[INFO] cloning repository https://github.com/CryptArchy/RuStatsD [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CryptArchy/RuStatsD" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryptArchy%2FRuStatsD"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryptArchy%2FRuStatsD'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 46c08407b102d32b7ff7a764eb7ea182f2ccda78 [INFO] checking CryptArchy/RuStatsD against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCryptArchy%2FRuStatsD" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CryptArchy/RuStatsD on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CryptArchy/RuStatsD [INFO] finished tweaking git repo https://github.com/CryptArchy/RuStatsD [INFO] tweaked toml for git repo https://github.com/CryptArchy/RuStatsD written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/CryptArchy/RuStatsD already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] f1f36387a65f37a619f3a7bde9a37219666fa9414e63ae1519805d53bb4e373d [INFO] running `"docker" "start" "-a" "f1f36387a65f37a619f3a7bde9a37219666fa9414e63ae1519805d53bb4e373d"` [INFO] [stderr] Checking libc v0.2.16 [INFO] [stderr] Checking num-traits v0.1.35 [INFO] [stderr] Checking traitobject v0.0.3 [INFO] [stderr] Checking quick-error v1.1.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.3 [INFO] [stderr] Checking strsim v0.5.1 [INFO] [stderr] Checking unicode-segmentation v0.1.2 [INFO] [stderr] Checking toml v0.1.30 [INFO] [stderr] Checking unsafe-any v0.4.1 [INFO] [stderr] Checking humantime v0.1.3 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking net2 v0.2.26 [INFO] [stderr] Checking nix v0.6.0 [INFO] [stderr] Checking term_size v0.2.1 [INFO] [stderr] Checking clap v2.13.0 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.35 [INFO] [stderr] Checking ordered-float v0.1.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking serde-value v0.2.1 [INFO] [stderr] Checking log4rs v0.4.8 [INFO] [stderr] Checking mio v0.6.0 [INFO] [stderr] Checking rustatsd v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `sync_token::*` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use sync_token::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/lib.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `TokenSource` [INFO] [stderr] --> src/sync_token.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct TokenSource { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Token` [INFO] [stderr] --> src/sync_token.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/sync_token.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new() -> TokenSource { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_token` [INFO] [stderr] --> src/sync_token.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn get_token(&self) -> Arc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `trigger` [INFO] [stderr] --> src/sync_token.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn trigger(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_triggered` [INFO] [stderr] --> src/sync_token.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn is_triggered(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:86:16 [INFO] [stderr] | [INFO] [stderr] 86 | let kind = try!(parse_kind(parts[2])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | let value = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | try!(parts[3][1..].parse()) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frontends/udp_server.rs:50:23 [INFO] [stderr] | [INFO] [stderr] 50 | let address = try!(connection_string.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frontends/udp_server.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | let socket = try!(UdpSocket::bind(&address)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AppSettings`, `App`, `Arg` [INFO] [stderr] --> src/main.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | use clap::{Arg, App, AppSettings}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/metrics.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/metrics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `from_utf8` [INFO] [stderr] --> src/metrics.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str::{from_utf8, FromStr}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/metrics.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio` [INFO] [stderr] --> src/backends/console.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use mio; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/backends/console.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/backends/console.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/backends/console.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `backends::*` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use backends::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:86:16 [INFO] [stderr] | [INFO] [stderr] 86 | let kind = try!(parse_kind(parts[2])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:91:21 [INFO] [stderr] | [INFO] [stderr] 91 | let value = try!(parts[1].parse()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/metrics.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | try!(parts[3][1..].parse()) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frontends/udp_server.rs:50:23 [INFO] [stderr] | [INFO] [stderr] 50 | let address = try!(connection_string.parse::()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/frontends/udp_server.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | let socket = try!(UdpSocket::bind(&address)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AppSettings`, `App`, `Arg` [INFO] [stderr] --> src/main.rs:15:12 [INFO] [stderr] | [INFO] [stderr] 15 | use clap::{Arg, App, AppSettings}; [INFO] [stderr] | ^^^ ^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/metrics.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/metrics.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `from_utf8` [INFO] [stderr] --> src/metrics.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str::{from_utf8, FromStr}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/metrics.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio` [INFO] [stderr] --> src/backends/console.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use mio; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/backends/console.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::result` [INFO] [stderr] --> src/backends/console.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::result; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str` [INFO] [stderr] --> src/backends/console.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::str; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `backends::*` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use backends::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `actual` [INFO] [stderr] --> src/metrics.rs:202:9 [INFO] [stderr] | [INFO] [stderr] 202 | let actual: StatMsg = "test.key:delete".parse().unwrap(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_actual` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `actual` [INFO] [stderr] --> src/metrics.rs:239:9 [INFO] [stderr] | [INFO] [stderr] 239 | let actual: StatMsg = "test.key:1|x".parse().unwrap(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_actual` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/metrics.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | fn from(err: num::ParseIntError) -> ParseMessageError { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/metrics.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | fn from(err: num::ParseFloatError) -> ParseMessageError { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kind` [INFO] [stderr] --> src/frontends/udp_server.rs:101:32 [INFO] [stderr] | [INFO] [stderr] 101 | (RX_TOKEN, kind) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_kind` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kind` [INFO] [stderr] --> src/backends/console.rs:42:32 [INFO] [stderr] | [INFO] [stderr] 42 | (RX_TOKEN, kind) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_kind` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/frontends/udp_server.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut poll = Poll::new().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/backends/console.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut poll = Poll::new().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_timer` [INFO] [stderr] --> src/metrics.rs:151:1 [INFO] [stderr] | [INFO] [stderr] 151 | fn test_timer() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `address` [INFO] [stderr] --> src/frontends/udp_server.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | address: SocketAddr, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `RX_TOKEN` [INFO] [stderr] --> src/backends/console.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | const RX_TOKEN: Token = Token(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConsoleBackend` [INFO] [stderr] --> src/backends/console.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct ConsoleBackend { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/backends/console.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn new() -> ConsoleBackend { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/backends/console.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn run(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `UserConfiguration` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | struct UserConfiguration { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Bucket` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | struct Bucket { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `env_check` [INFO] [stderr] --> src/main.rs:153:1 [INFO] [stderr] | [INFO] [stderr] 153 | fn env_check(env_var: &str, help: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `upgrade_str_option` [INFO] [stderr] --> src/main.rs:160:1 [INFO] [stderr] | [INFO] [stderr] 160 | fn upgrade_str_option(o: Option<&str>) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/frontends/udp_server.rs:96:37 [INFO] [stderr] | [INFO] [stderr] 96 | ... tx.send(msg.to_string()); [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 variable: `err` [INFO] [stderr] --> src/metrics.rs:21:13 [INFO] [stderr] | [INFO] [stderr] 21 | fn from(err: num::ParseIntError) -> ParseMessageError { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/metrics.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | fn from(err: num::ParseFloatError) -> ParseMessageError { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kind` [INFO] [stderr] --> src/frontends/udp_server.rs:101:32 [INFO] [stderr] | [INFO] [stderr] 101 | (RX_TOKEN, kind) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_kind` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `kind` [INFO] [stderr] --> src/backends/console.rs:42:32 [INFO] [stderr] | [INFO] [stderr] 42 | (RX_TOKEN, kind) => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_kind` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/frontends/udp_server.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut poll = Poll::new().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/backends/console.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut poll = Poll::new().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_timer` [INFO] [stderr] --> src/metrics.rs:151:1 [INFO] [stderr] | [INFO] [stderr] 151 | fn test_timer() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `address` [INFO] [stderr] --> src/frontends/udp_server.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | address: SocketAddr, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `RX_TOKEN` [INFO] [stderr] --> src/backends/console.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | const RX_TOKEN: Token = Token(0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ConsoleBackend` [INFO] [stderr] --> src/backends/console.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | pub struct ConsoleBackend { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/backends/console.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn new() -> ConsoleBackend { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `run` [INFO] [stderr] --> src/backends/console.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | pub fn run(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `UserConfiguration` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | struct UserConfiguration { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Bucket` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | struct Bucket { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `env_check` [INFO] [stderr] --> src/main.rs:153:1 [INFO] [stderr] | [INFO] [stderr] 153 | fn env_check(env_var: &str, help: &str) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `upgrade_str_option` [INFO] [stderr] --> src/main.rs:160:1 [INFO] [stderr] | [INFO] [stderr] 160 | fn upgrade_str_option(o: Option<&str>) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/frontends/udp_server.rs:96:37 [INFO] [stderr] | [INFO] [stderr] 96 | ... tx.send(msg.to_string()); [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] Finished dev [unoptimized + debuginfo] target(s) in 19.60s [INFO] running `"docker" "inspect" "f1f36387a65f37a619f3a7bde9a37219666fa9414e63ae1519805d53bb4e373d"` [INFO] running `"docker" "rm" "-f" "f1f36387a65f37a619f3a7bde9a37219666fa9414e63ae1519805d53bb4e373d"` [INFO] [stdout] f1f36387a65f37a619f3a7bde9a37219666fa9414e63ae1519805d53bb4e373d