[INFO] crate actix_web_metrics_mw 0.0.1 is already in cache [INFO] checking actix_web_metrics_mw-0.0.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate actix_web_metrics_mw 0.0.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate actix_web_metrics_mw 0.0.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate actix_web_metrics_mw 0.0.1 [INFO] finished tweaking crates.io crate actix_web_metrics_mw 0.0.1 [INFO] tweaked toml for crates.io crate actix_web_metrics_mw 0.0.1 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 9798a2563194e8708d6ad46b28370728dedf7a9c00f2ea03c434ce6de53a9ffc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "9798a2563194e8708d6ad46b28370728dedf7a9c00f2ea03c434ce6de53a9ffc"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking metrics-core v0.5.1 [INFO] [stderr] Checking copyless v0.1.4 [INFO] [stderr] Checking arc-swap v0.4.3 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking hashbrown v0.5.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling metrics v0.11.1 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking json v0.11.15 [INFO] [stderr] Checking actix-service v0.4.2 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking quanta v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling im v12.3.4 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Checking cadence v0.18.0 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking resolv-conf v0.6.2 [INFO] [stderr] Checking signal-hook-registry v1.1.1 [INFO] [stderr] Checking metrics-exporter-log v0.3.0 [INFO] [stderr] Checking hdrhistogram v6.3.4 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking signal-hook v0.1.10 [INFO] [stderr] Checking actix-server-config v0.1.2 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking actix-codec v0.1.2 [INFO] [stderr] Checking flate2 v1.0.12 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking actix-utils v0.4.7 [INFO] [stderr] Checking hyper v0.12.35 [INFO] [stderr] Checking sized-chunks v0.1.3 [INFO] [stderr] Checking metrics-exporter-http v0.2.0 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling synstructure v0.12.1 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling actix-web-codegen v0.1.3 [INFO] [stderr] Checking actix-threadpool v0.1.2 [INFO] [stderr] Checking actix-rt v0.2.5 [INFO] [stderr] Checking actix-server v0.6.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking trust-dns-proto v0.7.4 [INFO] [stderr] Checking actix-testing v0.1.0 [INFO] [stderr] Checking trust-dns-resolver v0.11.1 [INFO] [stderr] Checking actix-connect v0.2.5 [INFO] [stderr] Checking serde v1.0.101 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking metrics-util v0.3.0 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking actix-router v0.1.5 [INFO] [stderr] Checking metrics-observer-prometheus v0.1.1 [INFO] [stderr] Checking metrics-observer-yaml v0.1.1 [INFO] [stderr] Checking actix-http v0.2.10 [INFO] [stderr] Checking metrics-observer-json v0.1.1 [INFO] [stderr] Checking metrics-runtime v0.1.0 [INFO] [stderr] Checking awc v0.2.7 [INFO] [stderr] Checking actix-web v1.0.8 [INFO] [stderr] Checking actix_web_metrics_mw v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `web::Json` [INFO] [stderr] --> src/lib.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | web::Json, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `HttpResponse`, `http` [INFO] [stderr] --> src/lib.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | use actix_web::{http, HttpResponse}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Either` [INFO] [stderr] --> src/lib.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | use futures::future::{ok, Either, FutureResult}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Recorder`, `SetRecorderError` [INFO] [stderr] --> src/lib.rs:20:15 [INFO] [stderr] | [INFO] [stderr] 20 | use metrics::{Recorder, SetRecorderError}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Key`, `ScopedString` [INFO] [stderr] --> src/lib.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | use metrics_core::{Key, Label, ScopedString}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `metrics_runtime::data::Snapshot` [INFO] [stderr] --> src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use metrics_runtime::data::Snapshot; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsScoped` [INFO] [stderr] --> src/lib.rs:24:23 [INFO] [stderr] | [INFO] [stderr] 24 | use metrics_runtime::{AsScoped, Controller, Receiver, Sink}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/lib.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashMap` [INFO] [stderr] --> src/lib.rs:29:34 [INFO] [stderr] | [INFO] [stderr] 29 | use std::collections::{BTreeMap, HashMap}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/lib.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/lib.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/lib.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/statsd_metrics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/statsd_metrics.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/statsd_metrics.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicPtr` [INFO] [stderr] --> src/statsd_metrics.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::atomic::AtomicPtr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/statsd_metrics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `cadence::ext::MetricBackend` [INFO] [stderr] --> src/statsd_metrics.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use cadence::ext::MetricBackend; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MetricBuilder`, `UdpMetricSink` [INFO] [stderr] --> src/statsd_metrics.rs:14:28 [INFO] [stderr] | [INFO] [stderr] 14 | BufferedUdpMetricSink, MetricBuilder, QueuingMetricSink, StatsdClient, UdpMetricSink, [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `web::Json` [INFO] [stderr] --> src/lib.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | web::Json, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `HttpResponse`, `http` [INFO] [stderr] --> src/lib.rs:17:17 [INFO] [stderr] | [INFO] [stderr] 17 | use actix_web::{http, HttpResponse}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Either` [INFO] [stderr] --> src/lib.rs:18:27 [INFO] [stderr] | [INFO] [stderr] 18 | use futures::future::{ok, Either, FutureResult}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Recorder`, `SetRecorderError` [INFO] [stderr] --> src/lib.rs:20:15 [INFO] [stderr] | [INFO] [stderr] 20 | use metrics::{Recorder, SetRecorderError}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Key`, `ScopedString` [INFO] [stderr] --> src/lib.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | use metrics_core::{Key, Label, ScopedString}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `metrics_runtime::data::Snapshot` [INFO] [stderr] --> src/lib.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use metrics_runtime::data::Snapshot; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsScoped` [INFO] [stderr] --> src/lib.rs:24:23 [INFO] [stderr] | [INFO] [stderr] 24 | use metrics_runtime::{AsScoped, Controller, Receiver, Sink}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/lib.rs:28:19 [INFO] [stderr] | [INFO] [stderr] 28 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/lib.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/lib.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/lib.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::BorrowMut` [INFO] [stderr] --> src/statsd_metrics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/statsd_metrics.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Deref` [INFO] [stderr] --> src/statsd_metrics.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ops::Deref; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::atomic::AtomicPtr` [INFO] [stderr] --> src/statsd_metrics.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::sync::atomic::AtomicPtr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::Arc` [INFO] [stderr] --> src/statsd_metrics.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::Arc; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `cadence::ext::MetricBackend` [INFO] [stderr] --> src/statsd_metrics.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use cadence::ext::MetricBackend; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MetricBuilder`, `UdpMetricSink` [INFO] [stderr] --> src/statsd_metrics.rs:14:28 [INFO] [stderr] | [INFO] [stderr] 14 | BufferedUdpMetricSink, MetricBuilder, QueuingMetricSink, StatsdClient, UdpMetricSink, [INFO] [stderr] | ^^^^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::any::Any` [INFO] [stderr] --> src/lib.rs:284:9 [INFO] [stderr] | [INFO] [stderr] 284 | use std::any::Any; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_ns` [INFO] [stderr] --> src/statsd_metrics.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn with_ns(mut self, namespace: &'static str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_endpoint` [INFO] [stderr] --> src/statsd_metrics.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn with_endpoint(mut self, endpoint: &'static str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_port` [INFO] [stderr] --> src/statsd_metrics.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn with_port(mut self, port: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_ns` [INFO] [stderr] --> src/statsd_metrics.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn with_ns(mut self, namespace: &'static str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_endpoint` [INFO] [stderr] --> src/statsd_metrics.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn with_endpoint(mut self, endpoint: &'static str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `with_port` [INFO] [stderr] --> src/statsd_metrics.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | pub fn with_port(mut self, port: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/statsd_metrics.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | mb.try_send(); [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 05s [INFO] running `"docker" "inspect" "9798a2563194e8708d6ad46b28370728dedf7a9c00f2ea03c434ce6de53a9ffc"` [INFO] running `"docker" "rm" "-f" "9798a2563194e8708d6ad46b28370728dedf7a9c00f2ea03c434ce6de53a9ffc"` [INFO] [stdout] 9798a2563194e8708d6ad46b28370728dedf7a9c00f2ea03c434ce6de53a9ffc