[INFO] fetching crate throttled_json_rpc 0.0.6...
[INFO] testing throttled_json_rpc-0.0.6 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate throttled_json_rpc 0.0.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate throttled_json_rpc 0.0.6 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a1955321482eb3d553661d8aa00c6167868c3624936ad56e0a56a649abd8d17
[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" "4a1955321482eb3d553661d8aa00c6167868c3624936ad56e0a56a649abd8d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a1955321482eb3d553661d8aa00c6167868c3624936ad56e0a56a649abd8d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1955321482eb3d553661d8aa00c6167868c3624936ad56e0a56a649abd8d17", kill_on_drop: false }`
[INFO] [stdout] 4a1955321482eb3d553661d8aa00c6167868c3624936ad56e0a56a649abd8d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--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] c60107ed2ef61bc0947dce5798f8dc51884f61ea259eaa36c5a2c409a1de4d28
[INFO] running `Command { std: "docker" "start" "-a" "c60107ed2ef61bc0947dce5798f8dc51884f61ea259eaa36c5a2c409a1de4d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `Stuff`
[INFO] [stdout]  --> src/lib.rs:4:1
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c60107ed2ef61bc0947dce5798f8dc51884f61ea259eaa36c5a2c409a1de4d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60107ed2ef61bc0947dce5798f8dc51884f61ea259eaa36c5a2c409a1de4d28", kill_on_drop: false }`
[INFO] [stdout] c60107ed2ef61bc0947dce5798f8dc51884f61ea259eaa36c5a2c409a1de4d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dc2ebe77d313140fe87168164fc5fbeb17de59e068942bc31f6b77e4c15773a
[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" "5dc2ebe77d313140fe87168164fc5fbeb17de59e068942bc31f6b77e4c15773a", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stdout] warning: type alias is never used: `Stuff`
[INFO] [stdout]  --> src/lib.rs:4:1
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
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[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `A`
[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]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[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]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `A`
[INFO] [stdout]    --> src/macros.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `B`
[INFO] [stdout]    --> src/macros.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_batch_size`
[INFO] [stdout]    --> src/macros.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |               max_batch_size: usize,
[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 a macro (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/macros.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |   ...   pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) -> Arc<Self...
[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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `batcher`
[INFO] [stdout]    --> src/macros.rs:247:13
[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]    ::: 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call_method`
[INFO] [stdout]    --> src/macros.rs:256:13
[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]    ::: 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `a`
[INFO] [stdout]    --> src/macros.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |                       pub fn $method_a(&self$(, $arg_name_a: $arg_ty_a)*) -> Result<$return_ty_a, 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `b`
[INFO] [stdout]    --> src/macros.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |                       pub fn $method_b(&self$(, $arg_name_b: $arg_ty_b)*) -> Result<reply::$method_b, 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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "5dc2ebe77d313140fe87168164fc5fbeb17de59e068942bc31f6b77e4c15773a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc2ebe77d313140fe87168164fc5fbeb17de59e068942bc31f6b77e4c15773a", kill_on_drop: false }`
[INFO] [stdout] 5dc2ebe77d313140fe87168164fc5fbeb17de59e068942bc31f6b77e4c15773a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b87f2a4674850d0d762c45871e10555de2803da13920a0c172619bfab4e65958
[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" "b87f2a4674850d0d762c45871e10555de2803da13920a0c172619bfab4e65958", kill_on_drop: false }`
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[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]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[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]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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]     = note: this warning originates in a macro (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/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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function 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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/throttled_json_rpc-1a05193ee26109a6
[INFO] [stderr]    Doc-tests throttled_json_rpc
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b87f2a4674850d0d762c45871e10555de2803da13920a0c172619bfab4e65958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b87f2a4674850d0d762c45871e10555de2803da13920a0c172619bfab4e65958", kill_on_drop: false }`
[INFO] [stdout] b87f2a4674850d0d762c45871e10555de2803da13920a0c172619bfab4e65958