[INFO] fetching crate synchro_reactive 0.1.0...
[INFO] testing synchro_reactive-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate synchro_reactive 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate synchro_reactive 0.1.0
[INFO] finished tweaking crates.io crate synchro_reactive 0.1.0
[INFO] tweaked toml for crates.io crate synchro_reactive 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate synchro_reactive 0.1.0 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] crate crates.io crate synchro_reactive 0.1.0 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-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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8880977fff3906db79ca973620730e9b6d220c44ea918e07a12397baec6a2277
[INFO] running `Command { std: "docker" "start" "-a" "8880977fff3906db79ca973620730e9b6d220c44ea918e07a12397baec6a2277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8880977fff3906db79ca973620730e9b6d220c44ea918e07a12397baec6a2277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8880977fff3906db79ca973620730e9b6d220c44ea918e07a12397baec6a2277", kill_on_drop: false }`
[INFO] [stdout] 8880977fff3906db79ca973620730e9b6d220c44ea918e07a12397baec6a2277
[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=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] 44cbbabbab89e62b337400128d4114f8e2c54b2ffd9c3a2bc9df0f49aba72158
[INFO] running `Command { std: "docker" "start" "-a" "44cbbabbab89e62b337400128d4114f8e2c54b2ffd9c3a2bc9df0f49aba72158", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchro_reactive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "44cbbabbab89e62b337400128d4114f8e2c54b2ffd9c3a2bc9df0f49aba72158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cbbabbab89e62b337400128d4114f8e2c54b2ffd9c3a2bc9df0f49aba72158", kill_on_drop: false }`
[INFO] [stdout] 44cbbabbab89e62b337400128d4114f8e2c54b2ffd9c3a2bc9df0f49aba72158
[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=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] c53f8fb00afb665c8cbf6e8daf6c89a81728d14d01c3d9f339db11bf575ef7c4
[INFO] running `Command { std: "docker" "start" "-a" "c53f8fb00afb665c8cbf6e8daf6c89a81728d14d01c3d9f339db11bf575ef7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling synchro_reactive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c53f8fb00afb665c8cbf6e8daf6c89a81728d14d01c3d9f339db11bf575ef7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53f8fb00afb665c8cbf6e8daf6c89a81728d14d01c3d9f339db11bf575ef7c4", kill_on_drop: false }`
[INFO] [stdout] c53f8fb00afb665c8cbf6e8daf6c89a81728d14d01c3d9f339db11bf575ef7c4
[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=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] 95455f4fd251292c52b2b0c2f8614bbd319498f1db6273e980b60ae94b4639a9
[INFO] running `Command { std: "docker" "start" "-a" "95455f4fd251292c52b2b0c2f8614bbd319498f1db6273e980b60ae94b4639a9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/synchro_reactive-a197aba6a58ecfa6)
[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" "95455f4fd251292c52b2b0c2f8614bbd319498f1db6273e980b60ae94b4639a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95455f4fd251292c52b2b0c2f8614bbd319498f1db6273e980b60ae94b4639a9", kill_on_drop: false }`
[INFO] [stdout] 95455f4fd251292c52b2b0c2f8614bbd319498f1db6273e980b60ae94b4639a9