[INFO] fetching crate plotka 0.1.0... [INFO] checking plotka-0.1.0 against beta for pr-78714 [INFO] extracting crate plotka 0.1.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate plotka 0.1.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate plotka 0.1.0 [INFO] finished tweaking crates.io crate plotka 0.1.0 [INFO] tweaked toml for crates.io crate plotka 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1847740a62673f10cfcf7ac8ae29d9b8df019ba26ae541f4f8f35891ca07fa39 [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" "1847740a62673f10cfcf7ac8ae29d9b8df019ba26ae541f4f8f35891ca07fa39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1847740a62673f10cfcf7ac8ae29d9b8df019ba26ae541f4f8f35891ca07fa39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1847740a62673f10cfcf7ac8ae29d9b8df019ba26ae541f4f8f35891ca07fa39", kill_on_drop: false }` [INFO] [stdout] 1847740a62673f10cfcf7ac8ae29d9b8df019ba26ae541f4f8f35891ca07fa39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 572926eca1f70ec55ca9b27d09ffa491d052099e4937fc73a49c75f22c56170a [INFO] running `Command { std: "docker" "start" "-a" "572926eca1f70ec55ca9b27d09ffa491d052099e4937fc73a49c75f22c56170a", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking zeroize v1.1.1 [INFO] [stderr] Compiling v_htmlescape v0.4.5 [INFO] [stderr] Checking tower-service v0.1.0 [INFO] [stderr] Compiling actix-web v0.7.19 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Checking pretty_assertions v0.5.1 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking socket2 v0.3.16 [INFO] [stderr] Checking getrandom v0.1.15 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking signal-hook-registry v1.2.2 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking universal-hash v0.3.0 [INFO] [stderr] Checking block-cipher-trait v0.6.2 [INFO] [stderr] Checking aead v0.2.0 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking backtrace v0.3.54 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking resolv-conf v0.6.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aes-soft v0.3.3 [INFO] [stderr] Checking polyval v0.3.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking flate2 v1.0.19 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking hkdf v0.8.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking color-backtrace v0.1.3 [INFO] [stderr] Checking ghash v0.2.3 [INFO] [stderr] Checking aes v0.3.2 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking csv v1.1.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling v_escape_derive v0.5.6 [INFO] [stderr] Checking aes-gcm v0.5.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking parking_lot v0.7.1 [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-signal v0.2.9 [INFO] [stderr] Checking trust-dns-proto v0.6.3 [INFO] [stderr] Checking trust-dns-proto v0.5.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking cookie v0.11.3 [INFO] [stderr] Checking v_escape v0.7.4 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking trust-dns-resolver v0.10.3 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Compiling actix_derive v0.3.2 [INFO] [stderr] Checking actix v0.7.9 [INFO] [stderr] Checking actix-net v0.2.6 [INFO] [stderr] Checking plotka v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `::color_backtrace` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ::color_backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::pretty_env_logger` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use ::pretty_env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0405]: cannot find trait `Read` in this scope [INFO] [stdout] --> src/parse/csv.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | R: Read, [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 85 | use crate::compose::de::Read; [INFO] [stdout] | [INFO] [stdout] 85 | use crate::compose::value::io::Read; [INFO] [stdout] | [INFO] [stdout] 85 | use serde_json::de::Read; [INFO] [stdout] | [INFO] [stdout] 85 | use std::io::Read; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Number` [INFO] [stdout] --> src/parse/json.rs:80:33 [INFO] [stdout] | [INFO] [stdout] 80 | assert_eq!(record["a"], Number::Int(1)); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 69 | use crate::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use crate::parse::json::json::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use serde_json::Number; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Number` [INFO] [stdout] --> src/parse/json.rs:81:33 [INFO] [stdout] | [INFO] [stdout] 81 | assert_eq!(record["b"], Number::Int(2)); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 69 | use crate::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use crate::parse::json::json::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use serde_json::Number; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Number` [INFO] [stdout] --> src/parse/json.rs:91:33 [INFO] [stdout] | [INFO] [stdout] 91 | assert_eq!(record["a"], Number::Float(1.0)); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 69 | use crate::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use crate::parse::json::json::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use serde_json::Number; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Number` [INFO] [stdout] --> src/parse/json.rs:92:33 [INFO] [stdout] | [INFO] [stdout] 92 | assert_eq!(record["b"], Number::Float(2.0)); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 69 | use crate::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use crate::parse::json::json::Number; [INFO] [stdout] | [INFO] [stdout] 69 | use serde_json::Number; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::color_backtrace` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ::color_backtrace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::pretty_env_logger` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use ::pretty_env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0405, E0433. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0405`. [INFO] [stdout] [INFO] [stderr] error: could not compile `plotka` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `settings` [INFO] [stdout] --> src/parse/json.rs:53:31 [INFO] [stdout] | [INFO] [stdout] 53 | fn wrap_reader(reader: R, settings: Self::Settings) -> Self::Reader { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for the crate [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | / #![warn(missing_docs)] [INFO] [stdout] 2 | | #![allow(clippy::redundant_closure)] [INFO] [stdout] 3 | | #![allow(clippy::new_without_default)] [INFO] [stdout] 4 | | [INFO] [stdout] ... | [INFO] [stdout] 215 | | } [INFO] [stdout] 216 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a module [INFO] [stdout] --> src/main.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | pub mod compose; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a function [INFO] [stdout] --> src/compose.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn compose_push_record_message(record: &Record) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a function [INFO] [stdout] --> src/compose.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn compose_init_message(storage: &Storage) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/parse/csv.rs:27:1 [INFO] [stdout] | [INFO] [stdout] 27 | / pub struct CsvReader(csv::StringRecordsIntoIter) [INFO] [stdout] 28 | | where [INFO] [stdout] 29 | | R: io::Read; [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/parse/csv.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn new(reader: R, headers: Vec, delimiter: Option) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/parse/json.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/parse/json.rs:19:1 [INFO] [stdout] | [INFO] [stdout] 19 | / pub struct JsonReader(Lines>) [INFO] [stdout] 20 | | where [INFO] [stdout] 21 | | R: io::Read; [INFO] [stdout] | |________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/parse/json.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(reader: R) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/parse/mod.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | headers: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct field [INFO] [stdout] --> src/parse/mod.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | delimiter: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/parse/mod.rs:38:1 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct ReadError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a module [INFO] [stdout] --> src/main.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | pub mod prelude; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a struct [INFO] [stdout] --> src/server/session.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | / pub struct WsSessionState [INFO] [stdout] 9 | | where [INFO] [stdout] 10 | | R: 'static + io::Read, [INFO] [stdout] 11 | | P: Parser, [INFO] [stdout] 12 | | { [INFO] [stdout] 13 | | addr: Addr>, [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/server/session.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn new(addr: Addr>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a variant [INFO] [stdout] --> src/server/mod.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | Parse, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a variant [INFO] [stdout] --> src/server/mod.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | Storage(StorageError), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/server/mod.rs:54:5 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn new() -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a function [INFO] [stdout] --> src/server/mod.rs:199:1 [INFO] [stdout] | [INFO] [stdout] 199 | / pub fn ws_handshake( [INFO] [stdout] 200 | | req: &HttpRequest>, [INFO] [stdout] 201 | | ) -> Result [INFO] [stdout] 202 | | where [INFO] [stdout] ... | [INFO] [stdout] 212 | | ) [INFO] [stdout] 213 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/storage.rs:156:5 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for an associated function [INFO] [stdout] --> src/storage.rs:160:5 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn records_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/server/mod.rs:151:9 [INFO] [stdout] | [INFO] [stdout] 151 | msg.addr.do_send(WsMessage(message.to_string())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "572926eca1f70ec55ca9b27d09ffa491d052099e4937fc73a49c75f22c56170a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "572926eca1f70ec55ca9b27d09ffa491d052099e4937fc73a49c75f22c56170a", kill_on_drop: false }` [INFO] [stdout] 572926eca1f70ec55ca9b27d09ffa491d052099e4937fc73a49c75f22c56170a