diff --git a/src/command/build.rs b/src/command/build.rs
index f46d2116..9e81c653 100644
--- a/src/command/build.rs
+++ b/src/command/build.rs
@@ -38,6 +38,8 @@ pub enum BuildMode {
     /// Don't install tools like `wasm-bindgen`, just use the global
     /// environment's existing versions to do builds.
     Noinstall,
+    /// Skip the rustc version check
+    Force,
 }
 
 impl Default for BuildMode {
@@ -52,6 +54,7 @@ impl FromStr for BuildMode {
         match s {
             "no-install" => Ok(BuildMode::Noinstall),
             "normal" => Ok(BuildMode::Normal),
+            "force" => Ok(BuildMode::Force),
             _ => Error::crate_config(&format!("Unknown build mode: {}", s)).map(|_| unreachable!()),
         }
     }
@@ -175,6 +178,13 @@ impl Build {
                 step_copy_readme,
                 step_run_wasm_bindgen
             ],
+            BuildMode::Force => steps![
+                step_build_wasm,
+                step_create_dir,
+                step_create_json,
+                step_copy_readme,
+                step_run_wasm_bindgen
+            ],
         }
     }
 
@@ -255,6 +265,7 @@ impl Build {
         info!(&log, "Installing wasm-bindgen-cli...");
         let install_permitted = match self.mode {
             BuildMode::Normal => true,
+            BuildMode::Force => true,
             BuildMode::Noinstall => false,
         };
         bindgen::install_wasm_bindgen(
diff --git a/src/command/test.rs b/src/command/test.rs
index ed803dc3..6ad3e7ae 100644
--- a/src/command/test.rs
+++ b/src/command/test.rs
@@ -185,6 +185,7 @@ impl Test {
         }
         match self.mode {
             BuildMode::Normal => steps![
+                step_check_rustc_version,
                 step_check_crate_config,
                 step_add_wasm_target,
                 step_build_tests,
@@ -197,6 +198,18 @@ impl Test {
                 step_get_safaridriver if self.safari && self.safaridriver.is_none(),
                 step_test_safari if self.safari,
             ],
+            BuildMode::Force => steps![
+                step_add_wasm_target,
+                step_build_tests,
+                step_install_wasm_bindgen,
+                step_test_node if self.node,
+                step_get_chromedriver if self.chrome && self.chromedriver.is_none(),
+                step_test_chrome if self.chrome,
+                step_get_geckodriver if self.firefox && self.geckodriver.is_none(),
+                step_test_firefox if self.firefox,
+                step_get_safaridriver if self.safari && self.safaridriver.is_none(),
+                step_test_safari if self.safari,
+            ],
             BuildMode::Noinstall => steps![
                 step_check_crate_config,
                 step_build_tests,
@@ -212,6 +225,13 @@ impl Test {
         }
     }
 
+    fn step_check_rustc_version(&mut self, step: &Step, log: &Logger) -> Result<(), Error> {
+        info!(log, "Checking rustc version...");
+        let _ = build::check_rustc_version(step)?;
+        info!(log, "Rustc version is correct.");
+        Ok(())
+    }
+
     fn step_check_crate_config(&mut self, step: &Step, log: &Logger) -> Result<(), Error> {
         info!(log, "Checking crate configuration...");
         manifest::check_crate_config(&self.crate_path, step)?;
@@ -263,6 +283,10 @@ impl Test {
                 info!(&log, "Ensuring wasm-bindgen-cli is installed...");
                 true
             }
+            BuildMode::Force => {
+                info!(&log, "Ensuring wasm-bindgen-cli is installed...");
+                true
+            }
             BuildMode::Noinstall => {
                 info!(&log, "Searching for existing wasm-bindgen-cli install...");
                 false
diff --git a/src/test/webdriver.rs b/src/test/webdriver.rs
index f507775b..5668f6a4 100644
--- a/src/test/webdriver.rs
+++ b/src/test/webdriver.rs
@@ -19,6 +19,7 @@ pub fn get_or_install_chromedriver(
     match (mode, bin_path(log, crate_path, "chromedriver")) {
         (_, Some(path)) => Ok(path),
         (BuildMode::Normal, None) => install_chromedriver(crate_path),
+        (BuildMode::Force, None) => install_chromedriver(crate_path),
         (BuildMode::Noinstall, None) => Error::crate_config(
             "No crate-local `chromedriver` binary found, and could not find a global \
              `chromedriver` on the `$PATH`. Not installing `chromedriver` because of noinstall \
@@ -69,6 +70,7 @@ pub fn get_or_install_geckodriver(
     match (mode, bin_path(log, crate_path, "geckodriver")) {
         (_, Some(path)) => Ok(path),
         (BuildMode::Normal, None) => install_geckodriver(crate_path),
+        (BuildMode::Force, None) => install_geckodriver(crate_path),
         (BuildMode::Noinstall, None) => Error::crate_config(
             "No crate-local `geckodriver` binary found, and could not find a global `geckodriver` \
              on the `$PATH`. Not installing `geckodriver` because of noinstall mode.",