[INFO] cloning repository https://github.com/Saltedf/Saltedf-codecrafters-grep-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saltedf/Saltedf-codecrafters-grep-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltedf%2FSaltedf-codecrafters-grep-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltedf%2FSaltedf-codecrafters-grep-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b94d867caa2b6390bf67d44ca75a3394683adcff
[INFO] testing Saltedf/Saltedf-codecrafters-grep-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltedf%2FSaltedf-codecrafters-grep-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Saltedf/Saltedf-codecrafters-grep-rust
[INFO] finished tweaking git repo https://github.com/Saltedf/Saltedf-codecrafters-grep-rust
[INFO] tweaked toml for git repo https://github.com/Saltedf/Saltedf-codecrafters-grep-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Saltedf/Saltedf-codecrafters-grep-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Saltedf/Saltedf-codecrafters-grep-rust 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f21c8dd8408a210baeb2447d9f76fac19ffaac830a17efbb47372c5086866e4c
[INFO] running `Command { std: "docker" "start" "-a" "f21c8dd8408a210baeb2447d9f76fac19ffaac830a17efbb47372c5086866e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f21c8dd8408a210baeb2447d9f76fac19ffaac830a17efbb47372c5086866e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21c8dd8408a210baeb2447d9f76fac19ffaac830a17efbb47372c5086866e4c", kill_on_drop: false }`
[INFO] [stdout] f21c8dd8408a210baeb2447d9f76fac19ffaac830a17efbb47372c5086866e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdcf851729b96a85bd3b9b11bad7190b3772314866cd9ca13214f610074519ee
[INFO] running `Command { std: "docker" "start" "-a" "bdcf851729b96a85bd3b9b11bad7190b3772314866cd9ca13214f610074519ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling codecrafters-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/regex/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `char`
[INFO] [stdout]   --> src/regex.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::char;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Peekable`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str::Chars;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/regex/parser.rs:179:33
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   let mut digits: Vec<&str> = digit_text.split(",").collect();
[INFO] [stdout]     |                           ----^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]    --> src/regex/parser.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let mut min = 1;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]    --> src/regex/parser.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let mut max = 1;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/regex/vm.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/regex/vm.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Inst::Char(ch) => {
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 42 |             Inst::AnyChar => {
[INFO] [stdout]    |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 47 |             Inst::Start => cursor == 0,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 48 |             Inst::End => text.char_at(cursor).is_none(),
[INFO] [stdout]    |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stdout]    |             ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/regex/vm.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Inst::GroupBegin(num) => {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RegexError` is never used
[INFO] [stdout]   --> src/regex.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum RegexError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]   --> src/regex/input.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<'t> Text<'t> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn slice(&self, start: usize, end: usize) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_match` is never used
[INFO] [stdout]   --> src/regex/ir.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Inst {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 22 |     pub fn is_match(&self, ch: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PatchError` is never constructed
[INFO] [stdout]   --> src/regex/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     PatchError,
[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: field `patch_list` is never read
[INFO] [stdout]   --> src/regex/parser.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Parser<'p> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     patch_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pc` is never used
[INFO] [stdout]    --> src/regex/parser.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl<'p> Parser<'p> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn pc(&self) -> usize {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MatchResult` is never constructed
[INFO] [stdout]  --> src/regex/result.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct MatchResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/regex/result.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl MatchResult {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(is_match: bool, capatured: Vec<(usize, usize)>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "bdcf851729b96a85bd3b9b11bad7190b3772314866cd9ca13214f610074519ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcf851729b96a85bd3b9b11bad7190b3772314866cd9ca13214f610074519ee", kill_on_drop: false }`
[INFO] [stdout] bdcf851729b96a85bd3b9b11bad7190b3772314866cd9ca13214f610074519ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc26c7610cef9e6bdfdcac1e3bd6df83a2ac0d1006abbd2e729680a7c6504568
[INFO] running `Command { std: "docker" "start" "-a" "cc26c7610cef9e6bdfdcac1e3bd6df83a2ac0d1006abbd2e729680a7c6504568", kill_on_drop: false }`
[INFO] [stderr]    Compiling codecrafters-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/regex/input.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Error`
[INFO] [stdout]   --> src/regex/input.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use anyhow::Error;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `char`
[INFO] [stdout]   --> src/regex.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     collections::{HashMap, HashSet},
[INFO] [stdout]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::char`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::char;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Peekable`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::iter::Peekable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::str::Chars;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/regex/parser.rs:179:33
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   let mut digits: Vec<&str> = digit_text.split(",").collect();
[INFO] [stdout]     |                           ----^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min` is never read
[INFO] [stdout]    --> src/regex/parser.rs:168:31
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let mut min = 1;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max` is never read
[INFO] [stdout]    --> src/regex/parser.rs:169:31
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let mut max = 1;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/regex/vm.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/regex/vm.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Inst::Char(ch) => {
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 42 |             Inst::AnyChar => {
[INFO] [stdout]    |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 47 |             Inst::Start => cursor == 0,
[INFO] [stdout]    |             ----------- matches some of the same values
[INFO] [stdout] 48 |             Inst::End => text.char_at(cursor).is_none(),
[INFO] [stdout]    |             --------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stdout]    |             ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/regex/vm.rs:70:30
[INFO] [stdout]    |
[INFO] [stdout] 70 |             Inst::GroupBegin(num) => {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RegexError` is never used
[INFO] [stdout]   --> src/regex.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum RegexError {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice` is never used
[INFO] [stdout]   --> src/regex/input.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl<'t> Text<'t> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn slice(&self, start: usize, end: usize) -> &str {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_match` is never used
[INFO] [stdout]   --> src/regex/ir.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Inst {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 22 |     pub fn is_match(&self, ch: &char) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PatchError` is never constructed
[INFO] [stdout]   --> src/regex/parser.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     PatchError,
[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: field `patch_list` is never read
[INFO] [stdout]   --> src/regex/parser.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Parser<'p> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 42 |     patch_list: Vec<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pc` is never used
[INFO] [stdout]    --> src/regex/parser.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout]  47 | impl<'p> Parser<'p> {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn pc(&self) -> usize {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MatchResult` is never constructed
[INFO] [stdout]  --> src/regex/result.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct MatchResult {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/regex/result.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl MatchResult {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn new(is_match: bool, capatured: Vec<(usize, usize)>) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "cc26c7610cef9e6bdfdcac1e3bd6df83a2ac0d1006abbd2e729680a7c6504568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc26c7610cef9e6bdfdcac1e3bd6df83a2ac0d1006abbd2e729680a7c6504568", kill_on_drop: false }`
[INFO] [stdout] cc26c7610cef9e6bdfdcac1e3bd6df83a2ac0d1006abbd2e729680a7c6504568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5fb89a71c4a362c89da1cdcd3f73b93aab1e72509a5254c7b0a4de7e591d081b
[INFO] running `Command { std: "docker" "start" "-a" "5fb89a71c4a362c89da1cdcd3f73b93aab1e72509a5254c7b0a4de7e591d081b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::Index`
[INFO] [stderr]  --> src/regex/input.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Error`
[INFO] [stderr]   --> src/regex/input.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     use anyhow::Error;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`, and `char`
[INFO] [stderr]   --> src/regex.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     char,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 12 |     collections::{HashMap, HashSet},
[INFO] [stderr]    |                   ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::char`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::char;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Chars`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::str::Chars;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/regex/parser.rs:179:33
[INFO] [stderr]     |
[INFO] [stderr] 179 | ...                   let mut digits: Vec<&str> = digit_text.split(",").collect();
[INFO] [stderr]     |                           ----^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min` is never read
[INFO] [stderr]    --> src/regex/parser.rs:168:31
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let mut min = 1;
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `max` is never read
[INFO] [stderr]    --> src/regex/parser.rs:169:31
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 let mut max = 1;
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/regex/vm.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/regex/vm.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Inst::Char(ch) => {
[INFO] [stderr]    |             -------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 42 |             Inst::AnyChar => {
[INFO] [stderr]    |             ------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 47 |             Inst::Start => cursor == 0,
[INFO] [stderr]    |             ----------- matches some of the same values
[INFO] [stderr] 48 |             Inst::End => text.char_at(cursor).is_none(),
[INFO] [stderr]    |             --------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 97 |             _ => todo!("没有实现的指令"),
[INFO] [stderr]    |             ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/regex/vm.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |             Inst::GroupBegin(num) => {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `RegexError` is never used
[INFO] [stderr]   --> src/regex.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub enum RegexError {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `slice` is never used
[INFO] [stderr]   --> src/regex/input.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl<'t> Text<'t> {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn slice(&self, start: usize, end: usize) -> &str {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_match` is never used
[INFO] [stderr]   --> src/regex/ir.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Inst {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 22 |     pub fn is_match(&self, ch: &char) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PatchError` is never constructed
[INFO] [stderr]   --> src/regex/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub enum ParseError {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 30 |     PatchError,
[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: field `patch_list` is never read
[INFO] [stderr]   --> src/regex/parser.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub struct Parser<'p> {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 42 |     patch_list: Vec<usize>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `pc` is never used
[INFO] [stderr]    --> src/regex/parser.rs:343:8
[INFO] [stderr]     |
[INFO] [stderr]  47 | impl<'p> Parser<'p> {
[INFO] [stderr]     | ------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 343 |     fn pc(&self) -> usize {
[INFO] [stderr]     |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MatchResult` is never constructed
[INFO] [stderr]  --> src/regex/result.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct MatchResult {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/regex/result.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | impl MatchResult {
[INFO] [stderr]   | ---------------- associated function in this implementation
[INFO] [stderr] 7 |     pub fn new(is_match: bool, capatured: Vec<(usize, usize)>) -> Self {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `codecrafters-grep` (bin "codecrafters-grep" test) generated 20 warnings (run `cargo fix --bin "codecrafters-grep" -p codecrafters-grep --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codecrafters_grep-f4f26a61c2e55de5)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test regex::input::tests::test_char_at ... ok
[INFO] [stdout] test regex::tests::test_at_least_n_quantifier ... ok
[INFO] [stdout] test regex::parser::tests::test_split ... ok
[INFO] [stdout] test regex::tests::test_at_least_n_quantifier2 ... ok
[INFO] [stdout] test regex::tests::test_capturing_groups ... ok
[INFO] [stdout] test regex::tests::test_capturing_groups2 ... ok
[INFO] [stdout] test regex::tests::test_compile_group ... ok
[INFO] [stdout] test regex::tests::test_match_alternation ... ok
[INFO] [stdout] test regex::tests::test_match_alternation2 ... ok
[INFO] [stdout] test regex::tests::test_match_anchor ... ok
[INFO] [stdout] test regex::tests::test_match_wildcard ... ok
[INFO] [stdout] test regex::tests::test_match_escaped_char ... ok
[INFO] [stdout] test regex::tests::test_match_zero_or_more ... ok
[INFO] [stdout] test regex::tests::test_multiple_backreferences ... ok
[INFO] [stdout] test regex::tests::test_postive_group ... ok
[INFO] [stdout] test regex::tests::test_nested_capturing_groups ... ok
[INFO] [stdout] test regex::tests::test_negative_group ... ok
[INFO] [stdout] test regex::tests::test_run_chars ... ok
[INFO] [stdout] test regex::parser::tests::test_splice ... ok
[INFO] [stdout] test regex::tests::test_compile_zero_or_more ... ok
[INFO] [stdout] test regex::tests::test_escaped_char_alphanumber ... ok
[INFO] [stdout] test regex::tests::test_escaped_char_underline ... ok
[INFO] [stdout] test regex::tests::test_the_n_quantifier ... ok
[INFO] [stdout] test regex::vm::tests::test_backref ... ok
[INFO] [stdout] test regex::vm::tests::test_vec_index ... ok
[INFO] [stdout] test regex::vm::tests::test_backref2 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- regex::vm::tests::test_backref2 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'regex::vm::tests::test_backref2' (41) panicked at src/regex/vm.rs:155:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: false
[INFO] [stdout]  right: true
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5cde3b64311a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5cde3b64311a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5cde3b64311a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5cde3b64311a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5cde3b65745a - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5cde3b65745a - core[10b6fa85044e1869]::fmt::write
[INFO] [stdout]    6:     0x5cde3b647e72 - std[b80a194dd3c418bb]::io::default_write_fmt::<alloc[dd269455e567d8e9]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5cde3b647e72 - <alloc[dd269455e567d8e9]::vec::Vec<u8> as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5cde3b621ebf - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5cde3b621ebf - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5cde3b63b609 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5cde3b5d02fc - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x5cde3b5d02fc - test[826cbc6ef54ab466]::test_main_with_exit_callback::<test[826cbc6ef54ab466]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5cde3b63b7c2 - <alloc[dd269455e567d8e9]::boxed::Box<dyn for<'a, 'b> core[10b6fa85044e1869]::ops::function::Fn<(&'a std[b80a194dd3c418bb]::panic::PanicHookInfo<'b>,), Output = ()> + core[10b6fa85044e1869]::marker::Sync + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::Fn<(&std[b80a194dd3c418bb]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x5cde3b63b7c2 - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5cde3b621f78 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5cde3b6193b9 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5cde3b622d7d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5cde3b657d0c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5cde3b657bc3 - core[10b6fa85044e1869]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5cde3b5becbd - core::panicking::assert_failed::h5e5414029c1d7362
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5cde3b5bdb11 - codecrafters_grep::regex::vm::tests::test_backref2::h24b6f95ed1ff40b1
[INFO] [stdout]                                at /opt/rustwide/workdir/src/regex/vm.rs:155:9
[INFO] [stdout]   22:     0x5cde3b5bdd87 - codecrafters_grep::regex::vm::tests::test_backref2::{{closure}}::he330df03b00b3e9e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/regex/vm.rs:134:23
[INFO] [stdout]   23:     0x5cde3b5b6de6 - core::ops::function::FnOnce::call_once::h1030af46111ee3ca
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5cde3b5c43db - <fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5cde3b5c43db - test[826cbc6ef54ab466]::__rust_begin_short_backtrace::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, fn() -> core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5cde3b5d0dcb - test[826cbc6ef54ab466]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5cde3b5d0dcb - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5cde3b5d0dcb - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5cde3b5d0dcb - std[b80a194dd3c418bb]::panicking::catch_unwind::<core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>, core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5cde3b5d0dcb - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<test[826cbc6ef54ab466]::run_test_in_process::{closure#0}>, core[10b6fa85044e1869]::result::Result<(), alloc[dd269455e567d8e9]::string::String>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5cde3b5d0dcb - test[826cbc6ef54ab466]::run_test_in_process
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5cde3b5d0dcb - test[826cbc6ef54ab466]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5cde3b5cc4e4 - test[826cbc6ef54ab466]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5cde3b5cc4e4 - std[b80a194dd3c418bb]::sys::backtrace::__rust_begin_short_backtrace::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5cde3b5d39d2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5cde3b5d39d2 - <core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5cde3b5d39d2 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5cde3b5d39d2 - std[b80a194dd3c418bb]::panicking::catch_unwind::<(), core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5cde3b5d39d2 - std[b80a194dd3c418bb]::panic::catch_unwind::<core[10b6fa85044e1869]::panic::unwind_safe::AssertUnwindSafe<std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5cde3b5d39d2 - std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked::<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5cde3b5d39d2 - <std[b80a194dd3c418bb]::thread::lifecycle::spawn_unchecked<test[826cbc6ef54ab466]::run_test::{closure#1}, ()>::{closure#1} as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5cde3b642a2f - <alloc[dd269455e567d8e9]::boxed::Box<dyn core[10b6fa85044e1869]::ops::function::FnOnce<(), Output = ()> + core[10b6fa85044e1869]::marker::Send> as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x5cde3b642a2f - <std[b80a194dd3c418bb]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x71ef4a616aa4 - <unknown>
[INFO] [stdout]   45:     0x71ef4a6a3a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     regex::vm::tests::test_backref2
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 25 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin codecrafters-grep`
[INFO] running `Command { std: "docker" "inspect" "5fb89a71c4a362c89da1cdcd3f73b93aab1e72509a5254c7b0a4de7e591d081b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb89a71c4a362c89da1cdcd3f73b93aab1e72509a5254c7b0a4de7e591d081b", kill_on_drop: false }`
[INFO] [stdout] 5fb89a71c4a362c89da1cdcd3f73b93aab1e72509a5254c7b0a4de7e591d081b
