[INFO] cloning repository https://github.com/keyqcloud/cgdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keyqcloud/cgdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyqcloud%2Fcgdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyqcloud%2Fcgdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51c36c8a177978745b569a346dac544bd89747e5
[INFO] checking keyqcloud/cgdb against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyqcloud%2Fcgdb" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/keyqcloud/cgdb
[INFO] finished tweaking git repo https://github.com/keyqcloud/cgdb
[INFO] tweaked toml for git repo https://github.com/keyqcloud/cgdb written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keyqcloud/cgdb on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/keyqcloud/cgdb 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec9b5adc0e9bc9ce67b3ec18c847b8484381122d48d67666ffc8a3446955905a
[INFO] running `Command { std: "docker" "start" "-a" "ec9b5adc0e9bc9ce67b3ec18c847b8484381122d48d67666ffc8a3446955905a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9b5adc0e9bc9ce67b3ec18c847b8484381122d48d67666ffc8a3446955905a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9b5adc0e9bc9ce67b3ec18c847b8484381122d48d67666ffc8a3446955905a", kill_on_drop: false }`
[INFO] [stdout] ec9b5adc0e9bc9ce67b3ec18c847b8484381122d48d67666ffc8a3446955905a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe13e820a91646c73901bc62fb4854d3e8adf0d04d6468a4f53048ad426dd0b
[INFO] running `Command { std: "docker" "start" "-a" "6fe13e820a91646c73901bc62fb4854d3e8adf0d04d6468a4f53048ad426dd0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking hyper v0.14.29
[INFO] [stderr]     Checking cgdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::runtime`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::runtime;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/services/context_service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::runtime`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::runtime;
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/services/context_service.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/services/context_service.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let Some(context) = self.schema.get_context(context_id) {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/services/context_service.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |         if let Some(context) = self.schema.get_context(context_id) {
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `properties` are never read
[INFO] [stdout]  --> src/database/node.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub id: u32,
[INFO] [stdout] 4 |     pub label: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |     pub properties: std::collections::HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/database/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `properties` are never read
[INFO] [stdout]  --> src/database/edge.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Edge {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub label: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub properties: std::collections::HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/database/edge.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Edge {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `properties` are never read
[INFO] [stdout]  --> src/models/context.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Context {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub id: u32,
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub properties: HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/models/context.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]  --> src/api/query.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Database {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/api/query.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Database {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn add_node(&mut self, node: Node) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_edge(&mut self, edge: Edge) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_node(&self, id: u32) -> Option<&Node> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn get_edge(&self, from: u32, to: u32) -> Option<&Edge> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn query_nodes_by_property(&self, key: &str, value: &str) -> Vec<&Node> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn query_edges_by_property(&self, key: &str, value: &str) -> Vec<&Edge> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config/config.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Config {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/config/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Config {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(database_url: &str, max_connections: u32, timeout: u32) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `properties` are never read
[INFO] [stdout]  --> src/database/node.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Node {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     pub id: u32,
[INFO] [stdout] 4 |     pub label: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 5 |     pub properties: std::collections::HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/database/node.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label` and `properties` are never read
[INFO] [stdout]  --> src/database/edge.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Edge {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     pub label: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub properties: std::collections::HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Edge` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/database/edge.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Edge {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `properties` are never read
[INFO] [stdout]  --> src/models/context.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Context {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub id: u32,
[INFO] [stdout] 6 |     pub name: String,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub properties: HashMap<String, String>,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Context` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_property` and `get_property` are never used
[INFO] [stdout]   --> src/models/context.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn add_property(&mut self, key: &str, value: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get_property(&self, key: &str) -> Option<&String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Database` is never constructed
[INFO] [stdout]  --> src/api/query.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Database {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/api/query.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Database {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn add_node(&mut self, node: Node) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn add_edge(&mut self, edge: Edge) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn get_node(&self, id: u32) -> Option<&Node> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn get_edge(&self, from: u32, to: u32) -> Option<&Edge> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn query_nodes_by_property(&self, key: &str, value: &str) -> Vec<&Node> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn query_edges_by_property(&self, key: &str, value: &str) -> Vec<&Edge> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config/config.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Config {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/config/config.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Config {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(database_url: &str, max_connections: u32, timeout: u32) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.30s
[INFO] running `Command { std: "docker" "inspect" "6fe13e820a91646c73901bc62fb4854d3e8adf0d04d6468a4f53048ad426dd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe13e820a91646c73901bc62fb4854d3e8adf0d04d6468a4f53048ad426dd0b", kill_on_drop: false }`
[INFO] [stdout] 6fe13e820a91646c73901bc62fb4854d3e8adf0d04d6468a4f53048ad426dd0b
