[INFO] cloning repository https://github.com/jdagostino/rs-div
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdagostino/rs-div" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdagostino%2Frs-div", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdagostino%2Frs-div'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e83d374885729328c3cf5276fdf0e1fb30d89a0f
[INFO] checking jdagostino/rs-div against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdagostino%2Frs-div" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jdagostino/rs-div
[INFO] finished tweaking git repo https://github.com/jdagostino/rs-div
[INFO] tweaked toml for git repo https://github.com/jdagostino/rs-div written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jdagostino/rs-div on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jdagostino/rs-div 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f305952a24332b575956c90256d6a4f8c4473ae85110f32d1c9a90f1eb8e625c
[INFO] running `Command { std: "docker" "start" "-a" "f305952a24332b575956c90256d6a4f8c4473ae85110f32d1c9a90f1eb8e625c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f305952a24332b575956c90256d6a4f8c4473ae85110f32d1c9a90f1eb8e625c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f305952a24332b575956c90256d6a4f8c4473ae85110f32d1c9a90f1eb8e625c", kill_on_drop: false }`
[INFO] [stdout] f305952a24332b575956c90256d6a4f8c4473ae85110f32d1c9a90f1eb8e625c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023ebaec49d9e4c3de9ba4ed2b5d8b08f7fe5fd4f80e3dae8e92cfa4f1552b26
[INFO] running `Command { std: "docker" "start" "-a" "023ebaec49d9e4c3de9ba4ed2b5d8b08f7fe5fd4f80e3dae8e92cfa4f1552b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rs-iching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::mock::StepRng`
[INFO] [stdout]    --> src/main.rs:467:9
[INFO] [stdout]     |
[INFO] [stdout] 467 |     use rand::rngs::mock::StepRng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/main.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chinese`, `pinyin`, and `wade_giles` are never read
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | struct HexagramName {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 280 |     english: String,
[INFO] [stdout] 281 |     chinese: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 282 |     pinyin: Option<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 283 |     wade_giles: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramName` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `element` are never read
[INFO] [stdout]    --> src/main.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | struct Trigram {
[INFO] [stdout]     |        ------- fields in this struct
[INFO] [stdout] 288 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 289 |     element: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trigram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `upper` and `lower` are never read
[INFO] [stdout]    --> src/main.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | struct Trigrams {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 294 |     upper: Trigram,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 295 |     lower: Trigram,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trigrams` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `image` and `judgement` are never read
[INFO] [stdout]    --> src/main.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct Commentary {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 300 |     image: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 301 |     judgement: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Commentary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position`, `line_type`, and `commentary` are never read
[INFO] [stdout]    --> src/main.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 305 | struct HexagramLine {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 306 |     position: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 307 |     #[serde(rename = "type")]
[INFO] [stdout] 308 |     line_type: String, // "yin" or "yang" 
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 309 |     text: String,
[INFO] [stdout] 310 |     commentary: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramLine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fu_xi_number`, `trigrams`, `commentary`, `keywords`, and `sequence_notes` are never read
[INFO] [stdout]    --> src/main.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 314 | struct HexagramData {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 315 |     king_wen_number: u8,
[INFO] [stdout] 316 |     fu_xi_number: Option<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 317 |     name: HexagramName,
[INFO] [stdout] 318 |     trigrams: Trigrams,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |     commentary: Option<Commentary>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 322 |     lines: Vec<HexagramLine>,
[INFO] [stdout] 323 |     keywords: Option<Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 324 |     sequence_notes: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `translation_source`, `version`, and `notes` are never read
[INFO] [stdout]    --> src/main.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | struct Metadata {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 329 |     translation_source: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 330 |     version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 331 |     notes: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]    --> src/main.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | struct IChingData {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 336 |     hexagrams: Vec<HexagramData>,
[INFO] [stdout] 337 |     metadata: Option<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:343:15
[INFO] [stdout]     |
[INFO] [stdout] 343 |     FileError(std::io::Error),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 343 -     FileError(std::io::Error),
[INFO] [stdout] 343 +     FileError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:344:15
[INFO] [stdout]     |
[INFO] [stdout] 344 |     JsonError(serde_json::Error),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 344 -     JsonError(serde_json::Error),
[INFO] [stdout] 344 +     JsonError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:345:15
[INFO] [stdout]     |
[INFO] [stdout] 345 |     DataError(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 345 -     DataError(String),
[INFO] [stdout] 345 +     DataError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/main.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl IChingError {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 349 |     fn to_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `chinese`, `pinyin`, and `wade_giles` are never read
[INFO] [stdout]    --> src/main.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 279 | struct HexagramName {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 280 |     english: String,
[INFO] [stdout] 281 |     chinese: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 282 |     pinyin: Option<String>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 283 |     wade_giles: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramName` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `element` are never read
[INFO] [stdout]    --> src/main.rs:288:5
[INFO] [stdout]     |
[INFO] [stdout] 287 | struct Trigram {
[INFO] [stdout]     |        ------- fields in this struct
[INFO] [stdout] 288 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 289 |     element: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trigram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `upper` and `lower` are never read
[INFO] [stdout]    --> src/main.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 293 | struct Trigrams {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 294 |     upper: Trigram,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 295 |     lower: Trigram,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trigrams` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `image` and `judgement` are never read
[INFO] [stdout]    --> src/main.rs:300:5
[INFO] [stdout]     |
[INFO] [stdout] 299 | struct Commentary {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] 300 |     image: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 301 |     judgement: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Commentary` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `position`, `line_type`, and `commentary` are never read
[INFO] [stdout]    --> src/main.rs:306:5
[INFO] [stdout]     |
[INFO] [stdout] 305 | struct HexagramLine {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 306 |     position: u8,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 307 |     #[serde(rename = "type")]
[INFO] [stdout] 308 |     line_type: String, // "yin" or "yang" 
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 309 |     text: String,
[INFO] [stdout] 310 |     commentary: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramLine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fu_xi_number`, `trigrams`, `commentary`, `keywords`, and `sequence_notes` are never read
[INFO] [stdout]    --> src/main.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 314 | struct HexagramData {
[INFO] [stdout]     |        ------------ fields in this struct
[INFO] [stdout] 315 |     king_wen_number: u8,
[INFO] [stdout] 316 |     fu_xi_number: Option<u8>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 317 |     name: HexagramName,
[INFO] [stdout] 318 |     trigrams: Trigrams,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |     commentary: Option<Commentary>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 322 |     lines: Vec<HexagramLine>,
[INFO] [stdout] 323 |     keywords: Option<Vec<String>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 324 |     sequence_notes: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexagramData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `translation_source`, `version`, and `notes` are never read
[INFO] [stdout]    --> src/main.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 328 | struct Metadata {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 329 |     translation_source: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 330 |     version: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 331 |     notes: Option<String>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Metadata` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `metadata` is never read
[INFO] [stdout]    --> src/main.rs:337:5
[INFO] [stdout]     |
[INFO] [stdout] 335 | struct IChingData {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] 336 |     hexagrams: Vec<HexagramData>,
[INFO] [stdout] 337 |     metadata: Option<Metadata>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:343:15
[INFO] [stdout]     |
[INFO] [stdout] 343 |     FileError(std::io::Error),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 343 -     FileError(std::io::Error),
[INFO] [stdout] 343 +     FileError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:344:15
[INFO] [stdout]     |
[INFO] [stdout] 344 |     JsonError(serde_json::Error),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 344 -     JsonError(serde_json::Error),
[INFO] [stdout] 344 +     JsonError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:345:15
[INFO] [stdout]     |
[INFO] [stdout] 345 |     DataError(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IChingError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 345 -     DataError(String),
[INFO] [stdout] 345 +     DataError(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]    --> src/main.rs:349:8
[INFO] [stdout]     |
[INFO] [stdout] 348 | impl IChingError {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 349 |     fn to_string(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "023ebaec49d9e4c3de9ba4ed2b5d8b08f7fe5fd4f80e3dae8e92cfa4f1552b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023ebaec49d9e4c3de9ba4ed2b5d8b08f7fe5fd4f80e3dae8e92cfa4f1552b26", kill_on_drop: false }`
[INFO] [stdout] 023ebaec49d9e4c3de9ba4ed2b5d8b08f7fe5fd4f80e3dae8e92cfa4f1552b26
