diff --git a/.drone.yml b/.drone.yml
index 807d6c991..b6fa86db5 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -29,7 +29,6 @@ steps:
     environment:
       LEMMY_DATABASE_URL: postgres://lemmy:password@database:5432/lemmy
       RUST_BACKTRACE: 1
-      RUST_TEST_THREADS: 1
     commands:
       - sudo apt-get update
       - sudo apt-get -y install --no-install-recommends espeak postgresql-client
@@ -107,7 +106,6 @@ steps:
     environment:
       LEMMY_DATABASE_URL: postgres://lemmy:password@database:5432/lemmy
       RUST_BACKTRACE: 1
-      RUST_TEST_THREADS: 1
     commands:
       - apt-get update
       - apt-get -y install --no-install-recommends espeak postgresql-client libssl-dev pkg-config libpq-dev
diff --git a/Cargo.lock b/Cargo.lock
index 2edcca8d7..cdf7f679c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "activitystreams"
 version = "0.7.0-alpha.10"
@@ -1818,6 +1820,7 @@ dependencies = [
  "regex",
  "serde 1.0.123",
  "serde_json",
+ "serial_test",
  "sha2",
  "strum",
  "strum_macros",
@@ -1845,6 +1848,7 @@ dependencies = [
  "lemmy_db_schema",
  "log",
  "serde 1.0.123",
+ "serial_test",
  "url",
 ]
 
@@ -3080,6 +3084,28 @@ dependencies = [
  "serde 1.0.123",
 ]
 
+[[package]]
+name = "serial_test"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0bccbcf40c8938196944a3da0e133e031a33f4d6b72db3bda3cc556e361905d"
+dependencies = [
+ "lazy_static",
+ "parking_lot",
+ "serial_test_derive",
+]
+
+[[package]]
+name = "serial_test_derive"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2acd6defeddb41eb60bb468f8825d0cfd0c2a76bc03bfd235b6a1dc4f6a1ad5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "sha-1"
 version = "0.8.2"
diff --git a/Cargo.toml b/Cargo.toml
index edec85f60..ab7d90198 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_server"
 version = "0.0.1"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [profile.dev]
 debug = 0
 
diff --git a/crates/api/Cargo.toml b/crates/api/Cargo.toml
index e3226eb85..299121a6e 100644
--- a/crates/api/Cargo.toml
+++ b/crates/api/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [lib]
 name = "lemmy_api"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 lemmy_apub = { path = "../apub" }
diff --git a/crates/apub/Cargo.toml b/crates/apub/Cargo.toml
index f2ad96838..9dd9bc82f 100644
--- a/crates/apub/Cargo.toml
+++ b/crates/apub/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [lib]
 name = "lemmy_apub"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 lemmy_utils = { path = "../utils" }
diff --git a/crates/db_queries/Cargo.toml b/crates/db_queries/Cargo.toml
index c396b39a3..0e489e228 100644
--- a/crates/db_queries/Cargo.toml
+++ b/crates/db_queries/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2018"
 [lib]
 name = "lemmy_db_queries"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 lemmy_utils = { path = "../utils" }
@@ -23,3 +24,6 @@ url = { version = "2.2.0", features = ["serde"] }
 lazy_static = "1.4.0"
 regex = "1.4.3"
 bcrypt = "0.9.0"
+
+[dev-dependencies]
+serial_test = "0.5.1"
\ No newline at end of file
diff --git a/crates/db_queries/src/aggregates/comment_aggregates.rs b/crates/db_queries/src/aggregates/comment_aggregates.rs
index a4db471b6..0826ae0d4 100644
--- a/crates/db_queries/src/aggregates/comment_aggregates.rs
+++ b/crates/db_queries/src/aggregates/comment_aggregates.rs
@@ -37,8 +37,10 @@ mod tests {
     post::{Post, PostForm},
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/aggregates/community_aggregates.rs b/crates/db_queries/src/aggregates/community_aggregates.rs
index f5cd577e4..ee60da9b2 100644
--- a/crates/db_queries/src/aggregates/community_aggregates.rs
+++ b/crates/db_queries/src/aggregates/community_aggregates.rs
@@ -41,8 +41,10 @@ mod tests {
     post::{Post, PostForm},
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/aggregates/post_aggregates.rs b/crates/db_queries/src/aggregates/post_aggregates.rs
index fa8b69255..404257a7b 100644
--- a/crates/db_queries/src/aggregates/post_aggregates.rs
+++ b/crates/db_queries/src/aggregates/post_aggregates.rs
@@ -41,8 +41,10 @@ mod tests {
     post::{Post, PostForm, PostLike, PostLikeForm},
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/aggregates/site_aggregates.rs b/crates/db_queries/src/aggregates/site_aggregates.rs
index 46db2f0cd..81afed5c4 100644
--- a/crates/db_queries/src/aggregates/site_aggregates.rs
+++ b/crates/db_queries/src/aggregates/site_aggregates.rs
@@ -39,8 +39,10 @@ mod tests {
     site::{Site, SiteForm},
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/aggregates/user_aggregates.rs b/crates/db_queries/src/aggregates/user_aggregates.rs
index fcda1d462..bdd16932a 100644
--- a/crates/db_queries/src/aggregates/user_aggregates.rs
+++ b/crates/db_queries/src/aggregates/user_aggregates.rs
@@ -37,8 +37,10 @@ mod tests {
     post::{Post, PostForm, PostLike, PostLikeForm},
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/lib.rs b/crates/db_queries/src/lib.rs
index bf0de3366..5667b4262 100644
--- a/crates/db_queries/src/lib.rs
+++ b/crates/db_queries/src/lib.rs
@@ -9,6 +9,9 @@ extern crate lazy_static;
 #[macro_use]
 extern crate diesel_migrations;
 
+#[cfg(test)]
+extern crate serial_test;
+
 use diesel::{result::Error, *};
 use lemmy_db_schema::Url;
 use regex::Regex;
diff --git a/crates/db_queries/src/source/activity.rs b/crates/db_queries/src/source/activity.rs
index 59e1754aa..cf946d67d 100644
--- a/crates/db_queries/src/source/activity.rs
+++ b/crates/db_queries/src/source/activity.rs
@@ -133,8 +133,10 @@ mod tests {
     user::{UserForm, User_},
   };
   use serde_json::Value;
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/comment.rs b/crates/db_queries/src/source/comment.rs
index 709a8aa39..918ae4977 100644
--- a/crates/db_queries/src/source/comment.rs
+++ b/crates/db_queries/src/source/comment.rs
@@ -212,8 +212,10 @@ mod tests {
     post::*,
     user::{UserForm, User_},
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/community.rs b/crates/db_queries/src/source/community.rs
index 08421bd5d..6a19d2211 100644
--- a/crates/db_queries/src/source/community.rs
+++ b/crates/db_queries/src/source/community.rs
@@ -340,8 +340,10 @@ mod tests {
     SortType,
   };
   use lemmy_db_schema::source::{community::*, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/moderator.rs b/crates/db_queries/src/source/moderator.rs
index 9b6e58edf..469ada089 100644
--- a/crates/db_queries/src/source/moderator.rs
+++ b/crates/db_queries/src/source/moderator.rs
@@ -199,9 +199,11 @@ impl Crud<ModAddForm> for ModAdd {
 mod tests {
   use crate::{establish_unpooled_connection, Crud, ListingType, SortType};
   use lemmy_db_schema::source::{comment::*, community::*, moderator::*, post::*, user::*};
+  use serial_test::serial;
 
   // use Crud;
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/password_reset_request.rs b/crates/db_queries/src/source/password_reset_request.rs
index f58d2c014..600037d8a 100644
--- a/crates/db_queries/src/source/password_reset_request.rs
+++ b/crates/db_queries/src/source/password_reset_request.rs
@@ -80,8 +80,10 @@ mod tests {
     SortType,
   };
   use lemmy_db_schema::source::{password_reset_request::PasswordResetRequest, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/post.rs b/crates/db_queries/src/source/post.rs
index 1c19e53d0..f6b1342ef 100644
--- a/crates/db_queries/src/source/post.rs
+++ b/crates/db_queries/src/source/post.rs
@@ -231,8 +231,10 @@ mod tests {
     community::{Community, CommunityForm},
     user::*,
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/private_message.rs b/crates/db_queries/src/source/private_message.rs
index 8cace9384..f1908bc14 100644
--- a/crates/db_queries/src/source/private_message.rs
+++ b/crates/db_queries/src/source/private_message.rs
@@ -147,8 +147,10 @@ mod tests {
     SortType,
   };
   use lemmy_db_schema::source::{private_message::*, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/user.rs b/crates/db_queries/src/source/user.rs
index 5f3fa6cbb..20b187b46 100644
--- a/crates/db_queries/src/source/user.rs
+++ b/crates/db_queries/src/source/user.rs
@@ -379,8 +379,10 @@ impl User for User_ {
 #[cfg(test)]
 mod tests {
   use crate::{establish_unpooled_connection, source::user::*, ListingType, SortType};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_queries/src/source/user_mention.rs b/crates/db_queries/src/source/user_mention.rs
index b0c97572f..5efc95bf6 100644
--- a/crates/db_queries/src/source/user_mention.rs
+++ b/crates/db_queries/src/source/user_mention.rs
@@ -81,8 +81,10 @@ mod tests {
     user::*,
     user_mention::*,
   };
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_schema/Cargo.toml b/crates/db_schema/Cargo.toml
index a175f80e4..b637c0222 100644
--- a/crates/db_schema/Cargo.toml
+++ b/crates/db_schema/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_db_schema"
 version = "0.1.0"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [dependencies]
 diesel = { version = "1.4.5", features = ["postgres","chrono","r2d2","serde_json"] }
 chrono = { version = "0.4.19", features = ["serde"] }
diff --git a/crates/db_views/Cargo.toml b/crates/db_views/Cargo.toml
index 175e6eae6..e44f414a6 100644
--- a/crates/db_views/Cargo.toml
+++ b/crates/db_views/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_db_views"
 version = "0.1.0"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [dependencies]
 lemmy_db_queries = { path = "../db_queries" }
 lemmy_db_schema = { path = "../db_schema" }
@@ -10,3 +13,6 @@ diesel = { version = "1.4.5", features = ["postgres","chrono","r2d2","serde_json
 serde = { version = "1.0.123", features = ["derive"] }
 log = "0.4.14"
 url = "2.2.0"
+
+[dev-dependencies]
+serial_test = "0.5.1"
\ No newline at end of file
diff --git a/crates/db_views/src/comment_view.rs b/crates/db_views/src/comment_view.rs
index 4f9a6a5f7..56b22a7f0 100644
--- a/crates/db_views/src/comment_view.rs
+++ b/crates/db_views/src/comment_view.rs
@@ -443,8 +443,10 @@ mod tests {
     SortType,
   };
   use lemmy_db_schema::source::{comment::*, community::*, post::*, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_views/src/lib.rs b/crates/db_views/src/lib.rs
index b46ec5a46..a9369ed24 100644
--- a/crates/db_views/src/lib.rs
+++ b/crates/db_views/src/lib.rs
@@ -1,3 +1,6 @@
+#[cfg(test)]
+extern crate serial_test;
+
 pub mod comment_report_view;
 pub mod comment_view;
 pub mod post_report_view;
diff --git a/crates/db_views/src/post_view.rs b/crates/db_views/src/post_view.rs
index ed1ef4ce1..e7b488275 100644
--- a/crates/db_views/src/post_view.rs
+++ b/crates/db_views/src/post_view.rs
@@ -434,8 +434,10 @@ mod tests {
     SortType,
   };
   use lemmy_db_schema::source::{community::*, post::*, user::*};
+  use serial_test::serial;
 
   #[test]
+  #[serial]
   fn test_crud() {
     let conn = establish_unpooled_connection();
 
diff --git a/crates/db_views_actor/Cargo.toml b/crates/db_views_actor/Cargo.toml
index 8e86d4c0a..e237941e1 100644
--- a/crates/db_views_actor/Cargo.toml
+++ b/crates/db_views_actor/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_db_views_actor"
 version = "0.1.0"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [dependencies]
 lemmy_db_queries = { path = "../db_queries" }
 lemmy_db_schema = { path = "../db_schema" }
diff --git a/crates/db_views_moderator/Cargo.toml b/crates/db_views_moderator/Cargo.toml
index aef6abdc3..9df01522d 100644
--- a/crates/db_views_moderator/Cargo.toml
+++ b/crates/db_views_moderator/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_db_views_moderator"
 version = "0.1.0"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [dependencies]
 lemmy_db_queries = { path = "../db_queries" }
 lemmy_db_schema = { path = "../db_schema" }
diff --git a/crates/routes/Cargo.toml b/crates/routes/Cargo.toml
index 0c5eac665..b71ffca70 100644
--- a/crates/routes/Cargo.toml
+++ b/crates/routes/Cargo.toml
@@ -3,6 +3,9 @@ name = "lemmy_routes"
 version = "0.1.0"
 edition = "2018"
 
+[lib]
+doctest = false
+
 [dependencies]
 lemmy_utils = { path = "../utils" }
 lemmy_websocket = { path = "../websocket" }
diff --git a/crates/structs/Cargo.toml b/crates/structs/Cargo.toml
index f895a8c95..de4f38cbf 100644
--- a/crates/structs/Cargo.toml
+++ b/crates/structs/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [lib]
 name = "lemmy_structs"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 lemmy_db_queries = { path = "../db_queries" }
diff --git a/crates/utils/Cargo.toml b/crates/utils/Cargo.toml
index c10b7c2c7..3308669a4 100644
--- a/crates/utils/Cargo.toml
+++ b/crates/utils/Cargo.toml
@@ -6,6 +6,7 @@ edition = "2018"
 [lib]
 name = "lemmy_utils"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 regex = "1.4.3"
diff --git a/crates/websocket/Cargo.toml b/crates/websocket/Cargo.toml
index 1cb71ea1d..3116d71e7 100644
--- a/crates/websocket/Cargo.toml
+++ b/crates/websocket/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2018"
 [lib]
 name = "lemmy_websocket"
 path = "src/lib.rs"
+doctest = false
 
 [dependencies]
 lemmy_utils = { path = "../utils" }