diff --git a/drv/lpc55-gpio/src/main.rs b/drv/lpc55-gpio/src/main.rs
index 03fb031af7..8957477320 100644
--- a/drv/lpc55-gpio/src/main.rs
+++ b/drv/lpc55-gpio/src/main.rs
@@ -55,7 +55,7 @@ struct ServerImpl<'a> {
     inputmux: &'a device::inputmux::RegisterBlock,
 }
 
-impl ServerImpl <'_> {
+impl ServerImpl<'_> {
     fn set_pin_direction(&self, port: usize, pin: usize, dir: Direction) {
         match dir {
             Direction::Input => self.gpio.dirclr[port]
@@ -64,7 +64,6 @@ impl ServerImpl <'_> {
                 .write(|w| unsafe { w.dirsetp().bits(1 << pin) }),
         }
     }
-
 }
 
 impl idl::InOrderPinsImpl for ServerImpl<'_> {
@@ -174,7 +173,8 @@ impl idl::InOrderPinsImpl for ServerImpl<'_> {
                 syscon.enable_clock(Peripheral::Mux);
                 syscon.leave_reset(Peripheral::Mux);
                 unsafe {
-                    self.inputmux.pintsel[pint_slot as usize].write(|w| w.bits(pin as u32));
+                    self.inputmux.pintsel[pint_slot as usize]
+                        .write(|w| w.bits(pin as u32));
                 }
                 syscon.disable_clock(Peripheral::Mux);
 
@@ -289,7 +289,6 @@ impl idl::InOrderPinsImpl for ServerImpl<'_> {
         let status = self.pint.ist.read().bits() & pint_mask;
         Ok(status)
     }
-
 }
 
 impl NotificationHandler for ServerImpl<'_> {
diff --git a/drv/lpc55-sprot-server/src/main.rs b/drv/lpc55-sprot-server/src/main.rs
index dbf7f94b50..db56a0f88a 100644
--- a/drv/lpc55-sprot-server/src/main.rs
+++ b/drv/lpc55-sprot-server/src/main.rs
@@ -56,9 +56,7 @@ use drv_sprot_api::{
 };
 use lpc55_pac as device;
 use ringbuf::{ringbuf, ringbuf_entry};
-use userlib::{
-    sys_irq_control, sys_recv_notification, task_slot, UnwrapLite,
-};
+use userlib::{sys_irq_control, sys_recv_notification, task_slot, UnwrapLite};
 
 mod handler;
 
diff --git a/task/button-api/src/lib.rs b/task/button-api/src/lib.rs
index 8914a49983..9a0e2d1f7a 100644
--- a/task/button-api/src/lib.rs
+++ b/task/button-api/src/lib.rs
@@ -6,8 +6,8 @@
 
 #![no_std]
 
-use userlib::{sys_send, FromPrimitive};
 use derive_idol_err::IdolError;
+use userlib::{sys_send, FromPrimitive};
 
 #[derive(Copy, Clone, Debug, FromPrimitive, IdolError, counters::Count)]
 pub enum ButtonError {
diff --git a/task/button/build.rs b/task/button/build.rs
index a62e30c36b..1127157906 100644
--- a/task/button/build.rs
+++ b/task/button/build.rs
@@ -3,8 +3,8 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 use anyhow::Result;
-use idol::{server::ServerStyle, CounterSettings};
 use build_lpc55pins::PinConfig;
+use idol::{server::ServerStyle, CounterSettings};
 use serde::Deserialize;
 
 #[derive(Deserialize)]
diff --git a/task/button/src/main.rs b/task/button/src/main.rs
index 7ade1a96af..1db0316639 100644
--- a/task/button/src/main.rs
+++ b/task/button/src/main.rs
@@ -21,7 +21,9 @@ use idol_runtime::{
 // use serde::Deserialize;
 // use zerocopy::AsBytes;
 use crate::idl::INCOMING_SIZE;
-use userlib::{set_timer_relative, sys_set_timer, task_slot, UnwrapLite, sys_irq_control};
+use userlib::{
+    set_timer_relative, sys_irq_control, sys_set_timer, task_slot, UnwrapLite,
+};
 
 // Time is in approximate ms
 const ON_DELAY: u32 = 1 * 1000;
@@ -222,9 +224,6 @@ impl NotificationHandler for ButtonServer {
 
 #[export_name = "main"]
 fn main() -> ! {
-    // XXX Safety, if all else fails, then waiting a minute longer after reset
-    // may help us get a debugger in there.
-    // hl::sleep_for(60000);
     let mut buffer = [0u8; INCOMING_SIZE];
 
     let gpio_driver = GPIO.get_task_id();
diff --git a/task/hiffy/src/lpc55.rs b/task/hiffy/src/lpc55.rs
index b202cd7eeb..ea6d4f0e2d 100644
--- a/task/hiffy/src/lpc55.rs
+++ b/task/hiffy/src/lpc55.rs
@@ -244,7 +244,16 @@ fn gpio_configure(
     let task = GPIO.get_task_id();
     let gpio = drv_lpc55_gpio_api::Pins::from(task);
 
-    gpio.iocon_configure(pin, alt, mode, slew, invert, digimode, opendrain, PintSlot::None);
+    gpio.iocon_configure(
+        pin,
+        alt,
+        mode,
+        slew,
+        invert,
+        digimode,
+        opendrain,
+        PintSlot::None,
+    );
 
     Ok(0)
 }