[INFO] fetching crate kurobako 0.2.10...
[INFO] checking kurobako-0.2.10 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate kurobako 0.2.10 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kurobako 0.2.10
[INFO] finished tweaking crates.io crate kurobako 0.2.10
[INFO] tweaked toml for crates.io crate kurobako 0.2.10 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kurobako 0.2.10 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kurobako 0.2.10 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f9bcb6bd18f23465c33d6759a24308aa6c82588eb14ccff753d25117d94502e
[INFO] running `Command { std: "docker" "start" "-a" "3f9bcb6bd18f23465c33d6759a24308aa6c82588eb14ccff753d25117d94502e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f9bcb6bd18f23465c33d6759a24308aa6c82588eb14ccff753d25117d94502e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9bcb6bd18f23465c33d6759a24308aa6c82588eb14ccff753d25117d94502e", kill_on_drop: false }`
[INFO] [stdout] 3f9bcb6bd18f23465c33d6759a24308aa6c82588eb14ccff753d25117d94502e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af651def779d981af9fd1b062a7af1b72b22f0712ee97ad9c21c23e75617d366
[INFO] running `Command { std: "docker" "start" "-a" "af651def779d981af9fd1b062a7af1b72b22f0712ee97ad9c21c23e75617d366", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking kurobako_core v0.1.12
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[INFO] [stderr]     Checking kurobako_solvers v0.2.2
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[INFO] [stderr]     Checking kurobako v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BestValues` is never constructed
[INFO] [stdout]    --> src/plot/curve.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct BestValues {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         /// Input file path.
[INFO] [stdout] 48 | |         tfrecord_format_dataset_path: PathBuf,
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | /         /// Output file path.
[INFO] [stdout] 51 | |         binary_format_dataset_path: PathBuf,
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Problem name.
[INFO] [stdout] 21 | |     #[structopt(long)]
[INFO] [stdout] 22 | |     pub problem_name: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     /// Optuna storage URI.
[INFO] [stdout] 25 | |     #[structopt(long)]
[INFO] [stdout] 26 | |     pub storage: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Target study name (regexp).
[INFO] [stdout] 29 | |     #[structopt(long, default_value = ".*")]
[INFO] [stdout] 30 | |     pub target_study_name: String,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Output directory.
[INFO] [stdout] 33 | |     #[structopt(long, default_value = "surrogates/")]
[INFO] [stdout] 34 | |     pub out: PathBuf,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/curve.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 53 | |     #[structopt(long, short = "o", default_value = "images/curve/")]
[INFO] [stdout] 54 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/pareto_front.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 18 | |     #[structopt(long, short = "o", default_value = "images/pareto_front/")]
[INFO] [stdout] 19 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/slice.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 19 | |     #[structopt(long, short = "o", default_value = "images/slice/")]
[INFO] [stdout] 20 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/problem.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(long)]
[INFO] [stdout] 23 | |     #[serde(default, skip_serializing_if = "Option::is_none")]
[INFO] [stdout] 24 | |     name: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/problem/rank.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Baseline results that are used to calculate ranking.
[INFO] [stdout] 28 | |     pub baselines: Vec<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/problem_suites.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Fcnet { dataset_dir: PathBuf },
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/problem_suites.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | /     /// Directory path under where target surrogated model directories exist.
[INFO] [stdout] 217 | |     pub dir: PathBuf,
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/report.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest<'_>>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/solver.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Name of the solver.
[INFO] [stdout] 17 | |     #[structopt(long)]
[INFO] [stdout] 18 | |     #[serde(default, skip_serializing_if = "Option::is_none")]
[INFO] [stdout] 19 | |     name: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/markdown.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<W>> {
[INFO] [stdout]    |                    ^^^^^^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<'_, W>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kurobako` (lib test) due to 14 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `BestValues` is never constructed
[INFO] [stdout]    --> src/plot/curve.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct BestValues {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | /         /// Input file path.
[INFO] [stdout] 48 | |         tfrecord_format_dataset_path: PathBuf,
[INFO] [stdout]    | |_____________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 | /         /// Output file path.
[INFO] [stdout] 51 | |         binary_format_dataset_path: PathBuf,
[INFO] [stdout]    | |___________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     /// Problem name.
[INFO] [stdout] 21 | |     #[structopt(long)]
[INFO] [stdout] 22 | |     pub problem_name: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     /// Optuna storage URI.
[INFO] [stdout] 25 | |     #[structopt(long)]
[INFO] [stdout] 26 | |     pub storage: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     /// Target study name (regexp).
[INFO] [stdout] 29 | |     #[structopt(long, default_value = ".*")]
[INFO] [stdout] 30 | |     pub target_study_name: String,
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/dataset/surrogate.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Output directory.
[INFO] [stdout] 33 | |     #[structopt(long, default_value = "surrogates/")]
[INFO] [stdout] 34 | |     pub out: PathBuf,
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/curve.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 53 | |     #[structopt(long, short = "o", default_value = "images/curve/")]
[INFO] [stdout] 54 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/pareto_front.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 18 | |     #[structopt(long, short = "o", default_value = "images/pareto_front/")]
[INFO] [stdout] 19 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/plot/slice.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     /// Output directory where generated images are stored.
[INFO] [stdout] 19 | |     #[structopt(long, short = "o", default_value = "images/slice/")]
[INFO] [stdout] 20 | |     pub output_dir: PathBuf,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/problem.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     #[structopt(long)]
[INFO] [stdout] 23 | |     #[serde(default, skip_serializing_if = "Option::is_none")]
[INFO] [stdout] 24 | |     name: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/problem/rank.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     /// Baseline results that are used to calculate ranking.
[INFO] [stdout] 28 | |     pub baselines: Vec<PathBuf>,
[INFO] [stdout]    | |_______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/problem_suites.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Fcnet { dataset_dir: PathBuf },
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/problem_suites.rs:216:5
[INFO] [stdout]     |
[INFO] [stdout] 216 | /     /// Directory path under where target surrogated model directories exist.
[INFO] [stdout] 217 | |     pub dir: PathBuf,
[INFO] [stdout]     | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/report.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest<'_>>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/solver.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Name of the solver.
[INFO] [stdout] 17 | |     #[structopt(long)]
[INFO] [stdout] 18 | |     #[serde(default, skip_serializing_if = "Option::is_none")]
[INFO] [stdout] 19 | |     name: Option<String>,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/markdown.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<W>> {
[INFO] [stdout]    |                    ^^^^^^^^^                     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<'_, W>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kurobako` (lib) due to 14 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "af651def779d981af9fd1b062a7af1b72b22f0712ee97ad9c21c23e75617d366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af651def779d981af9fd1b062a7af1b72b22f0712ee97ad9c21c23e75617d366", kill_on_drop: false }`
[INFO] [stdout] af651def779d981af9fd1b062a7af1b72b22f0712ee97ad9c21c23e75617d366
