diff --git a/src/framework/standard/command.rs b/src/framework/standard/command.rs
index be7ec2aeda4..8afb583c8f4 100644
--- a/src/framework/standard/command.rs
+++ b/src/framework/standard/command.rs
@@ -17,6 +17,7 @@ pub type AfterHook = Fn(&mut Context, &Message, &str, Result<(), Error>) + Send
 pub(crate) type InternalCommand = Arc<Command>;
 pub type PrefixCheck = Fn(&mut Context, &Message) -> Option<String> + Send + Sync + 'static;
 
+#[derive(Debug)]
 pub enum CommandOrAlias {
     Alias(String),
     Command(InternalCommand),
@@ -41,6 +42,7 @@ pub enum CommandType {
     WithCommands(Help),
 }
 
+#[derive(Debug)]
 pub struct CommandGroup {
     pub prefix: Option<String>,
     pub commands: HashMap<String, CommandOrAlias>,
@@ -98,6 +100,25 @@ impl Command {
     }
 }
 
+impl fmt::Debug for Command {
+    // TODO: add Command::checks somehow?
+    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+        fmt.debug_struct("Command")
+            .field("bucket", &self.bucket)
+            .field("desc", &self.desc)
+            .field("example", &self.example)
+            .field("usage", &self.usage)
+            .field("min_args", &self.min_args)
+            .field("required_permissions", &self.required_permissions)
+            .field("allowed_roles", &self.allowed_roles)
+            .field("help_available", &self.help_available)
+            .field("dm_only", &self.dm_only)
+            .field("guild_only", &self.guild_only)
+            .field("owners_only", &self.owners_only)
+            .finish()
+    }
+}
+
 impl Default for Command {
     fn default() -> Command {
         Command {
diff --git a/src/framework/standard/create_command.rs b/src/framework/standard/create_command.rs
index c1558ce31ce..4788a05fe4e 100644
--- a/src/framework/standard/create_command.rs
+++ b/src/framework/standard/create_command.rs
@@ -5,6 +5,7 @@ use std::sync::Arc;
 use client::Context;
 use model::{Message, Permissions};
 
+#[derive(Debug)]
 pub struct CreateCommand(pub Command);
 
 impl CreateCommand {
diff --git a/src/internal/timer.rs b/src/internal/timer.rs
index 6a8bf7485d3..68d817a1046 100644
--- a/src/internal/timer.rs
+++ b/src/internal/timer.rs
@@ -2,6 +2,7 @@ use chrono::{DateTime, Duration, Utc};
 use std::thread;
 use std::time::Duration as StdDuration;
 
+#[derive(Debug)]
 pub struct Timer {
     due: DateTime<Utc>,
     duration: Duration,
diff --git a/src/model/utils.rs b/src/model/utils.rs
index fd103c0cc70..26ec7fe4de0 100644
--- a/src/model/utils.rs
+++ b/src/model/utils.rs
@@ -187,6 +187,7 @@ pub fn user_has_perms(channel_id: ChannelId, mut permissions: Permissions) -> Re
     Ok(permissions.is_empty())
 }
 
+#[derive(Debug)]
 pub struct U16Visitor;
 
 impl<'de> Visitor<'de> for U16Visitor {
@@ -216,6 +217,7 @@ impl<'de> Visitor<'de> for U16Visitor {
     fn visit_u64<E: DeError>(self, v: u64) -> StdResult<Self::Value, E> { Ok(v as u16) }
 }
 
+#[derive(Debug)]
 pub struct U64Visitor;
 
 impl<'de> Visitor<'de> for U64Visitor {
diff --git a/src/utils/message_builder.rs b/src/utils/message_builder.rs
index 284ba1e9699..c00cd0a41be 100644
--- a/src/utils/message_builder.rs
+++ b/src/utils/message_builder.rs
@@ -767,7 +767,7 @@ pub enum ContentModifier {
 }
 
 /// Describes formatting on string content
-#[derive(Default, Clone)]
+#[derive(Debug, Default, Clone)]
 pub struct Content {
     pub italic: bool,
     pub bold: bool,
@@ -912,15 +912,15 @@ impl From<ContentModifier> for Content {
 mod private {
     use super::{Content, ContentModifier};
     use std::fmt;
-    
+
     pub trait A {}
-    
+
     impl A for ContentModifier {}
     impl A for Content {}
     impl<T: fmt::Display> A for T {}
 }
 
-    
+
 /// This trait only exists as way to bypass the shouting of the compiler. Specifically "conflicting
 /// implementations in core" and alike.
 /// However is not meant to be used outside.
@@ -940,7 +940,7 @@ impl<T: fmt::Display> I for T {
         }
     }
 }
-    
+
 impl I for ContentModifier {
     fn into(self) -> Content { self.to_content() }
 }