[INFO] cloning repository https://github.com/Yoimiya-Naganohara/rudis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yoimiya-Naganohara/rudis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoimiya-Naganohara%2Frudis", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4ed47d0ced3756c86ae92b4246255b8716bf41d
[INFO] testing Yoimiya-Naganohara/rudis against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYoimiya-Naganohara%2Frudis" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Yoimiya-Naganohara/rudis
[INFO] finished tweaking git repo https://github.com/Yoimiya-Naganohara/rudis
[INFO] tweaked toml for git repo https://github.com/Yoimiya-Naganohara/rudis written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Yoimiya-Naganohara/rudis 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/Yoimiya-Naganohara/rudis 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 }`
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[INFO] [stderr]    Compiling cfg-if v1.0.3
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[INFO] [stderr]    Compiling futures-channel v0.3.31
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[INFO] [stderr]    Compiling serde v1.0.219
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[INFO] [stderr]    Compiling rudis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` 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 imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_array` is never used
[INFO] [stdout]    --> src/commands/command_helper.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn format_array(elements: Vec<String>) -> Bytes {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_connections` is never read
[INFO] [stdout]  --> src/config/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub max_connections: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `load`, and `load_from_file` are never used
[INFO] [stdout]   --> src/config/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Config {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn load() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn load_from_file(&mut self, _path: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> src/data_structures/list.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisList {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, item: Bytes) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn pop(&mut self) -> Option<Bytes> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structures/sorted_set.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl RedisSortedSet {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hdel` is never used
[INFO] [stdout]   --> src/database/traits.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait HashOp {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn hdel(&self, hash: &Bytes, field: &Bytes) -> bool;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Persistence` is never constructed
[INFO] [stdout]  --> src/persistence/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Persistence {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `save`, and `load` are never used
[INFO] [stdout]   --> src/persistence/mod.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Persistence {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn save(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn load(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.25s
[INFO] running `Command { std: "docker" "inspect" "a978bdeba32b89d14a7d0fd255dd6b268b706743fd4a67b553e902e9b6248a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a978bdeba32b89d14a7d0fd255dd6b268b706743fd4a67b553e902e9b6248a0d", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 }`
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[INFO] [stderr]    Compiling proptest v1.7.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rudis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` 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 imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_array` is never used
[INFO] [stdout]    --> src/commands/command_helper.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn format_array(elements: Vec<String>) -> Bytes {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_connections` is never read
[INFO] [stdout]  --> src/config/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub max_connections: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `load`, and `load_from_file` are never used
[INFO] [stdout]   --> src/config/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Config {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn load() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn load_from_file(&mut self, _path: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> src/data_structures/list.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisList {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, item: Bytes) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn pop(&mut self) -> Option<Bytes> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structures/sorted_set.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl RedisSortedSet {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hdel` is never used
[INFO] [stdout]   --> src/database/traits.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait HashOp {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn hdel(&self, hash: &Bytes, field: &Bytes) -> bool;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Persistence` is never constructed
[INFO] [stdout]  --> src/persistence/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Persistence {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `save`, and `load` are never used
[INFO] [stdout]   --> src/persistence/mod.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Persistence {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn save(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn load(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stdout]  --> src/commands/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |         format_null, format_simple_string,
[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: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/database/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]   --> src/database/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/database/mod.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::{Duration, SystemTime};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RedisSortedSet`
[INFO] [stdout]  --> tests/unit_tests.rs:6:62
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rudis::data_structures::{RedisHash, RedisList, RedisSet, RedisSortedSet, RedisString};
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/hvals_test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stdout]  --> tests/hkeys_test.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stdout]   --> tests/hvals_test.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut db = Database::new(16);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/hkeys_test.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut db = Database::new(16);
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rs`
[INFO] [stdout]   --> tests/unit_tests.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let rs = RedisString::new(Bytes::from("hello"));
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_rs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/unit_tests.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stdout]    --> tests/unit_tests.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut db = Database::new(16);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/unit_tests.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let mut db = Database::new(16);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/unit_tests.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |     let mut db = Database::new(16);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/unit_tests.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let mut db = Database::new(16);
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` 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 `format_array` is never used
[INFO] [stdout]    --> src/commands/command_helper.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn format_array(elements: Vec<String>) -> Bytes {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_connections` is never read
[INFO] [stdout]  --> src/config/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     pub max_connections: usize,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `load`, and `load_from_file` are never used
[INFO] [stdout]   --> src/config/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Config {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn load() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn load_from_file(&mut self, _path: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push` and `pop` are never used
[INFO] [stdout]   --> src/data_structures/list.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisList {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn push(&mut self, item: Bytes) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn pop(&mut self) -> Option<Bytes> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structures/sorted_set.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl RedisSortedSet {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parse` is never used
[INFO] [stdout]   --> src/data_structures/string.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RedisString {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SortedSet` is never constructed
[INFO] [stdout]   --> src/database/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum RedisValue {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     SortedSet(RedisSortedSet),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RedisValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `hdel` is never used
[INFO] [stdout]   --> src/database/traits.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait HashOp {
[INFO] [stdout]    |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn hdel(&self, hash: &Bytes, field: &Bytes) -> bool;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Persistence` is never constructed
[INFO] [stdout]  --> src/persistence/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Persistence {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `save`, and `load` are never used
[INFO] [stdout]   --> src/persistence/mod.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Persistence {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn save(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn load(&self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.02s
[INFO] running `Command { std: "docker" "inspect" "bc0e3b78dfef537ed1b5640b08528eb0f974e204ad5830ed33b8abec6b7d4eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc0e3b78dfef537ed1b5640b08528eb0f974e204ad5830ed33b8abec6b7d4eb0", kill_on_drop: false }`
[INFO] [stdout] bc0e3b78dfef537ed1b5640b08528eb0f974e204ad5830ed33b8abec6b7d4eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6c33ed30e6c9dc792568abe9cc2824dee0c66830069c296b600f973ac334d92d
[INFO] running `Command { std: "docker" "start" "-a" "6c33ed30e6c9dc792568abe9cc2824dee0c66830069c296b600f973ac334d92d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `format_array_bytes`, `format_bulk_string`, `format_error`, `format_hash_response`, `format_integer`, `format_null`, and `format_simple_string`
[INFO] [stderr]  --> src/commands/mod.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |         format_array_bytes, format_bulk_string, format_error, format_hash_response, format_integer,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 7 |         format_null, format_simple_string,
[INFO] [stderr]   |         ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/database/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]   --> src/database/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::collections::HashSet;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/database/mod.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::time::{Duration, SystemTime};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `parse` is never used
[INFO] [stderr]   --> src/data_structures/string.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl RedisString {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SortedSet` is never constructed
[INFO] [stderr]   --> src/database/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub(crate) enum RedisValue {
[INFO] [stderr]    |                 ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 23 |     SortedSet(RedisSortedSet),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RedisValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rudis` (lib) generated 6 warnings (run `cargo fix --lib -p rudis` to apply 4 suggestions)
[INFO] [stderr] warning: `rudis` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/hvals_test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stderr]   --> tests/hvals_test.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut db = Database::new(16);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `format_array` is never used
[INFO] [stderr]    --> src/commands/command_helper.rs:192:8
[INFO] [stderr]     |
[INFO] [stderr] 192 | pub fn format_array(elements: Vec<String>) -> Bytes {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `max_connections` is never read
[INFO] [stderr]  --> src/config/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Config {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 7 |     pub max_connections: usize,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `load`, and `load_from_file` are never used
[INFO] [stderr]   --> src/config/mod.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Config {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 23 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn load() -> Self {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn load_from_file(&mut self, _path: &str) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `push` and `pop` are never used
[INFO] [stderr]   --> src/data_structures/list.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl RedisList {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub fn push(&mut self, item: Bytes) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn pop(&mut self) -> Option<Bytes> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/data_structures/sorted_set.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl RedisSortedSet {
[INFO] [stderr]    | ------------------- associated function in this implementation
[INFO] [stderr] 31 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `parse` is never used
[INFO] [stderr]   --> src/data_structures/string.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl RedisString {
[INFO] [stderr]    | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub(crate) fn parse<F: FromStr>(&self) -> Result<F, ()> {
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `hdel` is never used
[INFO] [stderr]   --> src/database/traits.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub trait HashOp {
[INFO] [stderr]    |           ------ method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 22 |     fn hdel(&self, hash: &Bytes, field: &Bytes) -> bool;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Persistence` is never constructed
[INFO] [stderr]  --> src/persistence/mod.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Persistence {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `save`, and `load` are never used
[INFO] [stderr]   --> src/persistence/mod.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Persistence {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr]  9 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub fn save(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn load(&self) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> tests/hkeys_test.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stderr]   --> tests/hkeys_test.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut db = Database::new(16);
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stdout] 
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `RedisSortedSet`
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]  --> tests/unit_tests.rs:6:62
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 6 | use rudis::data_structures::{RedisHash, RedisList, RedisSet, RedisSortedSet, RedisString};
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rs`
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> tests/unit_tests.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let rs = RedisString::new(Bytes::from("hello"));
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_rs`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/unit_tests.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut db = Database::new(16);
[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: variable does not need to be mutable
[INFO] [stderr]    --> tests/unit_tests.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 |     let mut db = Database::new(16);
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/unit_tests.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let mut db = Database::new(16);
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/unit_tests.rs:252:9
[INFO] [stderr]     |
[INFO] [stderr] 252 |     let mut db = Database::new(16);
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> tests/unit_tests.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |     let mut db = Database::new(16);
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `rudis` (test "hvals_test") generated 2 warnings (run `cargo fix --test "hvals_test" -p rudis` to apply 2 suggestions)
[INFO] [stderr] warning: `rudis` (bin "rudis") generated 14 warnings (5 duplicates)
[INFO] [stderr] warning: `rudis` (test "hkeys_test") generated 2 warnings (run `cargo fix --test "hkeys_test" -p rudis` to apply 2 suggestions)
[INFO] [stderr] warning: `rudis` (bin "rudis" test) generated 14 warnings (14 duplicates)
[INFO] [stderr] warning: `rudis` (test "unit_tests") generated 7 warnings (run `cargo fix --test "unit_tests" -p rudis` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rudis-9f07574d023e6f0f)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rudis-4aa83e3777f6f26a)
[INFO] [stderr]      Running tests/hdel_test.rs (/opt/rustwide/target/debug/deps/hdel_test-a6a65644c292a25c)
[INFO] [stdout] test test_hdel_nonexistent_hash ... ok
[INFO] [stdout] test test_hdel_wrong_type ... ok
[INFO] [stdout] test test_hdel_multiple_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hkeys_test.rs (/opt/rustwide/target/debug/deps/hkeys_test-f605f8612942da83)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/hvals_test.rs (/opt/rustwide/target/debug/deps/hvals_test-4212cebd658b848c)
[INFO] [stdout] test test_hkeys_functionality ... ok
[INFO] [stdout] test test_hkeys_type_error ... 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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_hvals_functionality ... ok
[INFO] [stdout] test test_hvals_type_error ... 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 tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-b2aaa9f6182633f5)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_invalid_commands_integration ... ok
[INFO] [stdout] test test_error_handling_integration ... ok
[INFO] [stdout] test test_string_operations_integration ... ok
[INFO] [stdout] test test_complex_sequence_integration ... ok
[INFO] [stdout] test test_del_operations_integration ... ok
[INFO] [stdout] test test_ping_variations_integration ... ok
[INFO] [stdout] test test_multiple_operations_integration ... ok
[INFO] [stdout] test test_command_parsing_and_execution_integration ... ok
[INFO] [stdout] test test_type_conflicts_integration ... ok
[INFO] [stdout] test test_hash_comprehensive_integration ... ok
[INFO] [stdout] test test_numeric_operations_integration ... ok
[INFO] [stdout] test test_hash_operations_integration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unit_tests.rs (/opt/rustwide/target/debug/deps/unit_tests-3f243349f6de1a39)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test_database_hash_operations ... ok
[INFO] [stdout] test test_database_edge_cases ... ok
[INFO] [stdout] test test_redis_hash_operations ... ok
[INFO] [stdout] test test_redis_list_operations ... ok
[INFO] [stdout] test test_redis_set_operations ... ok
[INFO] [stdout] test test_database_type_conflicts ... ok
[INFO] [stdout] test test_redis_string_operations ... ok
[INFO] [stdout] test test_database_set_operations ... ok
[INFO] [stdout] test test_database_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rudis
[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] running `Command { std: "docker" "inspect" "6c33ed30e6c9dc792568abe9cc2824dee0c66830069c296b600f973ac334d92d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c33ed30e6c9dc792568abe9cc2824dee0c66830069c296b600f973ac334d92d", kill_on_drop: false }`
[INFO] [stdout] 6c33ed30e6c9dc792568abe9cc2824dee0c66830069c296b600f973ac334d92d
