[INFO] fetching crate rhizomedb-runtime 0.1.0...
[INFO] building rhizomedb-runtime-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rhizomedb-runtime 0.1.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rhizomedb-runtime 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding gloo v0.8.1 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f95c080d689b9b11273b299c4935110f61277140c85e2ee2e10c156b8398dee5
[INFO] running `Command { std: "docker" "start" "-a" "f95c080d689b9b11273b299c4935110f61277140c85e2ee2e10c156b8398dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f95c080d689b9b11273b299c4935110f61277140c85e2ee2e10c156b8398dee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95c080d689b9b11273b299c4935110f61277140c85e2ee2e10c156b8398dee5", kill_on_drop: false }`
[INFO] [stdout] f95c080d689b9b11273b299c4935110f61277140c85e2ee2e10c156b8398dee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd98b9f26d9dd591d24dc0009bd0c3a6f49e298e32a3a3f8b0c554842fd046a8
[INFO] running `Command { std: "docker" "start" "-a" "dd98b9f26d9dd591d24dc0009bd0c3a6f49e298e32a3a3f8b0c554842fd046a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rhizomedb-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "dd98b9f26d9dd591d24dc0009bd0c3a6f49e298e32a3a3f8b0c554842fd046a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd98b9f26d9dd591d24dc0009bd0c3a6f49e298e32a3a3f8b0c554842fd046a8", kill_on_drop: false }`
[INFO] [stdout] dd98b9f26d9dd591d24dc0009bd0c3a6f49e298e32a3a3f8b0c554842fd046a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 418298fca68dcccd6d72dc42913b88f730f303b46c849a57ab89bc5b7b3e70de
[INFO] running `Command { std: "docker" "start" "-a" "418298fca68dcccd6d72dc42913b88f730f303b46c849a57ab89bc5b7b3e70de", 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] [stderr] error: could not compile `rhizomedb-runtime` (lib test) due to 3 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "418298fca68dcccd6d72dc42913b88f730f303b46c849a57ab89bc5b7b3e70de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418298fca68dcccd6d72dc42913b88f730f303b46c849a57ab89bc5b7b3e70de", kill_on_drop: false }`
[INFO] [stdout] 418298fca68dcccd6d72dc42913b88f730f303b46c849a57ab89bc5b7b3e70de