[INFO] fetching crate syncnal 0.1.0...
[INFO] testing syncnal-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate syncnal 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate syncnal 0.1.0
[INFO] finished tweaking crates.io crate syncnal 0.1.0
[INFO] tweaked toml for crates.io crate syncnal 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syncnal 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] crate crates.io crate syncnal 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-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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e0747816bbc873e5f776352b77ac116989ffa93ddc2e180441565dc0000a1765
[INFO] running `Command { std: "docker" "start" "-a" "e0747816bbc873e5f776352b77ac116989ffa93ddc2e180441565dc0000a1765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0747816bbc873e5f776352b77ac116989ffa93ddc2e180441565dc0000a1765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0747816bbc873e5f776352b77ac116989ffa93ddc2e180441565dc0000a1765", kill_on_drop: false }`
[INFO] [stdout] e0747816bbc873e5f776352b77ac116989ffa93ddc2e180441565dc0000a1765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1f8586b8c872dfedc7f9daa93890b7b6dac5891c4f01e5cff7d3117e0e23ca6c
[INFO] running `Command { std: "docker" "start" "-a" "1f8586b8c872dfedc7f9daa93890b7b6dac5891c4f01e5cff7d3117e0e23ca6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling syncnal-macros v0.1.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling syncnal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.81s
[INFO] running `Command { std: "docker" "inspect" "1f8586b8c872dfedc7f9daa93890b7b6dac5891c4f01e5cff7d3117e0e23ca6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8586b8c872dfedc7f9daa93890b7b6dac5891c4f01e5cff7d3117e0e23ca6c", kill_on_drop: false }`
[INFO] [stdout] 1f8586b8c872dfedc7f9daa93890b7b6dac5891c4f01e5cff7d3117e0e23ca6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 79ea39524bc20ae9d0f0612dfd2ce2922321d432b941329f13838f95939614da
[INFO] running `Command { std: "docker" "start" "-a" "79ea39524bc20ae9d0f0612dfd2ce2922321d432b941329f13838f95939614da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syncnal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "79ea39524bc20ae9d0f0612dfd2ce2922321d432b941329f13838f95939614da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79ea39524bc20ae9d0f0612dfd2ce2922321d432b941329f13838f95939614da", kill_on_drop: false }`
[INFO] [stdout] 79ea39524bc20ae9d0f0612dfd2ce2922321d432b941329f13838f95939614da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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", kill_on_drop: false }`
[INFO] [stdout] 4f6affe98b6dbaffb9ebd888e4b6b1e99a1b7c428a9fd31cca88f7f4b664136e
[INFO] running `Command { std: "docker" "start" "-a" "4f6affe98b6dbaffb9ebd888e4b6b1e99a1b7c428a9fd31cca88f7f4b664136e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syncnal-4a700025f81096e7)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test effect::tests::effect_keeps_a_stable_signal_snapshot_within_one_execution ... ok
[INFO] [stdout] test effect::tests::effect_runs_immediately_and_reruns_on_dependency_change ... ok
[INFO] [stdout] test tests::reactive_model_whole_reads_rerun_for_any_field_change ... ok
[INFO] [stdout] test signal::tests::signal_supports_get_set_and_update ... ok
[INFO] [stdout] test effect::tests::watch_skips_the_initial_value_and_only_emits_distinct_changes ... ok
[INFO] [stdout] test tests::reactive_model_field_reads_only_rerun_for_that_field ... ok
[INFO] [stdout] test effect::tests::effect_coalesces_reentrant_updates_into_one_follow_up_run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syncnal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.97s; merged doctests compilation took 0.97s
[INFO] running `Command { std: "docker" "inspect" "4f6affe98b6dbaffb9ebd888e4b6b1e99a1b7c428a9fd31cca88f7f4b664136e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6affe98b6dbaffb9ebd888e4b6b1e99a1b7c428a9fd31cca88f7f4b664136e", kill_on_drop: false }`
[INFO] [stdout] 4f6affe98b6dbaffb9ebd888e4b6b1e99a1b7c428a9fd31cca88f7f4b664136e
