[INFO] crate jsonrpsee 0.1.0 is already in cache
[INFO] checking jsonrpsee-0.1.0 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate jsonrpsee 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jsonrpsee 0.1.0 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate jsonrpsee 0.1.0
[INFO] finished tweaking crates.io crate jsonrpsee 0.1.0
[INFO] tweaked toml for crates.io crate jsonrpsee 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate jsonrpsee 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0747f934fa18b30766b2ed62dc24f38bc3cfd5051962f50c182e1e5161d75b96
[INFO] running `"docker" "start" "-a" "0747f934fa18b30766b2ed62dc24f38bc3cfd5051962f50c182e1e5161d75b96"`
[INFO] [stderr]     Checking futures-core v0.3.4
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[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling jsonrpsee-proc-macros v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling const-random-macro v0.1.8
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[INFO] [stderr]     Checking hyper v0.13.1
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[INFO] [stderr]     Checking jsonrpsee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `raw::client::RawClient`
[INFO] [stderr]   --> src/transport/http/client.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 | use crate::{common, raw::client::RawClient, transport::TransportClient};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `raw::client::RawClient`
[INFO] [stderr]   --> src/transport/http/client.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 | use crate::{common, raw::client::RawClient, transport::TransportClient};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uri`
[INFO] [stderr]    --> src/transport/http/server/background.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let uri = //if self.rest_api != RestApi::Disabled {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uri`
[INFO] [stderr]    --> src/transport/http/server/background.rs:161:17
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let uri = //if self.rest_api != RestApi::Disabled {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_uri`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `service_unavailable`
[INFO] [stderr]   --> src/transport/http/server/response.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn service_unavailable<T: Into<String>>(msg: T) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unsupported_content_type`
[INFO] [stderr]   --> src/transport/http/server/response.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn unsupported_content_type() -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bad_request`
[INFO] [stderr]   --> src/transport/http/server/response.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn bad_request<S: Into<String>>(msg: S) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `too_large`
[INFO] [stderr]   --> src/transport/http/server/response.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn too_large<S: Into<String>>(msg: S) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `join`
[INFO] [stderr]   --> src/transport/server/join.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn join<A, B>(left: A, right: B) -> Join<A, B> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stderr]    --> src/server_utils/hosts.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub fn update(hosts: Option<Vec<Host>>, address: &SocketAddr) -> Option<Vec<Host>> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a module
[INFO] [stderr]    --> src/lib.rs:165:1
[INFO] [stderr]     |
[INFO] [stderr] 165 | pub mod client;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn new() -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/server_utils.rs:29:9
[INFO] [stderr]     |
[INFO] [stderr] 29  | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn allow_host(mut self, host: Host) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     pub fn cors_allow_origin(mut self, allow_origin: AccessControlAllowOrigin) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn cors_max_age(mut self, max_age: u32) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     pub fn cors_allow_header(mut self, header: String) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub fn continue_on_invalid_cors(mut self, continue_on_invalid_cors: bool) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/server_utils/access_control.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     pub fn build(self) -> AccessControl {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `service_unavailable`
[INFO] [stderr]   --> src/transport/http/server/response.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn service_unavailable<T: Into<String>>(msg: T) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unsupported_content_type`
[INFO] [stderr]   --> src/transport/http/server/response.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub fn unsupported_content_type() -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bad_request`
[INFO] [stderr]   --> src/transport/http/server/response.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn bad_request<S: Into<String>>(msg: S) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `too_large`
[INFO] [stderr]   --> src/transport/http/server/response.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub fn too_large<S: Into<String>>(msg: S) -> hyper::Response<hyper::Body> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `join`
[INFO] [stderr]   --> src/transport/server/join.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn join<A, B>(left: A, right: B) -> Join<A, B> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update`
[INFO] [stderr]    --> src/server_utils/hosts.rs:188:8
[INFO] [stderr]     |
[INFO] [stderr] 188 | pub fn update(hosts: Option<Vec<Host>>, address: &SocketAddr) -> Option<Vec<Host>> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> examples/http.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn test_notif(foo: String, bar: i32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> examples/http.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn test_notif(foo: String, bar: i32);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> examples/http.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         fn system_name(foo: String, bar: i32) -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/http.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         fn system_name2() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> examples/http.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     System {
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/http.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         fn test_foo() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `system_name2`
[INFO] [stderr]   --> examples/http.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |         fn system_name2() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TestFoo`
[INFO] [stderr]   --> examples/http.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 |         fn test_foo() -> String;
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_request`
[INFO] [stderr]   --> examples/http.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     System {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test_foo`
[INFO] [stderr]   --> examples/http.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         fn test_foo() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]  --> tests/acl.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |         fn allowed(foo: bool) -> bool;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]  --> tests/acl.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Test {
[INFO] [stderr]   |     ^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `allowed`
[INFO] [stderr]  --> tests/acl.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 |         fn allowed(foo: bool) -> bool;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> examples/polkadot.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn chain_block_hash(id: Option<String>) -> Option<String>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> tests/proc-macro-generic.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         fn foo(b: B) -> T;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> tests/basic.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         fn concat(foo: String, bar: i32) -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around assigned value
[INFO] [stderr]   --> tests/basic.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         fn concat(foo: String, bar: i32) -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable while-let pattern
[INFO] [stderr]   --> examples/polkadot.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 | /         while let ev = sub.next().await {
[INFO] [stderr] 69 | |             println!("ev: {:?}", ev);
[INFO] [stderr] 70 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> examples/polkadot.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     System {
[INFO] [stderr]    |     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/polkadot.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn system_name() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> examples/polkadot.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn system_node_roles() -> Vec<String>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SystemName`
[INFO] [stderr]   --> examples/polkadot.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn system_name() -> String;
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SystemNodeRoles`
[INFO] [stderr]   --> examples/polkadot.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn system_node_roles() -> Vec<String>;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ChainBlockHash`
[INFO] [stderr]   --> examples/polkadot.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn chain_block_hash(id: Option<String>) -> Option<String>;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_request`
[INFO] [stderr]   --> examples/polkadot.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     System {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `system_node_roles`
[INFO] [stderr]   --> examples/polkadot.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn system_node_roles() -> Vec<String>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `chain_block_hash`
[INFO] [stderr]   --> examples/polkadot.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         fn chain_block_hash(id: Option<String>) -> Option<String>;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Test<T> {
[INFO] [stderr]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn foo() -> T;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Test2<B, T> {
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Foo`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn foo() -> T;
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_request`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Test<T> {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `foo`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         fn foo() -> T;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Foo`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |         fn foo(b: B) -> T;
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_request`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Test2<B, T> {
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `foo`
[INFO] [stderr]   --> tests/proc-macro-generic.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         fn foo(b: B) -> T;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> tests/basic.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Test {
[INFO] [stderr]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> tests/proc-macro-result.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Test {
[INFO] [stderr]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_method`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> tests/proc-macro-result.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn foo() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> tests/proc-macro-result.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | type Result = ();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Foo`
[INFO] [stderr]   --> tests/proc-macro-result.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn foo() -> String;
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_request`
[INFO] [stderr]   --> tests/proc-macro-result.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Test {
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `foo`
[INFO] [stderr]   --> tests/proc-macro-result.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn foo() -> String;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "0747f934fa18b30766b2ed62dc24f38bc3cfd5051962f50c182e1e5161d75b96"`
[INFO] running `"docker" "rm" "-f" "0747f934fa18b30766b2ed62dc24f38bc3cfd5051962f50c182e1e5161d75b96"`
[INFO] [stdout] 0747f934fa18b30766b2ed62dc24f38bc3cfd5051962f50c182e1e5161d75b96
