[INFO] fetching crate dev-tool 0.1.12...
[INFO] checking dev-tool-0.1.12 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] extracting crate dev-tool 0.1.12 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dev-tool 0.1.12
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dev-tool 0.1.12
[INFO] tweaked toml for crates.io crate dev-tool 0.1.12 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dev-tool 0.1.12 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dev-tool 0.1.12 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stdout] eb038503aacd579b648d7a89ce66df743102f22727dbb613075af7ca678e76de
[INFO] running `Command { std: "docker" "start" "-a" "eb038503aacd579b648d7a89ce66df743102f22727dbb613075af7ca678e76de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb038503aacd579b648d7a89ce66df743102f22727dbb613075af7ca678e76de", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "492f4a7cf6edd5aceac56a3a6fb9ce199a6655e4f64251676aa41facc124fbfa", kill_on_drop: false }`
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[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/log_util.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut file = OpenOptions::new()
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/secure_util.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn aes_encode(bytes: &[u8], key: &str) -> String {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/secure_util.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn aes_encode(bytes: &[u8], key: &str) -> String {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decode_str`
[INFO] [stdout]   --> src/secure_util.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn aes_decode(decode_str: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decode_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/secure_util.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn aes_decode(decode_str: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HttpUtil` is never constructed
[INFO] [stdout]  --> src/http_util.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct HttpUtil;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]   --> src/http_util.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl HttpUtil {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub async fn get(url: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn blocking_get(url: &str) -> Result<String, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub async fn post(url: &str, body: String) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn blocking_post(url: &str, body: String) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn post_json(url: &str, body: HashMap<&str, &str>) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub async fn post_form(url: &str, form: Vec<(&str, &str)>) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub async fn request(method: reqwest::Method, url: &str, headers: Vec<(&str, &str)>, body: &str) -> Result<String, Box<dyn std::...
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub async fn post_bytes(url: &str, data: Vec<u8>) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogUtil` is never constructed
[INFO] [stdout]  --> src/log_util.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LogUtil;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `init`, `info`, `error`, and `warn` are never used
[INFO] [stdout]   --> src/log_util.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl LogUtil {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout]  9 |     /// 初始化日志记录器，将日志记录到文件
[INFO] [stdout] 10 |     pub fn init(&self, log_file_path: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn info(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn error(&self, message: &str) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn warn(&self, message: &str) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ThreadUtil` is never constructed
[INFO] [stdout]  --> src/thread_util.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ThreadUtil {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `execute`, `join`, and `spawn` are never used
[INFO] [stdout]   --> src/thread_util.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl ThreadUtil {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn new(thread_num: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn execute<F>(&self, task: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn join(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn spawn<F, T>(f: F) -> thread::JoinHandle<T>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/log_util.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut file = OpenOptions::new()
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]   --> src/secure_util.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn aes_encode(bytes: &[u8], key: &str) -> String {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/secure_util.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn aes_encode(bytes: &[u8], key: &str) -> String {
[INFO] [stdout]    |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decode_str`
[INFO] [stdout]   --> src/secure_util.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn aes_decode(decode_str: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decode_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/secure_util.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn aes_decode(decode_str: &str, key: &str) -> Vec<u8> {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map`
[INFO] [stdout]   --> src/collection_util.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let map = HashMap::<i32, i32>::new();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HttpUtil` is never constructed
[INFO] [stdout]  --> src/http_util.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct HttpUtil;
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]   --> src/http_util.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl HttpUtil {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub async fn get(url: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn blocking_get(url: &str) -> Result<String, Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub async fn post(url: &str, body: String) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn blocking_post(url: &str, body: String) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub async fn post_json(url: &str, body: HashMap<&str, &str>) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub async fn post_form(url: &str, form: Vec<(&str, &str)>) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub async fn request(method: reqwest::Method, url: &str, headers: Vec<(&str, &str)>, body: &str) -> Result<String, Box<dyn std::...
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub async fn post_bytes(url: &str, data: Vec<u8>) -> Result<(), Box<dyn std::error::Error>>{
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `spawn` is never used
[INFO] [stdout]   --> src/thread_util.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl ThreadUtil {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn spawn<F, T>(f: F) -> thread::JoinHandle<T>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "492f4a7cf6edd5aceac56a3a6fb9ce199a6655e4f64251676aa41facc124fbfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492f4a7cf6edd5aceac56a3a6fb9ce199a6655e4f64251676aa41facc124fbfa", kill_on_drop: false }`
[INFO] [stdout] 492f4a7cf6edd5aceac56a3a6fb9ce199a6655e4f64251676aa41facc124fbfa
