diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 541b4a6e..9382f538 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2022-08-01
+        toolchain: nightly
     - id: tag
       uses: dawidd6/action-get-tag@v1
     - run: cargo build --release --features telemetry --bin synth
@@ -66,7 +66,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2022-08-01
+        toolchain: nightly
         target: aarch64-unknown-linux-musl
         override: true
     - id: tag
@@ -90,7 +90,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2022-08-01
+        toolchain: nightly
     - id: tag
       uses: dawidd6/action-get-tag@v1
     - run: cargo build --release --features telemetry --bin synth
@@ -109,7 +109,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - id: tag
         uses: dawidd6/action-get-tag@v1
       - id: version
diff --git a/.github/workflows/synth-bench.yml b/.github/workflows/synth-bench.yml
index 042f8007..20c2df7c 100644
--- a/.github/workflows/synth-bench.yml
+++ b/.github/workflows/synth-bench.yml
@@ -19,12 +19,12 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: nightly-2022-08-01
+        toolchain: nightly
     - uses: actions/setup-python@v2
     - name: run benchmark
       id: bench
       run: |
-        body=$(cargo +nightly-2022-08-01 bench --manifest-path /home/runner/work/synth/synth/synth/Cargo.toml)
+        body=$(cargo +nightly bench --manifest-path /home/runner/work/synth/synth/synth/Cargo.toml)
         body="${body//'%'/'%25'}"
         body="${body//$'\n'/'%0A'}"
         body="${body//$'\r'/'%0D'}" 
diff --git a/.github/workflows/synth-errors.yml b/.github/workflows/synth-errors.yml
index 0be405c4..06021a5a 100644
--- a/.github/workflows/synth-errors.yml
+++ b/.github/workflows/synth-errors.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
-      - run: cargo +nightly-2022-08-01 install --locked --debug --path=synth
+          toolchain: nightly
+      - run: cargo +nightly install --locked --debug --path=synth
       - run: ./e2e.sh
         working-directory: synth/testing_harness/errors
diff --git a/.github/workflows/synth-mongo.yml b/.github/workflows/synth-mongo.yml
index 4e73dc86..0c3d581c 100644
--- a/.github/workflows/synth-mongo.yml
+++ b/.github/workflows/synth-mongo.yml
@@ -24,7 +24,7 @@ jobs:
           docker run -p $PORT:27017 --name mongo-synth-harness -d mongo:latest
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - run: cargo install --locked --debug --path=synth
       - run: ./e2e.sh test-generate
         working-directory: synth/testing_harness/mongodb
diff --git a/.github/workflows/synth-mysql.yml b/.github/workflows/synth-mysql.yml
index e86cfd80..4503ba9f 100644
--- a/.github/workflows/synth-mysql.yml
+++ b/.github/workflows/synth-mysql.yml
@@ -61,7 +61,7 @@ jobs:
           sudo apt-get install --yes --no-install-recommends jq
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - run: cargo install --locked --debug --path=synth
       - run: ./e2e.sh test-generate
         working-directory: synth/testing_harness/mysql
diff --git a/.github/workflows/synth-postgres.yml b/.github/workflows/synth-postgres.yml
index a10afb54..4f4ac9e9 100644
--- a/.github/workflows/synth-postgres.yml
+++ b/.github/workflows/synth-postgres.yml
@@ -38,7 +38,7 @@ jobs:
           sudo apt-get install --yes --no-install-recommends jq
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - run: cargo install --locked --debug --path=synth
       - run: ./e2e.sh test-generate
         working-directory: synth/testing_harness/postgres
diff --git a/.github/workflows/synth-test.yml b/.github/workflows/synth-test.yml
index 73b37ec5..c505f1a3 100644
--- a/.github/workflows/synth-test.yml
+++ b/.github/workflows/synth-test.yml
@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - run: cargo test
   clippy_test:
     runs-on: ubuntu-latest
@@ -28,7 +28,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
           components: clippy
       - run: cargo clippy --tests --all-targets -- -D warnings
   fmt_test:
diff --git a/.github/workflows/synth.yml b/.github/workflows/synth.yml
index 0c2fdea5..005288d7 100644
--- a/.github/workflows/synth.yml
+++ b/.github/workflows/synth.yml
@@ -16,5 +16,5 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2022-08-01
+          toolchain: nightly
       - run: cargo test
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 52f3d511..777d381d 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -1,5 +1,9 @@
-#![feature(map_first_last, box_patterns, error_iter, try_blocks)]
-#![allow(type_alias_bounds)]
+#![feature(box_patterns, error_iter, try_blocks)]
+#![allow(
+    type_alias_bounds,
+    clippy::result_large_err,
+    clippy::unwrap_or_else_default
+)]
 
 #[macro_export]
 macro_rules! derive_generator {
diff --git a/docs/docs/getting_started/installation.md b/docs/docs/getting_started/installation.md
index dc63795c..6bd9999f 100644
--- a/docs/docs/getting_started/installation.md
+++ b/docs/docs/getting_started/installation.md
@@ -73,7 +73,7 @@ SYNTH_TMP=$(mktemp); \
 To get started, make sure you have a recent version of the [Rust nightly toolchain](https://www.rust-lang.org/tools/install). Then run:
 
 ```bash
-cargo +nightly-2022-08-01 install --locked --git https://github.com/getsynth/synth.git synth
+cargo +nightly install --locked --git https://github.com/getsynth/synth.git synth
 ```
 
 :::note
diff --git a/rust-toolchain b/rust-toolchain
index d15de132..a13622fc 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-08-01"
+channel = "nightly"
 components = [ "rustfmt", "rust-src", "llvm-tools-preview"]
diff --git a/synth/src/error.rs b/synth/src/error.rs
index 05713c8d..1d009f4e 100644
--- a/synth/src/error.rs
+++ b/synth/src/error.rs
@@ -1,3 +1,4 @@
+#![allow(clippy::unwrap_or_else_default)]
 use serde::{Deserialize, Serialize};
 
 pub use synth_core::error::*;
@@ -41,7 +42,7 @@ impl UserError {
 impl From<&(dyn std::error::Error + 'static)> for UserError {
     fn from(original: &(dyn std::error::Error + 'static)) -> Self {
         let mut final_error: Option<UserError> = None;
-        let mut chain = original.chain().collect::<Vec<_>>();
+        let mut chain = original.sources().collect::<Vec<_>>();
         chain.reverse();
         for error in chain {
             match &mut final_error {
diff --git a/synth/src/lib.rs b/synth/src/lib.rs
index 70b00967..59c6b644 100644
--- a/synth/src/lib.rs
+++ b/synth/src/lib.rs
@@ -1,5 +1,5 @@
-#![feature(map_first_last, box_patterns, concat_idents, error_iter)]
-#![allow(type_alias_bounds)]
+#![feature(box_patterns, concat_idents, error_iter)]
+#![allow(type_alias_bounds, clippy::needless_borrow)]
 
 #[macro_use]
 extern crate log;
diff --git a/synth/src/sampler.rs b/synth/src/sampler.rs
index 5ab74eb9..b353cd50 100644
--- a/synth/src/sampler.rs
+++ b/synth/src/sampler.rs
@@ -34,7 +34,7 @@ impl SamplerOutput {
 }
 
 fn sampler_progress_bar(target: u64) -> ProgressBar {
-    let bar = ProgressBar::new(target as u64);
+    let bar = ProgressBar::new(target);
     let style = ProgressStyle::default_bar()
         .template("[{elapsed_precise}] {wide_bar} {pos}/{len} generated ({eta} remaining)");
     bar.set_style(style);
diff --git a/synth/tests/docs.rs b/synth/tests/docs.rs
index 0e5f96a2..2d7bf1a6 100644
--- a/synth/tests/docs.rs
+++ b/synth/tests/docs.rs
@@ -1,3 +1,4 @@
+#![allow(clippy::needless_borrow, clippy::explicit_counter_loop)]
 use lazy_static::lazy_static;
 use std::{
     collections::HashSet,
diff --git a/test_macros/src/lib.rs b/test_macros/src/lib.rs
index 6a95b7ec..bd811062 100644
--- a/test_macros/src/lib.rs
+++ b/test_macros/src/lib.rs
@@ -1,3 +1,4 @@
+#![allow(clippy::collapsible_str_replace)]
 extern crate proc_macro;
 use std::{collections::HashMap, ffi::OsStr};
 
diff --git a/tools/vagrant/linux/ubuntu/Vagrantfile b/tools/vagrant/linux/ubuntu/Vagrantfile
index 34035324..25b01eaa 100644
--- a/tools/vagrant/linux/ubuntu/Vagrantfile
+++ b/tools/vagrant/linux/ubuntu/Vagrantfile
@@ -26,9 +26,9 @@ Vagrant.configure("2") do |config|
     apt-get update
     apt-get install -y build-essential pkg-config libssl-dev jq
     source ~/.profile
-    rustup toolchain install nightly-2022-08-01
+    rustup toolchain install nightly
     cd $2
-    /root/.cargo/bin/cargo +nightly-2022-08-01 install --debug --path=synth
+    /root/.cargo/bin/cargo +nightly install --debug --path=synth
   SHELL
 
 #   Install Docker