/buildbot_share/docs/radn-rs/%(prop:rust_version)s/"
+            ),
+            url=util.Interpolate(
+                "https://radn.parrrate.ru/latest/docs/%(prop:rust_version)s/radn_rs/"
+            ),
+        )
+    )
+    if latest:
+        factory.addStep(
+            steps.DirectoryUpload(
+                workersrc=DOC_DIR,
+                masterdest="/buildbot_share/docs/radn-rs/",
+                url="https://radn.parrrate.ru/latest/docs/radn_rs/",
+            )
+        )
+    append_factory(factory, name, workernames)
+
+
+cargo_test("cargo test (1.65)", rust_workers_1_65)
+cargo_clippy("cargo clippy (1.65)", rust_workers_1_65)
+cargo_fmt("cargo fmt (1.65)", rust_workers_1_65)
+cargo_doc("cargo fmt (1.65)", rust_workers_1_65, True)
 
 ####### SCHEDULERS