[INFO] fetching crate throttled_json_rpc 0.0.6...
[INFO] checking throttled_json_rpc-0.0.6 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate throttled_json_rpc 0.0.6 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate throttled_json_rpc 0.0.6 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] d52f61978c4359a71ede1f273c875a185ad5a94bbd37725883b1646bac58f6fc
[INFO] running `"docker" "start" "-a" "d52f61978c4359a71ede1f273c875a185ad5a94bbd37725883b1646bac58f6fc"`
[INFO] [stderr]     Checking throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr] warning: type alias is never used: `Stuff`
[INFO] [stderr]  --> src/lib.rs:4:1
[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]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/macros.rs:98:46
[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]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/macros.rs:98:46
[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] 
[INFO] [stderr] warning: method is never used: `A`
[INFO] [stderr]    --> src/macros.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, 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] warning: method is never used: `B`
[INFO] [stderr]    --> src/macros.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, 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] warning: field is never used: `max_batch_size`
[INFO] [stderr]    --> src/macros.rs:228:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |               max_batch_size: usize,
[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] warning: method is never used: `new`
[INFO] [stderr]    --> src/macros.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |               pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) -> Arc<Self> {
[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] warning: method is never used: `batcher`
[INFO] [stderr]    --> src/macros.rs:247:13
[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]    ::: 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] warning: method is never used: `call_method`
[INFO] [stderr]    --> src/macros.rs:256:13
[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]    ::: 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] warning: method is never used: `a`
[INFO] [stderr]    --> src/macros.rs:306:21
[INFO] [stderr]     |
[INFO] [stderr] 306 |                       pub fn $method_a(&self$(, $arg_name_a: $arg_ty_a)*) -> Result<$return_ty_a, 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] warning: method is never used: `b`
[INFO] [stderr]    --> src/macros.rs:318:21
[INFO] [stderr]     |
[INFO] [stderr] 318 |                       pub fn $method_b(&self$(, $arg_name_b: $arg_ty_b)*) -> Result<reply::$method_b, 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]     Finished dev [unoptimized + debuginfo] target(s) in 15.15s
[INFO] running `"docker" "inspect" "d52f61978c4359a71ede1f273c875a185ad5a94bbd37725883b1646bac58f6fc"`
[INFO] running `"docker" "rm" "-f" "d52f61978c4359a71ede1f273c875a185ad5a94bbd37725883b1646bac58f6fc"`
[INFO] [stdout] d52f61978c4359a71ede1f273c875a185ad5a94bbd37725883b1646bac58f6fc