[INFO] fetching crate throttled_json_rpc 0.0.6...
[INFO] testing throttled_json_rpc-0.0.6 against 1.90.0 for beta-1.91-3
[INFO] extracting crate throttled_json_rpc 0.0.6 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate throttled_json_rpc 0.0.6
[INFO] finished tweaking crates.io crate throttled_json_rpc 0.0.6
[INFO] tweaked toml for crates.io crate throttled_json_rpc 0.0.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate throttled_json_rpc 0.0.6 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 189 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.23)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "4af8db9025bfe1fee9dc0c409894994a5424bb0cc0b3f37ad4e308a30d454155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af8db9025bfe1fee9dc0c409894994a5424bb0cc0b3f37ad4e308a30d454155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af8db9025bfe1fee9dc0c409894994a5424bb0cc0b3f37ad4e308a30d454155", kill_on_drop: false }`
[INFO] [stdout] 4af8db9025bfe1fee9dc0c409894994a5424bb0cc0b3f37ad4e308a30d454155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc9b2ea4adbc621e338be087e3c7de26c21efdd7bff012c6fda1948439b68ba
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[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Stuff` is never used
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Stuff = String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "adc9b2ea4adbc621e338be087e3c7de26c21efdd7bff012c6fda1948439b68ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc9b2ea4adbc621e338be087e3c7de26c21efdd7bff012c6fda1948439b68ba", kill_on_drop: false }`
[INFO] [stdout] adc9b2ea4adbc621e338be087e3c7de26c21efdd7bff012c6fda1948439b68ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a2d380f7cf7ee7b1ccad8f8548ebe96a9ceb98f0a389b67cf428c36b9ec073
[INFO] running `Command { std: "docker" "start" "-a" "a1a2d380f7cf7ee7b1ccad8f8548ebe96a9ceb98f0a389b67cf428c36b9ec073", kill_on_drop: false }`
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[INFO] [stdout] warning: type alias `Stuff` is never used
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Stuff = String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Stuff` is never used
[INFO] [stdout]  --> src/lib.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Stuff = String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `params_cleanse` is never used
[INFO] [stdout]   --> src/macros.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |           fn params_cleanse(value: serde_json::Value) -> serde_json::Value {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RpcResponse` is never constructed
[INFO] [stdout]   --> src/macros.rs:52:16
[INFO] [stdout]    |
[INFO] [stdout] 52 |           struct RpcResponse<T> {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RpcRequestSer` is never constructed
[INFO] [stdout]   --> src/macros.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |           struct RpcRequestSer<'a, T> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RpcRequest` is never constructed
[INFO] [stdout]   --> src/macros.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |           struct RpcRequest<T> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `polymorphize` and `as_ser` are never used
[INFO] [stdout]   --> src/macros.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         impl<T> RpcRequest<T>
[INFO] [stdout] 72 | |         where T: Serialize {
[INFO] [stdout]    | |__________________________- methods in this implementation
[INFO] [stdout] 73 |               pub fn polymorphize(self) -> RpcRequest<serde_json::Value> {
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |               pub fn as_ser(&self, id: usize) -> RpcRequestSer<T> {
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReqBatcher` is never constructed
[INFO] [stdout]    --> src/macros.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |           pub struct ReqBatcher<T, U: for<'de> Deserialize<'de>> {
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatcherPair` is never constructed
[INFO] [stdout]    --> src/macros.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |           pub struct BatcherPair<'a, T: for<'de> Deserialize<'de>>(&'a $struct_name, ReqBatcher<$struct_name, T>);
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_req` is never used
[INFO] [stdout]    --> src/macros.rs:129:16
[INFO] [stdout]     |
[INFO] [stdout] 125 | /         impl<'a, T> BatcherPair<'a, T>
[INFO] [stdout] 126 | |         where
[INFO] [stdout] 127 | |             T: for<'de> Deserialize<'de>
[INFO] [stdout]     | |________________________________________- method in this implementation
[INFO] [stdout] 128 |           {
[INFO] [stdout] 129 |               fn add_req<U: Serialize>(&mut self, method: &'static str, params: U) -> Result<usize, Error> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BatchRequest` is never used
[INFO] [stdout]    --> src/macros.rs:143:19
[INFO] [stdout]     |
[INFO] [stdout] 143 |           pub trait BatchRequest<$struct_name, T: for<'de> Deserialize<'de>> {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RpcClient` is never constructed
[INFO] [stdout]  --> src/lib.rs:8:32
[INFO] [stdout]   |
[INFO] [stdout] 8 |     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `batcher`, `call_method`, `dispatch`, `a`, and `b` are never used
[INFO] [stdout]    --> src/lib.rs:10:20
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]     | |                    ^
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]     | |                    ^
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/macros.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |   ...   impl $struct_name {
[INFO] [stdout]     |         ----------------- associated items in this implementation
[INFO] [stdout] 233 |   ...       pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) ...
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |   ...       pub fn batcher<'a, T: for<'de> Deserialize<'de>>(&'a self) -> BatcherPair<'a, T> {
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |   ...       fn call_method<T: Serialize>(&self, method: &'static str, params: T) -> Result<String, Error> {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 265 |   ...       fn dispatch<T: Serialize>(&self, data: &T) -> Result<rq::Response, Error> {
[INFO] [stdout]     |                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `b` is never used
[INFO] [stdout]   --> src/lib.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]    |                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `A` and `B` are never used
[INFO] [stdout]    --> src/lib.rs:12:39
[INFO] [stdout]     |
[INFO] [stdout]  12 |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]     |                                       ^        ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/macros.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     impl $method_b {
[INFO] [stdout]     |                     -------------- methods in this implementation
[INFO] [stdout]     |
[INFO] [stdout] note: it is impossible to refer to the method `A` because it is shadowed by this enum variant with the same name
[INFO] [stdout]    --> src/macros.rs:98:27
[INFO] [stdout]     |
[INFO] [stdout]  98 |                           $($title($return_ty_b),)+
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout] note: it is impossible to refer to the method `B` because it is shadowed by this enum variant with the same name
[INFO] [stdout]    --> src/macros.rs:98:27
[INFO] [stdout]     |
[INFO] [stdout]  98 |                           $($title($return_ty_b),)+
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]   9 | |         single:
[INFO] [stdout]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout]  11 | |         enum:
[INFO] [stdout]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout]  13 | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/macros.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |               pub fn as_ser(&self, id: usize) -> RpcRequestSer<T> {
[INFO] [stdout]    |                             ^^^^^                ---------------- the same lifetime is hidden here
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout]  9 | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 80 |             pub fn as_ser(&self, id: usize) -> RpcRequestSer<'_, T> {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 52.68s
[INFO] running `Command { std: "docker" "inspect" "a1a2d380f7cf7ee7b1ccad8f8548ebe96a9ceb98f0a389b67cf428c36b9ec073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a2d380f7cf7ee7b1ccad8f8548ebe96a9ceb98f0a389b67cf428c36b9ec073", kill_on_drop: false }`
[INFO] [stdout] a1a2d380f7cf7ee7b1ccad8f8548ebe96a9ceb98f0a389b67cf428c36b9ec073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 493215013a6b806f0d8d8f9f537cba97bf67c234bcd7a7568daa7a2101231660
[INFO] running `Command { std: "docker" "start" "-a" "493215013a6b806f0d8d8f9f537cba97bf67c234bcd7a7568daa7a2101231660", kill_on_drop: false }`
[INFO] [stderr] warning: type alias `Stuff` is never used
[INFO] [stderr]  --> src/lib.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Stuff = String;
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `throttled_json_rpc` (lib) generated 1 warning
[INFO] [stderr] warning: function `params_cleanse` is never used
[INFO] [stderr]   --> src/macros.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |           fn params_cleanse(value: serde_json::Value) -> serde_json::Value {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RpcResponse` is never constructed
[INFO] [stderr]   --> src/macros.rs:52:16
[INFO] [stderr]    |
[INFO] [stderr] 52 |           struct RpcResponse<T> {
[INFO] [stderr]    |                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RpcRequestSer` is never constructed
[INFO] [stderr]   --> src/macros.rs:59:16
[INFO] [stderr]    |
[INFO] [stderr] 59 |           struct RpcRequestSer<'a, T> {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RpcRequest` is never constructed
[INFO] [stderr]   --> src/macros.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |           struct RpcRequest<T> {
[INFO] [stderr]    |                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: methods `polymorphize` and `as_ser` are never used
[INFO] [stderr]   --> src/macros.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 71 | /         impl<T> RpcRequest<T>
[INFO] [stderr] 72 | |         where T: Serialize {
[INFO] [stderr]    | |__________________________- methods in this implementation
[INFO] [stderr] 73 |               pub fn polymorphize(self) -> RpcRequest<serde_json::Value> {
[INFO] [stderr]    |                      ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 80 |               pub fn as_ser(&self, id: usize) -> RpcRequestSer<T> {
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ReqBatcher` is never constructed
[INFO] [stderr]    --> src/macros.rs:117:20
[INFO] [stderr]     |
[INFO] [stderr] 117 |           pub struct ReqBatcher<T, U: for<'de> Deserialize<'de>> {
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BatcherPair` is never constructed
[INFO] [stderr]    --> src/macros.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |           pub struct BatcherPair<'a, T: for<'de> Deserialize<'de>>(&'a $struct_name, ReqBatcher<$struct_name, T>);
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_req` is never used
[INFO] [stderr]    --> src/macros.rs:129:16
[INFO] [stderr]     |
[INFO] [stderr] 125 | /         impl<'a, T> BatcherPair<'a, T>
[INFO] [stderr] 126 | |         where
[INFO] [stderr] 127 | |             T: for<'de> Deserialize<'de>
[INFO] [stderr]     | |________________________________________- method in this implementation
[INFO] [stderr] 128 |           {
[INFO] [stderr] 129 |               fn add_req<U: Serialize>(&mut self, method: &'static str, params: U) -> Result<usize, Error> {
[INFO] [stderr]     |                  ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BatchRequest` is never used
[INFO] [stderr]    --> src/macros.rs:143:19
[INFO] [stderr]     |
[INFO] [stderr] 143 |           pub trait BatchRequest<$struct_name, T: for<'de> Deserialize<'de>> {
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RpcClient` is never constructed
[INFO] [stderr]  --> src/lib.rs:8:32
[INFO] [stderr]   |
[INFO] [stderr] 8 |     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   |                                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `batcher`, `call_method`, `dispatch`, `a`, and `b` are never used
[INFO] [stderr]    --> src/lib.rs:10:20
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]     | |                    ^
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]     | |                    ^
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/macros.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |   ...   impl $struct_name {
[INFO] [stderr]     |         ----------------- associated items in this implementation
[INFO] [stderr] 233 |   ...       pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) ...
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] ...
[INFO] [stderr] 247 |   ...       pub fn batcher<'a, T: for<'de> Deserialize<'de>>(&'a self) -> BatcherPair<'a, T> {
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 256 |   ...       fn call_method<T: Serialize>(&self, method: &'static str, params: T) -> Result<String, Error> {
[INFO] [stderr]     |                ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 265 |   ...       fn dispatch<T: Serialize>(&self, data: &T) -> Result<rq::Response, Error> {
[INFO] [stderr]     |                ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: enum `b` is never used
[INFO] [stderr]   --> src/lib.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]    |                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: methods `A` and `B` are never used
[INFO] [stderr]    --> src/lib.rs:12:39
[INFO] [stderr]     |
[INFO] [stderr]  12 |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]     |                                       ^        ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/macros.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     impl $method_b {
[INFO] [stderr]     |                     -------------- methods in this implementation
[INFO] [stderr]     |
[INFO] [stderr] note: it is impossible to refer to the method `A` because it is shadowed by this enum variant with the same name
[INFO] [stderr]    --> src/macros.rs:98:27
[INFO] [stderr]     |
[INFO] [stderr]  98 |                           $($title($return_ty_b),)+
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr] note: it is impossible to refer to the method `B` because it is shadowed by this enum variant with the same name
[INFO] [stderr]    --> src/macros.rs:98:27
[INFO] [stderr]     |
[INFO] [stderr]  98 |                           $($title($return_ty_b),)+
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr]   8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]   9 | |         single:
[INFO] [stderr]  10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr]  11 | |         enum:
[INFO] [stderr]  12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr]  13 | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/macros.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 |               pub fn as_ser(&self, id: usize) -> RpcRequestSer<T> {
[INFO] [stderr]    |                             ^^^^^                ---------------- the same lifetime is hidden here
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr]  9 | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 80 |             pub fn as_ser(&self, id: usize) -> RpcRequestSer<'_, T> {
[INFO] [stderr]    |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `throttled_json_rpc` (lib test) generated 15 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/throttled_json_rpc-1bc84b48772b2434)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests throttled_json_rpc
[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" "493215013a6b806f0d8d8f9f537cba97bf67c234bcd7a7568daa7a2101231660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493215013a6b806f0d8d8f9f537cba97bf67c234bcd7a7568daa7a2101231660", kill_on_drop: false }`
[INFO] [stdout] 493215013a6b806f0d8d8f9f537cba97bf67c234bcd7a7568daa7a2101231660