[INFO] cloning repository https://github.com/JKay15/pku3b_AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JKay15/pku3b_AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKay15%2Fpku3b_AI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKay15%2Fpku3b_AI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 102a167814a0088a3c8e8445ee4623143c44e91e
[INFO] checking JKay15/pku3b_AI against try#d8be25549d5418405531341b4be6d8538fc3c42e for pr-156160-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJKay15%2Fpku3b_AI" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JKay15/pku3b_AI
[INFO] finished tweaking git repo https://github.com/JKay15/pku3b_AI
[INFO] tweaked toml for git repo https://github.com/JKay15/pku3b_AI written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JKay15/pku3b_AI on toolchain d8be25549d5418405531341b4be6d8538fc3c42e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JKay15/pku3b_AI 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" "+d8be25549d5418405531341b4be6d8538fc3c42e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-2-tc2/source/pku3b/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:fd22e2154e7db748230f413534f3a6d034160c9d2b7c14b90fba4e9bfc1a36d4" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f
[INFO] running `Command { std: "docker" "start" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f" "/opt/rustwide/cargo-home/bin/cargo" "+d8be25549d5418405531341b4be6d8538fc3c42e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
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[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
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[INFO] [stdout] warning: methods `syncify` and `blackboard_sync` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Client {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn syncify<F, T>(&self, fut: F) -> anyhow::Result<T>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn blackboard_sync(&self, username: &str, password: &str) -> anyhow::Result<Blackboard> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `client` is never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Blackboard {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 139 |     pub fn client(&self) -> Client {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `title`, `id`, and `list_assignments` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl CourseHandle {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 267 |     pub fn id(&self) -> &str {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub async fn list_assignments(&self) -> anyhow::Result<Vec<CourseAssignmentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:467:18
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Course {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 467 |     pub async fn list_assignments(&self) -> anyhow::Result<Vec<CourseAssignmentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 481 |     pub async fn list_videos(&self) -> anyhow::Result<Vec<CourseVideoHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 |     pub async fn list_documents(&self) -> anyhow::Result<Vec<CourseDocumentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub async fn list_assignments_with_hierarchy(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 |     pub async fn list_documents_with_hierarchy(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 555 |     pub async fn list_announcements(&self) -> Result<Vec<CourseAnnouncementHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 579 |     pub async fn build_tree(&self) -> anyhow::Result<CourseTreeNode> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_parent` and `get_children` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:828:12
[INFO] [stdout]     |
[INFO] [stdout] 714 | impl CourseContentStream {
[INFO] [stdout]     | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 828 |     pub fn get_parent(&self, id: &str) -> Option<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 833 |     pub fn get_children(&self, id: &str) -> Vec<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_folder` and `from_announcement_element` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:896:12
[INFO] [stdout]     |
[INFO] [stdout] 895 | impl CourseContentData {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 896 |     pub fn is_folder(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 997 |     pub fn from_announcement_element(el: ElementRef) -> anyhow::Result<CourseContentData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `depth`, `parent_id`, `id_legacy`, and `title` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1092:12
[INFO] [stdout]      |
[INFO] [stdout] 1090 | impl CourseAssignmentHandle {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] 1091 |     /// 获取深度（在内容树中的层级）
[INFO] [stdout] 1092 |     pub fn depth(&self) -> usize {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1097 |     pub fn parent_id(&self) -> Option<String> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1108 |     pub fn id_legacy(&self) -> String {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1116 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseDocumentHandle` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1415:12
[INFO] [stdout]      |
[INFO] [stdout] 1415 | pub struct CourseDocumentHandle {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `depth`, `parent_id`, `id`, `title`, and `get` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1423:12
[INFO] [stdout]      |
[INFO] [stdout] 1421 | impl CourseDocumentHandle {
[INFO] [stdout]      | ------------------------- methods in this implementation
[INFO] [stdout] 1422 |     /// 获取深度（在内容树中的层级）
[INFO] [stdout] 1423 |     pub fn depth(&self) -> usize {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1428 |     pub fn parent_id(&self) -> Option<String> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1432 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1439 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1443 |     pub async fn get(&self) -> anyhow::Result<CourseDocument> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseDocument` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1453:12
[INFO] [stdout]      |
[INFO] [stdout] 1453 | pub struct CourseDocument {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id`, `title`, `descriptions`, `attachments`, and `download_attachment` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1461:12
[INFO] [stdout]      |
[INFO] [stdout] 1459 | impl CourseDocument {
[INFO] [stdout]      | ------------------- methods in this implementation
[INFO] [stdout] 1460 |     /* —— 基本信息 —— */
[INFO] [stdout] 1461 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1464 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1467 |     pub fn descriptions(&self) -> &[String] {
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1470 |     pub fn attachments(&self) -> &[(String, String)] {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1474 |     pub async fn download_attachment(
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseAnnouncementHandle` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1523:12
[INFO] [stdout]      |
[INFO] [stdout] 1523 | pub struct CourseAnnouncementHandle {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id`, `title`, and `get` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1529:12
[INFO] [stdout]      |
[INFO] [stdout] 1528 | impl CourseAnnouncementHandle {
[INFO] [stdout]      | ----------------------------- methods in this implementation
[INFO] [stdout] 1529 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1533 |     pub fn title(&self) -> String {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1536 |     pub async fn get(&self) -> Result<CourseAnnouncement> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseAnnouncement` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1545:12
[INFO] [stdout]      |
[INFO] [stdout] 1545 | pub struct CourseAnnouncement {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `title`, `descriptions`, `attachments`, and `download_attachment` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1551:12
[INFO] [stdout]      |
[INFO] [stdout] 1550 | impl CourseAnnouncement {
[INFO] [stdout]      | ----------------------- methods in this implementation
[INFO] [stdout] 1551 |     pub fn title(&self) -> String {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1555 |     pub fn descriptions(&self) -> &Vec<String> {
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1559 |     pub fn attachments(&self) -> &Vec<(String, String)> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1563 |     pub async fn download_attachment(&self, uri: &str, dest: &std::path::Path) -> Result<()> {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1620:9
[INFO] [stdout]      |
[INFO] [stdout] 1619 | pub struct CourseVideoHandle {
[INFO] [stdout]      |            ----------------- field in this struct
[INFO] [stdout] 1620 |     pub content: CourseContentData,
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `CourseVideoHandle` 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: methods `title` and `time` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1649:12
[INFO] [stdout]      |
[INFO] [stdout] 1626 | impl CourseVideoHandle {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1649 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1652 |     pub fn time(&self) -> &str {
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NodeKind` is never used
[INFO] [stdout]  --> pku3b/src/api/tree.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum NodeKind {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ContentHandle` is never used
[INFO] [stdout]   --> pku3b/src/api/tree.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum ContentHandle {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseTreeNode` is never constructed
[INFO] [stdout]   --> pku3b/src/api/tree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct CourseTreeNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> pku3b/src/api/tree.rs:39:12
[INFO] [stdout]     |
[INFO] [stdout]  38 | impl CourseTreeNode {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  39 |     pub fn id(&self) -> &str {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  45 |     pub fn kind(&self) -> NodeKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn children(&self) -> &[CourseTreeNode] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn children_mut(&mut self) -> &mut [CourseTreeNode] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn new_basic(id: impl Into<String>, title: impl Into<String>, kind: NodeKind) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn as_assignment(&self) -> Option<&CourseAssignmentHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn as_document(&self) -> Option<&CourseDocumentHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn as_video(&self) -> Option<&CourseVideoHandle> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn as_announcement(&self) -> Option<&CourseAnnouncementHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn add_child(&mut self, child: CourseTreeNode) -> &mut CourseTreeNode {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn dfs<'a>(&'a self) -> impl Iterator<Item = &'a CourseTreeNode> + 'a {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn bfs_mut(&mut self) -> impl Iterator<Item = &mut CourseTreeNode> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `syncify` and `blackboard_sync` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl Client {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn syncify<F, T>(&self, fut: F) -> anyhow::Result<T>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn blackboard_sync(&self, username: &str, password: &str) -> anyhow::Result<Blackboard> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `client` is never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:139:12
[INFO] [stdout]     |
[INFO] [stdout] 138 | impl Blackboard {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 139 |     pub fn client(&self) -> Client {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `title`, `id`, and `list_assignments` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl CourseHandle {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 264 |     pub fn title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 267 |     pub fn id(&self) -> &str {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 288 |     pub async fn list_assignments(&self) -> anyhow::Result<Vec<CourseAssignmentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:467:18
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl Course {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 467 |     pub async fn list_assignments(&self) -> anyhow::Result<Vec<CourseAssignmentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 481 |     pub async fn list_videos(&self) -> anyhow::Result<Vec<CourseVideoHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 485 |     pub async fn list_documents(&self) -> anyhow::Result<Vec<CourseDocumentHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 505 |     pub async fn list_assignments_with_hierarchy(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 527 |     pub async fn list_documents_with_hierarchy(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 555 |     pub async fn list_announcements(&self) -> Result<Vec<CourseAnnouncementHandle>> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 579 |     pub async fn build_tree(&self) -> anyhow::Result<CourseTreeNode> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_parent` and `get_children` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:828:12
[INFO] [stdout]     |
[INFO] [stdout] 714 | impl CourseContentStream {
[INFO] [stdout]     | ------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 828 |     pub fn get_parent(&self, id: &str) -> Option<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 833 |     pub fn get_children(&self, id: &str) -> Vec<&str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_folder` and `from_announcement_element` are never used
[INFO] [stdout]    --> pku3b/src/api/mod.rs:896:12
[INFO] [stdout]     |
[INFO] [stdout] 895 | impl CourseContentData {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 896 |     pub fn is_folder(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 997 |     pub fn from_announcement_element(el: ElementRef) -> anyhow::Result<CourseContentData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `depth`, `parent_id`, `id_legacy`, and `title` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1092:12
[INFO] [stdout]      |
[INFO] [stdout] 1090 | impl CourseAssignmentHandle {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] 1091 |     /// 获取深度（在内容树中的层级）
[INFO] [stdout] 1092 |     pub fn depth(&self) -> usize {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1097 |     pub fn parent_id(&self) -> Option<String> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1108 |     pub fn id_legacy(&self) -> String {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1116 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseDocumentHandle` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1415:12
[INFO] [stdout]      |
[INFO] [stdout] 1415 | pub struct CourseDocumentHandle {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `depth`, `parent_id`, `id`, `title`, and `get` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1423:12
[INFO] [stdout]      |
[INFO] [stdout] 1421 | impl CourseDocumentHandle {
[INFO] [stdout]      | ------------------------- methods in this implementation
[INFO] [stdout] 1422 |     /// 获取深度（在内容树中的层级）
[INFO] [stdout] 1423 |     pub fn depth(&self) -> usize {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1428 |     pub fn parent_id(&self) -> Option<String> {
[INFO] [stdout]      |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1432 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1439 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1443 |     pub async fn get(&self) -> anyhow::Result<CourseDocument> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseDocument` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1453:12
[INFO] [stdout]      |
[INFO] [stdout] 1453 | pub struct CourseDocument {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id`, `title`, `descriptions`, `attachments`, and `download_attachment` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1461:12
[INFO] [stdout]      |
[INFO] [stdout] 1459 | impl CourseDocument {
[INFO] [stdout]      | ------------------- methods in this implementation
[INFO] [stdout] 1460 |     /* —— 基本信息 —— */
[INFO] [stdout] 1461 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1464 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1467 |     pub fn descriptions(&self) -> &[String] {
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1470 |     pub fn attachments(&self) -> &[(String, String)] {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1474 |     pub async fn download_attachment(
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseAnnouncementHandle` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1523:12
[INFO] [stdout]      |
[INFO] [stdout] 1523 | pub struct CourseAnnouncementHandle {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `id`, `title`, and `get` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1529:12
[INFO] [stdout]      |
[INFO] [stdout] 1528 | impl CourseAnnouncementHandle {
[INFO] [stdout]      | ----------------------------- methods in this implementation
[INFO] [stdout] 1529 |     pub fn id(&self) -> String {
[INFO] [stdout]      |            ^^
[INFO] [stdout] ...
[INFO] [stdout] 1533 |     pub fn title(&self) -> String {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1536 |     pub async fn get(&self) -> Result<CourseAnnouncement> {
[INFO] [stdout]      |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseAnnouncement` is never constructed
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1545:12
[INFO] [stdout]      |
[INFO] [stdout] 1545 | pub struct CourseAnnouncement {
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `title`, `descriptions`, `attachments`, and `download_attachment` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1551:12
[INFO] [stdout]      |
[INFO] [stdout] 1550 | impl CourseAnnouncement {
[INFO] [stdout]      | ----------------------- methods in this implementation
[INFO] [stdout] 1551 |     pub fn title(&self) -> String {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1555 |     pub fn descriptions(&self) -> &Vec<String> {
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1559 |     pub fn attachments(&self) -> &Vec<(String, String)> {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1563 |     pub async fn download_attachment(&self, uri: &str, dest: &std::path::Path) -> Result<()> {
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1620:9
[INFO] [stdout]      |
[INFO] [stdout] 1619 | pub struct CourseVideoHandle {
[INFO] [stdout]      |            ----------------- field in this struct
[INFO] [stdout] 1620 |     pub content: CourseContentData,
[INFO] [stdout]      |         ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `CourseVideoHandle` 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: methods `title` and `time` are never used
[INFO] [stdout]     --> pku3b/src/api/mod.rs:1649:12
[INFO] [stdout]      |
[INFO] [stdout] 1626 | impl CourseVideoHandle {
[INFO] [stdout]      | ---------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1649 |     pub fn title(&self) -> &str {
[INFO] [stdout]      |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1652 |     pub fn time(&self) -> &str {
[INFO] [stdout]      |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `NodeKind` is never used
[INFO] [stdout]  --> pku3b/src/api/tree.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum NodeKind {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ContentHandle` is never used
[INFO] [stdout]   --> pku3b/src/api/tree.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum ContentHandle {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CourseTreeNode` is never constructed
[INFO] [stdout]   --> pku3b/src/api/tree.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct CourseTreeNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> pku3b/src/api/tree.rs:39:12
[INFO] [stdout]     |
[INFO] [stdout]  38 | impl CourseTreeNode {
[INFO] [stdout]     | ------------------- associated items in this implementation
[INFO] [stdout]  39 |     pub fn id(&self) -> &str {
[INFO] [stdout]     |            ^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn title(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  45 |     pub fn kind(&self) -> NodeKind {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     pub fn children(&self) -> &[CourseTreeNode] {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     pub fn children_mut(&mut self) -> &mut [CourseTreeNode] {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |     pub fn new_basic(id: impl Into<String>, title: impl Into<String>, kind: NodeKind) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  73 |     pub fn as_assignment(&self) -> Option<&CourseAssignmentHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn as_document(&self) -> Option<&CourseDocumentHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     pub fn as_video(&self) -> Option<&CourseVideoHandle> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  95 |     pub fn as_announcement(&self) -> Option<&CourseAnnouncementHandle> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn add_child(&mut self, child: CourseTreeNode) -> &mut CourseTreeNode {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn dfs<'a>(&'a self) -> impl Iterator<Item = &'a CourseTreeNode> + 'a {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn bfs_mut(&mut self) -> impl Iterator<Item = &mut CourseTreeNode> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.46s
[INFO] running `Command { std: "docker" "inspect" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f", kill_on_drop: false }`
[INFO] [stdout] 0c5081f500c6554df55e8932923a3ddd888eae0af5153c2adff4b1d221afec9f
