[INFO] fetching crate optional_struct_macro_impl 0.4.1...
[INFO] testing optional_struct_macro_impl-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate optional_struct_macro_impl 0.4.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate optional_struct_macro_impl 0.4.1
[INFO] finished tweaking crates.io crate optional_struct_macro_impl 0.4.1
[INFO] tweaked toml for crates.io crate optional_struct_macro_impl 0.4.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optional_struct_macro_impl 0.4.1 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] 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]      Locking 4 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5edee940b71303a8f85386fd3ca81790563682d3ca0333e1207dec4aa37dbd76
[INFO] running `Command { std: "docker" "start" "-a" "5edee940b71303a8f85386fd3ca81790563682d3ca0333e1207dec4aa37dbd76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5edee940b71303a8f85386fd3ca81790563682d3ca0333e1207dec4aa37dbd76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edee940b71303a8f85386fd3ca81790563682d3ca0333e1207dec4aa37dbd76", kill_on_drop: false }`
[INFO] [stdout] 5edee940b71303a8f85386fd3ca81790563682d3ca0333e1207dec4aa37dbd76
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be6b4800e22e09b566dd3061af8ac6a96dddba428641d5bd4578ff843a80b1c9
[INFO] running `Command { std: "docker" "start" "-a" "be6b4800e22e09b566dd3061af8ac6a96dddba428641d5bd4578ff843a80b1c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling optional_struct_macro_impl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "be6b4800e22e09b566dd3061af8ac6a96dddba428641d5bd4578ff843a80b1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be6b4800e22e09b566dd3061af8ac6a96dddba428641d5bd4578ff843a80b1c9", kill_on_drop: false }`
[INFO] [stdout] be6b4800e22e09b566dd3061af8ac6a96dddba428641d5bd4578ff843a80b1c9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09750b926c884bcb9a6ad3f652468a284832d4b5cf43756e14f70f9a1dc3915e
[INFO] running `Command { std: "docker" "start" "-a" "09750b926c884bcb9a6ad3f652468a284832d4b5cf43756e14f70f9a1dc3915e", kill_on_drop: false }`
[INFO] [stderr]    Compiling optional_struct_macro_impl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "09750b926c884bcb9a6ad3f652468a284832d4b5cf43756e14f70f9a1dc3915e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09750b926c884bcb9a6ad3f652468a284832d4b5cf43756e14f70f9a1dc3915e", kill_on_drop: false }`
[INFO] [stdout] 09750b926c884bcb9a6ad3f652468a284832d4b5cf43756e14f70f9a1dc3915e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1955764e590f8f01c1fbfd3e2e1326d87dfee74bc099ac78b3726723c254c99
[INFO] running `Command { std: "docker" "start" "-a" "d1955764e590f8f01c1fbfd3e2e1326d87dfee74bc099ac78b3726723c254c99", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_struct_macro_impl-cc2de9dcd74d1ccb)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::basic_gen ... ok
[INFO] [stdout] test test::with_nested ... ok
[INFO] [stdout] test test::with_option ... ok
[INFO] [stdout] test test::with_cfg_attributes ... ok
[INFO] [stdout] test test::with_unrelated_derive ... ok
[INFO] [stdout] test test::with_serde_skip ... ok
[INFO] [stdout] test test::with_redundant_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optional_struct_macro_impl
[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" "d1955764e590f8f01c1fbfd3e2e1326d87dfee74bc099ac78b3726723c254c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1955764e590f8f01c1fbfd3e2e1326d87dfee74bc099ac78b3726723c254c99", kill_on_drop: false }`
[INFO] [stdout] d1955764e590f8f01c1fbfd3e2e1326d87dfee74bc099ac78b3726723c254c99