[INFO] cloning repository https://github.com/rosew0od/ms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rosew0od/ms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosew0od%2Fms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosew0od%2Fms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e94062f5fcbf64eeecb084a21c44ab7143b5b4d1 [INFO] checking rosew0od/ms against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosew0od%2Fms" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/rosew0od/ms [INFO] finished tweaking git repo https://github.com/rosew0od/ms [INFO] tweaked toml for git repo https://github.com/rosew0od/ms written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rosew0od/ms on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rosew0od/ms already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking rosew0od/ms against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frosew0od%2Fms" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml [INFO] started tweaking git repo https://github.com/rosew0od/ms [INFO] finished tweaking git repo https://github.com/rosew0od/ms [INFO] tweaked toml for git repo https://github.com/rosew0od/ms written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rosew0od/ms on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rosew0od/ms already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded equator-macro v0.4.2 [INFO] [stderr] Downloaded varint-simd v0.4.1 [INFO] [stderr] Downloaded profiling-procmacros v1.0.17 [INFO] [stderr] Downloaded aligned-vec v0.6.4 [INFO] [stderr] Downloaded bit_field v0.10.3 [INFO] [stderr] Downloaded ravif v0.11.20 [INFO] [stderr] Downloaded lebe v0.5.3 [INFO] [stderr] Downloaded avif-serialize v0.8.6 [INFO] [stderr] Downloaded v_frame v0.3.9 [INFO] [stderr] Downloaded equator v0.4.2 [INFO] [stderr] Downloaded trybuild v1.0.110 [INFO] [stderr] Downloaded cc v1.2.36 [INFO] [stderr] Downloaded libfuzzer-sys v0.4.10 [INFO] [stderr] Downloaded wasi v0.14.4+wasi-0.2.4 [INFO] [stderr] Downloaded pxfm v0.1.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ac7581ded3d7cf784ac64ea1856f01d3945978a7606f69f6043a23e4a4bd0ba [INFO] running `Command { std: "docker" "start" "-a" "9ac7581ded3d7cf784ac64ea1856f01d3945978a7606f69f6043a23e4a4bd0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ac7581ded3d7cf784ac64ea1856f01d3945978a7606f69f6043a23e4a4bd0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ac7581ded3d7cf784ac64ea1856f01d3945978a7606f69f6043a23e4a4bd0ba", kill_on_drop: false }` [INFO] [stdout] 9ac7581ded3d7cf784ac64ea1856f01d3945978a7606f69f6043a23e4a4bd0ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e98a82831e7bbad017b2d16c3fc47f5ee219e7939f4f10a5c2d08f8ff956d85a [INFO] running `Command { std: "docker" "start" "-a" "e98a82831e7bbad017b2d16c3fc47f5ee219e7939f4f10a5c2d08f8ff956d85a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Checking ident_case v1.0.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Compiling built v0.7.7 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking half v2.6.0 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking zune-core v0.4.12 [INFO] [stderr] Compiling noop_proc_macro v0.3.0 [INFO] [stderr] Checking imgref v1.11.0 [INFO] [stderr] Checking maybe-rayon v0.1.1 [INFO] [stderr] Checking bitstream-io v2.6.0 [INFO] [stderr] Checking weezl v0.1.10 [INFO] [stderr] Checking new_debug_unreachable v1.0.6 [INFO] [stderr] Checking avif-serialize v0.8.6 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking zune-jpeg v0.4.21 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking pxfm v0.1.23 [INFO] [stderr] Checking loop9 v0.1.5 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Compiling rav1e v0.7.1 [INFO] [stderr] Checking lebe v0.5.3 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Checking quote v1.0.40 [INFO] [stderr] Checking bit_field v0.10.3 [INFO] [stderr] Checking rgb v0.8.52 [INFO] [stderr] Checking image-webp v0.2.4 [INFO] [stderr] Checking syn v2.0.106 [INFO] [stderr] Compiling varint-simd v0.4.1 [INFO] [stderr] Checking png v0.18.0 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking exr v1.73.0 [INFO] [stderr] Checking toml_parser v1.0.2 [INFO] [stderr] Checking gif v0.13.3 [INFO] [stderr] Checking qoi v0.4.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Checking toml_writer v1.0.2 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling simd_helpers v0.1.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking yansi v1.0.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Checking uuid v1.18.1 [INFO] [stderr] Checking pretty_assertions v1.4.1 [INFO] [stderr] Checking moxcms v0.7.5 [INFO] [stderr] Checking serde_spanned v1.0.0 [INFO] [stderr] Checking toml_datetime v0.7.0 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking toml v0.9.5 [INFO] [stderr] Checking darling_core v0.21.3 [INFO] [stderr] Checking proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling equator-macro v0.4.2 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling profiling-procmacros v1.0.17 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling arg_enum_proc_macro v0.3.4 [INFO] [stderr] Compiling fax_derive v0.2.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking profiling v1.0.17 [INFO] [stderr] Checking equator v0.4.2 [INFO] [stderr] Checking fax v0.2.6 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking aligned-vec v0.6.4 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking tiff v0.10.3 [INFO] [stderr] Checking v_frame v0.3.9 [INFO] [stderr] Checking av1-grain v0.2.4 [INFO] [stderr] Compiling darling_macro v0.21.3 [INFO] [stderr] Compiling darling v0.21.3 [INFO] [stderr] Checking ms-protocol-core v0.1.0 (/opt/rustwide/workdir/protocol-core) [INFO] [stderr] Checking ms-protocol-derive v0.1.0 (/opt/rustwide/workdir/protocol-derive) [INFO] [stderr] Checking ms-protocol v0.1.0 (/opt/rustwide/workdir/protocol) [INFO] [stdout] warning: unused import: `tap::TapFallible` [INFO] [stdout] --> protocol/src/var.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tap::TapFallible; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> protocol/src/var.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{error, trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Tap` [INFO] [stdout] --> protocol/src/bounded.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use tap::{Tap, TapFallible}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trace` [INFO] [stdout] --> protocol/src/bounded.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{error, trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking trybuild v1.0.110 [INFO] [stdout] warning: unused import: `tap::TapFallible` [INFO] [stdout] --> protocol/src/var.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use tap::TapFallible; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> protocol/src/var.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{error, trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Tap` [INFO] [stdout] --> protocol/src/bounded.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use tap::{Tap, TapFallible}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `trace` [INFO] [stdout] --> protocol/src/bounded.rs:2:22 [INFO] [stdout] | [INFO] [stdout] 2 | use tracing::{error, trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ravif v0.11.20 [INFO] [stderr] Checking image v0.25.8 [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stdout] warning: unused import: `codecs::png::PngEncoder` [INFO] [stdout] --> server/src/main.rs:2:53 [INFO] [stdout] | [INFO] [stdout] 2 | use image::{DynamicImage, ImageFormat, ImageReader, codecs::png::PngEncoder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object::Object` [INFO] [stdout] --> server/src/main.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use json::{JsonValue, object, object::Object}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env::args` [INFO] [stdout] --> server/src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | env::args, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `field::debug` and `trace` [INFO] [stdout] --> server/src/main.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | use tracing::{Level, debug, error, field::debug, info, span, trace}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `layer::Filter` [INFO] [stdout] --> server/src/main.rs:14:41 [INFO] [stdout] | [INFO] [stdout] 14 | use tracing_subscriber::{FmtSubscriber, layer::Filter, util::SubscriberInitExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `codecs::png::PngEncoder` [INFO] [stdout] --> server/src/main.rs:2:53 [INFO] [stdout] | [INFO] [stdout] 2 | use image::{DynamicImage, ImageFormat, ImageReader, codecs::png::PngEncoder}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object::Object` [INFO] [stdout] --> server/src/main.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use json::{JsonValue, object, object::Object}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `env::args` [INFO] [stdout] --> server/src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | env::args, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `field::debug` and `trace` [INFO] [stdout] --> server/src/main.rs:13:36 [INFO] [stdout] | [INFO] [stdout] 13 | use tracing::{Level, debug, error, field::debug, info, span, trace}; [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `layer::Filter` [INFO] [stdout] --> server/src/main.rs:14:41 [INFO] [stdout] | [INFO] [stdout] 14 | use tracing_subscriber::{FmtSubscriber, layer::Filter, util::SubscriberInitExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::SubscriberInitExt` [INFO] [stdout] --> server/src/main.rs:14:56 [INFO] [stdout] | [INFO] [stdout] 14 | use tracing_subscriber::{FmtSubscriber, layer::Filter, util::SubscriberInitExt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `util::SubscriberInitExt` [INFO] [stdout] --> server/src/main.rs:14:56 [INFO] [stdout] | [INFO] [stdout] 14 | use tracing_subscriber::{FmtSubscriber, layer::Filter, util::SubscriberInitExt}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> server/src/main.rs:175:5 [INFO] [stdout] | [INFO] [stdout] 174 | struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 175 | addr: SocketAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PingRequest` is never constructed [INFO] [stdout] --> server/src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | struct PingRequest { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> server/src/main.rs:175:5 [INFO] [stdout] | [INFO] [stdout] 174 | struct Client { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 175 | addr: SocketAddr, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PingRequest` is never constructed [INFO] [stdout] --> server/src/main.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 207 | struct PingRequest { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 240 | / self.favicon [INFO] [stdout] 241 | | .resize(64, 64, image::imageops::FilterType::Nearest) [INFO] [stdout] 242 | | .write_to(&mut buf, ImageFormat::Png); [INFO] [stdout] | |_____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 240 | let _ = self.favicon [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> server/src/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 240 | / self.favicon [INFO] [stdout] 241 | | .resize(64, 64, image::imageops::FilterType::Nearest) [INFO] [stdout] 242 | | .write_to(&mut buf, ImageFormat::Png); [INFO] [stdout] | |_____________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 240 | let _ = self.favicon [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.36s [INFO] running `Command { std: "docker" "inspect" "e98a82831e7bbad017b2d16c3fc47f5ee219e7939f4f10a5c2d08f8ff956d85a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e98a82831e7bbad017b2d16c3fc47f5ee219e7939f4f10a5c2d08f8ff956d85a", kill_on_drop: false }` [INFO] [stdout] e98a82831e7bbad017b2d16c3fc47f5ee219e7939f4f10a5c2d08f8ff956d85a