[INFO] fetching crate seesaw-testing 0.1.1...
[INFO] testing seesaw-testing-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate seesaw-testing 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate seesaw-testing 0.1.1
[INFO] finished tweaking crates.io crate seesaw-testing 0.1.1
[INFO] tweaked toml for crates.io crate seesaw-testing 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seesaw-testing 0.1.1 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] crate crates.io crate seesaw-testing 0.1.1 already has a lockfile, it will not be regenerated
[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] [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d7cbc67ed71c5c6cd9217628a58783f6441cc2b5eada3de21bacc86b2e9aa039
[INFO] running `Command { std: "docker" "start" "-a" "d7cbc67ed71c5c6cd9217628a58783f6441cc2b5eada3de21bacc86b2e9aa039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7cbc67ed71c5c6cd9217628a58783f6441cc2b5eada3de21bacc86b2e9aa039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7cbc67ed71c5c6cd9217628a58783f6441cc2b5eada3de21bacc86b2e9aa039", kill_on_drop: false }`
[INFO] [stdout] d7cbc67ed71c5c6cd9217628a58783f6441cc2b5eada3de21bacc86b2e9aa039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 287a1a74d91b4a09dd6947480e1fa6306e4126433fe5968cddd6797397f16645
[INFO] running `Command { std: "docker" "start" "-a" "287a1a74d91b4a09dd6947480e1fa6306e4126433fe5968cddd6797397f16645", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zmij v1.0.17
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling uuid v1.20.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling seesaw_core v0.1.1
[INFO] [stderr]    Compiling seesaw-testing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.38s
[INFO] running `Command { std: "docker" "inspect" "287a1a74d91b4a09dd6947480e1fa6306e4126433fe5968cddd6797397f16645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287a1a74d91b4a09dd6947480e1fa6306e4126433fe5968cddd6797397f16645", kill_on_drop: false }`
[INFO] [stdout] 287a1a74d91b4a09dd6947480e1fa6306e4126433fe5968cddd6797397f16645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 28bcffb1e5a004807df8b1654a2232601a2befb0945ad88c3eacf8a1cab04187
[INFO] running `Command { std: "docker" "start" "-a" "28bcffb1e5a004807df8b1654a2232601a2befb0945ad88c3eacf8a1cab04187", kill_on_drop: false }`
[INFO] [stderr]    Compiling seesaw-testing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `tokio::runtime::Runtime` in the current scope
[INFO] [stdout]     --> src/lib.rs:1515:34
[INFO] [stdout]      |
[INFO] [stdout] 1515 |         tokio::runtime::Runtime::new().unwrap().block_on(async {
[INFO] [stdout]      |                                  ^^^ associated function or constant not found in `tokio::runtime::Runtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `seesaw-testing` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "28bcffb1e5a004807df8b1654a2232601a2befb0945ad88c3eacf8a1cab04187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bcffb1e5a004807df8b1654a2232601a2befb0945ad88c3eacf8a1cab04187", kill_on_drop: false }`
[INFO] [stdout] 28bcffb1e5a004807df8b1654a2232601a2befb0945ad88c3eacf8a1cab04187
