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[INFO] checking puzzzzzzle/rust_study against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuzzzzzzle%2Frust_study" "/workspace/builds/worker-2/source", kill_on_drop: false }`
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[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling serde_json v1.0.74
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[INFO] [stderr]    Compiling rust_call_c_manul v0.1.0 (/opt/rustwide/workdir/rust_with_c/rust_with_c_manul)
[INFO] [stderr]     Checking num-rational v0.1.42
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[INFO] [stderr]     Checking proc_macros v0.1.0 (/opt/rustwide/workdir/proc_macros)
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
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[INFO] [stderr]    Compiling futures-macro v0.3.19
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[INFO] [stdout] warning: function `func_name_test4` is never used
[INFO] [stdout]   --> proc_macros/examples/func_name.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn func_name_test4() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking serde-value v0.7.0
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[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking common_concepts v0.1.0 (/opt/rustwide/workdir/rust_language)
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> rust_language/examples/multi_file_exaplpe/ex2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> rust_language/examples/c06_std_collections_test.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> rust_language/examples/c06_std_collections_test.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | mod test_collections {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]  --> rust_language/examples/macro_test.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn factorial(mut n: u64) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> rust_language/examples/pin_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]   --> rust_language/examples/c03_test_ownership.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn take_ownership(s: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_and_gives_back` is never used
[INFO] [stdout]   --> rust_language/examples/c03_test_ownership.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn takes_and_gives_back(s: String) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow` is never used
[INFO] [stdout]   --> rust_language/examples/c03_test_ownership.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn borrow(s: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `str_arr` is never used
[INFO] [stdout]   --> rust_language/examples/c03_test_ownership.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn str_arr(arr: &[i32]) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::remove_file`
[INFO] [stdout]  --> rust_language/examples/c07_error_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::remove_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]  --> rust_language/examples/c07_error_test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `FILE_NAME` is never used
[INFO] [stdout]  --> rust_language/examples/c07_error_test.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static FILE_NAME: &str = "hello.txt";
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]   --> rust_language/examples/c07_error_test.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn read_username_from_file(name: &str) -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_simple` is never used
[INFO] [stdout]   --> rust_language/examples/c07_error_test.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn read_username_from_file_simple(name: &str) -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result`, `anyhow`
[INFO] [stdout]  --> rust_language/examples/c07-1_error_handle.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common`
[INFO] [stdout]  --> rust_language/examples/c07-1_error_handle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use common;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> rust_language/examples/c07-1_error_handle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> rust_language/examples/c05_struct_test.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn build_user(username: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> rust_language/examples/co_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `area` is never used
[INFO] [stdout]   --> rust_language/examples/c05_struct_test.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn area(rectangle: &Rectangle) -> u32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combine_vecs` is never used
[INFO] [stdout]    --> rust_language/examples/c05_struct_test.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn combine_vecs<T: Clone>(v: Vec<T>, u: Vec<T>) -> impl Iterator<Item = T> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `area` is never used
[INFO] [stdout]   --> rust_language/examples/c05_struct_test.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> rust_language/examples/co_test.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn hello() -> String {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `common`
[INFO] [stdout]  --> rust_language/examples/c01_func_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use common;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_1` is never used
[INFO] [stdout]  --> rust_language/examples/co_test.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn hello_1() -> String {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_1_2` is never used
[INFO] [stdout]   --> rust_language/examples/co_test.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | async fn hello_1_2() -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_latter` is never used
[INFO] [stdout]   --> rust_language/examples/co_test.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | async fn hello_latter() -> String {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::*`
[INFO] [stdout]  --> rust_language/examples/c01_func_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `V4` and `V6` are never constructed
[INFO] [stdout]  --> rust_language/examples/c04_enum_test.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     enum IpAddrKind {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 4 |         V4,
[INFO] [stdout]   |         ^^
[INFO] [stdout] 5 |         V6,
[INFO] [stdout]   |         ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]   = note: `IpAddrKind` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `kind` and `address` are never read
[INFO] [stdout]   --> rust_language/examples/c04_enum_test.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     struct IpAddr {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |         kind: IpAddrKind,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |         address: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `V4`, `V6` and `UNKNOWN` are never constructed
[INFO] [stdout]   --> rust_language/examples/c04_enum_test.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     enum IpAddr {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 58 |         V4(String),
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |         V6(String),
[INFO] [stdout]    |         ^^
[INFO] [stdout] 60 |         UNKNOWN(UnknownIpAddr),
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_func` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn hello_func() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_int` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn hello_int(name: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_ret_int` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn hello_ret_int(name: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_if` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn test_if(cond: bool) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_test` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn loop_test() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `outter_fn` is never used
[INFO] [stdout]   --> rust_language/examples/c01_func_test.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn outter_fn() -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling function_name-proc-macro v0.2.0
[INFO] [stderr]     Checking function_name v0.2.0
[INFO] [stderr]     Checking hello_mod v0.1.0 (/opt/rustwide/workdir/module_test/hello_mod)
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> module_test/hello_mod/src/hello_dir/hello_dir_2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hello() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_private` is never used
[INFO] [stdout]   --> module_test/hello_mod/src/hello_sub.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         fn hello_private() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> module_test/hello_mod/src/hello_dir/hello_dir_2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hello() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_private` is never used
[INFO] [stdout]   --> module_test/hello_mod/src/hello_sub.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |         fn hello_private() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "16caddef94bc9da882db0a68290aab5473eb521544a5c4ebcf67cd2846f8d5c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16caddef94bc9da882db0a68290aab5473eb521544a5c4ebcf67cd2846f8d5c0", kill_on_drop: false }`
[INFO] [stdout] 16caddef94bc9da882db0a68290aab5473eb521544a5c4ebcf67cd2846f8d5c0