[INFO] fetching crate variants-macros 0.0.1...
[INFO] testing variants-macros-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate variants-macros 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate variants-macros 0.0.1
[INFO] finished tweaking crates.io crate variants-macros 0.0.1
[INFO] tweaked toml for crates.io crate variants-macros 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variants-macros 0.0.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate variants-macros 0.0.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fea028f1d8d49a9e0196682de81c298e109f3d752c0e9ff7dacea96ea647e342
[INFO] running `Command { std: "docker" "start" "-a" "fea028f1d8d49a9e0196682de81c298e109f3d752c0e9ff7dacea96ea647e342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea028f1d8d49a9e0196682de81c298e109f3d752c0e9ff7dacea96ea647e342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea028f1d8d49a9e0196682de81c298e109f3d752c0e9ff7dacea96ea647e342", kill_on_drop: false }`
[INFO] [stdout] fea028f1d8d49a9e0196682de81c298e109f3d752c0e9ff7dacea96ea647e342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4896cf61fe59b29f4a36e70a67d69df6e063b58f48d7aac7f025388b7e0d9753
[INFO] running `Command { std: "docker" "start" "-a" "4896cf61fe59b29f4a36e70a67d69df6e063b58f48d7aac7f025388b7e0d9753", kill_on_drop: false }`
[INFO] [stderr]    Compiling variants-macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "4896cf61fe59b29f4a36e70a67d69df6e063b58f48d7aac7f025388b7e0d9753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4896cf61fe59b29f4a36e70a67d69df6e063b58f48d7aac7f025388b7e0d9753", kill_on_drop: false }`
[INFO] [stdout] 4896cf61fe59b29f4a36e70a67d69df6e063b58f48d7aac7f025388b7e0d9753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4593dabb0d2912914c1cd2696dfd4409692ef38180665dc189eacbca62d321d6
[INFO] running `Command { std: "docker" "start" "-a" "4593dabb0d2912914c1cd2696dfd4409692ef38180665dc189eacbca62d321d6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "4593dabb0d2912914c1cd2696dfd4409692ef38180665dc189eacbca62d321d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4593dabb0d2912914c1cd2696dfd4409692ef38180665dc189eacbca62d321d6", kill_on_drop: false }`
[INFO] [stdout] 4593dabb0d2912914c1cd2696dfd4409692ef38180665dc189eacbca62d321d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc4b9d2f768436d62c4b4958d6cc8696253c434b4891d2dfbfd3810d9f197b36
[INFO] running `Command { std: "docker" "start" "-a" "bc4b9d2f768436d62c4b4958d6cc8696253c434b4891d2dfbfd3810d9f197b36", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `Command { std: "docker" "inspect" "bc4b9d2f768436d62c4b4958d6cc8696253c434b4891d2dfbfd3810d9f197b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4b9d2f768436d62c4b4958d6cc8696253c434b4891d2dfbfd3810d9f197b36", kill_on_drop: false }`
[INFO] [stdout] bc4b9d2f768436d62c4b4958d6cc8696253c434b4891d2dfbfd3810d9f197b36