[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] 936bb0f56ac6c50c9c2f37c9861eb20f17467e0f
[INFO] testing mathieu-lemay/json-struct against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieu-lemay%2Fjson-struct" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieu-lemay/json-struct on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-6/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded built v0.5.1
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded cargo-lock v7.0.1
[INFO] [stderr]   Downloaded git2 v0.13.23
[INFO] [stderr]   Downloaded syn v1.0.77
[INFO] [stderr]   Downloaded libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e423a4822448dcfb678ad6aea8893f3f84e0cbffd0bf958e1fa2c01f3f1d3133
[INFO] running `Command { std: "docker" "start" "-a" "e423a4822448dcfb678ad6aea8893f3f84e0cbffd0bf958e1fa2c01f3f1d3133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e423a4822448dcfb678ad6aea8893f3f84e0cbffd0bf958e1fa2c01f3f1d3133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e423a4822448dcfb678ad6aea8893f3f84e0cbffd0bf958e1fa2c01f3f1d3133", kill_on_drop: false }`
[INFO] [stdout] e423a4822448dcfb678ad6aea8893f3f84e0cbffd0bf958e1fa2c01f3f1d3133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76bfc6658e6db5c4b8ac6e16d917415e21bd2884a3d6aa4a61c6f89723008066
[INFO] running `Command { std: "docker" "start" "-a" "76bfc6658e6db5c4b8ac6e16d917415e21bd2884a3d6aa4a61c6f89723008066", 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] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling cargo-lock v7.0.1
[INFO] [stderr]    Compiling built v0.5.1
[INFO] [stderr]    Compiling json-struct v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.94s
[INFO] running `Command { std: "docker" "inspect" "76bfc6658e6db5c4b8ac6e16d917415e21bd2884a3d6aa4a61c6f89723008066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bfc6658e6db5c4b8ac6e16d917415e21bd2884a3d6aa4a61c6f89723008066", kill_on_drop: false }`
[INFO] [stdout] 76bfc6658e6db5c4b8ac6e16d917415e21bd2884a3d6aa4a61c6f89723008066
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e2484041d2477310f8c736008fba291d25d74b1d615c0e00a23ea18b8383ca
[INFO] running `Command { std: "docker" "start" "-a" "c5e2484041d2477310f8c736008fba291d25d74b1d615c0e00a23ea18b8383ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-struct v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "c5e2484041d2477310f8c736008fba291d25d74b1d615c0e00a23ea18b8383ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e2484041d2477310f8c736008fba291d25d74b1d615c0e00a23ea18b8383ca", kill_on_drop: false }`
[INFO] [stdout] c5e2484041d2477310f8c736008fba291d25d74b1d615c0e00a23ea18b8383ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32adf9303e19ca07bdfcb74a03d2574a7eb0e4ea0c48bbf1a851039f0ad4e989
[INFO] running `Command { std: "docker" "start" "-a" "32adf9303e19ca07bdfcb74a03d2574a7eb0e4ea0c48bbf1a851039f0ad4e989", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_struct-1dd7803a424f6f3e)
[INFO] [stdout] running 23 tests
[INFO] [stdout] test test_detect_data_type::test_file_with_json_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_detect_data_type::test_file_with_any_unknown_extension_returns_json_type ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_yaml_extension_returns_yaml_type ... ok
[INFO] [stdout] test test_detect_data_type::test_file_with_yml_extension_returns_yaml_type ... ok
[INFO] [stdout] test test_detect_data_type::test_forcing_json_returns_json_type ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_full_path_returns_the_extension ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_no_extension_returns_none ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_single_extension_returns_the_extension ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_file_with_multiple_extensions_returns_the_first_extension ... ok
[INFO] [stdout] test test_print_value::test_empty_dicts_and_arrays_are_output ... ok
[INFO] [stdout] test test_print_value::test_print_array ... ok
[INFO] [stdout] test test_print_value::test_print_bool ... ok
[INFO] [stdout] test test_print_value::test_print_complex ... ok
[INFO] [stdout] test test_print_value::test_print_null ... ok
[INFO] [stdout] test test_print_value::test_print_str ... ok
[INFO] [stdout] test test_print_value::test_print_number ... ok
[INFO] [stdout] test test_get_extension_from_filename::test_empty_string_returns_none ... ok
[INFO] [stdout] test test_escape_path_element::test_nothing_to_escape ... ok
[INFO] [stdout] test test_detect_data_type::test_forcing_yaml_returns_yaml_type ... ok
[INFO] [stdout] test test_escape_path_element::test_wrap_strings_with_non_alnum_chars_in_double_quotes ... ok
[INFO] [stdout] test test_escape_path_element::test_test_escape_double_quotes ... ok
[INFO] [stdout] test test_print_value::test_print_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32adf9303e19ca07bdfcb74a03d2574a7eb0e4ea0c48bbf1a851039f0ad4e989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32adf9303e19ca07bdfcb74a03d2574a7eb0e4ea0c48bbf1a851039f0ad4e989", kill_on_drop: false }`
[INFO] [stdout] 32adf9303e19ca07bdfcb74a03d2574a7eb0e4ea0c48bbf1a851039f0ad4e989