[INFO] cloning repository https://github.com/ueki5/rust_zero2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ueki5/rust_zero2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueki5%2Frust_zero2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueki5%2Frust_zero2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f2f557ff9c5aec91680090abf4da2ebfa2a03a5
[INFO] testing ueki5/rust_zero2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fueki5%2Frust_zero2" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ueki5/rust_zero2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ueki5/rust_zero2
[INFO] finished tweaking git repo https://github.com/ueki5/rust_zero2
[INFO] tweaked toml for git repo https://github.com/ueki5/rust_zero2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ueki5/rust_zero2 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de8ed8d7efcd5c71d90bbfb9880ff31bee65e53369d4b35f7e8e1dbd8c583a90
[INFO] running `Command { std: "docker" "start" "-a" "de8ed8d7efcd5c71d90bbfb9880ff31bee65e53369d4b35f7e8e1dbd8c583a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de8ed8d7efcd5c71d90bbfb9880ff31bee65e53369d4b35f7e8e1dbd8c583a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de8ed8d7efcd5c71d90bbfb9880ff31bee65e53369d4b35f7e8e1dbd8c583a90", kill_on_drop: false }`
[INFO] [stdout] de8ed8d7efcd5c71d90bbfb9880ff31bee65e53369d4b35f7e8e1dbd8c583a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fd339e387f3024fb987568abbc8e8d3468df7b8dbabb266919fdd71325df71c
[INFO] running `Command { std: "docker" "start" "-a" "1fd339e387f3024fb987568abbc8e8d3468df7b8dbabb266919fdd71325df71c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anstyle-query v1.0.3
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling fd-lock v4.0.2
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling zrsh v0.1.0 (/opt/rustwide/workdir/zrsh)
[INFO] [stdout] warning: unused imports: `ForkResult`, `WaitPidFlag`, `WaitStatus`, `dup2`, `execvp`, `fork`, `killpg`, `libc`, `pipe`, `self`, `setpgid`, `tcsetpgrp`, `waitpid`
[INFO] [stdout]  --> zrsh/src/shell.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     libc,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     sys::{
[INFO] [stdout] 5 |         signal::{killpg, signal, SigHandler, Signal},
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 6 |         wait::{waitpid, WaitPidFlag, WaitStatus},
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 7 |     },
[INFO] [stdout] 8 |     unistd::{self, dup2, execvp, fork, pipe, setpgid, tcgetpgrp, tcsetpgrp, ForkResult, Pid},
[INFO] [stdout]   |              ^^^^  ^^^^  ^^^^^^  ^^^^  ^^^^  ^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Editor`
[INFO] [stdout]   --> zrsh/src/shell.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustyline::{error::ReadlineError, Editor, DefaultEditor};
[INFO] [stdout]    |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ffi::CString`, `mem::replace`, `path::PathBuf`
[INFO] [stdout]   --> zrsh/src/shell.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ffi::CString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     fs::File,
[INFO] [stdout] 16 |     mem::replace,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     path::Path,
[INFO] [stdout] 18 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> zrsh/src/shell.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         if let path =  Path::new(&self.logfile) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> zrsh/src/shell.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut file = match File::create(&self.logfile) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> zrsh/src/shell.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Ok(file) => (),
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> zrsh/src/shell.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut file = match File::create(&self.logfile) {
[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: unused variable: `stdin`
[INFO] [stdout]    --> zrsh/src/shell.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let stdin = io::stdin(); // We get `Stdin` here.
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worker_rx`
[INFO] [stdout]    --> zrsh/src/shell.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worker_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shell_tx`
[INFO] [stdout]    --> zrsh/src/shell.rs:205:56
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shell_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> zrsh/src/shell.rs:205:14
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CleanUp` is never constructed
[INFO] [stdout]   --> zrsh/src/shell.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct CleanUp<F>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> zrsh/src/shell.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Signal(i32), // シグナルを受信
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Signal(()), // シグナルを受信
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> zrsh/src/shell.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Cmd(String), // コマンド入力
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Cmd(()), // コマンド入力
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Continue` and `Quit` are never constructed
[INFO] [stdout]   --> zrsh/src/shell.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ShellMsg {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 50 |     Continue(i32), // シェルの読み込みを再開。i32は最後の終了コード
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 51 |     Quit(i32),     // シェルを終了。i32はシェルの終了コード
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Run` and `Stop` are never constructed
[INFO] [stdout]    --> zrsh/src/shell.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | enum ProcState {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 163 |     Run,  // 実行中
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 164 |     Stop, // 停止中
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `pgid` are never read
[INFO] [stdout]    --> zrsh/src/shell.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct ProcInfo {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 169 |     state: ProcState, // 実行状態
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 170 |     pgid: Pid,        // プロセスグループID
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `exit_val`, `fg`, `jobs`, `pgid_to_pids`, `pid_to_info`, and `shell_pgid` are never read
[INFO] [stdout]    --> zrsh/src/shell.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct Worker {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 175 |     exit_val: i32,   // 終了コード
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 176 |     fg: Option<Pid>, // フォアグラウンドのプロセスグループID
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     jobs: BTreeMap<usize, (Pid, String)>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pgid_to_pids: HashMap<Pid, (usize, HashSet<Pid>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 183 |
[INFO] [stdout] 184 |     pid_to_info: HashMap<Pid, ProcInfo>, // プロセスIDからプロセスグループIDへのマップ
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 185 |     shell_pgid: Pid,                     // シェルのプロセスグループID
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `syscall` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:611:4
[INFO] [stdout]     |
[INFO] [stdout] 611 | fn syscall<F, T>(f: F) -> Result<T, nix::Error>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cmd_one` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:680:4
[INFO] [stdout]     |
[INFO] [stdout] 680 | fn parse_cmd_one(line: &str) -> Result<(&str, Vec<&str>), DynError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pipe` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:699:4
[INFO] [stdout]     |
[INFO] [stdout] 699 | fn parse_pipe(line: &str) -> Vec<&str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CmdResult` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:704:6
[INFO] [stdout]     |
[INFO] [stdout] 704 | type CmdResult<'a> = Result<Vec<(&'a str, Vec<&'a str>)>, DynError>;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cmd` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:718:4
[INFO] [stdout]     |
[INFO] [stdout] 718 | fn parse_cmd(line: &str) -> CmdResult {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> zrsh/src/shell.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> zrsh/src/shell.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling regex v0.1.0 (/opt/rustwide/workdir/regex)
[INFO] [stdout] warning: unused import: `crate::helper::safe_add`
[INFO] [stdout]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper::safe_add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> regex/src/engine/parser.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[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: variant `InvalidPC` is never constructed
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidPC,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stdout]   --> regex/src/engine/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stdout] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.gen_expr(e1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.gen_expr(e1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.gen_expr(e2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.gen_expr(e2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::helper::safe_add`
[INFO] [stdout]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper::safe_add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `do_matching`, `print`
[INFO] [stdout]  --> regex/src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use engine::{do_matching, print};
[INFO] [stdout]   |              ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> regex/src/engine/parser.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[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: variant `InvalidPC` is never constructed
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidPC,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stdout]   --> regex/src/engine/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stdout] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.gen_expr(e1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.gen_expr(e1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.gen_expr(e2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.gen_expr(e2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "1fd339e387f3024fb987568abbc8e8d3468df7b8dbabb266919fdd71325df71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fd339e387f3024fb987568abbc8e8d3468df7b8dbabb266919fdd71325df71c", kill_on_drop: false }`
[INFO] [stdout] 1fd339e387f3024fb987568abbc8e8d3468df7b8dbabb266919fdd71325df71c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d2644f2b05c8c09cc814c8c75e9f84c27fac12701c4a7a2761ac04fccb4f49
[INFO] running `Command { std: "docker" "start" "-a" "26d2644f2b05c8c09cc814c8c75e9f84c27fac12701c4a7a2761ac04fccb4f49", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stdout] warning: unused import: `crate::helper::safe_add`
[INFO] [stdout]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper::safe_add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> regex/src/engine/parser.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[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: variant `InvalidPC` is never constructed
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidPC,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stdout]   --> regex/src/engine/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stdout] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.gen_expr(e1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.gen_expr(e1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.gen_expr(e2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.gen_expr(e2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zrsh v0.1.0 (/opt/rustwide/workdir/zrsh)
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stdout] warning: unused imports: `ForkResult`, `WaitPidFlag`, `WaitStatus`, `dup2`, `execvp`, `fork`, `killpg`, `libc`, `pipe`, `self`, `setpgid`, `tcsetpgrp`, `waitpid`
[INFO] [stdout]  --> zrsh/src/shell.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     libc,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     sys::{
[INFO] [stdout] 5 |         signal::{killpg, signal, SigHandler, Signal},
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout] 6 |         wait::{waitpid, WaitPidFlag, WaitStatus},
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 7 |     },
[INFO] [stdout] 8 |     unistd::{self, dup2, execvp, fork, pipe, setpgid, tcgetpgrp, tcsetpgrp, ForkResult, Pid},
[INFO] [stdout]   |              ^^^^  ^^^^  ^^^^^^  ^^^^  ^^^^  ^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Editor`
[INFO] [stdout]   --> zrsh/src/shell.rs:10:39
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rustyline::{error::ReadlineError, Editor, DefaultEditor};
[INFO] [stdout]    |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ffi::CString`, `mem::replace`, `path::PathBuf`
[INFO] [stdout]   --> zrsh/src/shell.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ffi::CString,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     fs::File,
[INFO] [stdout] 16 |     mem::replace,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     path::Path,
[INFO] [stdout] 18 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> zrsh/src/shell.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |         if let path =  Path::new(&self.logfile) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> zrsh/src/shell.rs:72:25
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut file = match File::create(&self.logfile) {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> zrsh/src/shell.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |                     Ok(file) => (),
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> zrsh/src/shell.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut file = match File::create(&self.logfile) {
[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: unused variable: `stdin`
[INFO] [stdout]    --> zrsh/src/shell.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let stdin = io::stdin(); // We get `Stdin` here.
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `worker_rx`
[INFO] [stdout]    --> zrsh/src/shell.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worker_rx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shell_tx`
[INFO] [stdout]    --> zrsh/src/shell.rs:205:56
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shell_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> zrsh/src/shell.rs:205:14
[INFO] [stdout]     |
[INFO] [stdout] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CleanUp` is never constructed
[INFO] [stdout]   --> zrsh/src/shell.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct CleanUp<F>
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> zrsh/src/shell.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Signal(i32), // シグナルを受信
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Signal(()), // シグナルを受信
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> zrsh/src/shell.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Cmd(String), // コマンド入力
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 45 |     Cmd(()), // コマンド入力
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Continue` and `Quit` are never constructed
[INFO] [stdout]   --> zrsh/src/shell.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum ShellMsg {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 50 |     Continue(i32), // シェルの読み込みを再開。i32は最後の終了コード
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 51 |     Quit(i32),     // シェルを終了。i32はシェルの終了コード
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Run` and `Stop` are never constructed
[INFO] [stdout]    --> zrsh/src/shell.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 162 | enum ProcState {
[INFO] [stdout]     |      --------- variants in this enum
[INFO] [stdout] 163 |     Run,  // 実行中
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 164 |     Stop, // 停止中
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `state` and `pgid` are never read
[INFO] [stdout]    --> zrsh/src/shell.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 168 | struct ProcInfo {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] 169 |     state: ProcState, // 実行状態
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 170 |     pgid: Pid,        // プロセスグループID
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ProcInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `exit_val`, `fg`, `jobs`, `pgid_to_pids`, `pid_to_info`, and `shell_pgid` are never read
[INFO] [stdout]    --> zrsh/src/shell.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct Worker {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] 175 |     exit_val: i32,   // 終了コード
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 176 |     fg: Option<Pid>, // フォアグラウンドのプロセスグループID
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     jobs: BTreeMap<usize, (Pid, String)>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     pgid_to_pids: HashMap<Pid, (usize, HashSet<Pid>)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 183 |
[INFO] [stdout] 184 |     pid_to_info: HashMap<Pid, ProcInfo>, // プロセスIDからプロセスグループIDへのマップ
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 185 |     shell_pgid: Pid,                     // シェルのプロセスグループID
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `syscall` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:611:4
[INFO] [stdout]     |
[INFO] [stdout] 611 | fn syscall<F, T>(f: F) -> Result<T, nix::Error>
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cmd_one` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:680:4
[INFO] [stdout]     |
[INFO] [stdout] 680 | fn parse_cmd_one(line: &str) -> Result<(&str, Vec<&str>), DynError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_pipe` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:699:4
[INFO] [stdout]     |
[INFO] [stdout] 699 | fn parse_pipe(line: &str) -> Vec<&str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CmdResult` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:704:6
[INFO] [stdout]     |
[INFO] [stdout] 704 | type CmdResult<'a> = Result<Vec<(&'a str, Vec<&'a str>)>, DynError>;
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cmd` is never used
[INFO] [stdout]    --> zrsh/src/shell.rs:718:4
[INFO] [stdout]     |
[INFO] [stdout] 718 | fn parse_cmd(line: &str) -> CmdResult {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> zrsh/src/shell.rs:99:25
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 99 |                         let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> zrsh/src/shell.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling regex v0.1.0 (/opt/rustwide/workdir/regex)
[INFO] [stdout] warning: unused import: `crate::helper::safe_add`
[INFO] [stdout]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper::safe_add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::helper::safe_add`
[INFO] [stdout]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::helper::safe_add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `do_matching`, `print`
[INFO] [stdout]  --> regex/src/main.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use engine::{do_matching, print};
[INFO] [stdout]   |              ^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> regex/src/engine/parser.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[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: unused variable: `r`
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidPC` is never constructed
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidPC,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stdout]   --> regex/src/engine/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stdout] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> regex/src/engine/parser.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[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: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.gen_expr(e1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.gen_expr(e1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.gen_expr(e2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.gen_expr(e2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidPC` is never constructed
[INFO] [stdout]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum EvalError {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     InvalidPC,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stdout]   --> regex/src/engine/parser.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stdout] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.gen_expr(e1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let _ = self.gen_expr(e1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         self.inc_pc();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = self.inc_pc();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         self.gen_expr(e2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let _ = self.gen_expr(e2);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.70s
[INFO] running `Command { std: "docker" "inspect" "26d2644f2b05c8c09cc814c8c75e9f84c27fac12701c4a7a2761ac04fccb4f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d2644f2b05c8c09cc814c8c75e9f84c27fac12701c4a7a2761ac04fccb4f49", kill_on_drop: false }`
[INFO] [stdout] 26d2644f2b05c8c09cc814c8c75e9f84c27fac12701c4a7a2761ac04fccb4f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac93f4018c70288bc1dd0f42b96fc8bda86f555ef9405b1917d83217cd4cbf6b
[INFO] running `Command { std: "docker" "start" "-a" "ac93f4018c70288bc1dd0f42b96fc8bda86f555ef9405b1917d83217cd4cbf6b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::helper::safe_add`
[INFO] [stderr]  --> regex/src/engine/evaluator.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::helper::safe_add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> regex/src/engine/evaluator.rs:91:31
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     if let Ok(r) = _eval(insts, line, pc, sp, is_depth, &mut v, &mut ans) {}
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> regex/src/engine/parser.rs:105:48
[INFO] [stderr]     |
[INFO] [stderr] 105 |                         if let Some((mut prev, mut prev_or)) = stack.pop() {
[INFO] [stderr]     |                                                ----^^^^^^^
[INFO] [stderr]     |                                                |
[INFO] [stderr]     |                                                help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InvalidPC` is never constructed
[INFO] [stderr]   --> regex/src/engine/evaluator.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub enum EvalError {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 14 |     InvalidPC,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `EvalError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `InvalidOr` and `NoRightParen` are never constructed
[INFO] [stderr]   --> regex/src/engine/parser.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum ParseError {
[INFO] [stderr]    |          ---------- variants in this enum
[INFO] [stderr] 20 |     InvalidEscape(usize, char), // 誤ったエスケープシーケンス
[INFO] [stderr] 21 |     InvalidOr(usize, char),     // |の後に式がない
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     NoRightParen,               // 右閉じ括弧無し
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> regex/src/engine/codegen.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         self.inc_pc();
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let _ = self.inc_pc();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> regex/src/engine/codegen.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |         self.gen_expr(e1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let _ = self.gen_expr(e1);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> regex/src/engine/codegen.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         self.inc_pc();
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let _ = self.inc_pc();
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> regex/src/engine/codegen.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         self.gen_expr(e2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let _ = self.gen_expr(e2);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `regex` (lib) generated 9 warnings (run `cargo fix --lib -p regex` to apply 2 suggestions)
[INFO] [stderr] warning: unused imports: `do_matching`, `print`
[INFO] [stderr]  --> regex/src/main.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use engine::{do_matching, print};
[INFO] [stderr]   |              ^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `regex` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr] warning: `regex` (bin "regex" test) generated 10 warnings (9 duplicates) (run `cargo fix --bin "regex" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `ForkResult`, `WaitPidFlag`, `WaitStatus`, `dup2`, `execvp`, `fork`, `killpg`, `libc`, `pipe`, `self`, `setpgid`, `tcsetpgrp`, `waitpid`
[INFO] [stderr]  --> zrsh/src/shell.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     libc,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     sys::{
[INFO] [stderr] 5 |         signal::{killpg, signal, SigHandler, Signal},
[INFO] [stderr]   |                  ^^^^^^
[INFO] [stderr] 6 |         wait::{waitpid, WaitPidFlag, WaitStatus},
[INFO] [stderr]   |                ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 7 |     },
[INFO] [stderr] 8 |     unistd::{self, dup2, execvp, fork, pipe, setpgid, tcgetpgrp, tcsetpgrp, ForkResult, Pid},
[INFO] [stderr]   |              ^^^^  ^^^^  ^^^^^^  ^^^^  ^^^^  ^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Editor`
[INFO] [stderr]   --> zrsh/src/shell.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rustyline::{error::ReadlineError, Editor, DefaultEditor};
[INFO] [stderr]    |                                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ffi::CString`, `mem::replace`, `path::PathBuf`
[INFO] [stderr]   --> zrsh/src/shell.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     ffi::CString,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 15 |     fs::File,
[INFO] [stderr] 16 |     mem::replace,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 17 |     path::Path,
[INFO] [stderr] 18 |     path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]   --> zrsh/src/shell.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |         if let path =  Path::new(&self.logfile) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]    = help: consider replacing the `if let` with a `let`
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> zrsh/src/shell.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut file = match File::create(&self.logfile) {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> zrsh/src/shell.rs:74:24
[INFO] [stderr]    |
[INFO] [stderr] 74 |                     Ok(file) => (),
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> zrsh/src/shell.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |                 let mut file = match File::create(&self.logfile) {
[INFO] [stderr]    |                     ----^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stdin`
[INFO] [stderr]    --> zrsh/src/shell.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |         let stdin = io::stdin(); // We get `Stdin` here.
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `worker_rx`
[INFO] [stderr]    --> zrsh/src/shell.rs:205:24
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stderr]     |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_worker_rx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shell_tx`
[INFO] [stderr]    --> zrsh/src/shell.rs:205:56
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stderr]     |                                                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shell_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> zrsh/src/shell.rs:205:14
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn spawn(mut self, worker_rx: Receiver<WorkerMsg>, shell_tx: SyncSender<ShellMsg>) {
[INFO] [stderr]     |              ----^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CleanUp` is never constructed
[INFO] [stderr]   --> zrsh/src/shell.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct CleanUp<F>
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> zrsh/src/shell.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Signal(i32), // シグナルを受信
[INFO] [stderr]    |     ------ ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Signal(()), // シグナルを受信
[INFO] [stderr]    |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> zrsh/src/shell.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Cmd(String), // コマンド入力
[INFO] [stderr]    |     --- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 45 |     Cmd(()), // コマンド入力
[INFO] [stderr]    |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Continue` and `Quit` are never constructed
[INFO] [stderr]   --> zrsh/src/shell.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | enum ShellMsg {
[INFO] [stderr]    |      -------- variants in this enum
[INFO] [stderr] 50 |     Continue(i32), // シェルの読み込みを再開。i32は最後の終了コード
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 51 |     Quit(i32),     // シェルを終了。i32はシェルの終了コード
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Run` and `Stop` are never constructed
[INFO] [stderr]    --> zrsh/src/shell.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 162 | enum ProcState {
[INFO] [stderr]     |      --------- variants in this enum
[INFO] [stderr] 163 |     Run,  // 実行中
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 164 |     Stop, // 停止中
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ProcState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `state` and `pgid` are never read
[INFO] [stderr]    --> zrsh/src/shell.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 168 | struct ProcInfo {
[INFO] [stderr]     |        -------- fields in this struct
[INFO] [stderr] 169 |     state: ProcState, // 実行状態
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 170 |     pgid: Pid,        // プロセスグループID
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `ProcInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `exit_val`, `fg`, `jobs`, `pgid_to_pids`, `pid_to_info`, and `shell_pgid` are never read
[INFO] [stderr]    --> zrsh/src/shell.rs:175:5
[INFO] [stderr]     |
[INFO] [stderr] 174 | struct Worker {
[INFO] [stderr]     |        ------ fields in this struct
[INFO] [stderr] 175 |     exit_val: i32,   // 終了コード
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 176 |     fg: Option<Pid>, // フォアグラウンドのプロセスグループID
[INFO] [stderr]     |     ^^
[INFO] [stderr] ...
[INFO] [stderr] 179 |     jobs: BTreeMap<usize, (Pid, String)>,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 182 |     pgid_to_pids: HashMap<Pid, (usize, HashSet<Pid>)>,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 183 |
[INFO] [stderr] 184 |     pid_to_info: HashMap<Pid, ProcInfo>, // プロセスIDからプロセスグループIDへのマップ
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 185 |     shell_pgid: Pid,                     // シェルのプロセスグループID
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `syscall` is never used
[INFO] [stderr]    --> zrsh/src/shell.rs:611:4
[INFO] [stderr]     |
[INFO] [stderr] 611 | fn syscall<F, T>(f: F) -> Result<T, nix::Error>
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_cmd_one` is never used
[INFO] [stderr]    --> zrsh/src/shell.rs:680:4
[INFO] [stderr]     |
[INFO] [stderr] 680 | fn parse_cmd_one(line: &str) -> Result<(&str, Vec<&str>), DynError> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_pipe` is never used
[INFO] [stderr]    --> zrsh/src/shell.rs:699:4
[INFO] [stderr]     |
[INFO] [stderr] 699 | fn parse_pipe(line: &str) -> Vec<&str> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `CmdResult` is never used
[INFO] [stderr]    --> zrsh/src/shell.rs:704:6
[INFO] [stderr]     |
[INFO] [stderr] 704 | type CmdResult<'a> = Result<Vec<(&'a str, Vec<&'a str>)>, DynError>;
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_cmd` is never used
[INFO] [stderr]    --> zrsh/src/shell.rs:718:4
[INFO] [stderr]     |
[INFO] [stderr] 718 | fn parse_cmd(line: &str) -> CmdResult {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> zrsh/src/shell.rs:99:25
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 99 |                         let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> zrsh/src/shell.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let _ = rl.add_history_entry(line_trimed); // ヒストリーファイルに追加                        
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `zrsh` (bin "zrsh" test) generated 25 warnings (run `cargo fix --bin "zrsh" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regex-d5ffe19aecadbb34)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test engine::parser::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/regex-0aa94cc0aaa80ca3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test engine::parser::test ... ok
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zrsh-ff2a13be3509e0ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regex
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test regex/src/engine.rs - engine::print (line 34) ... ok
[INFO] [stdout] test regex/src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac93f4018c70288bc1dd0f42b96fc8bda86f555ef9405b1917d83217cd4cbf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac93f4018c70288bc1dd0f42b96fc8bda86f555ef9405b1917d83217cd4cbf6b", kill_on_drop: false }`
[INFO] [stdout] ac93f4018c70288bc1dd0f42b96fc8bda86f555ef9405b1917d83217cd4cbf6b
