switch to stable toolchain

.github/buildomat/jobs/build-and-test-linux.sh

@@ -3,7 +3,7 @@
 #: name = "build-and-test (ubuntu-20.04)"
 #: variety = "basic"
 #: target = "ubuntu-20.04"
-#: rust_toolchain = "nightly-2022-09-27"
+#: rust_toolchain = "1.66.1"
 #: output_rules = [
 #:	"/var/tmp/omicron_tmp/*",
 #:	"!/var/tmp/omicron_tmp/crdb-base*",
@@ -53,7 +53,7 @@ banner build
 export RUSTFLAGS="-D warnings"
 export RUSTDOCFLAGS="-D warnings"
 export TMPDIR=$TEST_TMPDIR
-ptime -m cargo +'nightly-2022-09-27' build --locked --all-targets --verbose
+ptime -m cargo build --locked --all-targets --verbose
 
 #
 # NOTE: We're using using the same RUSTFLAGS and RUSTDOCFLAGS as above to avoid
@@ -63,8 +63,7 @@ ptime -m cargo +'nightly-2022-09-27' build --locked --all-targets --verbose
 # from end-to-end-tests.
 #
 banner test
-ptime -m cargo +'nightly-2022-09-27' test --locked --verbose \
-    --no-fail-fast
+ptime -m cargo test --locked --verbose --no-fail-fast
 
 #
 # Make sure that we have left nothing around in $TEST_TMPDIR.  The easiest way

.github/buildomat/jobs/build-and-test.sh

@@ -3,7 +3,7 @@
 #: name = "build-and-test (helios)"
 #: variety = "basic"
 #: target = "helios-latest"
-#: rust_toolchain = "nightly-2022-09-27"
+#: rust_toolchain = "1.66.1"
 #: output_rules = [
 #:	"/var/tmp/omicron_tmp/*",
 #:	"!/var/tmp/omicron_tmp/crdb-base*",
@@ -53,7 +53,7 @@ banner build
 export RUSTFLAGS="-D warnings"
 export RUSTDOCFLAGS="-D warnings"
 export TMPDIR=$TEST_TMPDIR
-ptime -m cargo +'nightly-2022-09-27' build --locked --all-targets --verbose
+ptime -m cargo build --locked --all-targets --verbose
 
 #
 # NOTE: We're using using the same RUSTFLAGS and RUSTDOCFLAGS as above to avoid
@@ -63,8 +63,7 @@ ptime -m cargo +'nightly-2022-09-27' build --locked --all-targets --verbose
 # from end-to-end-tests.
 #
 banner test
-ptime -m cargo +'nightly-2022-09-27' test --locked --verbose \
-    --no-fail-fast
+ptime -m cargo test --locked --verbose --no-fail-fast
 
 #
 # Make sure that we have left nothing around in $TEST_TMPDIR.  The easiest way

.github/buildomat/jobs/build-end-to-end-tests.sh

@@ -3,7 +3,7 @@
 #: name = "helios / build-end-to-end-tests"
 #: variety = "basic"
 #: target = "helios-latest"
-#: rust_toolchain = "nightly-2022-04-27"
+#: rust_toolchain = "1.66.1"
 #: output_rules = [
 #:	"=/work/*.gz",
 #: ]

.github/buildomat/jobs/clippy.sh

@@ -3,7 +3,7 @@
 #: name = "clippy (helios)"
 #: variety = "basic"
 #: target = "helios-latest"
-#: rust_toolchain = "nightly-2022-09-27"
+#: rust_toolchain = "1.66.1"
 #: output_rules = []
 #:
 
@@ -24,4 +24,4 @@ ptime -m bash ./tools/install_builder_prerequisites.sh -y
 
 banner clippy
 # See the corresponding GitHub Actions job for more about these arguments.
-ptime -m cargo +'nightly-2022-09-27' clippy --all-targets -- --deny warnings --allow clippy::style
+ptime -m cargo clippy --all-targets -- --deny warnings --allow clippy::style

.github/buildomat/jobs/package.sh

@@ -3,7 +3,7 @@
 #: name = "helios / package"
 #: variety = "basic"
 #: target = "helios-latest"
-#: rust_toolchain = "nightly-2022-09-27"
+#: rust_toolchain = "1.66.1"
 #: output_rules = [
 #:	"=/work/package.tar.gz",
 #:	"=/work/zones/*.tar.gz",

Cargo.toml

@@ -123,15 +123,15 @@ db-macros = { path = "nexus/db-macros" }
 debug-ignore = "1.0.5"
 derive_more = "0.99.17"
 diesel = { version = "2.0.3" }
-diesel-dtrace = { git = "https://github.com/oxidecomputer/diesel-dtrace", rev = "18748d9f76c94e1f4400fbec0859b3e77a221a8d" }
+diesel-dtrace = { git = "https://github.com/oxidecomputer/diesel-dtrace", rev = "309bd361d886a237fbdd5d74992bdbd783f98bff" }
 dropshot = { git = "https://github.com/oxidecomputer/dropshot", branch = "main", features = [ "usdt-probes" ] }
 expectorate = "1.0.6"
 fatfs = "0.3.6"
 fs-err = "2.9.0"
 futures = "0.3.25"
 gateway-client = { path = "gateway-client" }
-gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", default-features = false, features = ["std"], rev = "482bae9bfa704282e981008abae9328344150d36" }
-gateway-sp-comms = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "482bae9bfa704282e981008abae9328344150d36" }
+gateway-messages = { git = "https://github.com/oxidecomputer/management-gateway-service", default-features = false, features = ["std"], rev = "e35df234f9db57b1b7fc0a8ca279fb2774ff1046" }
+gateway-sp-comms = { git = "https://github.com/oxidecomputer/management-gateway-service", rev = "e35df234f9db57b1b7fc0a8ca279fb2774ff1046" }
 headers = "0.3.8"
 heck = "0.4"
 hex = "0.4.3"

common/src/api/external/mod.rs

@@ -2299,7 +2299,7 @@ mod test {
         assert_eq!(2793, tb3.to_whole_gibibytes());
         assert_eq!(2, tb3.to_whole_tebibytes());
 
-        let three_tebibytes = (3u64 * 1024 * 1024 * 1024 * 1024) as u64;
+        let three_tebibytes = 3u64 * 1024 * 1024 * 1024 * 1024;
         let tib3 = ByteCount::try_from(three_tebibytes).unwrap();
         assert_eq!(three_tebibytes, tib3.to_bytes());
         assert_eq!(3 * 1024 * 1024 * 1024, tib3.to_whole_kibibytes());

gateway/src/http_entrypoints.rs

@@ -788,7 +788,7 @@ async fn sp_component_active_slot_set(
     let component = component_from_str(&component)?;
     let slot = body.into_inner().slot;
 
-    sp.set_component_active_slot(component, slot)
+    sp.set_component_active_slot(component, slot, false)
         .await
         .map_err(SpCommsError::from)?;
 

nexus/Cargo.toml

@@ -85,6 +85,7 @@ oximeter-instruments = { workspace = true, features = ["http-instruments"] }
 oximeter-producer.workspace = true
 
 [dev-dependencies]
+assert_matches.workspace = true
 criterion.workspace = true
 expectorate.workspace = true
 hyper-rustls.workspace = true

nexus/src/app/update.rs

@@ -579,7 +579,8 @@ impl super::Nexus {
 
 #[cfg(test)]
 mod tests {
-    use std::{assert_matches::assert_matches, num::NonZeroU32};
+    use assert_matches::assert_matches;
+    use std::num::NonZeroU32;
 
     use crate::context::OpContext;
     use crate::db::model::UpdateStatus;

nexus/src/db/datastore/mod.rs

@@ -269,14 +269,14 @@ mod test {
     };
     use crate::db::queries::vpc_subnet::FilterConflictingVpcSubnetRangesQuery;
     use crate::external_api::params;
+    use assert_matches::assert_matches;
     use chrono::{Duration, Utc};
     use nexus_test_utils::db::test_setup_database;
     use omicron_common::api::external::{
         self, ByteCount, Error, IdentityMetadataCreateParams, LookupType, Name,
     };
     use omicron_test_utils::dev;
     use ref_cast::RefCast;
-    use std::assert_matches::assert_matches;
     use std::collections::HashSet;
     use std::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddrV6};
     use std::sync::Arc;

nexus/src/lib.rs

@@ -11,8 +11,6 @@
 #![allow(clippy::unnecessary_wraps)]
 // Clippy's style lints are useful, but not worth running automatically.
 #![allow(clippy::style)]
-// assert_matches! is pretty useful for tests so just enable it conditionally.
-#![cfg_attr(test, feature(assert_matches))]
 
 pub mod app; // Public for documentation examples
 pub mod authn; // Public only for testing

nexus/tests/integration_tests/subnet_allocation.rs

@@ -169,13 +169,13 @@ async fn test_subnet_allocation(cptestctx: &ControlPlaneTestContext) {
         objects_list_page_authz::<NetworkInterface>(client, &url_ips)
             .await
             .items;
-    assert_eq!(network_interfaces.len(), subnet_size as usize);
+    assert_eq!(network_interfaces.len(), subnet_size);
 
     // Sort by IP address to simplify the checks
     network_interfaces.sort_by(|a, b| a.ip.cmp(&b.ip));
     for (iface, addr) in network_interfaces
         .iter()
-        .zip(subnet.iter().skip(NUM_INITIAL_RESERVED_IP_ADDRESSES as usize))
+        .zip(subnet.iter().skip(NUM_INITIAL_RESERVED_IP_ADDRESSES))
     {
         assert_eq!(
             iface.ip,

rust-toolchain.toml

@@ -1,14 +1,11 @@
+[toolchain]
+# NOTE: This toolchain is also specified in various jobs in
+# .github/buildomat/jobs/.  If you update it here, update those files too.
 #
-# We use nightly for the "asm" unstable Rust feature, used within Propolis for
-# dtrace probes.
-#
-# We specify a specific, known-good nightly to avoid regular breakage.
-# Once all unstable features that we use are stabilized, we should switch back
-# to "stable".
+# We choose a specific toolchain (rather than "stable") for repeatability.  The
+# intent is to keep this up-to-date with recently-released stable Rust.
 #
-
-[toolchain]
-# NOTE: This toolchain is also specified within .github/buildomat/jobs/{build-and-test,package}.sh.
-# If you update it here, update that file too.
-channel = "nightly-2022-09-27"
+# Right now, we skip 1.67 due to rust-lang/cargo#11629.  There are workarounds
+# for that but it's simpler to just skip this release.
+channel = "1.66.1"
 profile = "default"

sled-agent-client/src/lib.rs

@@ -210,7 +210,7 @@ impl From<omicron_common::api::external::Vni> for types::Vni {
 
 impl From<types::Vni> for omicron_common::api::external::Vni {
     fn from(s: types::Vni) -> Self {
-        Self::try_from(s.0 as u32).unwrap()
+        Self::try_from(s.0).unwrap()
     }
 }
 

sled-agent/Cargo.toml

@@ -64,6 +64,7 @@ libefi-illumos = { git = "https://github.com/oxidecomputer/libefi-illumos", bran
 opte-ioctl.workspace = true
 
 [dev-dependencies]
+assert_matches.workspace = true
 expectorate.workspace = true
 http.workspace = true
 mockall.workspace = true