fmt: since we're not longer on nightly, update how rustfmt is used

justfile

@@ -26,6 +26,10 @@ build *args:
 _lbuild:
   cargo lbuild --all
 
+# runs rustfmt with nightly to enable all its features
+fmt:
+  rustup run nightly cargo fmt
+
 # run `i3stat` in the terminal and interact with it
 dev *args: _lbuild
   cd ./scripts/node && RUST_BACKTRACE=1 RUST_LOG=i3stat=trace yarn dev "$@"

tests/i3/mod.rs

@@ -11,8 +11,15 @@ use serde_json::Value;
 use self::util::x_click;
 use crate::i3::util::MouseButton;
 use crate::util::{
-    find_object_containing, get_current_exe, get_exe, get_fakeroot_lib, get_faketime_lib,
-    wait_for_file, LogOnDropChild, Test, FAKE_TIME,
+    find_object_containing,
+    get_current_exe,
+    get_exe,
+    get_fakeroot_lib,
+    get_faketime_lib,
+    wait_for_file,
+    LogOnDropChild,
+    Test,
+    FAKE_TIME,
 };
 
 // start nested x server displays at 10

tests/spawn/mod.rs

@@ -14,7 +14,12 @@ use serde_json::Value;
 use timeout_readwrite::{TimeoutReadExt, TimeoutReader};
 
 use crate::util::{
-    get_current_exe, get_fakeroot_lib, get_faketime_lib, LogOnDropChild, Test, FAKE_TIME,
+    get_current_exe,
+    get_fakeroot_lib,
+    get_faketime_lib,
+    LogOnDropChild,
+    Test,
+    FAKE_TIME,
 };
 
 /// Convenience struct for running assertions on and communicating with a running instance of the program