[INFO] fetching crate optional_struct_macro_impl 0.4.1...
[INFO] testing optional_struct_macro_impl-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate optional_struct_macro_impl 0.4.1 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optional_struct_macro_impl 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72f8ba9a6c8af7624997078cc6978274843730b70d775b1bc9b3283603c726a1
[INFO] running `Command { std: "docker" "start" "-a" "72f8ba9a6c8af7624997078cc6978274843730b70d775b1bc9b3283603c726a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f8ba9a6c8af7624997078cc6978274843730b70d775b1bc9b3283603c726a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f8ba9a6c8af7624997078cc6978274843730b70d775b1bc9b3283603c726a1", kill_on_drop: false }`
[INFO] [stdout] 72f8ba9a6c8af7624997078cc6978274843730b70d775b1bc9b3283603c726a1
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ba139d2989936a747be1455e942df53e10c31f09a7e1bcb2d951a57d59ca3d
[INFO] running `Command { std: "docker" "start" "-a" "85ba139d2989936a747be1455e942df53e10c31f09a7e1bcb2d951a57d59ca3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling optional_struct_macro_impl v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "85ba139d2989936a747be1455e942df53e10c31f09a7e1bcb2d951a57d59ca3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ba139d2989936a747be1455e942df53e10c31f09a7e1bcb2d951a57d59ca3d", kill_on_drop: false }`
[INFO] [stdout] 85ba139d2989936a747be1455e942df53e10c31f09a7e1bcb2d951a57d59ca3d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d60f2a9ae0e496feb7dcace80708c29ca7bb253a4f05dc31bf163d787136882
[INFO] running `Command { std: "docker" "start" "-a" "7d60f2a9ae0e496feb7dcace80708c29ca7bb253a4f05dc31bf163d787136882", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "7d60f2a9ae0e496feb7dcace80708c29ca7bb253a4f05dc31bf163d787136882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d60f2a9ae0e496feb7dcace80708c29ca7bb253a4f05dc31bf163d787136882", kill_on_drop: false }`
[INFO] [stdout] 7d60f2a9ae0e496feb7dcace80708c29ca7bb253a4f05dc31bf163d787136882
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91d8ae4852cb92253f0f8dd9f0d12123c2d41748d8bb8ae7d78f8ca12debc9a1
[INFO] running `Command { std: "docker" "start" "-a" "91d8ae4852cb92253f0f8dd9f0d12123c2d41748d8bb8ae7d78f8ca12debc9a1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_struct_macro_impl-f664fd28ae780353)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test::with_nested ... ok
[INFO] [stdout] test test::with_cfg_attributes ... ok
[INFO] [stdout] test test::with_redundant_derive ... ok
[INFO] [stdout] test test::with_serde_skip ... ok
[INFO] [stdout] test test::with_unrelated_derive ... ok
[INFO] [stdout] test test::basic_gen ... ok
[INFO] [stdout] test test::with_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "91d8ae4852cb92253f0f8dd9f0d12123c2d41748d8bb8ae7d78f8ca12debc9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d8ae4852cb92253f0f8dd9f0d12123c2d41748d8bb8ae7d78f8ca12debc9a1", kill_on_drop: false }`
[INFO] [stdout] 91d8ae4852cb92253f0f8dd9f0d12123c2d41748d8bb8ae7d78f8ca12debc9a1
