[INFO] fetching crate flatten-json-object 0.6.1...
[INFO] testing flatten-json-object-0.6.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate flatten-json-object 0.6.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate flatten-json-object 0.6.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flatten-json-object 0.6.1
[INFO] tweaked toml for crates.io crate flatten-json-object 0.6.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatten-json-object 0.6.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flatten-json-object 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded rstest v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 999e7a66d9a4efde970f669efc82d4327a1aea8afdc6e7279d0219bf20428ace
[INFO] running `Command { std: "docker" "start" "-a" "999e7a66d9a4efde970f669efc82d4327a1aea8afdc6e7279d0219bf20428ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "999e7a66d9a4efde970f669efc82d4327a1aea8afdc6e7279d0219bf20428ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "999e7a66d9a4efde970f669efc82d4327a1aea8afdc6e7279d0219bf20428ace", kill_on_drop: false }`
[INFO] [stdout] 999e7a66d9a4efde970f669efc82d4327a1aea8afdc6e7279d0219bf20428ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 89da230002f3d535c6689abb26a3319941c19e1f78a09f6b2e8dbfb08d38fb5d
[INFO] running `Command { std: "docker" "start" "-a" "89da230002f3d535c6689abb26a3319941c19e1f78a09f6b2e8dbfb08d38fb5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[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 ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[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 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `Command { std: "docker" "inspect" "89da230002f3d535c6689abb26a3319941c19e1f78a09f6b2e8dbfb08d38fb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89da230002f3d535c6689abb26a3319941c19e1f78a09f6b2e8dbfb08d38fb5d", kill_on_drop: false }`
[INFO] [stdout] 89da230002f3d535c6689abb26a3319941c19e1f78a09f6b2e8dbfb08d38fb5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f8ba0b33aa6e7ec8a7c8b4d5b6f053875b36af1d144735dbae7573fd4b864f03
[INFO] running `Command { std: "docker" "start" "-a" "f8ba0b33aa6e7ec8a7c8b4d5b6f053875b36af1d144735dbae7573fd4b864f03", 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 log v0.4.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.51s
[INFO] running `Command { std: "docker" "inspect" "f8ba0b33aa6e7ec8a7c8b4d5b6f053875b36af1d144735dbae7573fd4b864f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ba0b33aa6e7ec8a7c8b4d5b6f053875b36af1d144735dbae7573fd4b864f03", kill_on_drop: false }`
[INFO] [stdout] f8ba0b33aa6e7ec8a7c8b4d5b6f053875b36af1d144735dbae7573fd4b864f03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5e55a2ad6e8631aec390a6a70938c25054fdae6a0e8427d4f8402ede2800f91b
[INFO] running `Command { std: "docker" "start" "-a" "5e55a2ad6e8631aec390a6a70938c25054fdae6a0e8427d4f8402ede2800f91b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/flatten_json_object-d109a4a11e264dca)
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test tests::array_formatting_plain::case_3 ... 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_plain::case_2 ... 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_1 ... ok
[INFO] [stdout] test tests::array_formatting_plain::case_1 ... 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_1 ... 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_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_1 ... 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_2::array_fmt_end_2 ... 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_2::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_3::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::array_formatting_surrouded::key_separator_3::array_fmt_start_1::array_fmt_end_3 ... ok
[INFO] [stdout] test tests::complex_array ... ok
[INFO] [stdout] test tests::empty_object ... ok
[INFO] [stdout] test tests::empty_string_as_key ... 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_object_preserved ... ok
[INFO] [stdout] test tests::empty_complex_object ... ok
[INFO] [stdout] test tests::empty_objects_and_arrays_preserved ... ok
[INFO] [stdout] test tests::nested_multiple_key_value ... ok
[INFO] [stdout] test tests::nested_object_with_empty_array_and_string ... ok
[INFO] [stdout] test tests::empty_top_object::preserve_empty_objects_1 ... ok
[INFO] [stdout] test tests::nested_object_with_empty_object_and_string ... ok
[INFO] [stdout] test tests::empty_top_object::preserve_empty_objects_2 ... 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::object_with_plain_values::case_1 ... ok
[INFO] [stdout] test tests::object_with_plain_values::case_2 ... ok
[INFO] [stdout] test tests::nested_single_key_value ... 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. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e55a2ad6e8631aec390a6a70938c25054fdae6a0e8427d4f8402ede2800f91b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e55a2ad6e8631aec390a6a70938c25054fdae6a0e8427d4f8402ede2800f91b", kill_on_drop: false }`
[INFO] [stdout] 5e55a2ad6e8631aec390a6a70938c25054fdae6a0e8427d4f8402ede2800f91b