[INFO] fetching crate hugo_to_json 0.3.4...
[INFO] checking hugo_to_json-0.3.4 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate hugo_to_json 0.3.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate hugo_to_json 0.3.4 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hugo_to_json 0.3.4
[INFO] finished tweaking crates.io crate hugo_to_json 0.3.4
[INFO] tweaked toml for crates.io crate hugo_to_json 0.3.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strip_markdown v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e764cd276945a4b0988a7d5c4998267c14aedd934f42c9c3b2460317b3c7815e
[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" "e764cd276945a4b0988a7d5c4998267c14aedd934f42c9c3b2460317b3c7815e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e764cd276945a4b0988a7d5c4998267c14aedd934f42c9c3b2460317b3c7815e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e764cd276945a4b0988a7d5c4998267c14aedd934f42c9c3b2460317b3c7815e", kill_on_drop: false }`
[INFO] [stdout] e764cd276945a4b0988a7d5c4998267c14aedd934f42c9c3b2460317b3c7815e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4abe605f0446119fc391082be66c6bd4e547073eecc6e73c93fc27b2ea895a63
[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" "4abe605f0446119fc391082be66c6bd4e547073eecc6e73c93fc27b2ea895a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking strip_markdown v0.1.1
[INFO] [stderr]     Checking hugo_to_json v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hugo_to_json_error.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hugo_to_json_error.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:76:49
[INFO] [stdout]    |
[INFO] [stdout] 76 |             HugotoJsonError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |             HugotoJsonError::Meta(ref err) => err.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:78:60
[INFO] [stdout]    |
[INFO] [stdout] 78 |             HugotoJsonError::Serialization(ref err) => err.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:153:49
[INFO] [stdout]     |
[INFO] [stdout] 153 |             OperationResult::Io(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:154:52
[INFO] [stdout]     |
[INFO] [stdout] 154 |             OperationResult::Parse(ref err) => err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             OperationResult::Skip(ref err) => err.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |             OperationResult::Path(ref err) => err.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/cli.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn input_folder_doesnt_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/cli.rs:29:68
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn output_folder_is_created_if_it_doesnt_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/cli.rs:62:58
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn output_destination_is_a_directory() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/cli.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn hidden_files_are_skipped() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:115:57
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn skips_everything_except_md_files() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:157:48
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn skips_drafts_by_default() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:193:71
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn malformed_toml_produces_warning_and_exit_error() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:230:71
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn malformed_yaml_produces_warning_and_exit_error() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:272:57
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn correctly_produces_json_for_yaml() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:312:57
[INFO] [stdout]     |
[INFO] [stdout] 312 | fn correctly_produces_json_for_toml() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> tests/cli.rs:351:65
[INFO] [stdout]     |
[INFO] [stdout] 351 | fn correctly_handles_large_numbers_of_files() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hugo_to_json_error.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hugo_to_json_error.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:76:49
[INFO] [stdout]    |
[INFO] [stdout] 76 |             HugotoJsonError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 |             HugotoJsonError::Meta(ref err) => err.description(),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/hugo_to_json_error.rs:78:60
[INFO] [stdout]    |
[INFO] [stdout] 78 |             HugotoJsonError::Serialization(ref err) => err.description(),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:153:49
[INFO] [stdout]     |
[INFO] [stdout] 153 |             OperationResult::Io(ref err) => err.description(),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:154:52
[INFO] [stdout]     |
[INFO] [stdout] 154 |             OperationResult::Parse(ref err) => err.description(),
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:155:51
[INFO] [stdout]     |
[INFO] [stdout] 155 |             OperationResult::Skip(ref err) => err.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/operation_result.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |             OperationResult::Path(ref err) => err.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "4abe605f0446119fc391082be66c6bd4e547073eecc6e73c93fc27b2ea895a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4abe605f0446119fc391082be66c6bd4e547073eecc6e73c93fc27b2ea895a63", kill_on_drop: false }`
[INFO] [stdout] 4abe605f0446119fc391082be66c6bd4e547073eecc6e73c93fc27b2ea895a63