[INFO] fetching crate zugzwang 0.1.0...
[INFO] testing zugzwang-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zugzwang 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zugzwang 0.1.0
[INFO] finished tweaking crates.io crate zugzwang 0.1.0
[INFO] tweaked toml for crates.io crate zugzwang 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zugzwang 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 zugzwang 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] 115b44654c8fb69a7ca9f040a92dc440ffdc91f7f80cc59f57d0b9a3e71d6204
[INFO] running `Command { std: "docker" "start" "-a" "115b44654c8fb69a7ca9f040a92dc440ffdc91f7f80cc59f57d0b9a3e71d6204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115b44654c8fb69a7ca9f040a92dc440ffdc91f7f80cc59f57d0b9a3e71d6204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115b44654c8fb69a7ca9f040a92dc440ffdc91f7f80cc59f57d0b9a3e71d6204", kill_on_drop: false }`
[INFO] [stdout] 115b44654c8fb69a7ca9f040a92dc440ffdc91f7f80cc59f57d0b9a3e71d6204
[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] 97028d9be2567cb537e14bdd7f03bac08fc0e2a6e6f59de388ef3dede463d66b
[INFO] running `Command { std: "docker" "start" "-a" "97028d9be2567cb537e14bdd7f03bac08fc0e2a6e6f59de388ef3dede463d66b", kill_on_drop: false }`
[INFO] [stderr]    Compiling zugzwang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "97028d9be2567cb537e14bdd7f03bac08fc0e2a6e6f59de388ef3dede463d66b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97028d9be2567cb537e14bdd7f03bac08fc0e2a6e6f59de388ef3dede463d66b", kill_on_drop: false }`
[INFO] [stdout] 97028d9be2567cb537e14bdd7f03bac08fc0e2a6e6f59de388ef3dede463d66b
[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] 2a9a4859086939f14258930ee342ec0b53c07be2cd4972e067d28dfcaef0b998
[INFO] running `Command { std: "docker" "start" "-a" "2a9a4859086939f14258930ee342ec0b53c07be2cd4972e067d28dfcaef0b998", kill_on_drop: false }`
[INFO] [stderr]    Compiling zugzwang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "2a9a4859086939f14258930ee342ec0b53c07be2cd4972e067d28dfcaef0b998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9a4859086939f14258930ee342ec0b53c07be2cd4972e067d28dfcaef0b998", kill_on_drop: false }`
[INFO] [stdout] 2a9a4859086939f14258930ee342ec0b53c07be2cd4972e067d28dfcaef0b998
[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] f6a732528b759e9ac1531e37693257d02cc43257209de2df34653f50f5c83f0a
[INFO] running `Command { std: "docker" "start" "-a" "f6a732528b759e9ac1531e37693257d02cc43257209de2df34653f50f5c83f0a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zugzwang-b871a5d7148d3f22)
[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" "f6a732528b759e9ac1531e37693257d02cc43257209de2df34653f50f5c83f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a732528b759e9ac1531e37693257d02cc43257209de2df34653f50f5c83f0a", kill_on_drop: false }`
[INFO] [stdout] f6a732528b759e9ac1531e37693257d02cc43257209de2df34653f50f5c83f0a