[INFO] cloning repository https://github.com/zhoujun681/ip_manager_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhoujun681/ip_manager_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujun681%2Fip_manager_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujun681%2Fip_manager_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e51a32d4053ee872bf4fff5ab8077bd825e3e97d
[INFO] building zhoujun681/ip_manager_server against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujun681%2Fip_manager_server" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhoujun681/ip_manager_server on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhoujun681/ip_manager_server
[INFO] finished tweaking git repo https://github.com/zhoujun681/ip_manager_server
[INFO] tweaked toml for git repo https://github.com/zhoujun681/ip_manager_server written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zhoujun681/ip_manager_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded standback v0.2.13
[INFO] [stderr]   Downloaded actix-cors v0.5.3
[INFO] [stderr]   Downloaded socket2 v0.3.18
[INFO] [stderr]   Downloaded rusqlite v0.24.2
[INFO] [stderr]   Downloaded winping v0.10.1
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded winapi_forked_icmpapi v0.3.7
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5fc6a6d1b61cbc6d60c431ff01a2dea51d387b259efc53d67865feb7403624e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5fc6a6d1b61cbc6d60c431ff01a2dea51d387b259efc53d67865feb7403624e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5fc6a6d1b61cbc6d60c431ff01a2dea51d387b259efc53d67865feb7403624e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fc6a6d1b61cbc6d60c431ff01a2dea51d387b259efc53d67865feb7403624e", kill_on_drop: false }`
[INFO] [stdout] f5fc6a6d1b61cbc6d60c431ff01a2dea51d387b259efc53d67865feb7403624e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0feb703bbb80d637c532aa3c72c3e35da532cb25ce62d292a037eeba756d6c62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0feb703bbb80d637c532aa3c72c3e35da532cb25ce62d292a037eeba756d6c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
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[INFO] [stderr]    Compiling futures-sink v0.3.8
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[INFO] [stderr]    Compiling pin-project-internal v0.4.27
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[INFO] [stderr]    Compiling smallvec v1.5.1
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[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.118
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
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[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
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[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling cookie v0.14.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
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[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling http v0.2.2
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[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling fxhash v0.2.1
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[INFO] [stderr]    Compiling winping v0.10.1
[INFO] [stderr]    Compiling digest v0.9.0
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[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling sha-1 v0.9.2
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[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
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[INFO] [stderr]    Compiling hostname v0.3.1
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[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
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[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling rusqlite v0.24.2
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling actix-codec v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling actix-threadpool v0.3.3
[INFO] [stderr]    Compiling actix-rt v1.1.1
[INFO] [stderr]    Compiling actix-service v1.0.6
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling trust-dns-proto v0.19.6
[INFO] [stderr]    Compiling actix-utils v2.0.0
[INFO] [stderr]    Compiling actix-server v1.0.4
[INFO] [stderr]    Compiling actix-tls v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling actix-router v0.2.5
[INFO] [stderr]    Compiling serde_yaml v0.8.15
[INFO] [stderr]    Compiling actix-testing v1.0.1
[INFO] [stderr]    Compiling trust-dns-resolver v0.19.6
[INFO] [stderr]    Compiling actix-connect v2.0.0
[INFO] [stderr]    Compiling actix-http v2.2.0
[INFO] [stderr]    Compiling awc v2.0.3
[INFO] [stderr]    Compiling actix-web v3.3.2
[INFO] [stderr]    Compiling actix-cors v0.5.3
[INFO] [stderr]    Compiling IpManagerServer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `winping::Buffer`, `winping::Pinger`
[INFO] [stdout]  --> src/my_sqlite_dao.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use winping::{Buffer, Pinger};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^ no `Pinger` in the root
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Buffer` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HttpRequest`
[INFO] [stdout]   --> src/main.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | use actix_web::{get, http::header, post, web, App, HttpRequest, HttpResponse, HttpServer};
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_yaml::Error`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use serde_yaml::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `actix_web::web::Json`
[INFO] [stdout]  --> src/my_sqlite_dao.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use actix_web::web::Json;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusqlite::types::Null`
[INFO] [stdout]  --> src/my_sqlite_dao.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rusqlite::types::Null;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Transaction`
[INFO] [stdout]  --> src/my_sqlite_dao.rs:3:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rusqlite::{params, Connection, Result, Transaction};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `part` should have an upper camel case name
[INFO] [stdout]   --> src/my_sqlite_dao.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct part {
[INFO] [stdout]    |            ^^^^ help: convert the identifier to upper camel case: `Part`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `department` should have an upper camel case name
[INFO] [stdout]   --> src/my_sqlite_dao.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct department {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `Department`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ip_address` should have an upper camel case name
[INFO] [stdout]   --> src/my_sqlite_dao.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ip_address {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper camel case: `IpAddress`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     if (ip.is_empty()) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:227:8
[INFO] [stdout]     |
[INFO] [stdout] 227 |     if (result == 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     if (is_locked == -1) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:256:15
[INFO] [stdout]     |
[INFO] [stdout] 256 |     } else if (is_locked > 0) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:262:8
[INFO] [stdout]     |
[INFO] [stdout] 262 |     if (is_locked == 1) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     if (result > 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:308:8
[INFO] [stdout]     |
[INFO] [stdout] 308 |     if (result > 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 |     if (part_id == -1) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:431:8
[INFO] [stdout]     |
[INFO] [stdout] 431 |     if (overlap_count > 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:627:8
[INFO] [stdout]     |
[INFO] [stdout] 627 |     if (overlap_count > 0) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:699:8
[INFO] [stdout]     |
[INFO] [stdout] 699 |     if (ip_address_end != ip_address_end_old) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:706:12
[INFO] [stdout]     |
[INFO] [stdout] 706 |         if (result < 0 && result != -2) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/my_sqlite_dao.rs:725:8
[INFO] [stdout]     |
[INFO] [stdout] 725 |     if (ip_address_end != ip_address_end_old) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Query_Ip` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Query_Ip {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case: `QueryIp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Check_Ip` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Check_Ip {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case: `CheckIp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut myconn = my_sqlite_dao::init_db().expect("数据库初始化失败");
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut myconn = my_sqlite_dao::init_db().expect("数据库初始化失败");
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let mut myconn = my_sqlite_dao::init_db().expect("数据库初始化失败");
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `IpManagerServer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0feb703bbb80d637c532aa3c72c3e35da532cb25ce62d292a037eeba756d6c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0feb703bbb80d637c532aa3c72c3e35da532cb25ce62d292a037eeba756d6c62", kill_on_drop: false }`
[INFO] [stdout] 0feb703bbb80d637c532aa3c72c3e35da532cb25ce62d292a037eeba756d6c62
