[INFO] cloning repository https://github.com/uds5501/chrrrrrr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uds5501/chrrrrrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuds5501%2Fchrrrrrr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuds5501%2Fchrrrrrr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47166e243164a26217e180f4fe73574001db2e94
[INFO] checking uds5501/chrrrrrr against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuds5501%2Fchrrrrrr" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uds5501/chrrrrrr
[INFO] finished tweaking git repo https://github.com/uds5501/chrrrrrr
[INFO] tweaked toml for git repo https://github.com/uds5501/chrrrrrr written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uds5501/chrrrrrr on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uds5501/chrrrrrr 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] [stderr]   Downloaded mockall v0.12.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c61defea664e49ad47a00e360880c66ede58cc64e97cd25a13dc5eaab628d7b9
[INFO] running `Command { std: "docker" "start" "-a" "c61defea664e49ad47a00e360880c66ede58cc64e97cd25a13dc5eaab628d7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c61defea664e49ad47a00e360880c66ede58cc64e97cd25a13dc5eaab628d7b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61defea664e49ad47a00e360880c66ede58cc64e97cd25a13dc5eaab628d7b9", kill_on_drop: false }`
[INFO] [stdout] c61defea664e49ad47a00e360880c66ede58cc64e97cd25a13dc5eaab628d7b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f15f322671e02e6b59ed38a44ba92e40ebd0fc39f85e68c393563cc7b65e45
[INFO] running `Command { std: "docker" "start" "-a" "d9f15f322671e02e6b59ed38a44ba92e40ebd0fc39f85e68c393563cc7b65e45", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling async-io v1.13.0
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[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking fastrand v1.9.0
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[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
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[INFO] [stderr]     Checking waker-fn v1.1.1
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling ena v0.14.2
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[INFO] [stderr]    Compiling mime_guess v2.0.4
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[INFO] [stderr]    Compiling walkdir v2.5.0
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[INFO] [stderr]    Compiling multer v2.1.0
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[INFO] [stderr]    Compiling async-trait v0.1.78
[INFO] [stderr]    Compiling unicode-xid v0.2.4
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[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking lalrpop-util v0.20.2
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking similar v2.4.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking polling v3.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling mockall_derive v0.12.1
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking mockall v0.12.1
[INFO] [stderr]     Checking async-object-pool v0.1.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking h2 v0.3.25
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]    Compiling basic-cookies v0.1.5
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking warp v0.3.6
[INFO] [stderr]     Checking httpmock v0.7.0
[INFO] [stderr]     Checking reqwest v0.11.26
[INFO] [stderr]     Checking chrrrrrr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server/node_server.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut node = Node::new();
[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: unused variable: `server_task`
[INFO] [stdout]    --> src/server/node_server.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let server_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_task`
[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]    --> src/server/node_server.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut node = Node::new();
[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: unused variable: `server_task`
[INFO] [stdout]    --> src/server/node_server.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 |     let server_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_task`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_task`
[INFO] [stdout]    --> src/server/allocater_server.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let server_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_task`
[INFO] [stdout]    --> src/server/allocater_server.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |     let server_task = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/server/node_server.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl InsertResponse {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new(success: bool, message: String) -> 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: associated function `new` is never used
[INFO] [stdout]   --> src/server/allocater_server.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl AllocatorInsertRequest {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(k: String, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_success` and `new` are never used
[INFO] [stdout]   --> src/server/allocater_server.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl GenericResponse {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 51 |     pub fn is_success(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn new(success: bool, message: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_success`, `get_value`, and `get_msg` are never used
[INFO] [stdout]   --> src/server/allocater_server.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl AllocatorGetResponse {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] 68 |     pub fn is_success(&self) -> bool { self.success }
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 69 |     pub fn get_value(&self) -> String { self.value.clone() }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 70 |     pub fn get_msg(&self) -> String { self.message.clone() }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `de_register_node`, `get_acquired_slots`, `get_total_nodes`, and `get_slot_node_map` are never used
[INFO] [stdout]    --> src/core/allocator.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub trait RegistrationInteractions {
[INFO] [stdout]     |           ------------------------ methods in this trait
[INFO] [stdout] 114 |     async fn register_node(&self, node: NodeClient) -> Result<bool, Box<dyn Error>>;
[INFO] [stdout] 115 |     async fn de_register_node(&self, node: NodeClient) -> Result<bool, Box<dyn Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 116 |     async fn get_acquired_slots(&self) -> Result<Vec<u32>, Box<dyn Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 117 |     async fn get_total_nodes(&self) -> Result<u32, Box<dyn Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |     async fn get_slot_node_map(&self) -> Result<HashMap<u32, NodeClient>, Box<dyn Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `total_keys` is never used
[INFO] [stdout]   --> src/core/node.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn total_keys(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyNodeListError` is never constructed
[INFO] [stdout]  --> src/errors/empty_node_list_error.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct EmptyNodeListError;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `produce_error` is never used
[INFO] [stdout]   --> src/errors/empty_node_list_error.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn produce_error() -> Result<(), EmptyNodeListError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `migrate_mock`
[INFO] [stdout]    --> src/core/allocator.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |         let migrate_mock = server.mock(|when, then| {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_migrate_mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert_mock`
[INFO] [stdout]    --> src/core/allocator.rs:485:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let insert_mock = server.mock(|when, then| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert_mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `migrate_mock`
[INFO] [stdout]    --> src/core/allocator.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 |         let migrate_mock = server.mock(|when, then| {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_migrate_mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `insert_mock`
[INFO] [stdout]    --> src/core/allocator.rs:545:13
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let insert_mock = server.mock(|when, then| {
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_insert_mock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/node.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut node = Node::new();
[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]    --> src/core/node.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut node = Node::new();
[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]    --> src/core/node.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut node = Node::new();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/server/node_server.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl InsertResponse {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new(success: bool, message: String) -> 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: associated function `new` is never used
[INFO] [stdout]   --> src/server/allocater_server.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl AllocatorInsertRequest {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 22 |     pub fn new(k: String, v: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_success` and `new` are never used
[INFO] [stdout]   --> src/server/allocater_server.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl GenericResponse {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 51 |     pub fn is_success(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn new(success: bool, message: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_success`, `get_value`, and `get_msg` are never used
[INFO] [stdout]   --> src/server/allocater_server.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl AllocatorGetResponse {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] 68 |     pub fn is_success(&self) -> bool { self.success }
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 69 |     pub fn get_value(&self) -> String { self.value.clone() }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 70 |     pub fn get_msg(&self) -> String { self.message.clone() }
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `de_register_node` is never used
[INFO] [stdout]    --> src/core/allocator.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub trait RegistrationInteractions {
[INFO] [stdout]     |           ------------------------ method in this trait
[INFO] [stdout] 114 |     async fn register_node(&self, node: NodeClient) -> Result<bool, Box<dyn Error>>;
[INFO] [stdout] 115 |     async fn de_register_node(&self, node: NodeClient) -> Result<bool, Box<dyn Error>>;
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyNodeListError` is never constructed
[INFO] [stdout]  --> src/errors/empty_node_list_error.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct EmptyNodeListError;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `produce_error` is never used
[INFO] [stdout]   --> src/errors/empty_node_list_error.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn produce_error() -> Result<(), EmptyNodeListError> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/core/node.rs:177:17
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 &expected_hm.insert(k.clone(), v.clone());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let _ = &expected_hm.insert(k.clone(), v.clone());
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/core/node.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 179 |             &node.insert_key(k, v);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 179 |             let _ = &node.insert_key(k, v);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "d9f15f322671e02e6b59ed38a44ba92e40ebd0fc39f85e68c393563cc7b65e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f15f322671e02e6b59ed38a44ba92e40ebd0fc39f85e68c393563cc7b65e45", kill_on_drop: false }`
[INFO] [stdout] d9f15f322671e02e6b59ed38a44ba92e40ebd0fc39f85e68c393563cc7b65e45
