diff --git a/.azure/azure-pipelines.yml b/.azure/azure-pipelines.yml
index b384e8df38..851259b43e 100644
--- a/.azure/azure-pipelines.yml
+++ b/.azure/azure-pipelines.yml
@@ -20,6 +20,9 @@ steps:
       export PATH=$HOME/.cargo/bin:$PATH
       rustc -Vv
       echo "##vso[task.prependpath]$HOME/.cargo/bin"
+      rustup component add rustfmt --toolchain `cat rust-toolchain`
     displayName: Install Rust
   - bash: RUSTFLAGS="-D warnings" cargo test --all-features
     displayName: Run tests
+  - bash: cargo fmt --all -- --check
+    displayName: Lint
diff --git a/src/commands/cd.rs b/src/commands/cd.rs
index a84e66fce9..92875c2733 100644
--- a/src/commands/cd.rs
+++ b/src/commands/cd.rs
@@ -10,8 +10,7 @@ impl WholeStreamCommand for CD {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("cd")
-            .optional("directory", SyntaxType::Path)
+        Signature::build("cd").optional("directory", SyntaxType::Path)
     }
 
     fn usage(&self) -> &str {
diff --git a/src/commands/date.rs b/src/commands/date.rs
index 7d3307fe58..2d16ec6c55 100644
--- a/src/commands/date.rs
+++ b/src/commands/date.rs
@@ -1,5 +1,5 @@
-use crate::errors::ShellError;
 use crate::data::{Dictionary, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 use chrono::{DateTime, Local, Utc};
 
diff --git a/src/commands/exit.rs b/src/commands/exit.rs
index feed8f7c4f..8a382d8b7d 100644
--- a/src/commands/exit.rs
+++ b/src/commands/exit.rs
@@ -11,8 +11,7 @@ impl WholeStreamCommand for Exit {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("exit")
-            .switch("now")
+        Signature::build("exit").switch("now")
     }
 
     fn usage(&self) -> &str {
diff --git a/src/commands/first.rs b/src/commands/first.rs
index 6381d5def6..a3575b7fea 100644
--- a/src/commands/first.rs
+++ b/src/commands/first.rs
@@ -16,8 +16,7 @@ impl WholeStreamCommand for First {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("first")
-            .required("amount", SyntaxType::Literal)
+        Signature::build("first").required("amount", SyntaxType::Literal)
     }
 
     fn usage(&self) -> &str {
diff --git a/src/commands/from_bson.rs b/src/commands/from_bson.rs
index e2f5421bd9..12f92965a1 100644
--- a/src/commands/from_bson.rs
+++ b/src/commands/from_bson.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ExpectedRange;
 use crate::data::{Primitive, TaggedDictBuilder, Value};
+use crate::errors::ExpectedRange;
 use crate::prelude::*;
 use bson::{decode_document, spec::BinarySubtype, Bson};
 use std::str::FromStr;
diff --git a/src/commands/get.rs b/src/commands/get.rs
index 2f9ed8a32a..7f9c4f521f 100644
--- a/src/commands/get.rs
+++ b/src/commands/get.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::Value;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 pub struct Get;
diff --git a/src/commands/help.rs b/src/commands/help.rs
index 571868a02a..f8d9b5c2fe 100644
--- a/src/commands/help.rs
+++ b/src/commands/help.rs
@@ -1,7 +1,7 @@
 use crate::commands::command::CommandAction;
 use crate::commands::PerItemCommand;
-use crate::errors::ShellError;
 use crate::data::{command_dict, TaggedDictBuilder};
+use crate::errors::ShellError;
 use crate::parser::registry;
 use crate::prelude::*;
 
diff --git a/src/commands/lines.rs b/src/commands/lines.rs
index 15a467224f..196da8802f 100644
--- a/src/commands/lines.rs
+++ b/src/commands/lines.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{Primitive, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 use log::trace;
 
diff --git a/src/commands/pick.rs b/src/commands/pick.rs
index bc5f8df401..1dce172664 100644
--- a/src/commands/pick.rs
+++ b/src/commands/pick.rs
@@ -1,7 +1,7 @@
 use crate::commands::WholeStreamCommand;
 use crate::context::CommandRegistry;
-use crate::errors::ShellError;
 use crate::data::base::select_fields;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 #[derive(Deserialize)]
diff --git a/src/commands/post.rs b/src/commands/post.rs
index 8790c929a7..e1001b98d2 100644
--- a/src/commands/post.rs
+++ b/src/commands/post.rs
@@ -1,7 +1,7 @@
 use crate::commands::UnevaluatedCallInfo;
 use crate::context::SpanSource;
-use crate::errors::ShellError;
 use crate::data::Value;
+use crate::errors::ShellError;
 use crate::parser::hir::SyntaxType;
 use crate::parser::registry::Signature;
 use crate::prelude::*;
diff --git a/src/commands/reject.rs b/src/commands/reject.rs
index 49dbc4dd36..3ad7de9fa6 100644
--- a/src/commands/reject.rs
+++ b/src/commands/reject.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::base::reject_fields;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 #[derive(Deserialize)]
diff --git a/src/commands/save.rs b/src/commands/save.rs
index 26bf8cb16d..2fd26defeb 100644
--- a/src/commands/save.rs
+++ b/src/commands/save.rs
@@ -1,6 +1,6 @@
 use crate::commands::{UnevaluatedCallInfo, WholeStreamCommand};
-use crate::errors::ShellError;
 use crate::data::Value;
+use crate::errors::ShellError;
 use crate::prelude::*;
 use std::path::{Path, PathBuf};
 
diff --git a/src/commands/shells.rs b/src/commands/shells.rs
index 856c23e7be..078040412b 100644
--- a/src/commands/shells.rs
+++ b/src/commands/shells.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::TaggedDictBuilder;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 pub struct Shells;
diff --git a/src/commands/size.rs b/src/commands/size.rs
index d8383efcf8..43829d524e 100644
--- a/src/commands/size.rs
+++ b/src/commands/size.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{TaggedDictBuilder, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 pub struct Size;
diff --git a/src/commands/split_column.rs b/src/commands/split_column.rs
index 2df02cac16..d057a3dd21 100644
--- a/src/commands/split_column.rs
+++ b/src/commands/split_column.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{Primitive, TaggedDictBuilder, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 use log::trace;
 
@@ -40,7 +40,11 @@ impl WholeStreamCommand for SplitColumn {
 }
 
 fn split_column(
-    SplitColumnArgs { separator, rest, collapse_empty}: SplitColumnArgs,
+    SplitColumnArgs {
+        separator,
+        rest,
+        collapse_empty,
+    }: SplitColumnArgs,
     RunnableContext { input, name, .. }: RunnableContext,
 ) -> Result<OutputStream, ShellError> {
     Ok(input
diff --git a/src/commands/split_row.rs b/src/commands/split_row.rs
index d4f3824a80..bec18099a0 100644
--- a/src/commands/split_row.rs
+++ b/src/commands/split_row.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{Primitive, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 use log::trace;
 
@@ -17,8 +17,7 @@ impl WholeStreamCommand for SplitRow {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("split-row")
-            .required("separator", SyntaxType::Any)
+        Signature::build("split-row").required("separator", SyntaxType::Any)
     }
 
     fn usage(&self) -> &str {
diff --git a/src/commands/tags.rs b/src/commands/tags.rs
index 3f112482ca..179700a9e3 100644
--- a/src/commands/tags.rs
+++ b/src/commands/tags.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{TaggedDictBuilder, Value};
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 pub struct Tags;
diff --git a/src/commands/trim.rs b/src/commands/trim.rs
index 865f6b50bb..00a978e83c 100644
--- a/src/commands/trim.rs
+++ b/src/commands/trim.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::Value;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 pub struct Trim;
diff --git a/src/commands/version.rs b/src/commands/version.rs
index a7a3578193..703c20be7a 100644
--- a/src/commands/version.rs
+++ b/src/commands/version.rs
@@ -1,6 +1,6 @@
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{Dictionary, Value};
+use crate::errors::ShellError;
 use crate::parser::registry::Signature;
 use crate::prelude::*;
 use indexmap::IndexMap;
diff --git a/src/commands/where_.rs b/src/commands/where_.rs
index b09c341b4a..2111e0687c 100644
--- a/src/commands/where_.rs
+++ b/src/commands/where_.rs
@@ -12,8 +12,7 @@ impl PerItemCommand for Where {
     }
 
     fn signature(&self) -> registry::Signature {
-        Signature::build("where")
-            .required("condition", SyntaxType::Block)
+        Signature::build("where").required("condition", SyntaxType::Block)
     }
 
     fn usage(&self) -> &str {
@@ -43,9 +42,7 @@ impl PerItemCommand for Where {
                             VecDeque::new()
                         }
                     }
-                    Err(e) => {
-                        return Err(e)
-                    }
+                    Err(e) => return Err(e),
                 }
             }
             Tagged { tag, .. } => {
diff --git a/src/commands/which_.rs b/src/commands/which_.rs
index 06c93f63f5..eea9d2becf 100644
--- a/src/commands/which_.rs
+++ b/src/commands/which_.rs
@@ -1,5 +1,5 @@
-use crate::errors::ShellError;
 use crate::data::Value;
+use crate::errors::ShellError;
 use crate::prelude::*;
 
 use crate::commands::WholeStreamCommand;
@@ -13,8 +13,7 @@ impl WholeStreamCommand for Which {
     }
 
     fn signature(&self) -> Signature {
-        Signature::build("which")
-            .required("name", SyntaxType::Any)
+        Signature::build("which").required("name", SyntaxType::Any)
     }
 
     fn usage(&self) -> &str {
diff --git a/src/lib.rs b/src/lib.rs
index a18343df9b..9ee1e9d09b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -28,8 +28,8 @@ pub use crate::parser::parse::token_tree_builder::TokenTreeBuilder;
 pub use crate::plugin::{serve_plugin, Plugin};
 pub use crate::utils::{AbsoluteFile, AbsolutePath, RelativePath};
 pub use cli::cli;
-pub use data::config::{APP_INFO, config_path};
 pub use data::base::{Primitive, Value};
+pub use data::config::{config_path, APP_INFO};
 pub use data::dict::{Dictionary, TaggedDictBuilder};
 pub use data::meta::{Span, Tag, Tagged, TaggedItem};
 pub use errors::{CoerceInto, ShellError};
diff --git a/src/parser/parse/operator.rs b/src/parser/parse/operator.rs
index 1942b6012c..82a04ed796 100644
--- a/src/parser/parse/operator.rs
+++ b/src/parser/parse/operator.rs
@@ -20,7 +20,6 @@ impl ToDebug for Operator {
 }
 
 impl Operator {
-
     pub fn print(&self) -> String {
         self.as_str().to_string()
     }
diff --git a/src/plugins/skip.rs b/src/plugins/skip.rs
index cb259e99b9..135dbbd5db 100644
--- a/src/plugins/skip.rs
+++ b/src/plugins/skip.rs
@@ -15,7 +15,7 @@ impl Skip {
 
 impl Plugin for Skip {
     fn config(&mut self) -> Result<Signature, ShellError> {
-       Ok(Signature::build("skip")
+        Ok(Signature::build("skip")
             .desc("Skip a number of rows")
             .rest(SyntaxType::Number)
             .filter())
diff --git a/src/shell.rs b/src/shell.rs
index caa1443ac7..14ec1c6755 100644
--- a/src/shell.rs
+++ b/src/shell.rs
@@ -1,9 +1,9 @@
 pub(crate) mod completer;
 pub(crate) mod filesystem_shell;
+pub(crate) mod help_shell;
 pub(crate) mod helper;
 pub(crate) mod shell;
 pub(crate) mod shell_manager;
 pub(crate) mod value_shell;
-pub(crate) mod help_shell;
 
 pub(crate) use helper::Helper;
diff --git a/src/shell/filesystem_shell.rs b/src/shell/filesystem_shell.rs
index 16cbf513f8..e746f41aaa 100644
--- a/src/shell/filesystem_shell.rs
+++ b/src/shell/filesystem_shell.rs
@@ -207,8 +207,7 @@ impl Shell for FilesystemShell {
 
         let mut stream = VecDeque::new();
 
-        stream.push_back(
-            ReturnSuccess::change_cwd(
+        stream.push_back(ReturnSuccess::change_cwd(
             path.to_string_lossy().to_string(),
         ));
 
diff --git a/tests/command_cd_tests.rs b/tests/command_cd_tests.rs
index b9ad8ca12d..e0cc60867f 100644
--- a/tests/command_cd_tests.rs
+++ b/tests/command_cd_tests.rs
@@ -31,7 +31,7 @@ fn filesystem_change_from_current_directory_using_absolute_path() {
         );
 
         assert_eq!(PathBuf::from(actual), dirs.formats());
-    }) 
+    })
 }
 
 #[test]
@@ -113,29 +113,30 @@ fn filesystem_change_to_a_directory_containing_spaces() {
             "#
         );
 
-        assert_eq!(PathBuf::from(actual), dirs.test().join("robalino turner katz"));
+        assert_eq!(
+            PathBuf::from(actual),
+            dirs.test().join("robalino turner katz")
+        );
     })
 }
 
 #[test]
 fn filesystem_directory_not_found() {
     let actual = nu_error!(
-    	cwd: "tests/fixtures",
-    	"cd dir_that_does_not_exist"
+        cwd: "tests/fixtures",
+        "cd dir_that_does_not_exist"
     );
 
     assert!(actual.contains("dir_that_does_not_exist"));
     assert!(actual.contains("directory not found"));
 }
 
-
 #[test]
 fn valuesystem_change_from_current_path_using_relative_path() {
     Playground::setup("cd_test_8", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [[bin]]
                     path = "src/plugins/turner.rs"
 
@@ -144,7 +145,7 @@ fn valuesystem_change_from_current_path_using_relative_path() {
 
                     [[bin]]
                     path = "src/plugins/katz.rs"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -164,10 +165,9 @@ fn valuesystem_change_from_current_path_using_relative_path() {
 #[test]
 fn valuesystem_change_from_current_path_using_absolute_path() {
     Playground::setup("cd_test_9", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [dependencies]
                     turner-ts = "0.1.1"
                     robalino-tkd = "0.0.1"
@@ -178,7 +178,7 @@ fn valuesystem_change_from_current_path_using_absolute_path() {
 
                     [[bin]]
                     path = "src/plugins/bbq.rs"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -193,16 +193,15 @@ fn valuesystem_change_from_current_path_using_absolute_path() {
         );
 
         assert_eq!(PathBuf::from(actual), PathBuf::from("/dependencies"));
-    }) 
+    })
 }
 
 #[test]
 fn valuesystem_switch_back_to_previous_working_path() {
     Playground::setup("cd_test_10", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [dependencies]
                     turner-ts = "0.1.1"
                     robalino-tkd = "0.0.1"
@@ -214,7 +213,7 @@ fn valuesystem_switch_back_to_previous_working_path() {
 
                     [[bin]]
                     path = "src/plugins/bbq.rs"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -267,7 +266,6 @@ fn valuesystem_change_from_current_path_using_relative_path_and_dash() {
     })
 }
 
-
 #[test]
 fn valuesystem_change_current_path_to_parent_path() {
     Playground::setup("cd_test_12", |dirs, sandbox| {
@@ -298,13 +296,12 @@ fn valuesystem_change_current_path_to_parent_path() {
 #[test]
 fn valuesystem_change_to_home_directory() {
     Playground::setup("cd_test_13", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [paquete]
                     el = "pollo loco"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -325,13 +322,12 @@ fn valuesystem_change_to_home_directory() {
 #[test]
 fn valuesystem_change_to_a_path_containing_spaces() {
     Playground::setup("cd_test_14", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     ["pa que te"]
                     el = "pollo loco"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
diff --git a/tests/command_config_test.rs b/tests/command_config_test.rs
index 41038ddb12..3321f85dc1 100644
--- a/tests/command_config_test.rs
+++ b/tests/command_config_test.rs
@@ -7,25 +7,23 @@ use std::path::PathBuf;
 
 #[test]
 fn has_default_configuration_file() {
-	let expected = "config.toml";
+    let expected = "config.toml";
 
     Playground::setup("config_test_1", |dirs, _| {
-
         nu!(cwd: dirs.root(), "config");
 
         assert_eq!(
-        	dirs.config_path().join(expected),
-        	nu::config_path().unwrap().join(expected)
+            dirs.config_path().join(expected),
+            nu::config_path().unwrap().join(expected)
         );
     })
 }
 
 #[test]
 fn shows_path_of_configuration_file() {
-	let expected = "config.toml";
+    let expected = "config.toml";
 
     Playground::setup("config_test_2", |dirs, _| {
-
         let actual = nu!(
             cwd: dirs.test(),
             "config --path | echo $it"
@@ -38,14 +36,13 @@ fn shows_path_of_configuration_file() {
 #[test]
 fn use_different_configuration() {
     Playground::setup("config_test_3", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "test_3.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "test_3.toml",
+            r#"
                     caballero_1 = "Andrés N. Robalino"
                     caballero_2 = "Jonathan Turner"
                     caballero_3 = "Yehuda katz"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -57,20 +54,19 @@ fn use_different_configuration() {
         assert_eq!(actual, "Andrés N. Robalino");
     });
 
-	h::delete_file_at(nu::config_path().unwrap().join("test_3.toml"));
+    h::delete_file_at(nu::config_path().unwrap().join("test_3.toml"));
 }
 
 #[test]
 fn sets_configuration_value() {
     Playground::setup("config_test_4", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "test_4.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "test_4.toml",
+            r#"
                     caballero_1 = "Andrés N. Robalino"
                     caballero_2 = "Jonathan Turner"
                     caballero_3 = "Yehuda katz"
-                "#
+                "#,
         )]);
 
         nu!(
@@ -79,27 +75,26 @@ fn sets_configuration_value() {
         );
 
         let actual = nu!(
-        	cwd: dirs.root(),
-        	r#"open "{}/test_4.toml" | get caballero_4 | echo $it"#,
-        	dirs.config_path()
+            cwd: dirs.root(),
+            r#"open "{}/test_4.toml" | get caballero_4 | echo $it"#,
+            dirs.config_path()
         );
 
         assert_eq!(actual, "jonas");
     });
 
-	h::delete_file_at(nu::config_path().unwrap().join("test_4.toml"));
+    h::delete_file_at(nu::config_path().unwrap().join("test_4.toml"));
 }
 
 #[test]
 fn removes_configuration_value() {
     Playground::setup("config_test_5", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "test_5.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "test_5.toml",
+            r#"
                     caballeros = [1, 1, 1]
                     podershell = [1, 1, 1]
-                "#
+                "#,
         )]);
 
         nu!(
@@ -108,13 +103,13 @@ fn removes_configuration_value() {
         );
 
         let actual = nu_error!(
-        	cwd: dirs.root(),
-        	r#"open "{}/test_5.toml" | get podershell | echo $it"#,
-        	dirs.config_path()
+            cwd: dirs.root(),
+            r#"open "{}/test_5.toml" | get podershell | echo $it"#,
+            dirs.config_path()
         );
 
         assert!(actual.contains("table missing column"));
     });
 
-	h::delete_file_at(nu::config_path().unwrap().join("test_5.toml"));
-}
\ No newline at end of file
+    h::delete_file_at(nu::config_path().unwrap().join("test_5.toml"));
+}
diff --git a/tests/command_ls_tests.rs b/tests/command_ls_tests.rs
index 8ec1d035dc..f6f5f39f86 100644
--- a/tests/command_ls_tests.rs
+++ b/tests/command_ls_tests.rs
@@ -6,11 +6,10 @@ use helpers::{Playground, Stub::*};
 #[test]
 fn ls_lists_regular_files() {
     Playground::setup("ls_test_1", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![
-                EmptyFile("yehuda.10.txt"),
-                EmptyFile("jonathan.10.txt"),
-                EmptyFile("andres.10.txt"),
+        sandbox.with_files(vec![
+            EmptyFile("yehuda.10.txt"),
+            EmptyFile("jonathan.10.txt"),
+            EmptyFile("andres.10.txt"),
         ]);
 
         let actual = nu!(
@@ -34,12 +33,11 @@ fn ls_lists_regular_files() {
 #[test]
 fn ls_lists_regular_files_using_asterisk_wildcard() {
     Playground::setup("ls_test_2", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![
-                EmptyFile("los.1.txt"),
-                EmptyFile("tres.1.txt"),
-                EmptyFile("amigos.1.txt"),
-                EmptyFile("arepas.1.clu"),
+        sandbox.with_files(vec![
+            EmptyFile("los.1.txt"),
+            EmptyFile("tres.1.txt"),
+            EmptyFile("amigos.1.txt"),
+            EmptyFile("arepas.1.clu"),
         ]);
 
         let actual = nu!(
@@ -63,12 +61,11 @@ fn ls_lists_regular_files_using_asterisk_wildcard() {
 #[test]
 fn ls_lists_regular_files_using_question_mark_wildcard() {
     Playground::setup("ls_test_3", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![
-                EmptyFile("yehuda.10.txt"),
-                EmptyFile("jonathan.10.txt"),
-                EmptyFile("andres.10.txt"),
-                EmptyFile("chicken_not_to_be_picked_up.100.txt"),
+        sandbox.with_files(vec![
+            EmptyFile("yehuda.10.txt"),
+            EmptyFile("jonathan.10.txt"),
+            EmptyFile("andres.10.txt"),
+            EmptyFile("chicken_not_to_be_picked_up.100.txt"),
         ]);
 
         let actual = nu!(
diff --git a/tests/command_mv_tests.rs b/tests/command_mv_tests.rs
index 61ce842759..1d01e23329 100644
--- a/tests/command_mv_tests.rs
+++ b/tests/command_mv_tests.rs
@@ -26,11 +26,7 @@ fn moves_a_file() {
 #[test]
 fn overwrites_if_moving_to_existing_file() {
     Playground::setup("mv_test_2", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![
-                EmptyFile("andres.txt"),
-                EmptyFile("jonathan.txt")
-        ]);
+        sandbox.with_files(vec![EmptyFile("andres.txt"), EmptyFile("jonathan.txt")]);
 
         let original = dirs.test().join("andres.txt");
         let expected = dirs.test().join("jonathan.txt");
@@ -142,7 +138,7 @@ fn moves_using_path_with_wildcard() {
                 EmptyFile("sgml_description.json"),
                 EmptyFile("sample.ini"),
                 EmptyFile("utf16.ini"),
-                EmptyFile("yehuda.ini")
+                EmptyFile("yehuda.ini"),
             ])
             .mkdir("work_dir")
             .mkdir("expected");
@@ -150,10 +146,7 @@ fn moves_using_path_with_wildcard() {
         let work_dir = dirs.test().join("work_dir");
         let expected = dirs.test().join("expected");
 
-        nu!(
-            cwd: work_dir,
-            "mv ../originals/*.ini ../expected"
-        );
+        nu!(cwd: work_dir, "mv ../originals/*.ini ../expected");
 
         assert!(h::files_exist_at(
             vec!["yehuda.ini", "jonathan.ini", "sample.ini", "andres.ini",],
@@ -170,7 +163,7 @@ fn moves_using_a_glob() {
             .with_files(vec![
                 EmptyFile("arepa.txt"),
                 EmptyFile("empanada.txt"),
-                EmptyFile("taquiza.txt")
+                EmptyFile("taquiza.txt"),
             ])
             .mkdir("work_dir")
             .mkdir("expected");
@@ -179,10 +172,7 @@ fn moves_using_a_glob() {
         let work_dir = dirs.test().join("work_dir");
         let expected = dirs.test().join("expected");
 
-        nu!(
-            cwd: work_dir,
-            "mv ../meals/* ../expected"
-        );
+        nu!(cwd: work_dir, "mv ../meals/* ../expected");
 
         assert!(meal_dir.exists());
         assert!(h::files_exist_at(
diff --git a/tests/command_rm_tests.rs b/tests/command_rm_tests.rs
index 568219e170..9317b586a3 100644
--- a/tests/command_rm_tests.rs
+++ b/tests/command_rm_tests.rs
@@ -6,9 +6,7 @@ use helpers::{Playground, Stub::*};
 #[test]
 fn rm_removes_a_file() {
     Playground::setup("rm_test_1", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![EmptyFile("i_will_be_deleted.txt")
-        ]);
+        sandbox.with_files(vec![EmptyFile("i_will_be_deleted.txt")]);
 
         nu!(
             cwd: dirs.root(),
@@ -29,7 +27,7 @@ fn rm_removes_files_with_wildcard() {
             .with_files(vec![
                 EmptyFile("cli.rs"),
                 EmptyFile("lib.rs"),
-                EmptyFile("prelude.rs")
+                EmptyFile("prelude.rs"),
             ])
             .within("src/parser")
             .with_files(vec![EmptyFile("parse.rs"), EmptyFile("parser.rs")])
@@ -38,8 +36,8 @@ fn rm_removes_files_with_wildcard() {
             .within("src/parser/hir")
             .with_files(vec![
                 EmptyFile("baseline_parse.rs"),
-                EmptyFile("baseline_parse_tokens.rs")
-        ]);
+                EmptyFile("baseline_parse_tokens.rs"),
+            ]);
 
         nu!(
             cwd: dirs.test(),
@@ -70,7 +68,7 @@ fn rm_removes_deeply_nested_directories_with_wildcard_and_recursive_flag() {
             .with_files(vec![
                 EmptyFile("cli.rs"),
                 EmptyFile("lib.rs"),
-                EmptyFile("prelude.rs")
+                EmptyFile("prelude.rs"),
             ])
             .within("src/parser")
             .with_files(vec![EmptyFile("parse.rs"), EmptyFile("parser.rs")])
@@ -79,8 +77,8 @@ fn rm_removes_deeply_nested_directories_with_wildcard_and_recursive_flag() {
             .within("src/parser/hir")
             .with_files(vec![
                 EmptyFile("baseline_parse.rs"),
-                EmptyFile("baseline_parse_tokens.rs")
-        ]);
+                EmptyFile("baseline_parse_tokens.rs"),
+            ]);
 
         nu!(
             cwd: dirs.test(),
@@ -109,11 +107,10 @@ fn rm_removes_directory_contents_without_recursive_flag_if_empty() {
 #[test]
 fn rm_removes_directory_contents_with_recursive_flag() {
     Playground::setup("rm_test_5", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![
-                EmptyFile("yehuda.txt"),
-                EmptyFile("jonathan.txt"),
-                EmptyFile("andres.txt")
+        sandbox.with_files(vec![
+            EmptyFile("yehuda.txt"),
+            EmptyFile("jonathan.txt"),
+            EmptyFile("andres.txt"),
         ]);
 
         nu!(
@@ -128,9 +125,7 @@ fn rm_removes_directory_contents_with_recursive_flag() {
 #[test]
 fn rm_errors_if_attempting_to_delete_a_directory_with_content_without_recursive_flag() {
     Playground::setup("rm_test_6", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![EmptyFile("some_empty_file.txt")
-        ]);
+        sandbox.with_files(vec![EmptyFile("some_empty_file.txt")]);
 
         let actual = nu_error!(
             cwd: dirs.root(),
diff --git a/tests/external_tests.rs b/tests/external_tests.rs
index 7aabd592db..0d810acac1 100644
--- a/tests/external_tests.rs
+++ b/tests/external_tests.rs
@@ -3,8 +3,8 @@ mod helpers;
 #[test]
 fn external_command() {
     let actual = nu!(
-    	cwd: "tests/fixtures",
-    	"echo 1"
+        cwd: "tests/fixtures",
+        "echo 1"
     );
 
     assert!(actual.contains("1"));
diff --git a/tests/filter_inc_tests.rs b/tests/filter_inc_tests.rs
index 9ef0b311e6..658e24308b 100644
--- a/tests/filter_inc_tests.rs
+++ b/tests/filter_inc_tests.rs
@@ -15,13 +15,12 @@ fn can_only_apply_one() {
 #[test]
 fn by_one_with_field_passed() {
     Playground::setup("plugin_inc_test_1", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     edition = "2018"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -36,13 +35,12 @@ fn by_one_with_field_passed() {
 #[test]
 fn by_one_with_no_field_passed() {
     Playground::setup("plugin_inc_test_2", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     contributors = "2"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -57,13 +55,12 @@ fn by_one_with_no_field_passed() {
 #[test]
 fn semversion_major_inc() {
     Playground::setup("plugin_inc_test_3", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     version = "0.1.3"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -78,13 +75,12 @@ fn semversion_major_inc() {
 #[test]
 fn semversion_minor_inc() {
     Playground::setup("plugin_inc_test_4", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     version = "0.1.3"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -99,13 +95,12 @@ fn semversion_minor_inc() {
 #[test]
 fn semversion_patch_inc() {
     Playground::setup("plugin_inc_test_5", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     version = "0.1.3"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
@@ -120,13 +115,12 @@ fn semversion_patch_inc() {
 #[test]
 fn semversion_without_passing_field() {
     Playground::setup("plugin_inc_test_6", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     version = "0.1.3"
-                "#
+                "#,
         )]);
 
         let actual = nu!(
diff --git a/tests/filter_str_tests.rs b/tests/filter_str_tests.rs
index 03c9d63532..e26a18850e 100644
--- a/tests/filter_str_tests.rs
+++ b/tests/filter_str_tests.rs
@@ -1,7 +1,7 @@
 mod helpers;
 
-use helpers as h;
 use h::{Playground, Stub::*};
+use helpers as h;
 
 #[test]
 fn can_only_apply_one() {
@@ -39,10 +39,9 @@ fn acts_without_passing_field() {
 #[test]
 fn downcases() {
     Playground::setup("plugin_str_test_2", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [dependency]
                     name = "LIGHT"
                 "#,
@@ -60,10 +59,9 @@ fn downcases() {
 #[test]
 fn upcases() {
     Playground::setup("plugin_str_test_3", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     name = "nushell"
                 "#,
@@ -98,10 +96,9 @@ fn converts_to_int() {
 #[test]
 fn replaces() {
     Playground::setup("plugin_str_test_4", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [package]
                     name = "nushell"
                 "#,
@@ -124,10 +121,9 @@ fn replaces() {
 #[test]
 fn find_and_replaces() {
     Playground::setup("plugin_str_test_5", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
-                "sample.toml",
-                r#"
+        sandbox.with_files(vec![FileWithContent(
+            "sample.toml",
+            r#"
                     [fortune.teller]
                     phone = "1-800-KATZ"
                 "#,
@@ -150,10 +146,9 @@ fn find_and_replaces() {
 #[test]
 fn find_and_replaces_without_passing_field() {
     Playground::setup("plugin_str_test_6", |dirs, sandbox| {
-        sandbox
-            .with_files(vec![FileWithContent(
+        sandbox.with_files(vec![FileWithContent(
             "sample.toml",
-                r#"
+            r#"
                     [fortune.teller]
                     phone = "1-800-KATZ"
                 "#,