diff --git a/Cargo.lock b/Cargo.lock
index ba36c805..0ed4d8cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -652,7 +652,7 @@ dependencies = [
 
 [[package]]
 name = "tai64"
-version = "2.0.1"
+version = "3.0.0"
 dependencies = [
  "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickcheck 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/tai64/CHANGES.md b/tai64/CHANGES.md
index ea90926c..01298da0 100644
--- a/tai64/CHANGES.md
+++ b/tai64/CHANGES.md
@@ -1,3 +1,7 @@
+## [3.0.0] (2019-08-19)
+
+- Remove `failure` ([#245])
+
 ## [2.0.1] (2019-05-24)
 
 - Test all crates on Rust 1.35.0 ([#206])
@@ -36,6 +40,8 @@
 
 - Initial release
 
+[3.0.0]: https://github.com/iqlusioninc/crates/pull/250
+[#245]: https://github.com/iqlusioninc/crates/pull/245
 [2.0.1]: https://github.com/iqlusioninc/crates/pull/208
 [#206]: https://github.com/iqlusioninc/crates/pull/206
 [2.0.0]: https://github.com/iqlusioninc/crates/pull/197
diff --git a/tai64/Cargo.toml b/tai64/Cargo.toml
index 4ca5490f..da71e4ca 100644
--- a/tai64/Cargo.toml
+++ b/tai64/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name        = "tai64"
 description = "TAI64 and TAI64N (i.e. Temps Atomique International) timestamp support for Rust"
-version     = "2.0.1" # Also update html_root_url in lib.rs when bumping this
+version     = "3.0.0" # Also update html_root_url in lib.rs when bumping this
 authors     = ["Tony Arcieri <tony@iqlusion.io>", "sopium <sopium@mysterious.site>"]
 license     = "Apache-2.0"
 edition     = "2018"
diff --git a/tai64/README.md b/tai64/README.md
index 0bf91429..5c9fbf93 100644
--- a/tai64/README.md
+++ b/tai64/README.md
@@ -3,7 +3,7 @@
 [![Crate][crate-image]][crate-link]
 [![Docs][docs-image]][docs-link]
 [![Apache 2.0 Licensed][license-image]][license-link]
-![Rust 1.35+][rustc-image]
+![MSRV][rustc-image]
 [![Safety Dance][safety-image]][safety-link]
 [![Build Status][build-image]][build-link]
 [![Gitter Chat][gitter-image]][gitter-link]
@@ -18,7 +18,7 @@ Supports converting to/from Rust's built-in [SystemTime] type and optionally to
 
 ## Requirements
 
-- Rust 1.35+
+- Rust **1.36+**
 
 ## License
 
@@ -48,7 +48,7 @@ without any additional terms or conditions.
 [docs-link]: https://docs.rs/tai64/
 [license-image]: https://img.shields.io/badge/license-Apache2.0-blue.svg
 [license-link]: https://github.com/iqlusioninc/crates/blob/develop/LICENSE
-[rustc-image]: https://img.shields.io/badge/rustc-1.35+-blue.svg
+[rustc-image]: https://img.shields.io/badge/rustc-1.36+-blue.svg
 [safety-image]: https://img.shields.io/badge/unsafe-forbidden-success.svg
 [safety-link]: https://github.com/rust-secure-code/safety-dance/
 [build-image]: https://travis-ci.com/iqlusioninc/crates.svg?branch=develop
diff --git a/tai64/src/lib.rs b/tai64/src/lib.rs
index c82f4925..75712960 100644
--- a/tai64/src/lib.rs
+++ b/tai64/src/lib.rs
@@ -1,9 +1,9 @@
 //! TAI64(N) timestamp generation, parsing and calculation.
 
 #![no_std]
-#![deny(warnings, missing_docs, unused_import_braces, unused_qualifications)]
+#![deny(warnings, missing_docs, rust_2018_idioms, unused_qualifications)]
 #![forbid(unsafe_code)]
-#![doc(html_root_url = "https://docs.rs/tai64/2.0.1")]
+#![doc(html_root_url = "https://docs.rs/tai64/3.0.0")]
 
 #[cfg(feature = "chrono")]
 use chrono::{DateTime, NaiveDateTime, Utc};
@@ -293,7 +293,7 @@ pub enum Error {
 }
 
 impl fmt::Display for Error {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let description = match self {
             Error::LengthInvalid => "length invalid",
             Error::NanosInvalid => "invalid number of nanoseconds",