[INFO] fetching crate rhizomedb-runtime 0.1.0...
[INFO] testing rhizomedb-runtime-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rhizomedb-runtime 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rhizomedb-runtime 0.1.0
[INFO] finished tweaking crates.io crate rhizomedb-runtime 0.1.0
[INFO] tweaked toml for crates.io crate rhizomedb-runtime 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rhizomedb-runtime 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 63 packages to latest compatible versions
[INFO] [stderr]       Adding gloo v0.8.1 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ffdc8ebb3461e547bf250eee125650abcf104a1a024d0e3e4d6d8b1864164d3
[INFO] running `Command { std: "docker" "start" "-a" "9ffdc8ebb3461e547bf250eee125650abcf104a1a024d0e3e4d6d8b1864164d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ffdc8ebb3461e547bf250eee125650abcf104a1a024d0e3e4d6d8b1864164d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ffdc8ebb3461e547bf250eee125650abcf104a1a024d0e3e4d6d8b1864164d3", kill_on_drop: false }`
[INFO] [stdout] 9ffdc8ebb3461e547bf250eee125650abcf104a1a024d0e3e4d6d8b1864164d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 711aa3168a57cb7231bb3512c1a49829b1e1d2996e553c7e1c78aa1f47238907
[INFO] running `Command { std: "docker" "start" "-a" "711aa3168a57cb7231bb3512c1a49829b1e1d2996e553c7e1c78aa1f47238907", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling rhizomedb-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s
[INFO] running `Command { std: "docker" "inspect" "711aa3168a57cb7231bb3512c1a49829b1e1d2996e553c7e1c78aa1f47238907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711aa3168a57cb7231bb3512c1a49829b1e1d2996e553c7e1c78aa1f47238907", kill_on_drop: false }`
[INFO] [stdout] 711aa3168a57cb7231bb3512c1a49829b1e1d2996e553c7e1c78aa1f47238907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a19c40fb8d4984758520f9e67f326a2580a5a2d7f87a1d0615d5f5d7c31888b
[INFO] running `Command { std: "docker" "start" "-a" "4a19c40fb8d4984758520f9e67f326a2580a5a2d7f87a1d0615d5f5d7c31888b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhizomedb-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: async functions cannot be used for tests
[INFO] [stdout]    --> src/tokio.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |       async fn test_spawn_pinned_least_busy() {
[INFO] [stdout]     |       ^----
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____`async` because of this
[INFO] [stdout]     | |
[INFO] [stdout] 233 | |         let runtime = Runtime::new(2).expect("failed to create runtime.");
[INFO] [stdout] 234 | |
[INFO] [stdout] 235 | |         let (tx1, rx1) = oneshot::channel();
[INFO] [stdout] ...   |
[INFO] [stdout] 268 | |         assert_ne!(result1, result2);
[INFO] [stdout] 269 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: async functions cannot be used for tests
[INFO] [stdout]    --> src/tokio.rs:272:5
[INFO] [stdout]     |
[INFO] [stdout] 272 |       async fn test_spawn_local_within_send() {
[INFO] [stdout]     |       ^----
[INFO] [stdout]     |       |
[INFO] [stdout]     |  _____`async` because of this
[INFO] [stdout]     | |
[INFO] [stdout] 273 | |         let runtime = Runtime::default();
[INFO] [stdout] 274 | |
[INFO] [stdout] 275 | |         let (tx, rx) = oneshot::channel();
[INFO] [stdout] ...   |
[INFO] [stdout] 288 | |             .expect("failed to receive.");
[INFO] [stdout] 289 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::test`
[INFO] [stdout]    --> src/tokio.rs:227:32
[INFO] [stdout]     |
[INFO] [stdout] 227 |     use tokio::{sync::Barrier, test, time::timeout};
[INFO] [stdout]     |                                ^^^^ no `test` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhizomedb-runtime` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4a19c40fb8d4984758520f9e67f326a2580a5a2d7f87a1d0615d5f5d7c31888b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a19c40fb8d4984758520f9e67f326a2580a5a2d7f87a1d0615d5f5d7c31888b", kill_on_drop: false }`
[INFO] [stdout] 4a19c40fb8d4984758520f9e67f326a2580a5a2d7f87a1d0615d5f5d7c31888b
