[INFO] cloning repository https://github.com/mathieu-lemay/json-struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieu-lemay/json-struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-lemay%2Fjson-struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-lemay%2Fjson-struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebc6547bb0bb425e17b4b9043535ad8206e09742
[INFO] testing mathieu-lemay/json-struct against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-lemay%2Fjson-struct" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-lemay/json-struct on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mathieu-lemay/json-struct
[INFO] finished tweaking git repo https://github.com/mathieu-lemay/json-struct
[INFO] tweaked toml for git repo https://github.com/mathieu-lemay/json-struct written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieu-lemay/json-struct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdcb1bb7b3081e7a77e7022b2185c25f71ddf59951e76c0fa2fdd58c8130df57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdcb1bb7b3081e7a77e7022b2185c25f71ddf59951e76c0fa2fdd58c8130df57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdcb1bb7b3081e7a77e7022b2185c25f71ddf59951e76c0fa2fdd58c8130df57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdcb1bb7b3081e7a77e7022b2185c25f71ddf59951e76c0fa2fdd58c8130df57", kill_on_drop: false }`
[INFO] [stdout] fdcb1bb7b3081e7a77e7022b2185c25f71ddf59951e76c0fa2fdd58c8130df57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47bba1d78781b096c88192e3dcd9d477a50b409c5d79476d622c476d66fc7d4a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47bba1d78781b096c88192e3dcd9d477a50b409c5d79476d622c476d66fc7d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling json-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `Command { std: "docker" "inspect" "47bba1d78781b096c88192e3dcd9d477a50b409c5d79476d622c476d66fc7d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bba1d78781b096c88192e3dcd9d477a50b409c5d79476d622c476d66fc7d4a", kill_on_drop: false }`
[INFO] [stdout] 47bba1d78781b096c88192e3dcd9d477a50b409c5d79476d622c476d66fc7d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e296203d5618fbd744d8c56512a25dff7b7d749639532d3d0c664cb635e32159
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e296203d5618fbd744d8c56512a25dff7b7d749639532d3d0c664cb635e32159", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-struct v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "e296203d5618fbd744d8c56512a25dff7b7d749639532d3d0c664cb635e32159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e296203d5618fbd744d8c56512a25dff7b7d749639532d3d0c664cb635e32159", kill_on_drop: false }`
[INFO] [stdout] e296203d5618fbd744d8c56512a25dff7b7d749639532d3d0c664cb635e32159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d848d04b7389e8014e6b4291463694f3a488a41f990da05997bfab986875ea4
[INFO] running `Command { std: "docker" "start" "-a" "9d848d04b7389e8014e6b4291463694f3a488a41f990da05997bfab986875ea4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_struct-978474551ce71873)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test test_escape_path_element::test_nothing_to_escape ... ok
[INFO] [stdout] test test_escape_path_element::test_test_escape_double_quotes ... ok
[INFO] [stdout] test test_print_value::test_print_bool ... ok
[INFO] [stdout] test test_escape_path_element::test_wrap_strings_with_non_alnum_chars_in_double_quotes ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_yaml_extension_returns_yaml_type ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_no_extension_returns_none ... ok
[INFO] [stdout] test test_print_value::test_print_array ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_single_extension_returns_the_extension ... ok
[INFO] [stdout] test test_print_value::test_print_str ... ok
[INFO] [stdout] test test_print_value::test_print_null ... ok
[INFO] [stdout] test test_print_value::test_print_number ... ok
[INFO] [stdout] test test_print_value::test_print_object ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_json_extension_returns_json_type ... ok
[INFO] [stdout] test test_detect_data_type::test_forcing_json_returns_json_type ... ok
[INFO] [stdout] test test_detect_data_type::test_forcing_yaml_returns_yaml_type ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_empty_string_returns_none ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_multiple_extensions_returns_the_first_extension ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_yml_extension_returns_yaml_type ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_full_path_returns_the_extension ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_any_unknown_extension_returns_json_type ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_no_extension_returns_json_type ... ok
[INFO] [stdout] test test_print_value::test_print_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d848d04b7389e8014e6b4291463694f3a488a41f990da05997bfab986875ea4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d848d04b7389e8014e6b4291463694f3a488a41f990da05997bfab986875ea4", kill_on_drop: false }`
[INFO] [stdout] 9d848d04b7389e8014e6b4291463694f3a488a41f990da05997bfab986875ea4