[INFO] fetching crate flatten-json-object 0.3.0...
[INFO] testing flatten-json-object-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flatten-json-object 0.3.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate flatten-json-object 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatten-json-object 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flatten-json-object 0.3.0
[INFO] tweaked toml for crates.io crate flatten-json-object 0.3.0 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate flatten-json-object 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde4cd805ced634f3d117beb4a38655d29caf252fe2e4a72696d5129bf83b140
[INFO] running `Command { std: "docker" "start" "-a" "fde4cd805ced634f3d117beb4a38655d29caf252fe2e4a72696d5129bf83b140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde4cd805ced634f3d117beb4a38655d29caf252fe2e4a72696d5129bf83b140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde4cd805ced634f3d117beb4a38655d29caf252fe2e4a72696d5129bf83b140", kill_on_drop: false }`
[INFO] [stdout] fde4cd805ced634f3d117beb4a38655d29caf252fe2e4a72696d5129bf83b140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f22b64a780c5c2c96cbb4972da9884a9eda461fc4813e9e4108024e363848e5
[INFO] running `Command { std: "docker" "start" "-a" "8f22b64a780c5c2c96cbb4972da9884a9eda461fc4813e9e4108024e363848e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling flatten-json-object v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "8f22b64a780c5c2c96cbb4972da9884a9eda461fc4813e9e4108024e363848e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f22b64a780c5c2c96cbb4972da9884a9eda461fc4813e9e4108024e363848e5", kill_on_drop: false }`
[INFO] [stdout] 8f22b64a780c5c2c96cbb4972da9884a9eda461fc4813e9e4108024e363848e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 057f35576f3654ec8276ad4f1402fabe7c0dfec2b6b308a586a561ad456ec59d
[INFO] running `Command { std: "docker" "start" "-a" "057f35576f3654ec8276ad4f1402fabe7c0dfec2b6b308a586a561ad456ec59d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling flatten-json-object v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.81s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatten_json_object-8785c3420e598479)
[INFO] running `Command { std: "docker" "inspect" "057f35576f3654ec8276ad4f1402fabe7c0dfec2b6b308a586a561ad456ec59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057f35576f3654ec8276ad4f1402fabe7c0dfec2b6b308a586a561ad456ec59d", kill_on_drop: false }`
[INFO] [stdout] 057f35576f3654ec8276ad4f1402fabe7c0dfec2b6b308a586a561ad456ec59d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72fe1c2ce43a8b8563980bad2527428389180def41c9a413d8ac55bbadc890ee
[INFO] running `Command { std: "docker" "start" "-a" "72fe1c2ce43a8b8563980bad2527428389180def41c9a413d8ac55bbadc890ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flatten_json_object-8785c3420e598479)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test tests::array_formatting_plain::case_2 ... ok
[INFO] [stdout] test tests::array_formatting_plain::case_3 ... ok
[INFO] [stdout] test tests::array_formatting_plain::case_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_1::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_1::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_1::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_2::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_2::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_2::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_3::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_3::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_1::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_1::array_fmt_start_3::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_1::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_1::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_2::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_2::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_2::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_3::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_3::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_2::array_fmt_start_3::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_1::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_1::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_1::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_2::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_2::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_2::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_3::array_fmt_end_1 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_3::array_fmt_end_2 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_3::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::complex_array ... ok
[INFO] [stdout] test tests::complex_nested_struct ... ok
[INFO] [stdout] test tests::empty_array ... ok
[INFO] [stdout] test tests::empty_array_preserved ... ok
[INFO] [stdout] test tests::empty_complex_object ... ok
[INFO] [stdout] test tests::empty_object ... ok
[INFO] [stdout] test tests::empty_object_preserved ... ok
[INFO] [stdout] test tests::empty_objects_and_arrays_preserved ... ok
[INFO] [stdout] test tests::empty_string_as_key ... ok
[INFO] [stdout] test tests::empty_string_as_key_multiple_times ... ok
[INFO] [stdout] test tests::first_level_must_be_an_object ... ok
[INFO] [stdout] test tests::nested_multiple_key_value ... ok
[INFO] [stdout] test tests::nested_object_with_empty_object_and_string ... ok
[INFO] [stdout] test tests::nested_object_with_empty_array_and_string ... ok
[INFO] [stdout] test tests::nested_single_key_value ... ok
[INFO] [stdout] test tests::object_with_plain_values::case_1 ... ok
[INFO] [stdout] test tests::object_with_plain_values::case_2 ... ok
[INFO] [stdout] test tests::object_with_plain_values::case_3 ... ok
[INFO] [stdout] test tests::overlapping_after_flattening_array ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flatten-json-object
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72fe1c2ce43a8b8563980bad2527428389180def41c9a413d8ac55bbadc890ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fe1c2ce43a8b8563980bad2527428389180def41c9a413d8ac55bbadc890ee", kill_on_drop: false }`
[INFO] [stdout] 72fe1c2ce43a8b8563980bad2527428389180def41c9a413d8ac55bbadc890ee