Keep Sush compatible with ongoing Rumors triage

Cargo.toml

@@ -44,12 +44,11 @@ permission-slip-common = { git = "https://github.com/oxidecomputer/permission-sl
 progenitor = "0.14"
 progenitor-client = "0.14"
 pwd = "1"
-qorb = { version = "0.4", default-features = false }
 rand = "0.8"
 rand_core = "0.6"
 reqwest = { version = "0.13", features = ["json", "rustls"] }
 rlimit = "0.10"
-rumors = { git = "https://github.com/oxidecomputer/rumors", rev = "90e4509dc66330affb38afa74813a8dd500edd93" }
+rumors = { git = "https://github.com/oxidecomputer/rumors", rev = "d37ffca701ad2e6a3087e703d0645d89ace1eabb" }
 rustix = { version = "1", features = ["fs", "process", "pty", "termios"] }
 rustls = "0.23"
 rustyline = { git = "https://github.com/kkawakam/rustyline", rev = "5ab22f2f8d65e85f0b925360437ece8eeeb6db92", features = ["signal-hook", "termios"] }
@@ -77,10 +76,8 @@ tokio-util = "0.7"
 x509-cert = { version = "0.2", features = ["pem", "std"] }
 xdg = "3"
 
-# Every sprockets handshake verifies P-384 attestation cert chains, and every
-# gossip link stream is a handshake. The RustCrypto stack is ~100ms per verify
-# unoptimized, which makes the sprockets-backed tests crawl, so optimize the
-# crates that do the math; everything else keeps fast debug builds.
+# Optimize the arithmetic used to verify attestation certificates on fresh
+# connections. Keep the rest of the debug build unoptimized.
 [profile.dev.package.crypto-bigint]
 opt-level = 3
 [profile.dev.package.ecdsa]

server/Cargo.toml

@@ -38,7 +38,6 @@ memmap2.workspace = true
 p256.workspace = true
 percent-encoding.workspace = true
 pwd.workspace = true
-qorb.workspace = true
 rumors.workspace = true
 rand_core.workspace = true
 rustix.workspace = true
@@ -64,6 +63,7 @@ tokio-tungstenite.workspace = true
 x509-cert.workspace = true
 
 [dev-dependencies]
+tokio = { workspace = true, features = ["test-util"] }
 attest-mock.workspace = true
 ciborium.workspace = true
 function_name.workspace = true