update versions of deps; remove num_cpus() dep

Cargo.toml

@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "mino",
   "mino-code-gen",

fish/Cargo.toml

@@ -8,9 +8,9 @@ edition = "2021"
 mino = { path = "../mino" }
 
 ahash = "0.8"
-bumpalo = "3.12"
-hashbrown = "0.13"
-smallvec = "1.10"
+bumpalo = "3.15"
+hashbrown = "0.14"
+smallvec = "1.13"
 tracing = { version = "0.1", default_features = false }
 
 [dev-dependencies]

tidepool/Cargo.toml

@@ -16,10 +16,9 @@ tracing = { version = "0.1" }
 
 # cli
 tracing-subscriber = { version = "0.3", features = ["fmt", "env-filter"]}
-toml = { version = "0.7" }
+toml = { version = "0.8" }
 serde_json = { version = "1.0" }
-clap = { version = "4.0", features = ["derive"] }
+clap = { version = "4.5", features = ["derive"] }
 anyhow = { version = "1.0" }
-ctrlc = { version = "3.2" }
-num_cpus = { version = "1.15" }
-chrono = { version = "0.4" }
+ctrlc = { version = "3.4" }
+chrono = { version = "0.4" }

tidepool/src/main.rs

@@ -121,7 +121,14 @@ fn multi(args: MultiRun) -> Result<()> {
     let tasks = Arc::new(atomic::AtomicI64::new(tasks));
     let exit_early = Arc::new(atomic::AtomicBool::new(false));
 
-    let n_jobs = args.jobs.unwrap_or_else(num_cpus::get);
+    fn default_num_cpus() -> usize {
+        match std::thread::available_parallelism() {
+            Ok(n) => n.get(),
+            Err(_) => 1,
+        }
+    }
+
+    let n_jobs = args.jobs.unwrap_or_else(default_num_cpus);
     let mut jobs = HashMap::with_capacity(n_jobs);
     let mut completed = SummaryStats::<usize>::new();