[INFO] fetching crate optional_struct 0.5.2... [INFO] testing optional_struct-0.5.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate optional_struct 0.5.2 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate optional_struct 0.5.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate optional_struct 0.5.2 [INFO] tweaked toml for crates.io crate optional_struct 0.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate optional_struct 0.5.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 90caf6fed311d7407c417d4e4fdf3ddcc68ddd7fb7e7cb74b56f4eb9b71da484 [INFO] running `Command { std: "docker" "start" "-a" "90caf6fed311d7407c417d4e4fdf3ddcc68ddd7fb7e7cb74b56f4eb9b71da484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90caf6fed311d7407c417d4e4fdf3ddcc68ddd7fb7e7cb74b56f4eb9b71da484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90caf6fed311d7407c417d4e4fdf3ddcc68ddd7fb7e7cb74b56f4eb9b71da484", kill_on_drop: false }` [INFO] [stdout] 90caf6fed311d7407c417d4e4fdf3ddcc68ddd7fb7e7cb74b56f4eb9b71da484 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a587566ecd2944ef6bbf3c1c5ebfecc86fc2e5d717bd96e84fb8f0b10f9a397f [INFO] running `Command { std: "docker" "start" "-a" "a587566ecd2944ef6bbf3c1c5ebfecc86fc2e5d717bd96e84fb8f0b10f9a397f", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling optional_struct_macro v0.5.2 [INFO] [stderr] Compiling optional_struct v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s [INFO] running `Command { std: "docker" "inspect" "a587566ecd2944ef6bbf3c1c5ebfecc86fc2e5d717bd96e84fb8f0b10f9a397f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a587566ecd2944ef6bbf3c1c5ebfecc86fc2e5d717bd96e84fb8f0b10f9a397f", kill_on_drop: false }` [INFO] [stdout] a587566ecd2944ef6bbf3c1c5ebfecc86fc2e5d717bd96e84fb8f0b10f9a397f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 394b90313240849f64ea392b6315ca30d70ea2f8b298db22a374480ae39e209e [INFO] running `Command { std: "docker" "start" "-a" "394b90313240849f64ea392b6315ca30d70ea2f8b298db22a374480ae39e209e", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling optional_struct v0.5.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "394b90313240849f64ea392b6315ca30d70ea2f8b298db22a374480ae39e209e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "394b90313240849f64ea392b6315ca30d70ea2f8b298db22a374480ae39e209e", kill_on_drop: false }` [INFO] [stdout] 394b90313240849f64ea392b6315ca30d70ea2f8b298db22a374480ae39e209e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 728907f66846584601e7165d6682177207deb94ebbee9df0df1e9a59cdc96674 [INFO] running `Command { std: "docker" "start" "-a" "728907f66846584601e7165d6682177207deb94ebbee9df0df1e9a59cdc96674", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optional_struct-c180c4a944feab25) [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] [stderr] Running tests/applicable_generic.rs (/opt/rustwide/target/debug/deps/applicable_generic-6361734608086ee7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running tests/base_option.rs (/opt/rustwide/target/debug/deps/base_option-bac979b7c4509a09) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/builder.rs (/opt/rustwide/target/debug/deps/builder-b979a5a4f0662ae5) [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 1 test [INFO] [stdout] test test_builder ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/generics.rs (/opt/rustwide/target/debug/deps/generics-3da02e083c755230) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running tests/nested.rs (/opt/rustwide/target/debug/deps/nested-ddbec54a6ada225d) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stderr] Running tests/nested_skip.rs (/opt/rustwide/target/debug/deps/nested_skip-e823cfa8ea6fe774) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options_nested_skip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/renamed.rs (/opt/rustwide/target/debug/deps/renamed-ef62f2645d9d8fdf) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] Running tests/reverse_wrapping.rs (/opt/rustwide/target/debug/deps/reverse_wrapping-53ae68579987c635) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options_reverse_wrapping ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/serde_skip.rs (/opt/rustwide/target/debug/deps/serde_skip-0edcd32e0e7ebc21) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_serde_skip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-7ec172f86e87d60e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/skip.rs (/opt/rustwide/target/debug/deps/skip-9b4943758d650b99) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_skip_wrapping ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/tuple_struct.rs (/opt/rustwide/target/debug/deps/tuple_struct-fa5a668ea7435820) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options_tuple_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/with_cfg_attribute.rs (/opt/rustwide/target/debug/deps/with_cfg_attribute-b97c88d9cbfb994e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_match_cfg_attributes ... ok [INFO] [stderr] Running tests/with_extra_derive.rs (/opt/rustwide/target/debug/deps/with_extra_derive-cdf31ac875df3377) [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_options ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/wrap_option.rs (/opt/rustwide/target/debug/deps/wrap_option-8f342bd53d9cc64e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_apply_double_wrap ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests optional_struct [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" "728907f66846584601e7165d6682177207deb94ebbee9df0df1e9a59cdc96674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "728907f66846584601e7165d6682177207deb94ebbee9df0df1e9a59cdc96674", kill_on_drop: false }` [INFO] [stdout] 728907f66846584601e7165d6682177207deb94ebbee9df0df1e9a59cdc96674