[INFO] cloning repository https://github.com/jw910731/course-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jw910731/course-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw910731%2Fcourse-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw910731%2Fcourse-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adf3a872bd98692e34b4055283c06c88aecbe874
[INFO] checking jw910731/course-bot against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw910731%2Fcourse-bot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jw910731/course-bot
[INFO] finished tweaking git repo https://github.com/jw910731/course-bot
[INFO] tweaked toml for git repo https://github.com/jw910731/course-bot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jw910731/course-bot on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jw910731/course-bot 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b
[INFO] running `Command { std: "docker" "start" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b", 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" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b", 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" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking cpufeatures v0.2.16
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking webpki-roots v0.26.7
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling serenity v0.12.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling ring v0.17.3
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking typemap_rev v0.3.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking duration-string v0.4.0
[INFO] [stderr]     Checking cfb v0.7.3
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking infer v0.16.0
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.102.8
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling command_attr v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling poise_macros v0.6.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling envconfig_derive v0.11.0
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking envconfig v0.11.0
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking h2 v0.4.7
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking hyper v1.5.2
[INFO] [stderr]     Checking publicsuffix v2.3.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking cookie_store v0.21.1
[INFO] [stderr]     Checking hyper-util v0.1.10
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking serde_cow v0.1.2
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking reqwest v0.12.11
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking reqwest_cookie_store v0.8.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking kv v0.24.0
[INFO] [stderr]     Checking poise v0.6.1
[INFO] [stderr]     Checking course-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/main.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{error, info, trace, warn};
[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: `trace`
[INFO] [stdout]   --> src/main.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::{error, info, trace, warn};
[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: `trace`
[INFO] [stdout]  --> src/bot.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> src/bot.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | use log::{debug, error, info, trace, warn};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/crawler.rs:509:9
[INFO] [stdout]     |
[INFO] [stdout] 509 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `batch_query` is never used
[INFO] [stdout]    --> src/crawler.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout]  31 | impl NtnuCrawlerManager {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub async fn batch_query<T, I>(&mut self, course_ids: I) -> Result<Vec<bool>>
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HttpErr`, `ReqwestErr`, and `NoneErr` are never constructed
[INFO] [stdout]    --> src/crawler.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 425 | pub enum CaptchaServiceError {
[INFO] [stdout]     |          ------------------- variants in this enum
[INFO] [stdout] 426 |     #[error("service respond status: {0}")]
[INFO] [stdout] 427 |     HttpErr(reqwest::StatusCode),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 |     ReqwestErr(reqwest::Error),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 433 |     NoneErr,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CaptchaServiceError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `batch_query` is never used
[INFO] [stdout]    --> src/crawler.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout]  31 | impl NtnuCrawlerManager {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub async fn batch_query<T, I>(&mut self, course_ids: I) -> Result<Vec<bool>>
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HttpErr`, `ReqwestErr`, and `NoneErr` are never constructed
[INFO] [stdout]    --> src/crawler.rs:427:5
[INFO] [stdout]     |
[INFO] [stdout] 425 | pub enum CaptchaServiceError {
[INFO] [stdout]     |          ------------------- variants in this enum
[INFO] [stdout] 426 |     #[error("service respond status: {0}")]
[INFO] [stdout] 427 |     HttpErr(reqwest::StatusCode),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 430 |     ReqwestErr(reqwest::Error),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 433 |     NoneErr,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CaptchaServiceError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `Command { std: "docker" "inspect" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b", kill_on_drop: false }`
[INFO] [stdout] edbc0d3f0fa51095fb37eb347e162ef9507d28a84a393bf4cc387bb6e753630b
