[INFO] fetching crate rs-jsonrpc-macros 8.0.0... [INFO] checking rs-jsonrpc-macros-8.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate rs-jsonrpc-macros 8.0.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate rs-jsonrpc-macros 8.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rs-jsonrpc-macros 8.0.0 [INFO] finished tweaking crates.io crate rs-jsonrpc-macros 8.0.0 [INFO] tweaked toml for crates.io crate rs-jsonrpc-macros 8.0.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rs-jsonrpc-pubsub v8.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 803764568e7cb331c38956a1fb120e1b6c1d31341cf9b3b21cbd5f359b41191e [INFO] running `Command { std: "docker" "start" "-a" "803764568e7cb331c38956a1fb120e1b6c1d31341cf9b3b21cbd5f359b41191e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "803764568e7cb331c38956a1fb120e1b6c1d31341cf9b3b21cbd5f359b41191e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "803764568e7cb331c38956a1fb120e1b6c1d31341cf9b3b21cbd5f359b41191e", kill_on_drop: false }` [INFO] [stdout] 803764568e7cb331c38956a1fb120e1b6c1d31341cf9b3b21cbd5f359b41191e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54e987429ee56b3dfece73f22a338724722ecc97da2c521b4c0bb9f9588e255f [INFO] running `Command { std: "docker" "start" "-a" "54e987429ee56b3dfece73f22a338724722ecc97da2c521b4c0bb9f9588e255f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking globset v0.1.4 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking rs-jsonrpc-core v8.0.0 [INFO] [stderr] Checking rs-jsonrpc-server-utils v8.0.0 [INFO] [stderr] Checking rs-jsonrpc-pubsub v8.0.0 [INFO] [stderr] Checking rs-jsonrpc-macros v8.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rs-jsonrpc-tcp-server v8.0.0 [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/auto_args.rs:443:12 [INFO] [stdout] | [INFO] [stdout] 443 | let len = try!(params_len(¶ms)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for macro [INFO] [stdout] --> src/auto_args.rs:74:1 [INFO] [stdout] | [INFO] [stdout] 74 | macro_rules! build_rpc_trait { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/auto_args.rs:443:12 [INFO] [stdout] | [INFO] [stdout] 443 | let len = try!(params_len(¶ms)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/std.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/std.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/std.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 20 | fn call(&self, u64) -> FutureResult; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> tests/pubsub-macros.rs:20:24 [INFO] [stdout] | [INFO] [stdout] 20 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u32, Trailing); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Metadata` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> tests/pubsub-macros.rs:20:40 [INFO] [stdout] | [INFO] [stdout] 20 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u32, Trailing); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: pubsub::Subscriber` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> tests/pubsub-macros.rs:20:68 [INFO] [stdout] | [INFO] [stdout] 20 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u32, Trailing); [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:21:22 [INFO] [stdout] | [INFO] [stdout] 21 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> tests/pubsub-macros.rs:20:73 [INFO] [stdout] | [INFO] [stdout] 20 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u32, Trailing); [INFO] [stdout] | ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Trailing` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:25:17 [INFO] [stdout] | [INFO] [stdout] 25 | fn mul(&self, u64, rs_jsonrpc_macros::Trailing) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> tests/pubsub-macros.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | fn unsubscribe(&self, SubscriptionId) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SubscriptionId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:25:22 [INFO] [stdout] | [INFO] [stdout] 25 | fn mul(&self, u64, rs_jsonrpc_macros::Trailing) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: rs_jsonrpc_macros::Trailing` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:29:18 [INFO] [stdout] | [INFO] [stdout] 29 | fn call(&self, u64) -> FutureResult; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:33:23 [INFO] [stdout] | [INFO] [stdout] 33 | fn call_meta(&self, Self::Metadata, BTreeMap) -> FutureResult; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Metadata` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/meta-macros.rs:33:39 [INFO] [stdout] | [INFO] [stdout] 33 | fn call_meta(&self, Self::Metadata, BTreeMap) -> FutureResult; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: BTreeMap` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:35:22 [INFO] [stdout] | [INFO] [stdout] 35 | fn add(&self, u64, u64) -> Result; [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:40:24 [INFO] [stdout] | [INFO] [stdout] 40 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u64); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::Metadata` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:40:40 [INFO] [stdout] | [INFO] [stdout] 40 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: pubsub::Subscriber` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:40:68 [INFO] [stdout] | [INFO] [stdout] 40 | fn subscribe(&self, Self::Metadata, pubsub::Subscriber, u64); [INFO] [stdout] | ^^^ help: try naming the parameter or explicitly ignoring it: `_: u64` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> examples/pubsub-macros.rs:44:26 [INFO] [stdout] | [INFO] [stdout] 44 | fn unsubscribe(&self, SubscriptionId) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: SubscriptionId` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for macro [INFO] [stdout] --> src/auto_args.rs:74:1 [INFO] [stdout] | [INFO] [stdout] 74 | macro_rules! build_rpc_trait { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.87s [INFO] running `Command { std: "docker" "inspect" "54e987429ee56b3dfece73f22a338724722ecc97da2c521b4c0bb9f9588e255f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54e987429ee56b3dfece73f22a338724722ecc97da2c521b4c0bb9f9588e255f", kill_on_drop: false }` [INFO] [stdout] 54e987429ee56b3dfece73f22a338724722ecc97da2c521b4c0bb9f9588e255f