[INFO] cloning repository https://github.com/ilpvc/rustSample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ilpvc/rustSample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filpvc%2FrustSample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filpvc%2FrustSample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 795c2299b3e40aa28b32fc5c97aea62fbcc34c54
[INFO] checking ilpvc/rustSample against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Filpvc%2FrustSample" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ilpvc/rustSample
[INFO] finished tweaking git repo https://github.com/ilpvc/rustSample
[INFO] tweaked toml for git repo https://github.com/ilpvc/rustSample written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ilpvc/rustSample on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ilpvc/rustSample 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pem v2.0.1
[INFO] [stderr]   Downloaded saturating v0.1.0
[INFO] [stderr]   Downloaded hashlink v0.9.0
[INFO] [stderr]   Downloaded twox-hash v1.6.3
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded frunk_derives v0.4.2
[INFO] [stderr]   Downloaded frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]   Downloaded lexical v6.1.1
[INFO] [stderr]   Downloaded bufstream v0.1.4
[INFO] [stderr]   Downloaded derive_utils v0.14.1
[INFO] [stderr]   Downloaded lru v0.10.1
[INFO] [stderr]   Downloaded bigdecimal v0.3.1
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.5
[INFO] [stderr]   Downloaded frunk v0.4.2
[INFO] [stderr]   Downloaded frunk_core v0.4.2
[INFO] [stderr]   Downloaded lexical-write-float v0.8.5
[INFO] [stderr]   Downloaded rkyv v0.7.44
[INFO] [stderr]   Downloaded rust_decimal v1.34.3
[INFO] [stderr]   Downloaded time v0.3.34
[INFO] [stderr]   Downloaded mysql_common v0.30.6
[INFO] [stderr]   Downloaded rusqlite v0.31.0
[INFO] [stderr]   Downloaded borsh v1.3.1
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded uuid v1.7.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.101
[INFO] [stderr]   Downloaded mysql v24.0.0
[INFO] [stderr]   Downloaded borsh-derive v1.3.1
[INFO] [stderr]   Downloaded subprocess v0.2.9
[INFO] [stderr]   Downloaded getrandom v0.2.12
[INFO] [stderr]   Downloaded frunk_proc_macros v0.1.2
[INFO] [stderr]   Downloaded lexical-core v0.8.5
[INFO] [stderr]   Downloaded rustix v0.38.31
[INFO] [stderr]   Downloaded simdutf8 v0.1.4
[INFO] [stderr]   Downloaded time-macros v0.2.17
[INFO] [stderr]   Downloaded io-enum v1.1.3
[INFO] [stderr]   Downloaded mysql-common-derive v0.30.2
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.12
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.4
[INFO] [stderr]   Downloaded ptr_meta v0.1.4
[INFO] [stderr]   Downloaded bytecheck v0.6.12
[INFO] [stderr]   Downloaded rend v0.4.2
[INFO] [stderr]   Downloaded rkyv_derive v0.7.44
[INFO] [stderr]   Downloaded fallible-iterator v0.3.0
[INFO] [stderr]   Downloaded libz-sys v1.1.15
[INFO] [stderr]   Downloaded libsqlite3-sys v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7edde4a94e8ed7b6e8f0e6b9b8319aa6264f8e0ecf3f4feacad2a38fef696120
[INFO] running `Command { std: "docker" "start" "-a" "7edde4a94e8ed7b6e8f0e6b9b8319aa6264f8e0ecf3f4feacad2a38fef696120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7edde4a94e8ed7b6e8f0e6b9b8319aa6264f8e0ecf3f4feacad2a38fef696120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edde4a94e8ed7b6e8f0e6b9b8319aa6264f8e0ecf3f4feacad2a38fef696120", kill_on_drop: false }`
[INFO] [stdout] 7edde4a94e8ed7b6e8f0e6b9b8319aa6264f8e0ecf3f4feacad2a38fef696120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27dcfe8b80c6c95012c91c4a736c5803aeb5197b82224baa59b1669bde945126
[INFO] running `Command { std: "docker" "start" "-a" "27dcfe8b80c6c95012c91c4a736c5803aeb5197b82224baa59b1669bde945126", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling subprocess v0.2.9
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling rust_decimal v1.34.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking lexical v6.1.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling mysql v24.0.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking hashlink v0.9.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking lru v0.10.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking pem v2.0.1
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking rusqlite v0.31.0
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling frunk_proc_macros v0.1.2
[INFO] [stderr]    Compiling io-enum v1.1.3
[INFO] [stderr]     Checking frunk v0.4.2
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling mysql-common-derive v0.30.2
[INFO] [stderr]    Compiling mysql_common v0.30.6
[INFO] [stderr]     Checking net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/thread/thread_test.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | /         /**
[INFO] [stdout]  7 | |         * 由于 Rust 的测试框架（如 cargo test）会自动启动和管理测试线程，
[INFO] [stdout]  8 | |         * 它们会等待所有线程执行完成，以确保测试的正确性。因此，在测试中，所有
[INFO] [stdout]  9 | |         * 的线程会被按顺序执行，而不是并发执行，这样可以更容易地观察和理解输出，
[INFO] [stdout] 10 | |         * 同时也确保测试的可重复性。
[INFO] [stdout] 11 | |         */
[INFO] [stdout]    | |__________^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |           let mut handles = vec![];
[INFO] [stdout]    |           ------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/sql/sqlite/curd.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Person {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_connect` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn create_connect() -> Connection {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_table` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn create_table() -> Result<Connection, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_person` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn insert_person(person: Person) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_all_person` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn select_all_person() -> Result<Vec<Person>, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_person_by_id` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn select_person_by_id(id:i32) -> Person{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_person_by_id` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn update_person_by_id(person: Person) -> Result<usize,Error>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_person_by_id` is never used
[INFO] [stdout]   --> src/sql/sqlite/curd.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub fn delete_person_by_id(id:i32) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_connect` is never used
[INFO] [stdout]  --> src/sql/mysql/curd.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn create_connect() -> PooledConn {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_dept_table` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn create_dept_table() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_dept` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn insert_dept(dept: Dept) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_by_id` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn select_by_id(ids: i32) -> Option<Dept> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `select_all_dept` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn select_all_dept() -> Vec<Dept>{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_dept_by_id` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn delete_dept_by_id(id:i32){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_dept_by_id` is never used
[INFO] [stdout]   --> src/sql/mysql/curd.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn update_dept_by_id(dept: Dept) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Dept` is never constructed
[INFO] [stdout]  --> src/sql/mysql/dept.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Dept{
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]  --> src/codec/base16_codec.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn encode(data: &[u8]) -> Vec<char>{
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/codec/base16_codec.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn decode(data: &[char]) -> Option<Vec<u8>>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `List` is never used
[INFO] [stdout]  --> src/normal/linked_list.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum List {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `append`, `len`, and `stringify` are never used
[INFO] [stdout]   --> src/normal/linked_list.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl List {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> List {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn append(self, elem: i32) -> List {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn len(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn stringify(&self)->String{
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.46s
[INFO] running `Command { std: "docker" "inspect" "27dcfe8b80c6c95012c91c4a736c5803aeb5197b82224baa59b1669bde945126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27dcfe8b80c6c95012c91c4a736c5803aeb5197b82224baa59b1669bde945126", kill_on_drop: false }`
[INFO] [stdout] 27dcfe8b80c6c95012c91c4a736c5803aeb5197b82224baa59b1669bde945126
