[INFO] fetching crate json-objects-to-csv 0.1.3...
[INFO] testing json-objects-to-csv-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate json-objects-to-csv 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate json-objects-to-csv 0.1.3
[INFO] finished tweaking crates.io crate json-objects-to-csv 0.1.3
[INFO] tweaked toml for crates.io crate json-objects-to-csv 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-objects-to-csv 0.1.3 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 50 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.16.0 (available: v0.26.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 5af17056f44c8b9e9d03654e152623d6c9f57ea537dec51d028ff43b6bedff4c
[INFO] running `Command { std: "docker" "start" "-a" "5af17056f44c8b9e9d03654e152623d6c9f57ea537dec51d028ff43b6bedff4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5af17056f44c8b9e9d03654e152623d6c9f57ea537dec51d028ff43b6bedff4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5af17056f44c8b9e9d03654e152623d6c9f57ea537dec51d028ff43b6bedff4c", kill_on_drop: false }`
[INFO] [stdout] 5af17056f44c8b9e9d03654e152623d6c9f57ea537dec51d028ff43b6bedff4c
[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] 71ca6e04a155e0d88c1bed83acf4ab48ed715b9626a6ac68bd578136bdc0ec4c
[INFO] running `Command { std: "docker" "start" "-a" "71ca6e04a155e0d88c1bed83acf4ab48ed715b9626a6ac68bd578136bdc0ec4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling flatten-json-object v0.6.1
[INFO] [stderr]    Compiling json-objects-to-csv v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "71ca6e04a155e0d88c1bed83acf4ab48ed715b9626a6ac68bd578136bdc0ec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ca6e04a155e0d88c1bed83acf4ab48ed715b9626a6ac68bd578136bdc0ec4c", kill_on_drop: false }`
[INFO] [stdout] 71ca6e04a155e0d88c1bed83acf4ab48ed715b9626a6ac68bd578136bdc0ec4c
[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] a404723a926b096df9c88976fca1bd02762328493c2de8a735114b87132ce4fd
[INFO] running `Command { std: "docker" "start" "-a" "a404723a926b096df9c88976fca1bd02762328493c2de8a735114b87132ce4fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling flatten-json-object v0.6.1
[INFO] [stderr]    Compiling json-objects-to-csv v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rstest v0.16.0
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "a404723a926b096df9c88976fca1bd02762328493c2de8a735114b87132ce4fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a404723a926b096df9c88976fca1bd02762328493c2de8a735114b87132ce4fd", kill_on_drop: false }`
[INFO] [stdout] a404723a926b096df9c88976fca1bd02762328493c2de8a735114b87132ce4fd
[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] 6257855ea84c9a6d37922f636b1ed658d4e0d154ad9802c825d7e2c62c9a8513
[INFO] running `Command { std: "docker" "start" "-a" "6257855ea84c9a6d37922f636b1ed658d4e0d154ad9802c825d7e2c62c9a8513", 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/json_objects_to_csv-da41d4ce46b45a37)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_1_empty_string ... ok
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_3_multiple_empty_json_docs ... ok
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_4_empty_array ... ok
[INFO] [stdout] test tests::duplicated_keys_last_wins ... ok
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_6_empty_array_obj_and_json_doc ... ok
[INFO] [stdout] test tests::error_on_collision::case_1_in_one_object ... ok
[INFO] [stdout] test tests::error_on_collision::case_2_in_different_objects ... ok
[INFO] [stdout] test tests::error_on_collision_array_formatting::case_1_in_one_object ... ok
[INFO] [stdout] test tests::not_preserved_empty::case_3_empty_obj ... ok
[INFO] [stdout] test tests::error_on_collision_array_formatting::case_2_in_different_objects ... ok
[INFO] [stdout] test tests::not_preserved_empty::case_2_empty_array_extra_obj ... ok
[INFO] [stdout] test tests::not_preserved_empty::case_4_empty_obj_extra_obj ... ok
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_2_empty_json_doc ... ok
[INFO] [stdout] test tests::simple_input::case_1_nesting_and_array::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_1_nesting_and_array::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_1_nesting_and_array::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::preserved_empty::case_1_empty_array ... ok
[INFO] [stdout] test tests::simple_input::case_2_spaces_end::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::preserved_empty::case_3_empty_obj ... ok
[INFO] [stdout] test tests::not_preserved_empty::case_5_empty_obj_extra_obj ... ok
[INFO] [stdout] test tests::simple_input::case_2_spaces_end::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::preserved_empty::case_2_empty_array_extra_obj ... ok
[INFO] [stdout] test tests::simple_input::case_1_nesting_and_array::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::not_preserved_empty::case_1_empty_array ... ok
[INFO] [stdout] test tests::preserved_empty::case_4_empty_obj_extra_obj ... ok
[INFO] [stdout] test tests::simple_input::case_2_spaces_end::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_2_spaces_end::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_3_spaces_begin::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_3_spaces_begin::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_3_spaces_begin::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_3_spaces_begin::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_4_key_repeats_consistently::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_4_key_repeats_consistently::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_4_key_repeats_consistently::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_5_reordering::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_6_reordering_with_empty_array::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_4_key_repeats_consistently::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_5_reordering::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_6_reordering_with_empty_array::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_5_reordering::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_5_reordering::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_6_reordering_with_empty_array::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_6_reordering_with_empty_array::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_7_reordering_with_empty_object::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_7_reordering_with_empty_object::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_7_reordering_with_empty_object::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_7_reordering_with_empty_object::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_8_reordering_with_missing::preserve_empty_arrays_1_true::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_8_reordering_with_missing::preserve_empty_arrays_1_true::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::simple_input::case_8_reordering_with_missing::preserve_empty_arrays_2_false::preserve_empty_objects_1_true ... ok
[INFO] [stdout] test tests::simple_input::case_8_reordering_with_missing::preserve_empty_arrays_2_false::preserve_empty_objects_2_false ... ok
[INFO] [stdout] test tests::empty_csv_when_no_headers::case_5_empty_obj ... ok
[INFO] [stderr]    Doc-tests json_objects_to_csv
[INFO] [stdout] test tests::no_reordering_on_non_default_separators ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6257855ea84c9a6d37922f636b1ed658d4e0d154ad9802c825d7e2c62c9a8513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6257855ea84c9a6d37922f636b1ed658d4e0d154ad9802c825d7e2c62c9a8513", kill_on_drop: false }`
[INFO] [stdout] 6257855ea84c9a6d37922f636b1ed658d4e0d154ad9802c825d7e2c62c9a8513