[INFO] fetching crate eureka-client 0.0.4...
[INFO] testing eureka-client-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate eureka-client 0.0.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate eureka-client 0.0.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eureka-client 0.0.4
[INFO] finished tweaking crates.io crate eureka-client 0.0.4
[INFO] tweaked toml for crates.io crate eureka-client 0.0.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5986b9853424188b59702ee9e316d9cc7392bb9505287c03f719db233e1e8315
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5986b9853424188b59702ee9e316d9cc7392bb9505287c03f719db233e1e8315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5986b9853424188b59702ee9e316d9cc7392bb9505287c03f719db233e1e8315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5986b9853424188b59702ee9e316d9cc7392bb9505287c03f719db233e1e8315", kill_on_drop: false }`
[INFO] [stdout] 5986b9853424188b59702ee9e316d9cc7392bb9505287c03f719db233e1e8315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf199354a79fdd200e4ba1f9d5ae309640d5190a96ab4346e82c767f565c0ff3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf199354a79fdd200e4ba1f9d5ae309640d5190a96ab4346e82c767f565c0ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling eureka-client v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |                         path.trim_left_matches('/')
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_url`
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `EurekaClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_encode`
[INFO] [stdout]    --> src/lib.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn query_encode(value: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/aws.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     client: Client,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]  --> src/aws.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     host: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/aws.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_metadata`
[INFO] [stdout]   --> src/aws.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_metadata(&self) -> HashMap<&'static str, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_metadata_key`
[INFO] [stdout]   --> src/aws.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn lookup_metadata_key(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_instance_identity`
[INFO] [stdout]   --> src/aws.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn lookup_instance_identity(&self) -> Option<HashMap<String, Value>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_service_urls`
[INFO] [stdout]   --> src/resolver.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn build_service_urls(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_cluster`
[INFO] [stdout]   --> src/resolver.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_current_cluster(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_cluster_refresh`
[INFO] [stdout]   --> src/resolver.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn start_cluster_refresh(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_cluster_hosts`
[INFO] [stdout]   --> src/resolver.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn resolve_cluster_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_zone_hosts`
[INFO] [stdout]   --> src/resolver.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn resolve_zone_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_availability_zones`
[INFO] [stdout]   --> src/resolver.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_availability_zones(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_app`
[INFO] [stdout]    --> src/rest/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_instances_by_app(&self, app_id: &str) -> Result<Vec<Instance>, EurekaError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instance_by_app_and_instance`
[INFO] [stdout]    --> src/rest/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn get_instance_by_app_and_instance(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_metadata`
[INFO] [stdout]    --> src/rest/mod.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn update_metadata(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_vip_address`
[INFO] [stdout]    --> src/rest/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn get_instances_by_vip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_svip_address`
[INFO] [stdout]    --> src/rest/mod.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn get_instances_by_svip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.37s
[INFO] running `Command { std: "docker" "inspect" "bf199354a79fdd200e4ba1f9d5ae309640d5190a96ab4346e82c767f565c0ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf199354a79fdd200e4ba1f9d5ae309640d5190a96ab4346e82c767f565c0ff3", kill_on_drop: false }`
[INFO] [stdout] bf199354a79fdd200e4ba1f9d5ae309640d5190a96ab4346e82c767f565c0ff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85cce6a40ee4172b8c5756948e96034ae73b2e8c4a85d712042a24b4d5c9db6f
[INFO] running `Command { std: "docker" "start" "-a" "85cce6a40ee4172b8c5756948e96034ae73b2e8c4a85d712042a24b4d5c9db6f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |                         path.trim_left_matches('/')
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling eureka-client v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_url`
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `EurekaClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_encode`
[INFO] [stdout]    --> src/lib.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn query_encode(value: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/aws.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     client: Client,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]  --> src/aws.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     host: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/aws.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_metadata`
[INFO] [stdout]   --> src/aws.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_metadata(&self) -> HashMap<&'static str, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_metadata_key`
[INFO] [stdout]   --> src/aws.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn lookup_metadata_key(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_instance_identity`
[INFO] [stdout]   --> src/aws.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn lookup_instance_identity(&self) -> Option<HashMap<String, Value>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_service_urls`
[INFO] [stdout]   --> src/resolver.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn build_service_urls(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_cluster`
[INFO] [stdout]   --> src/resolver.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_current_cluster(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_cluster_refresh`
[INFO] [stdout]   --> src/resolver.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn start_cluster_refresh(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_cluster_hosts`
[INFO] [stdout]   --> src/resolver.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn resolve_cluster_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_zone_hosts`
[INFO] [stdout]   --> src/resolver.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn resolve_zone_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_availability_zones`
[INFO] [stdout]   --> src/resolver.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_availability_zones(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_app`
[INFO] [stdout]    --> src/rest/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_instances_by_app(&self, app_id: &str) -> Result<Vec<Instance>, EurekaError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instance_by_app_and_instance`
[INFO] [stdout]    --> src/rest/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn get_instance_by_app_and_instance(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_metadata`
[INFO] [stdout]    --> src/rest/mod.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn update_metadata(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_vip_address`
[INFO] [stdout]    --> src/rest/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn get_instances_by_vip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_svip_address`
[INFO] [stdout]    --> src/rest/mod.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn get_instances_by_svip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stdout]    --> src/lib.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |                         path.trim_left_matches('/')
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]   --> src/resolver.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `retry_attempts`
[INFO] [stdout]   --> src/resolver.rs:59:34
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `base_url`
[INFO] [stdout]   --> src/lib.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     base_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `EurekaClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lib.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `query_encode`
[INFO] [stdout]    --> src/lib.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn query_encode(value: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `client`
[INFO] [stdout]  --> src/aws.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     client: Client,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]  --> src/aws.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     host: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/aws.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/aws.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_metadata`
[INFO] [stdout]   --> src/aws.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_metadata(&self) -> HashMap<&'static str, String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_metadata_key`
[INFO] [stdout]   --> src/aws.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn lookup_metadata_key(&self, key: &str) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_instance_identity`
[INFO] [stdout]   --> src/aws.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn lookup_instance_identity(&self) -> Option<HashMap<String, Value>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `build_service_urls`
[INFO] [stdout]   --> src/resolver.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn build_service_urls(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/resolver.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_current_cluster`
[INFO] [stdout]   --> src/resolver.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn get_current_cluster(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start_cluster_refresh`
[INFO] [stdout]   --> src/resolver.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn start_cluster_refresh(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_cluster_hosts`
[INFO] [stdout]   --> src/resolver.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn resolve_cluster_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_zone_hosts`
[INFO] [stdout]   --> src/resolver.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn resolve_zone_hosts(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_availability_zones`
[INFO] [stdout]   --> src/resolver.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_availability_zones(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_app`
[INFO] [stdout]    --> src/rest/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn get_instances_by_app(&self, app_id: &str) -> Result<Vec<Instance>, EurekaError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instance_by_app_and_instance`
[INFO] [stdout]    --> src/rest/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn get_instance_by_app_and_instance(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_metadata`
[INFO] [stdout]    --> src/rest/mod.rs:201:12
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn update_metadata(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_vip_address`
[INFO] [stdout]    --> src/rest/mod.rs:232:12
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn get_instances_by_vip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instances_by_svip_address`
[INFO] [stdout]    --> src/rest/mod.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn get_instances_by_svip_address(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "85cce6a40ee4172b8c5756948e96034ae73b2e8c4a85d712042a24b4d5c9db6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85cce6a40ee4172b8c5756948e96034ae73b2e8c4a85d712042a24b4d5c9db6f", kill_on_drop: false }`
[INFO] [stdout] 85cce6a40ee4172b8c5756948e96034ae73b2e8c4a85d712042a24b4d5c9db6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 840ebe0afbd1bc494576934d9d5eae86d7e442f739d687f368ac5260a650e91f
[INFO] running `Command { std: "docker" "start" "-a" "840ebe0afbd1bc494576934d9d5eae86d7e442f739d687f368ac5260a650e91f", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_left_matches`: superseded by `trim_start_matches`
[INFO] [stderr]    --> src/lib.rs:169:30
[INFO] [stderr]     |
[INFO] [stderr] 169 |                         path.trim_left_matches('/')
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/resolver.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `retry_attempts`
[INFO] [stderr]   --> src/resolver.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/resolver.rs:33:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `retry_attempts`
[INFO] [stderr]   --> src/resolver.rs:59:34
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn resolve_eureka_url(&self, retry_attempts: usize) {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_retry_attempts`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `base_url`
[INFO] [stderr]   --> src/lib.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     base_url: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `EurekaClient` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/lib.rs:96:10
[INFO] [stderr]    |
[INFO] [stderr] 96 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `query_encode`
[INFO] [stderr]    --> src/lib.rs:189:4
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn query_encode(value: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `client`
[INFO] [stderr]  --> src/aws.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     client: Client,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/aws.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `host`
[INFO] [stderr]  --> src/aws.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     host: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `AwsMetadata` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/aws.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/aws.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_metadata`
[INFO] [stderr]   --> src/aws.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn fetch_metadata(&self) -> HashMap<&'static str, String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_metadata_key`
[INFO] [stderr]   --> src/aws.rs:61:8
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn lookup_metadata_key(&self, key: &str) -> Option<String> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lookup_instance_identity`
[INFO] [stderr]   --> src/aws.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn lookup_instance_identity(&self) -> Option<HashMap<String, Value>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/resolver.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build_service_urls`
[INFO] [stderr]   --> src/resolver.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn build_service_urls(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/resolver.rs:33:12
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(config: &HashMap<String, Value>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_current_cluster`
[INFO] [stderr]   --> src/resolver.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_current_cluster(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start_cluster_refresh`
[INFO] [stderr]   --> src/resolver.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn start_cluster_refresh(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resolve_cluster_hosts`
[INFO] [stderr]   --> src/resolver.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn resolve_cluster_hosts(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resolve_zone_hosts`
[INFO] [stderr]   --> src/resolver.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn resolve_zone_hosts(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_availability_zones`
[INFO] [stderr]   --> src/resolver.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn get_availability_zones(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_instances_by_app`
[INFO] [stderr]    --> src/rest/mod.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn get_instances_by_app(&self, app_id: &str) -> Result<Vec<Instance>, EurekaError> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_instance_by_app_and_instance`
[INFO] [stderr]    --> src/rest/mod.rs:137:12
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn get_instance_by_app_and_instance(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `update_metadata`
[INFO] [stderr]    --> src/rest/mod.rs:201:12
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn update_metadata(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_instances_by_vip_address`
[INFO] [stderr]    --> src/rest/mod.rs:232:12
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn get_instances_by_vip_address(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_instances_by_svip_address`
[INFO] [stderr]    --> src/rest/mod.rs:267:12
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn get_instances_by_svip_address(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `eureka-client` (lib) generated 26 warnings
[INFO] [stderr] warning: `eureka-client` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eureka_client-cdc73e6862a10d76)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests eureka-client
[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] [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" "840ebe0afbd1bc494576934d9d5eae86d7e442f739d687f368ac5260a650e91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840ebe0afbd1bc494576934d9d5eae86d7e442f739d687f368ac5260a650e91f", kill_on_drop: false }`
[INFO] [stdout] 840ebe0afbd1bc494576934d9d5eae86d7e442f739d687f368ac5260a650e91f