diff --git a/src/binaries.rs b/src/binaries.rs
index a414405..82eacb7 100644
--- a/src/binaries.rs
+++ b/src/binaries.rs
@@ -78,7 +78,8 @@ pub fn bin_path(log: &Logger, crate_path: &Path, bin: &str) -> Option<PathBuf> {
             let p = p.canonicalize().unwrap_or(p);
             debug!(log, "Using {} binary at {}", bin, p.display());
             p
-        }).or_else(|| {
+        })
+        .or_else(|| {
             debug!(log, "Could not find {} binary.", bin);
             None
         })
@@ -124,7 +125,8 @@ fn curl(url: &str) -> Result<Vec<u8>, failure::Error> {
         Err(Error::http(&format!(
             "received a bad HTTP status code ({}) when requesting {}",
             status_code, url
-        )).into())
+        ))
+        .into())
     }
 }
 
diff --git a/src/bindgen.rs b/src/bindgen.rs
index d3d9e58..a1a1e5f 100644
--- a/src/bindgen.rs
+++ b/src/bindgen.rs
@@ -184,8 +184,10 @@ fn wasm_bindgen_version_check(bindgen_path: &PathBuf, dep_version: &str, log: &L
                         dep_version
                     );
                     v == dep_version
-                }).unwrap_or(false)
-        }).unwrap_or(false)
+                })
+                .unwrap_or(false)
+        })
+        .unwrap_or(false)
 }
 
 /// Return a `PathBuf` containing the path to either the local wasm-bindgen
diff --git a/src/command/test.rs b/src/command/test.rs
index 5ef88fe..1bf2e97 100644
--- a/src/command/test.rs
+++ b/src/command/test.rs
@@ -126,14 +126,16 @@ impl Test {
         if !node && !any_browser {
             return Error::crate_config(
                 "Must specify at least one of `--node`, `--chrome`, `--firefox`, or `--safari`",
-            ).map(|_| unreachable!());
+            )
+            .map(|_| unreachable!());
         }
 
         if headless && !any_browser {
             return Error::crate_config(
                 "The `--headless` flag only applies to browser tests. Node does not provide a UI, \
                  so it doesn't make sense to talk about a headless version of Node tests.",
-            ).map(|_| unreachable!());
+            )
+            .map(|_| unreachable!());
         }
 
         Ok(Test {
diff --git a/src/lockfile.rs b/src/lockfile.rs
index 2ed5110..e016802 100644
--- a/src/lockfile.rs
+++ b/src/lockfile.rs
@@ -69,7 +69,8 @@ fn get_lockfile_path(crate_path: &Path) -> Result<PathBuf, Error> {
     let crate_root = cargo_metadata::metadata(Some(&manifest))
         .map_err(|_| Error::CrateConfig {
             message: String::from("Error while processing crate metadata"),
-        })?.workspace_root;
+        })?
+        .workspace_root;
     // Check that a lock file can be found in the directory. Return an error
     // if it cannot, otherwise return the path buffer.
     let lockfile_path = Path::new(&crate_root).join("Cargo.lock");
diff --git a/src/manifest/mod.rs b/src/manifest/mod.rs
index eb2744c..4b559db 100644
--- a/src/manifest/mod.rs
+++ b/src/manifest/mod.rs
@@ -81,7 +81,8 @@ fn read_cargo_toml(path: &Path) -> Result<CargoManifest, Error> {
         return Error::crate_config(&format!(
             "Crate directory is missing a `Cargo.toml` file; is `{}` the wrong directory?",
             path.display()
-        )).map(|_| unreachable!());
+        ))
+        .map(|_| unreachable!());
     }
     let mut cargo_file = File::open(manifest_path)?;
     let mut cargo_contents = String::new();
diff --git a/src/test/webdriver.rs b/src/test/webdriver.rs
index 5668f6a..ad83e3c 100644
--- a/src/test/webdriver.rs
+++ b/src/test/webdriver.rs
@@ -24,7 +24,8 @@ pub fn get_or_install_chromedriver(
             "No crate-local `chromedriver` binary found, and could not find a global \
              `chromedriver` on the `$PATH`. Not installing `chromedriver` because of noinstall \
              mode.",
-        ).map(|_| unreachable!()),
+        )
+        .map(|_| unreachable!()),
     }
 }
 
@@ -74,7 +75,8 @@ pub fn get_or_install_geckodriver(
         (BuildMode::Noinstall, None) => Error::crate_config(
             "No crate-local `geckodriver` binary found, and could not find a global `geckodriver` \
              on the `$PATH`. Not installing `geckodriver` because of noinstall mode.",
-        ).map(|_| unreachable!()),
+        )
+        .map(|_| unreachable!()),
     }
 }
 
diff --git a/tests/all/build.rs b/tests/all/build.rs
index 3c35873..69a9bab 100644
--- a/tests/all/build.rs
+++ b/tests/all/build.rs
@@ -9,7 +9,8 @@ fn build_in_non_crate_directory_doesnt_panic() {
         "wasm-pack",
         "build",
         &fixture.path.display().to_string(),
-    ]).unwrap();
+    ])
+    .unwrap();
     let logger = logger::new(&cli.cmd, cli.verbosity).unwrap();
     let result = command::run_wasm_pack(cli.cmd, &logger);
     assert!(
diff --git a/tests/all/lockfile.rs b/tests/all/lockfile.rs
index 1ee6e3b..0752145 100644
--- a/tests/all/lockfile.rs
+++ b/tests/all/lockfile.rs
@@ -27,7 +27,8 @@ fn it_gets_wasm_bindgen_version_in_crate_inside_workspace() {
                 [workspace]
                 members = ["./blah"]
             "#,
-        ).file(
+        )
+        .file(
             "blah/Cargo.toml",
             r#"
                 [package]
@@ -44,7 +45,8 @@ fn it_gets_wasm_bindgen_version_in_crate_inside_workspace() {
                 [dependencies]
                 wasm-bindgen = "=0.2.21"
             "#,
-        ).file(
+        )
+        .file(
             "blah/src/lib.rs",
             r#"
                 extern crate wasm_bindgen;
@@ -69,7 +71,8 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
                 [workspace]
                 members = ["./parent", "./child"]
             "#,
-        ).file(
+        )
+        .file(
             "child/Cargo.toml",
             r#"
                 [package]
@@ -86,7 +89,8 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
                 [dependencies]
                 wasm-bindgen = "=0.2.21"
             "#,
-        ).file(
+        )
+        .file(
             "child/src/lib.rs",
             r#"
                 extern crate wasm_bindgen;
@@ -95,7 +99,8 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
                 #[wasm_bindgen]
                 pub fn hello() -> u32 { 42 }
             "#,
-        ).file(
+        )
+        .file(
             "parent/Cargo.toml",
             r#"
                 [package]
@@ -109,7 +114,8 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
                 [lib]
                 crate-type = ["cdylib"]
             "#,
-        ).file(
+        )
+        .file(
             "parent/src/lib.rs",
             r#"
                 // Just re-export all of `child`.
diff --git a/tests/all/manifest.rs b/tests/all/manifest.rs
index 7d6c8e8..1add2b7 100644
--- a/tests/all/manifest.rs
+++ b/tests/all/manifest.rs
@@ -129,7 +129,8 @@ fn it_creates_a_package_json_provided_path_with_scope() {
             false,
             "",
             &step
-        ).is_ok()
+        )
+        .is_ok()
     );
     let package_json_path = &fixture.path.join("pkg").join("package.json");
     assert!(fs::metadata(package_json_path).is_ok());
diff --git a/tests/all/test.rs b/tests/all/test.rs
index 9033c5a..54d4131 100644
--- a/tests/all/test.rs
+++ b/tests/all/test.rs
@@ -122,7 +122,8 @@ fn it_can_find_a_webdriver_on_path() {
         geckodriver_dir
             .path()
             .join(local_geckodriver.file_name().unwrap()),
-    ).unwrap();
+    )
+    .unwrap();
     fs::remove_file(&local_geckodriver).unwrap();
 
     let mut paths: Vec<_> = env::split_paths(&env::var("PATH").unwrap()).collect();
@@ -202,7 +203,8 @@ fn complains_about_missing_wasm_bindgen_test_dependency() {
                 [dev-dependencies]
                 # no wasm-bindgen-test dep here!
             "#,
-        ).hello_world_src_lib()
+        )
+        .hello_world_src_lib()
         .install_local_wasm_bindgen();
 
     let cmd = Command::Test(test::TestOptions {
diff --git a/tests/all/utils/fixture.rs b/tests/all/utils/fixture.rs
index a0fc509..c8e7611 100644
--- a/tests/all/utils/fixture.rs
+++ b/tests/all/utils/fixture.rs
@@ -152,7 +152,8 @@ impl Fixture {
             wasm_pack::bindgen::download_prebuilt_wasm_bindgen(&tests, WASM_BINDGEN_VERSION)
                 .or_else(|_| {
                     wasm_pack::bindgen::cargo_install_wasm_bindgen(&tests, WASM_BINDGEN_VERSION)
-                }).unwrap();
+                })
+                .unwrap();
         });
 
         assert!(shared_wasm_bindgen.is_file());
@@ -163,12 +164,14 @@ impl Fixture {
         hard_link_or_copy(
             &shared_wasm_bindgen,
             wasm_pack::binaries::local_bin_path(&self.path, "wasm-bindgen"),
-        ).expect("could not copy `wasm-bindgen` to fixture directory");
+        )
+        .expect("could not copy `wasm-bindgen` to fixture directory");
 
         hard_link_or_copy(
             &shared_wasm_bindgen_test_runner,
             wasm_pack::binaries::local_bin_path(&self.path, "wasm-bindgen-test-runner"),
-        ).expect("could not copy `wasm-bindgen-test` to fixture directory");
+        )
+        .expect("could not copy `wasm-bindgen-test` to fixture directory");
 
         self
     }
@@ -202,7 +205,8 @@ impl Fixture {
         hard_link_or_copy(
             &geckodriver,
             wasm_pack::binaries::local_bin_path(&self.path, "geckodriver"),
-        ).expect("could not copy `geckodriver` to fixture directory");
+        )
+        .expect("could not copy `geckodriver` to fixture directory");
 
         self
     }
@@ -236,7 +240,8 @@ impl Fixture {
         hard_link_or_copy(
             &chromedriver,
             wasm_pack::binaries::local_bin_path(&self.path, "chromedriver"),
-        ).expect("could not copy `chromedriver` to fixture directory");
+        )
+        .expect("could not copy `chromedriver` to fixture directory");
 
         self
     }
@@ -375,7 +380,8 @@ pub fn wbg_test_diff_versions() -> Fixture {
                 # wasm-bindgen-test at 0.2.19, and everything should still work.
                 wasm-bindgen-test = "0.2.19"
             "#,
-        ).file(
+        )
+        .file(
             "src/lib.rs",
             r#"
                 extern crate wasm_bindgen;
@@ -384,7 +390,8 @@ pub fn wbg_test_diff_versions() -> Fixture {
                 #[wasm_bindgen]
                 pub fn one() -> u32 { 1 }
             "#,
-        ).file(
+        )
+        .file(
             "tests/node.rs",
             r#"
                 extern crate wbg_test_diff_versions;