diff --git a/math/fib/src/main.rs b/math/fib/src/main.rs
index ac3d1bc..74985d6 100644
--- a/math/fib/src/main.rs
+++ b/math/fib/src/main.rs
@@ -31,28 +31,28 @@ interface (Sequence ℕ) 0 1");
 
     let mut f0 = unsafe { File::from_raw_fd(0) };
     eprintln!("
-> 0: n
+>0: n
   ( ℕ )
   ( MachineInt )
   ( MachineWord )
-  ( Pipe Shot MachineWord )
+  ( Stream MachineSyllab )
 ");
 
     let mut f1 = unsafe { File::from_raw_fd(1) };
     eprintln!("
-< 1: n'th fibonacci number
+<1: n'th fibonacci number
   ( ℕ )
   ( MachineInt )
   ( MachineWord )
-  ( Pipe Shot MachineWord )
+  ( Stream MachineSyllab )
 ");
 
     nested::magic_header();
 
     let mut bytes = [0 as u8; 8];
-    f0.read_exact(&mut bytes);
+    f0.read_exact(&mut bytes).expect("");
     let n = u64::from_le_bytes(bytes);
     bytes = fib(n).to_le_bytes();
-    f1.write(&bytes);
+    f1.write(&bytes).expect("");
 }
 
diff --git a/math/int2str/src/main.rs b/math/int2str/src/main.rs
index 1722b3e..abb96b2 100644
--- a/math/int2str/src/main.rs
+++ b/math/int2str/src/main.rs
@@ -1,7 +1,7 @@
 
 use std::{
     fs::File,
-    io::{Read, Write},
+    io::{Read},
     os::unix::io::FromRawFd
 };
 
@@ -32,7 +32,7 @@ fn main() {
     nested::magic_header();
 
     let mut bytes = [0 as u8; 8];
-    f0.read_exact(&mut bytes);
+    f0.read_exact(&mut bytes).expect("");
     println!("{}", u64::from_le_bytes(bytes));
 }
 
diff --git a/math/radix_transform/src/main.rs b/math/radix_transform/src/main.rs
index b2abba6..fe904bd 100644
--- a/math/radix_transform/src/main.rs
+++ b/math/radix_transform/src/main.rs
@@ -1,18 +1,11 @@
 
 use {
-    std::sync::{Arc, RwLock},
     nested::{
         core::{
-            View,
             ViewPort,
-            Observer,
-            ObserverBroadcast,
-            InnerViewPort,
-            OuterViewPort,
-            TypeTerm,
             TypeDict
         },
-        sequence::{SequenceView, VecBuffer},
+        sequence::{VecBuffer},
         integer::{RadixProjection}
     }
 };
@@ -102,7 +95,7 @@ async fn main() {
 
     let mut src_digits = VecBuffer::<usize>::new(src_digits_port.inner());
 
-    let proj = RadixProjection::new(
+    let _proj = RadixProjection::new(
         src_radix,
         dst_radix,
         src_digits_port.outer().to_sequence(),
@@ -110,10 +103,8 @@ async fn main() {
     );
 
     // output dst digits
-    let writer = {
+    let _writer = {
         use std::{
-            fs::File,
-            io::{Read, Write},
             os::unix::io::FromRawFd
         };
 
@@ -123,8 +114,6 @@ async fn main() {
     // start reading src digits
     {
         use async_std::{
-            fs::File,
-            io::{Read, Write},
             os::unix::io::FromRawFd
         };
 
diff --git a/math/str2int/src/main.rs b/math/str2int/src/main.rs
index ad22e83..b35989e 100644
--- a/math/str2int/src/main.rs
+++ b/math/str2int/src/main.rs
@@ -46,15 +46,15 @@ $1: radix
     args.next().expect("Arg $0 missing!");
 
     let radix_str = args.next().expect("Arg $1 required!");
-    
+
     let radix = u32::from_str_radix(&radix_str, 10).expect("could not parse radix");
     if radix > 16 {
         panic!("invalid radix! (radix<=16 required)");
     }
-    
+
     let mut chars = Vec::new();
-    f0.read_to_end(&mut chars);
+    f0.read_to_end(&mut chars).expect("");
     chars.retain(|c| (*c as char).is_alphanumeric());
-    f1.write(&u64::from_str_radix(&String::from_utf8_lossy(&chars), radix).unwrap().to_le_bytes());
+    f1.write(&u64::from_str_radix(&String::from_utf8_lossy(&chars), radix).unwrap().to_le_bytes()).expect("");
 }
 
diff --git a/nested/src/core/context.rs b/nested/src/core/context.rs
index 0765d95..bc02cf3 100644
--- a/nested/src/core/context.rs
+++ b/nested/src/core/context.rs
@@ -1,13 +1,11 @@
 use {
     std::{
         collections::HashMap,
-        sync::{Arc, RwLock},
-        any::Any
+        sync::{Arc, RwLock}
     },
     crate::{
         core::{
             type_term::{
-                TypeID,
                 TypeTerm,
                 TypeDict
             },
@@ -194,8 +192,8 @@ impl Object {
     // replace with higher-level type in which self is a repr branch
     pub fn epi_cast<'a>(
         &self,
-        type_ladder: impl Iterator<Item = TypeTerm>,
-        morphism_constructors: &HashMap<MorphismType, Box<dyn Fn(Object) -> Object>>
+        _type_ladder: impl Iterator<Item = TypeTerm>,
+        _morphism_constructors: &HashMap<MorphismType, Box<dyn Fn(Object) -> Object>>
     ) {
         // todo        
     }
@@ -288,7 +286,6 @@ impl Context {
                     type_tag,
                     repr: Arc::new(RwLock::new(ReprTree::new()))
                 }
-
             }
         );
     }
@@ -341,8 +338,8 @@ impl Context {
         typename: &str
     ) {
         let dst_type = self.type_dict.type_term_from_str(typename).unwrap();
-        let mut old_obj = self.objects.get(&name.to_string()).unwrap().clone();
-        let mut new_obj =
+        let old_obj = self.objects.get(&name.to_string()).unwrap().clone();
+        let new_obj =
             if let Some(ctor) = self.morphism_constructors.get(
                 &MorphismType {
                     mode: MorphismMode::Epi,
@@ -387,29 +384,6 @@ impl Context {
             None
         }
     }
-
-/*
-    pub fn _default_repr<'a>(
-        &mut self,
-        name: &String,
-        type_ladder: impl Iterator<Item = &'a str>
-    ) -> AnyOuterViewPort {
-        for (i, type_term) in type_ladder.rev().enumerate() {
-            match i {
-                0 => {
-                    if let Some(constructor) = self.default_constructors.get(&type_term) {
-                        self.add_repr()
-                    } else {
-                        panic!("cannot find matching default constructor!");
-                    }
-                }
-                _n => {
-                    
-                }
-            }
-        }
-    }
-     */
 }
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
diff --git a/nested/src/core/type_term.rs b/nested/src/core/type_term.rs
index 784791d..180d66b 100644
--- a/nested/src/core/type_term.rs
+++ b/nested/src/core/type_term.rs
@@ -1,10 +1,6 @@
 use {
     std::{
-        sync::Arc,
-        any::Any,
-        ops::Deref,
-        collections::HashMap,
-        iter::Peekable
+        collections::HashMap
     },
     crate::{
         bimap::Bimap,
@@ -32,7 +28,7 @@ impl TypeTerm {
     }
 
     pub fn arg(&mut self, t: TypeTerm) -> &mut Self {
-        if let TypeTerm::Type{ id, args } = self {
+        if let TypeTerm::Type{ id: _, args } = self {
             args.push(t);
         }
 
@@ -54,7 +50,7 @@ impl TypeTerm {
                 ")" => {
                     let t = term_stack.pop().unwrap();
                     if term_stack.len() > 0 {
-                        let mut f = term_stack.last_mut().unwrap();
+                        let f = term_stack.last_mut().unwrap();
                         if let Some(f) = f {
                             f.arg(t.unwrap());
                         } else {
@@ -65,7 +61,7 @@ impl TypeTerm {
                     }
                 },
                 atom => {
-                    let mut f = term_stack.last_mut().unwrap();
+                    let f = term_stack.last_mut().unwrap();
 
                     match f {
                         Some(f) =>
diff --git a/nested/src/integer/add.rs b/nested/src/integer/add.rs
index 9ba42d4..e093577 100644
--- a/nested/src/integer/add.rs
+++ b/nested/src/integer/add.rs
@@ -1,7 +1,7 @@
 use {
     std::sync::{Arc, RwLock},
     crate::{
-        core::{InnerViewPort, OuterViewPort, ObserverBroadcast},
+        core::{InnerViewPort, OuterViewPort},
         sequence::{SequenceView, VecBuffer},
         projection::ProjectionHelper
     }
@@ -43,7 +43,7 @@ pub struct Add {
     a: Arc<dyn SequenceView<Item = usize>>, // PosInt, Little Endian
     b: Arc<dyn SequenceView<Item = usize>>, // PosInt, Little Endian
     c: VecBuffer<usize>,
-    proj_helper: ProjectionHelper<Self>
+    _proj_helper: ProjectionHelper<Self>
 }
 
 impl Add {
@@ -60,7 +60,7 @@ impl Add {
                 a: proj_helper.new_sequence_arg(a, |s: &mut Self, _digit_idx| s.update()),
                 b: proj_helper.new_sequence_arg(b, |s: &mut Self, _digit_idx| s.update()),
                 c: VecBuffer::new(c),
-                proj_helper
+                _proj_helper: proj_helper
             }
         ));
         add
diff --git a/nested/src/integer/radix.rs b/nested/src/integer/radix.rs
index 606f8b3..9f3169c 100644
--- a/nested/src/integer/radix.rs
+++ b/nested/src/integer/radix.rs
@@ -2,10 +2,7 @@ use {
     std::sync::{Arc, RwLock},
     crate::{
         core::{
-            View,
-            ViewPort,
             Observer,
-            ObserverBroadcast,
             InnerViewPort,
             OuterViewPort
         },
@@ -63,7 +60,7 @@ impl RadixProjection {
         }        
     }
 
-    fn update_dst_digit(&mut self, idx: usize) {
+    fn _update_dst_digit(&mut self, _idx: usize) {
         /*
         let v = 0; // calculate new digit value
 
@@ -85,7 +82,7 @@ impl Observer<dyn SequenceView<Item = usize>> for RadixProjection {
         self.src_digits = view;
     }
 
-    fn notify(&self, idx: &usize) {
+    fn notify(&self, _idx: &usize) {
         // todo:
         // src digit i changed.
         // which dst-digits does it affect?
diff --git a/nested/src/leveled_term_view.rs b/nested/src/leveled_term_view.rs
index 8686502..a4d8ff4 100644
--- a/nested/src/leveled_term_view.rs
+++ b/nested/src/leveled_term_view.rs
@@ -1,7 +1,6 @@
 use {
     std::{
-        sync::{Arc},
-        collections::HashSet
+        sync::{Arc}
     },
     std::sync::RwLock,
     cgmath::Point2,
@@ -9,7 +8,7 @@ use {
         core::{ViewPort, Observer, ObserverExt, ObserverBroadcast, InnerViewPort, OuterViewPort},
         index::{ImplIndexView},
         terminal::{TerminalAtom, TerminalView, TerminalStyle},
-        projection::{ProjectionHelper, ProjectionArg}
+        projection::{ProjectionHelper}
     }
 };
 
diff --git a/nested/src/lib.rs b/nested/src/lib.rs
index e9c4c1a..58f6e5e 100644
--- a/nested/src/lib.rs
+++ b/nested/src/lib.rs
@@ -1,5 +1,4 @@
 #![feature(trait_alias)]
-#![feature(non_ascii_idents)]
 
 pub mod core;
 pub mod projection;
diff --git a/nested/src/projection.rs b/nested/src/projection.rs
index 45f3391..e6a8803 100644
--- a/nested/src/projection.rs
+++ b/nested/src/projection.rs
@@ -9,7 +9,16 @@ use {
     },
     std::sync::RwLock,
     crate::{
-        core::{View, Observer, ObserverExt, OuterViewPort, channel::{channel, ChannelData, ChannelSender, ChannelReceiver}},
+        core::{
+            View,
+            Observer, ObserverExt,
+            OuterViewPort,
+            channel::{
+                channel,
+                ChannelData,
+                ChannelSender
+            }
+        },
         singleton::{SingletonView},
         sequence::{SequenceView},
         index::{IndexView}
@@ -90,14 +99,7 @@ impl<P: Send + Sync + 'static> ProjectionHelper<P> {
         async_std::task::spawn(async move {
             while let Some(msg) = rx.next().await {
                 if let Some(proj) = proj.read().unwrap().upgrade() {
-                    loop {
-                        if let Ok(p) = proj.try_write().as_mut() {
-                            notify(&mut *p, &msg);
-                            break;
-                        }
-
-                        async_std::task::yield_now();
-                    }
+                    notify(&mut *proj.write().unwrap(), &msg);
                 }
             }
         });
diff --git a/nested/src/sequence/flatten.rs b/nested/src/sequence/flatten.rs
index ab1dec9..30fc68b 100644
--- a/nested/src/sequence/flatten.rs
+++ b/nested/src/sequence/flatten.rs
@@ -1,13 +1,13 @@
 use {
     async_std::stream::StreamExt,
     std::{
-        sync::{Arc, Weak},
+        sync::{Arc},
         collections::{HashMap, HashSet}
     },
     std::sync::RwLock,
     crate::{
         core::{
-            View, Observer, ObserverExt, ObserverBroadcast,
+            View, Observer, ObserverBroadcast, ObserverExt,
             ViewPort, InnerViewPort, OuterViewPort,
             channel::{ChannelSender, ChannelReceiver}
         },
@@ -34,7 +34,7 @@ where V1: SequenceView<Item = OuterViewPort<V2>> + ?Sized + 'static,
     top: Arc<RwLock<TopObserver<V1, V2>>>,
     chunks: HashMap<usize, Arc<RwLock<BotObserver<V2>>>>,
 
-    cast: Arc<RwLock<ObserverBroadcast<dyn SequenceView<Item = V2::Item>>>>
+    _cast: Arc<RwLock<ObserverBroadcast<dyn SequenceView<Item = V2::Item>>>>
 }
 
 struct TopObserver<V1, V2>
@@ -130,7 +130,7 @@ where V1: SequenceView<Item = OuterViewPort<V2>> + ?Sized + 'static,
             length: 0,
             top: top_obs.clone(),
             chunks: HashMap::new(),
-            cast: out_port.get_broadcast()
+            _cast: out_port.get_broadcast()
         }));
 
         let f = flat.clone();
diff --git a/nested/src/sequence/map.rs b/nested/src/sequence/map.rs
index dc2d1c1..79eb93b 100644
--- a/nested/src/sequence/map.rs
+++ b/nested/src/sequence/map.rs
@@ -5,7 +5,7 @@ use {
         sequence::{SequenceView},
         core::{
             Observer, ObserverExt, ObserverBroadcast,
-            View, ViewPort, InnerViewPort, OuterViewPort
+            View, ViewPort, OuterViewPort
         }
     }
 };
diff --git a/nested/src/sequence/vec_buffer.rs b/nested/src/sequence/vec_buffer.rs
index 04643c4..371fcb8 100644
--- a/nested/src/sequence/vec_buffer.rs
+++ b/nested/src/sequence/vec_buffer.rs
@@ -7,7 +7,7 @@ use {
     std::sync::RwLock,
     async_std::{
         io::{Read, ReadExt},
-        stream::{Stream, StreamExt}
+        stream::{StreamExt}
     },
     serde::{Serialize, Deserialize, de::DeserializeOwned},
     crate::{
@@ -101,24 +101,24 @@ where T: Clone + Serialize + Send + Sync + 'static,
         self.data = view;
         let mut out = self.out.write().unwrap();
 
-        out.write(&bincode::serialized_size(&VecDiff::<T>::Clear).unwrap().to_le_bytes());
-        out.write(&bincode::serialize(&VecDiff::<T>::Clear).unwrap());
+        out.write(&bincode::serialized_size(&VecDiff::<T>::Clear).unwrap().to_le_bytes()).expect("");
+        out.write(&bincode::serialize(&VecDiff::<T>::Clear).unwrap()).expect("");
 
         if let Some(data) = self.data.as_ref() {
             for x in data.read().unwrap().iter() {
-                out.write(&bincode::serialized_size(&VecDiff::Push(x)).unwrap().to_le_bytes());
-                out.write(&bincode::serialize(&VecDiff::Push(x)).unwrap());
+                out.write(&bincode::serialized_size(&VecDiff::Push(x)).unwrap().to_le_bytes()).expect("");
+                out.write(&bincode::serialize(&VecDiff::Push(x)).unwrap()).expect("");
             }
         }
 
-        out.flush();
+        out.flush().expect("");
     }
 
     fn notify(&self, diff: &VecDiff<T>) {
         let mut out = self.out.write().unwrap();
-        out.write(&bincode::serialized_size(diff).unwrap().to_le_bytes());
-        out.write(&bincode::serialize(diff).unwrap());
-        out.flush();
+        out.write(&bincode::serialized_size(diff).unwrap().to_le_bytes()).expect("");
+        out.write(&bincode::serialize(diff).unwrap()).expect("");
+        out.flush().expect("");
     }
 }
 
@@ -129,23 +129,23 @@ where T: Clone + Serialize + Send + Sync + 'static,
     fn reset(&mut self, view: Option<Arc<RwLock<Vec<T>>>>) {
         self.data = view;
 
-        self.out.write().unwrap().write(&serde_json::to_string(&VecDiff::<T>::Clear).unwrap().as_bytes());
-        self.out.write().unwrap().write(b"\n");
+        self.out.write().unwrap().write(&serde_json::to_string(&VecDiff::<T>::Clear).unwrap().as_bytes()).expect("");
+        self.out.write().unwrap().write(b"\n").expect("");
 
         if let Some(data) = self.data.as_ref() {
             for x in data.read().unwrap().iter() {
-                self.out.write().unwrap().write(&serde_json::to_string(&VecDiff::Push(x)).unwrap().as_bytes());
-                self.out.write().unwrap().write(b"\n");
+                self.out.write().unwrap().write(&serde_json::to_string(&VecDiff::Push(x)).unwrap().as_bytes()).expect("");
+                self.out.write().unwrap().write(b"\n").expect("");
             }
         }
 
-        self.out.write().unwrap().flush();
+        self.out.write().unwrap().flush().expect("");
     }
 
     fn notify(&self, diff: &VecDiff<T>) {
-        self.out.write().unwrap().write(serde_json::to_string(diff).unwrap().as_bytes());
-        self.out.write().unwrap().write(b"\n");
-        self.out.write().unwrap().flush();
+        self.out.write().unwrap().write(serde_json::to_string(diff).unwrap().as_bytes()).expect("");
+        self.out.write().unwrap().write(b"\n").expect("");
+        self.out.write().unwrap().flush().expect("");
     }
 }
 
diff --git a/nested/src/singleton/mod.rs b/nested/src/singleton/mod.rs
index 932b214..b18ac46 100644
--- a/nested/src/singleton/mod.rs
+++ b/nested/src/singleton/mod.rs
@@ -52,21 +52,14 @@ where V::Item: Default{
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
 /*
-pub trait ImplSingletonView : Send + Sync {
-    type Item;
+impl<T> OuterViewPort<dyn SingletonView<Item = T>> {
+    pub fn get(&self) -> T {
+        self.get_view().unrwap().read().unwrap().get();
+    }
 
-    fn get(&self) -> Self::Item;
-}
-
-impl<V: ImplSingletonView> View for V {
-    type Msg = ();
-}
-
-impl<V: ImplSingletonView> SingletonView for V {
-    type Item = V::Item;
-
-    fn get(&self) -> Self::Item {
-        (self as &V).get()
+    pub fn map<U: Send + Sync + 'static>(&self, f: impl Fn(T) -> U) -> OuterViewPort<dyn SingletonView<Item = U>> {
+        
     }
 }
-*/
+ */
+
diff --git a/nested/src/string_editor.rs b/nested/src/string_editor.rs
index addeecf..3e610aa 100644
--- a/nested/src/string_editor.rs
+++ b/nested/src/string_editor.rs
@@ -100,9 +100,7 @@ pub mod insert_view {
     use {
         std::{
             sync::Arc,
-            cmp::{min, max},
-            any::Any,
-            collections::HashSet
+            cmp::{min, max}
         },
         cgmath::Point2,
         std::sync::RwLock,
@@ -113,7 +111,7 @@ pub mod insert_view {
             singleton::{SingletonView},
             sequence::{SequenceView},
             index::{IndexView},
-            projection::{ProjectionHelper, ProjectionArg},
+            projection::{ProjectionHelper},
         }
     };
 
@@ -144,7 +142,7 @@ pub mod insert_view {
                         if i < self.cur_pos {
                             TerminalAtom::from(data.get(&i)?)
                         } else if i == self.cur_pos {
-                            TerminalAtom::new('|', TerminalStyle::fg_color((200, 0, 0)))
+                            TerminalAtom::new('|', TerminalStyle::fg_color((0, 200, 0)))
                         } else {
                             TerminalAtom::from(data.get(&(i - 1))?)
                         }
diff --git a/nested/src/terminal/compositor.rs b/nested/src/terminal/compositor.rs
index 9c15790..0efb950 100644
--- a/nested/src/terminal/compositor.rs
+++ b/nested/src/terminal/compositor.rs
@@ -1,12 +1,11 @@
 use {
     std::{
-        sync::{Arc, Weak},
-        collections::HashMap
+        sync::{Arc}
     },
     std::sync::RwLock,
     cgmath::Point2,
     crate::{
-        core::{InnerViewPort, OuterViewPort, Observer, ObserverExt, ObserverBroadcast},
+        core::{InnerViewPort, OuterViewPort, Observer, ObserverBroadcast},
         index::{ImplIndexView},
         terminal::{TerminalAtom, TerminalView},
         projection::ProjectionHelper
diff --git a/nested/src/terminal/terminal.rs b/nested/src/terminal/terminal.rs
index 52aa0ee..eec519b 100644
--- a/nested/src/terminal/terminal.rs
+++ b/nested/src/terminal/terminal.rs
@@ -127,7 +127,8 @@ impl Observer<dyn TerminalView> for TermOutObserver {
         if let Some(view) = view {
             for pos in view.area().unwrap_or(
                 GridWindowIterator::from(
-                    Point2::new(0, 0) .. Point2::new(w as i16, h as i16)).collect()
+                    Point2::new(0, 0) .. Point2::new(w as i16, h as i16)
+                ).collect()
             ) {
                 self.dirty_pos_tx.send(pos);
             }
@@ -148,7 +149,7 @@ pub struct TermOutWriter {
 impl TermOutWriter {
     fn reset(&self) {
         let mut out = self.out.write().unwrap();
-        write!(out, "{}", termion::clear::All).ok();        
+        write!(out, "{}", termion::clear::All).ok();
     }
 }
 
diff --git a/terminal/ansi_parser/src/main.rs b/terminal/ansi_parser/src/main.rs
index 7f66b05..68d7b45 100644
--- a/terminal/ansi_parser/src/main.rs
+++ b/terminal/ansi_parser/src/main.rs
@@ -4,7 +4,7 @@ use {
     std::{
         fs::File,
         os::unix::io::FromRawFd,
-        io::{Read, Write, stdin, stdout}
+        io::{Read, Write, stdin}
     },
     nested::{
         terminal::{
@@ -39,7 +39,7 @@ struct PerfAtom {
 
 impl PerfAtom {
     fn write_atom(&mut self, pos: Point2<i16>, atom: Option<TerminalAtom>) {
-        self.out.write(&bincode::serialize(&(pos, atom)).unwrap());
+        self.out.write(&bincode::serialize(&(pos, atom)).unwrap()).expect("");
     }
 }
 
diff --git a/terminal/display_server/src/main.rs b/terminal/display_server/src/main.rs
index 70e7489..4b1377a 100644
--- a/terminal/display_server/src/main.rs
+++ b/terminal/display_server/src/main.rs
@@ -1,7 +1,5 @@
 use {
     std::{
-        fs::File,
-        os::unix::io::FromRawFd,
         io::{Read, Write, stdout}
     },
     nested::terminal::{
@@ -22,12 +20,7 @@ fn main() {
     let mut cur_pos = Point2::<i16>::new(0, 0);
     let mut cur_style = TerminalStyle::default();
 
-    let mut f = unsafe { File::from_raw_fd(0) };
-    let mut bytes = [0 as u8; 0xe];
-
-    
     let mut input = std::io::stdin();
-    let mut buf = [0; 2048];
 
     loop {
         match bincode::deserialize_from::<_, (Point2<i16>, Option<TerminalAtom>)>(input.by_ref()) {
@@ -39,12 +32,12 @@ fn main() {
                 if let Some(atom) = atom {
                     if cur_style != atom.style {
                         cur_style = atom.style;
-                        write!(out, "{}", atom.style);
+                        write!(out, "{}", atom.style).expect("");
                     }
 
-                    write!(out, "{}", atom.c.unwrap_or(' '));
+                    write!(out, "{}", atom.c.unwrap_or(' ')).expect("");
                 } else {
-                    write!(out, "{} ", termion::style::Reset);
+                    write!(out, "{} ", termion::style::Reset).expect("");
                     cur_style = TerminalStyle::default();
                 }
 
@@ -54,11 +47,11 @@ fn main() {
             }
             Err(err) => {
                 match *err {
-                    bincode::ErrorKind::Io(io_error) => {
+                    bincode::ErrorKind::Io(_io_error) => {
                         break
                     }
                     err => {
-                        eprintln!("deserialization error: {:?}\n{:?}", bytes, err);
+                        eprintln!("deserialization error\n{:?}", err);
                     }
                 }
                 break;