[INFO] cloning repository https://github.com/NicoBliss/regex-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicoBliss/regex-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoBliss%2Fregex-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoBliss%2Fregex-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8d5f299d0e1fde0d715f4b4fac79370e2263a5b
[INFO] testing NicoBliss/regex-engine against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoBliss%2Fregex-engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NicoBliss/regex-engine
[INFO] finished tweaking git repo https://github.com/NicoBliss/regex-engine
[INFO] tweaked toml for git repo https://github.com/NicoBliss/regex-engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NicoBliss/regex-engine on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NicoBliss/regex-engine 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing NicoBliss/regex-engine against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicoBliss%2Fregex-engine" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NicoBliss/regex-engine
[INFO] finished tweaking git repo https://github.com/NicoBliss/regex-engine
[INFO] tweaked toml for git repo https://github.com/NicoBliss/regex-engine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NicoBliss/regex-engine on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NicoBliss/regex-engine 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8e319cd400a37c8879cdc9fbfb47766c2608f14bce0eb5c553439136c65faee
[INFO] running `Command { std: "docker" "start" "-a" "a8e319cd400a37c8879cdc9fbfb47766c2608f14bce0eb5c553439136c65faee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8e319cd400a37c8879cdc9fbfb47766c2608f14bce0eb5c553439136c65faee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e319cd400a37c8879cdc9fbfb47766c2608f14bce0eb5c553439136c65faee", kill_on_drop: false }`
[INFO] [stdout] a8e319cd400a37c8879cdc9fbfb47766c2608f14bce0eb5c553439136c65faee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9436744f8f0edee6c7a6a61f2bf2bb4b95bf8e873ea0697120680590d38ca592
[INFO] running `Command { std: "docker" "start" "-a" "9436744f8f0edee6c7a6a61f2bf2bb4b95bf8e873ea0697120680590d38ca592", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeIndex`
[INFO] [stdout]  --> src/automata.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::graph::graph::{Graph, NodeIndex};
[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: `CharClass`
[INFO] [stdout]  --> src/automata.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::parser::parser::{CharClass, CharCost};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]    --> src/parser.rs:205:34
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...   (Lexeme::Builtin(char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stdout]     |                        ^^^^                                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 (Lexeme::Builtin(_char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(_char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stdout]     |                                  +                                                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `automata`
[INFO] [stdout]   --> src/automata.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_automata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/automata.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Graph` is never constructed
[INFO] [stdout]  --> src/graph.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     pub struct Graph<T> {
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NodeIndex` is never used
[INFO] [stdout]  --> src/graph.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub type NodeIndex = usize;
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/graph.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub struct Node<T> {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/graph.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     impl<T> Node<T> {
[INFO] [stdout]    |     --------------- associated function in this implementation
[INFO] [stdout] 18 |         fn new(edges: Vec<(NodeIndex, Option<T>)>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/graph.rs:28:12
[INFO] [stdout]     |
[INFO] [stdout]  26 |     impl<T> Graph<T> {
[INFO] [stdout]     |     ---------------- associated items in this implementation
[INFO] [stdout]  27 |         // ensures "monotonicity" of node numbers
[INFO] [stdout]  28 |         fn add_node(&mut self, node: Node<T>) -> NodeIndex {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  34 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout]  46 |         fn set_active(&mut self, new_active: NodeIndex) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |         fn bump_endlinked(&mut self, endlinked: NodeIndex, new: NodeIndex, cost: Option<T>) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |         pub fn add_cost(&mut self, cost: T) {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  69 |         pub fn add_junction(&mut self, start: NodeIndex) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  77 |         pub fn close_junction(&mut self, start: NodeIndex) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |         pub fn zero_or_one(&mut self, start: NodeIndex) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |         pub fn one_or_more(&mut self, start: NodeIndex) {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |         pub fn zero_or_more(&mut self, start: NodeIndex) {
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         pub fn compile(self) -> Self {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharClass` is never constructed
[INFO] [stdout]  --> src/parser.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct CharClass {
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CharCost` is never used
[INFO] [stdout]   --> src/parser.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub enum CharCost {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Lexeme` is never used
[INFO] [stdout]   --> src/parser.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     enum Lexeme {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `match_char`, `lexeme_to_char`, and `set` are never used
[INFO] [stdout]   --> src/parser.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Lexeme {
[INFO] [stdout]    |     ----------- associated items in this implementation
[INFO] [stdout] 29 |         fn match_char(character: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |         fn lexeme_to_char(self) -> char {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |         fn set(&mut self, new_lex: Lexeme) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `fromchar` is never used
[INFO] [stdout]   --> src/parser.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     impl CharCost {
[INFO] [stdout]    |     ------------- associated function in this implementation
[INFO] [stdout] 67 |         fn fromchar(singleton: char) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_in`, `new`, `plus_literal`, and `plus_range` are never used
[INFO] [stdout]   --> src/parser.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     impl CharClass {
[INFO] [stdout]    |     -------------- associated items in this implementation
[INFO] [stdout] 73 |         fn is_in(&self, letter: char) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |         fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |         fn plus_literal(&mut self, new_char: char) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |         fn plus_range(&mut self, start_char: char, end_char: char) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lexer` is never used
[INFO] [stdout]   --> src/parser.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn lexer(regex: String) -> Result<Vec<Lexeme>,Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParserState` is never used
[INFO] [stdout]    --> src/parser.rs:145:10
[INFO] [stdout]     |
[INFO] [stdout] 145 |     enum ParserState {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_cost` and `add_cost_range` are never used
[INFO] [stdout]    --> src/parser.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 151 |     impl ParserState {
[INFO] [stdout]     |     ---------------- methods in this implementation
[INFO] [stdout] 152 |         fn add_cost(&mut self, new_char: char) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |         fn add_cost_range(&mut self, start_char: char, end_char: char) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parser` is never used
[INFO] [stdout]    --> src/parser.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub fn parser(regex: String) -> Result<Graph<CharCost>, Error> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MatchData` is never constructed
[INFO] [stdout]  --> src/automata.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct MatchData {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_automata` is never used
[INFO] [stdout]   --> src/automata.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "9436744f8f0edee6c7a6a61f2bf2bb4b95bf8e873ea0697120680590d38ca592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9436744f8f0edee6c7a6a61f2bf2bb4b95bf8e873ea0697120680590d38ca592", kill_on_drop: false }`
[INFO] [stdout] 9436744f8f0edee6c7a6a61f2bf2bb4b95bf8e873ea0697120680590d38ca592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c456c6c8a78c78b76b355e3967d89591ed52780cb9a362207bf2c0887b9c0f
[INFO] running `Command { std: "docker" "start" "-a" "22c456c6c8a78c78b76b355e3967d89591ed52780cb9a362207bf2c0887b9c0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NodeIndex`
[INFO] [stdout]  --> src/automata.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::graph::graph::{Graph, NodeIndex};
[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: `CharClass`
[INFO] [stdout]  --> src/automata.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::parser::parser::{CharClass, CharCost};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]    --> src/parser.rs:205:34
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...   (Lexeme::Builtin(char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stdout]     |                        ^^^^                                                        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 (Lexeme::Builtin(_char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(_char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stdout]     |                                  +                                                            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `automata`
[INFO] [stdout]   --> src/automata.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_automata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/automata.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compile` is never used
[INFO] [stdout]    --> src/graph.rs:116:16
[INFO] [stdout]     |
[INFO] [stdout]  26 |     impl<T> Graph<T> {
[INFO] [stdout]     |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |         pub fn compile(self) -> Self {
[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 `set` is never used
[INFO] [stdout]   --> src/parser.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     impl Lexeme {
[INFO] [stdout]    |     ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61 |         fn set(&mut self, new_lex: Lexeme) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/parser.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |         InClass(NodeIndex, CharClass),
[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] 147 -         InClass(NodeIndex, CharClass),
[INFO] [stdout] 147 +         InClass((), CharClass),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MatchData` is never constructed
[INFO] [stdout]  --> src/automata.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct MatchData {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_automata` is never used
[INFO] [stdout]   --> src/automata.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "22c456c6c8a78c78b76b355e3967d89591ed52780cb9a362207bf2c0887b9c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c456c6c8a78c78b76b355e3967d89591ed52780cb9a362207bf2c0887b9c0f", kill_on_drop: false }`
[INFO] [stdout] 22c456c6c8a78c78b76b355e3967d89591ed52780cb9a362207bf2c0887b9c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e85f3794292262a49697e51c87edd3aa2943d2ccecff70ecb3ae83cf16e1d1f2
[INFO] running `Command { std: "docker" "start" "-a" "e85f3794292262a49697e51c87edd3aa2943d2ccecff70ecb3ae83cf16e1d1f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `NodeIndex`
[INFO] [stdout] 
[INFO] [stderr]  --> src/automata.rs:2:38
[INFO] [stdout] running 7 tests
[INFO] [stderr]   |
[INFO] [stdout] test graph::graph::tests::basic_addition ... ok
[INFO] [stderr] 2 |     use crate::graph::graph::{Graph, NodeIndex};
[INFO] [stdout] test parser::parser::tests::test_lexer ... ok
[INFO] [stderr]   |                                      ^^^^^^^^^
[INFO] [stdout] test parser::parser::tests::test_charclass_is_in ... ok
[INFO] [stderr]   |
[INFO] [stdout] test graph::graph::tests::ripped_graph ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test parser::parser::tests::test_lexer_class ... ok
[INFO] [stderr] 
[INFO] [stdout] test parser::parser::tests::test_lexer_in_class_ranges ... ok
[INFO] [stderr] warning: unused import: `CharClass`
[INFO] [stdout] test parser::parser::tests::test_parser ... ok
[INFO] [stderr]  --> src/automata.rs:3:33
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 |     use crate::parser::parser::{CharClass, CharCost};
[INFO] [stdout] 
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `char`
[INFO] [stderr]    --> src/parser.rs:205:34
[INFO] [stderr]     |
[INFO] [stderr] 205 | ...   (Lexeme::Builtin(char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stderr]     |                        ^^^^                                                        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 (Lexeme::Builtin(_char), ParserState::QualWithoutClass(_)) | (Lexeme::Builtin(_char), ParserState::OutOfClassWithoutQual) => {
[INFO] [stderr]     |                                  +                                                            +
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `automata`
[INFO] [stderr]   --> src/automata.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stderr]    |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_automata`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/automata.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stderr]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stderr] 
[INFO] [stderr] warning: method `compile` is never used
[INFO] [stderr]    --> src/graph.rs:116:16
[INFO] [stderr]     |
[INFO] [stderr]  26 |     impl<T> Graph<T> {
[INFO] [stderr]     |     ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 116 |         pub fn compile(self) -> Self {
[INFO] [stderr]     |                ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `set` is never used
[INFO] [stderr]   --> src/parser.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     impl Lexeme {
[INFO] [stderr]    |     ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 61 |         fn set(&mut self, new_lex: Lexeme) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/parser.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |         InClass(NodeIndex, CharClass),
[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] 147 -         InClass(NodeIndex, CharClass),
[INFO] [stderr] 147 +         InClass((), CharClass),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MatchData` is never constructed
[INFO] [stderr]  --> src/automata.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     struct MatchData {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_automata` is never used
[INFO] [stderr]   --> src/automata.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn run_automata(automata: Graph<CharCost>, code: String) -> Vec<MatchData> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `regex` (bin "regex" test) generated 10 warnings (run `cargo fix --bin "regex" -p regex --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/regex-1f208807241aed3e)
[INFO] running `Command { std: "docker" "inspect" "e85f3794292262a49697e51c87edd3aa2943d2ccecff70ecb3ae83cf16e1d1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85f3794292262a49697e51c87edd3aa2943d2ccecff70ecb3ae83cf16e1d1f2", kill_on_drop: false }`
[INFO] [stdout] e85f3794292262a49697e51c87edd3aa2943d2ccecff70ecb3ae83cf16e1d1f2
