[INFO] fetching crate y-sync 0.4.0...
[INFO] testing y-sync-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate y-sync 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate y-sync 0.4.0
[INFO] finished tweaking crates.io crate y-sync 0.4.0
[INFO] tweaked toml for crates.io crate y-sync 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate y-sync 0.4.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 70 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding yrs v0.17.4 (available: v0.24.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3a3c42ab52eae7862d3f805a18348a765819ad12307031e4bcdbd12df47c5da
[INFO] running `Command { std: "docker" "start" "-a" "b3a3c42ab52eae7862d3f805a18348a765819ad12307031e4bcdbd12df47c5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3a3c42ab52eae7862d3f805a18348a765819ad12307031e4bcdbd12df47c5da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a3c42ab52eae7862d3f805a18348a765819ad12307031e4bcdbd12df47c5da", kill_on_drop: false }`
[INFO] [stdout] b3a3c42ab52eae7862d3f805a18348a765819ad12307031e4bcdbd12df47c5da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775fcd2cba7959c8236a64fad3a9a64b0241bac361d4155755d55683f3fbdf5a
[INFO] running `Command { std: "docker" "start" "-a" "775fcd2cba7959c8236a64fad3a9a64b0241bac361d4155755d55683f3fbdf5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling smallstr v0.3.1
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling yrs v0.17.4
[INFO] [stderr]    Compiling y-sync v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.66s
[INFO] running `Command { std: "docker" "inspect" "775fcd2cba7959c8236a64fad3a9a64b0241bac361d4155755d55683f3fbdf5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775fcd2cba7959c8236a64fad3a9a64b0241bac361d4155755d55683f3fbdf5a", kill_on_drop: false }`
[INFO] [stdout] 775fcd2cba7959c8236a64fad3a9a64b0241bac361d4155755d55683f3fbdf5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6cf2795c0f35a6f297b13354717bfbc06386b683aee00fd1770df99d4c82a30
[INFO] running `Command { std: "docker" "start" "-a" "d6cf2795c0f35a6f297b13354717bfbc06386b683aee00fd1770df99d4c82a30", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling yrs v0.17.4
[INFO] [stderr]    Compiling y-sync v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.44s
[INFO] running `Command { std: "docker" "inspect" "d6cf2795c0f35a6f297b13354717bfbc06386b683aee00fd1770df99d4c82a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6cf2795c0f35a6f297b13354717bfbc06386b683aee00fd1770df99d4c82a30", kill_on_drop: false }`
[INFO] [stdout] d6cf2795c0f35a6f297b13354717bfbc06386b683aee00fd1770df99d4c82a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 038b6c31b104ab83f3db794a0358ecc6d831d1b4d9818f022fa3aa168a7019bf
[INFO] running `Command { std: "docker" "start" "-a" "038b6c31b104ab83f3db794a0358ecc6d831d1b4d9818f022fa3aa168a7019bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/y_sync-c96371b5c9a29b3c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test awareness::test::awareness ... ok
[INFO] [stdout] test sync::test::message_encoding ... ok
[INFO] [stdout] test sync::test::protocol_awareness_sync ... ok
[INFO] [stdout] test sync::test::protocol_init ... ok
[INFO] [stdout] test sync::test::protocol_sync_step_update ... ok
[INFO] [stdout] test sync::test::protocol_sync_steps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests y_sync
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "038b6c31b104ab83f3db794a0358ecc6d831d1b4d9818f022fa3aa168a7019bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038b6c31b104ab83f3db794a0358ecc6d831d1b4d9818f022fa3aa168a7019bf", kill_on_drop: false }`
[INFO] [stdout] 038b6c31b104ab83f3db794a0358ecc6d831d1b4d9818f022fa3aa168a7019bf