diff --git a/codegen/src/main.rs b/codegen/src/main.rs
index 4ba5681b..bd1cdd73 100644
--- a/codegen/src/main.rs
+++ b/codegen/src/main.rs
@@ -1,8 +1,9 @@
+extern crate linked_hash_map;
+extern crate marksman_escape;
 extern crate phf_codegen;
 extern crate regex;
-extern crate marksman_escape;
-extern crate linked_hash_map;
 
+#[allow(unused_imports)]
 use std::ascii::AsciiExt;
 use std::path::Path;
 
diff --git a/codegen/src/type_gen.rs b/codegen/src/type_gen.rs
index 70f206db..81b356b3 100644
--- a/codegen/src/type_gen.rs
+++ b/codegen/src/type_gen.rs
@@ -1,8 +1,9 @@
 use regex::Regex;
+#[allow(unused_imports)]
 use std::ascii::AsciiExt;
 use std::collections::BTreeMap;
 use std::fs::File;
-use std::io::{Write, BufWriter};
+use std::io::{BufWriter, Write};
 use std::path::Path;
 use marksman_escape::Escape;
 
@@ -164,12 +165,13 @@ pub enum Inner {{"
 }
 
 fn make_impl(w: &mut BufWriter<File>, types: &BTreeMap<u32, Type>) {
-    write!(w,
-"impl Inner {{
+    write!(
+        w,
+        "impl Inner {{
     pub fn from_oid(oid: Oid) -> Option<Inner> {{
         match oid {{
 ",
-           ).unwrap();
+    ).unwrap();
 
     for (oid, type_) in types {
         write!(
@@ -181,15 +183,16 @@ fn make_impl(w: &mut BufWriter<File>, types: &BTreeMap<u32, Type>) {
         ).unwrap();
     }
 
-    write!(w,
-"            _ => None,
+    write!(
+        w,
+        "            _ => None,
         }}
     }}
 
     pub fn oid(&self) -> Oid {{
         match *self {{
 ",
-           ).unwrap();
+    ).unwrap();
 
 
     for (oid, type_) in types {
@@ -202,15 +205,16 @@ fn make_impl(w: &mut BufWriter<File>, types: &BTreeMap<u32, Type>) {
         ).unwrap();
     }
 
-    write!(w,
-"            Inner::Other(ref u) => u.oid,
+    write!(
+        w,
+        "            Inner::Other(ref u) => u.oid,
         }}
     }}
 
     pub fn kind(&self) -> &Kind {{
         match *self {{
 ",
-           ).unwrap();
+    ).unwrap();
 
     for type_ in types.values() {
         let kind = match type_.kind {
@@ -232,15 +236,16 @@ fn make_impl(w: &mut BufWriter<File>, types: &BTreeMap<u32, Type>) {
         ).unwrap();
     }
 
-    write!(w,
-r#"            Inner::Other(ref u) => &u.kind,
+    write!(
+        w,
+        r#"            Inner::Other(ref u) => &u.kind,
         }}
     }}
 
     pub fn name(&self) -> &str {{
         match *self {{
 "#,
-          ).unwrap();
+    ).unwrap();
 
     for type_ in types.values() {
         write!(
@@ -263,25 +268,26 @@ r#"            Inner::Other(ref u) => &u.kind,
 }
 
 fn make_consts(w: &mut BufWriter<File>, types: &BTreeMap<u32, Type>) {
-    write!(w,
-"pub mod consts {{
+    write!(
+        w,
+        "pub mod consts {{
     use types::Type;
     use types::type_gen::Inner;
 ",
-           ).unwrap();
+    ).unwrap();
 
     for type_ in types.values() {
-        write!(w,
-"
+        write!(
+            w,
+            "
     /// {docs}
     pub const {ident}: Type = Type(Inner::{variant});
 ",
-        docs = type_.doc,
-        ident = type_.ident,
-        variant = type_.variant).unwrap();
+            docs = type_.doc,
+            ident = type_.ident,
+            variant = type_.variant
+        ).unwrap();
     }
 
-    write!(w,
-"}}"
-    ).unwrap();
+    write!(w, "}}").unwrap();
 }
diff --git a/postgres-shared/src/rows.rs b/postgres-shared/src/rows.rs
index 3320415e..f6b1e47f 100644
--- a/postgres-shared/src/rows.rs
+++ b/postgres-shared/src/rows.rs
@@ -1,5 +1,6 @@
 use fallible_iterator::FallibleIterator;
 use postgres_protocol::message::backend::DataRowBody;
+#[allow(unused_imports)]
 use std::ascii::AsciiExt;
 use std::io;
 use std::ops::Range;
@@ -43,9 +44,8 @@ impl Sealed for str {
         // FIXME ASCII-only case insensitivity isn't really the right thing to
         // do. Postgres itself uses a dubious wrapper around tolower and JDBC
         // uses the US locale.
-        stmt.iter().position(
-            |d| d.name().eq_ignore_ascii_case(self),
-        )
+        stmt.iter()
+            .position(|d| d.name().eq_ignore_ascii_case(self))
     }
 }
 
diff --git a/postgres/Cargo.toml b/postgres/Cargo.toml
index bf8a5f7e..bbd599e0 100644
--- a/postgres/Cargo.toml
+++ b/postgres/Cargo.toml
@@ -58,8 +58,8 @@ no-logging = []
 [dependencies]
 bytes = "0.4"
 fallible-iterator = "0.1.3"
-log = "0.3"
-socket2 = "0.2"
+log = "0.4"
+socket2 = "0.3"
 
 openssl = { version = "0.9.2", optional = true }
 native-tls = { version = "0.1", optional = true }
diff --git a/postgres/src/transaction.rs b/postgres/src/transaction.rs
index 56e467aa..e1c8ab17 100644
--- a/postgres/src/transaction.rs
+++ b/postgres/src/transaction.rs
@@ -2,9 +2,10 @@
 
 use std::cell::Cell;
 use std::fmt;
+#[allow(unused_imports)]
 use std::ascii::AsciiExt;
 
-use {bad_response, Result, Connection};
+use {bad_response, Connection, Result};
 use rows::Rows;
 use stmt::Statement;
 use types::ToSql;