[INFO] fetching crate ctchi 0.19.1... [INFO] checking ctchi-0.19.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate ctchi 0.19.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ctchi 0.19.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ctchi 0.19.1 [INFO] finished tweaking crates.io crate ctchi 0.19.1 [INFO] tweaked toml for crates.io crate ctchi 0.19.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate ctchi 0.19.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v1.0.4 [INFO] [stderr] Downloaded proc-macro2 v1.0.12 [INFO] [stderr] Downloaded syn v1.0.20 [INFO] [stderr] Downloaded ctchi_codegen v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 126ccabb213f3b0e49f3f8dcfe67b830cd452bae394baacea8d8b8a226513d40 [INFO] running `Command { std: "docker" "start" "-a" "126ccabb213f3b0e49f3f8dcfe67b830cd452bae394baacea8d8b8a226513d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "126ccabb213f3b0e49f3f8dcfe67b830cd452bae394baacea8d8b8a226513d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "126ccabb213f3b0e49f3f8dcfe67b830cd452bae394baacea8d8b8a226513d40", kill_on_drop: false }` [INFO] [stdout] 126ccabb213f3b0e49f3f8dcfe67b830cd452bae394baacea8d8b8a226513d40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e9edb561382872814734abbd095a46ffef4a7c98c03c2aab2577051235cbc97 [INFO] running `Command { std: "docker" "start" "-a" "0e9edb561382872814734abbd095a46ffef4a7c98c03c2aab2577051235cbc97", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.20 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling ctchi_codegen v0.2.0 [INFO] [stderr] Checking ctchi v0.19.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Datelike`, `Timelike` [INFO] [stdout] --> src/log/logger.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono::{Datelike, Timelike, Utc}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/log/logger.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{File, OpenOptions}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/log/logger.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Datelike`, `Timelike` [INFO] [stdout] --> src/log/logger.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono::{Datelike, Timelike, Utc}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/log/logger.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{File, OpenOptions}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/log/logger.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/core/thread_pool.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/core/thread_pool.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 48 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/core/thread_pool.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/core/thread_pool.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 48 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/log/logger.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | file.write_all(log_message.as_bytes()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = file.write_all(log_message.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/log/logger.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | file.write_all(log_message.as_bytes()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = file.write_all(log_message.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | logger::init(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = logger::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | logger::init(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = logger::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.70s [INFO] running `Command { std: "docker" "inspect" "0e9edb561382872814734abbd095a46ffef4a7c98c03c2aab2577051235cbc97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e9edb561382872814734abbd095a46ffef4a7c98c03c2aab2577051235cbc97", kill_on_drop: false }` [INFO] [stdout] 0e9edb561382872814734abbd095a46ffef4a7c98c03c2aab2577051235cbc97 [INFO] checking ctchi-0.19.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate ctchi 0.19.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ctchi 0.19.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ctchi 0.19.1 [INFO] finished tweaking crates.io crate ctchi 0.19.1 [INFO] tweaked toml for crates.io crate ctchi 0.19.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate ctchi 0.19.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 50d0aa78783db2c775c46b27f2c33dad63762c035ef719a4b46d9bc44b3cb32d [INFO] running `Command { std: "docker" "start" "-a" "50d0aa78783db2c775c46b27f2c33dad63762c035ef719a4b46d9bc44b3cb32d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "50d0aa78783db2c775c46b27f2c33dad63762c035ef719a4b46d9bc44b3cb32d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50d0aa78783db2c775c46b27f2c33dad63762c035ef719a4b46d9bc44b3cb32d", kill_on_drop: false }` [INFO] [stdout] 50d0aa78783db2c775c46b27f2c33dad63762c035ef719a4b46d9bc44b3cb32d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a63ea3098c122c0df5b1791cc9245e79b64b2bfe2aac7b39c6646755a007f36 [INFO] running `Command { std: "docker" "start" "-a" "2a63ea3098c122c0df5b1791cc9245e79b64b2bfe2aac7b39c6646755a007f36", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.20 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling ctchi_codegen v0.2.0 [INFO] [stderr] Checking ctchi v0.19.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Datelike`, `Timelike` [INFO] [stdout] --> src/log/logger.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono::{Datelike, Timelike, Utc}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/log/logger.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{File, OpenOptions}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/log/logger.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Datelike`, `Timelike` [INFO] [stdout] --> src/log/logger.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use chrono::{Datelike, Timelike, Utc}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `File` [INFO] [stdout] --> src/log/logger.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{File, OpenOptions}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/log/logger.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/core/thread_pool.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/core/thread_pool.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 48 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/log/logger.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | file.write_all(log_message.as_bytes()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = file.write_all(log_message.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `workers` is never read [INFO] [stdout] --> src/core/thread_pool.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ThreadPool { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 5 | workers: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `thread` are never read [INFO] [stdout] --> src/core/thread_pool.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Worker { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 48 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | thread: thread::JoinHandle<()>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/log/logger.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | file.write_all(log_message.as_bytes()); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = file.write_all(log_message.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | logger::init(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = logger::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | logger::init(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = logger::init(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.72s [INFO] running `Command { std: "docker" "inspect" "2a63ea3098c122c0df5b1791cc9245e79b64b2bfe2aac7b39c6646755a007f36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a63ea3098c122c0df5b1791cc9245e79b64b2bfe2aac7b39c6646755a007f36", kill_on_drop: false }` [INFO] [stdout] 2a63ea3098c122c0df5b1791cc9245e79b64b2bfe2aac7b39c6646755a007f36