[INFO] fetching crate structscan 0.1.0...
[INFO] testing structscan-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate structscan 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate structscan 0.1.0
[INFO] finished tweaking crates.io crate structscan 0.1.0
[INFO] tweaked toml for crates.io crate structscan 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate structscan 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5467c9209826ac0eb85140e50b39acd248bf1346bc2ed8c33547b3d23cdda597
[INFO] running `Command { std: "docker" "start" "-a" "5467c9209826ac0eb85140e50b39acd248bf1346bc2ed8c33547b3d23cdda597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5467c9209826ac0eb85140e50b39acd248bf1346bc2ed8c33547b3d23cdda597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5467c9209826ac0eb85140e50b39acd248bf1346bc2ed8c33547b3d23cdda597", kill_on_drop: false }`
[INFO] [stdout] 5467c9209826ac0eb85140e50b39acd248bf1346bc2ed8c33547b3d23cdda597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c9f0eeb80f46205b0e7d2d244693b5eb8a4a85a091e17624961feee4be111bc7
[INFO] running `Command { std: "docker" "start" "-a" "c9f0eeb80f46205b0e7d2d244693b5eb8a4a85a091e17624961feee4be111bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling structscan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "c9f0eeb80f46205b0e7d2d244693b5eb8a4a85a091e17624961feee4be111bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9f0eeb80f46205b0e7d2d244693b5eb8a4a85a091e17624961feee4be111bc7", kill_on_drop: false }`
[INFO] [stdout] c9f0eeb80f46205b0e7d2d244693b5eb8a4a85a091e17624961feee4be111bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2d71495a1e75188c8e49d26cc03145de4f57f60531b1297428dc8acc99e5a2b1
[INFO] running `Command { std: "docker" "start" "-a" "2d71495a1e75188c8e49d26cc03145de4f57f60531b1297428dc8acc99e5a2b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling structscan_derive v0.1.0
[INFO] [stderr]    Compiling structscan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "2d71495a1e75188c8e49d26cc03145de4f57f60531b1297428dc8acc99e5a2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d71495a1e75188c8e49d26cc03145de4f57f60531b1297428dc8acc99e5a2b1", kill_on_drop: false }`
[INFO] [stdout] 2d71495a1e75188c8e49d26cc03145de4f57f60531b1297428dc8acc99e5a2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d54e0497aaf36d240d9bf9bab0dde08f906e47abbf7822cd4c3f2f08b215f4ef
[INFO] running `Command { std: "docker" "start" "-a" "d54e0497aaf36d240d9bf9bab0dde08f906e47abbf7822cd4c3f2f08b215f4ef", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/structscan-34a11bbc8a8a11c2)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests structscan
[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] [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" "d54e0497aaf36d240d9bf9bab0dde08f906e47abbf7822cd4c3f2f08b215f4ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54e0497aaf36d240d9bf9bab0dde08f906e47abbf7822cd4c3f2f08b215f4ef", kill_on_drop: false }`
[INFO] [stdout] d54e0497aaf36d240d9bf9bab0dde08f906e47abbf7822cd4c3f2f08b215f4ef