[INFO] cloning repository https://github.com/IRjSI/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IRjSI/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIRjSI%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIRjSI%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ee76dd9b27a5722ca301c27802312e9f710ac6b
[INFO] checking IRjSI/rust against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIRjSI%2Frust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IRjSI/rust
[INFO] finished tweaking git repo https://github.com/IRjSI/rust
[INFO] tweaked toml for git repo https://github.com/IRjSI/rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IRjSI/rust on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IRjSI/rust 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" "+63132bd615c9bf75e93af8405d00064212331708" "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 IRjSI/rust against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIRjSI%2Frust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/IRjSI/rust
[INFO] finished tweaking git repo https://github.com/IRjSI/rust
[INFO] tweaked toml for git repo https://github.com/IRjSI/rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/IRjSI/rust on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/IRjSI/rust 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" "+63132bd615c9bf75e93af8405d00064212331708" "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 scraper v0.20.0
[INFO] [stderr]   Downloaded ego-tree v0.6.3
[INFO] [stderr]   Downloaded servo_arc v0.3.0
[INFO] [stderr]   Downloaded selectors v0.25.0
[INFO] [stderr]   Downloaded hello v1.0.4
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded trpl v0.3.0
[INFO] [stderr]   Downloaded cssparser v0.31.2
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded webpki-roots v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 619bbd4e3d4012e87ce51455b4ed8d81e914c711759f00225ec5c78fcb27d29e
[INFO] running `Command { std: "docker" "start" "-a" "619bbd4e3d4012e87ce51455b4ed8d81e914c711759f00225ec5c78fcb27d29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "619bbd4e3d4012e87ce51455b4ed8d81e914c711759f00225ec5c78fcb27d29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619bbd4e3d4012e87ce51455b4ed8d81e914c711759f00225ec5c78fcb27d29e", kill_on_drop: false }`
[INFO] [stdout] 619bbd4e3d4012e87ce51455b4ed8d81e914c711759f00225ec5c78fcb27d29e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e2fbb3717c66ba4124b6572578f65372e6fba3eba2c7d5892111d4d0fa00b0c
[INFO] running `Command { std: "docker" "start" "-a" "3e2fbb3717c66ba4124b6572578f65372e6fba3eba2c7d5892111d4d0fa00b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking webpki-roots v1.0.3
[INFO] [stderr]     Checking dtoa-short v0.3.5
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking servo_arc v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking ego-tree v0.6.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking hello v1.0.4
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking hyper-util v0.1.17
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking scraper v0.20.0
[INFO] [stderr]     Checking url v2.5.7
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.12.24
[INFO] [stderr]     Checking trpl v0.3.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking rust-time v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     workers: Vec<Worker>
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 28 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     workers: Vec<Worker>
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 28 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[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: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[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: `std::thread`
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/async_await/tcp_chat_broadcast.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut clients = clients.lock().unwrap();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/async_await/tcp_chat_broadcast.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut clients = clients.lock().unwrap();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]  --> src/porjs/todo_cli.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Task {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `todo_cli` is never used
[INFO] [stdout]   --> src/porjs/todo_cli.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn todo_cli() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn create() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn read() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn delete() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edit` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn edit() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]  --> src/porjs/todo_cli.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Task {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `frequency_counter` is never used
[INFO] [stdout]   --> src/concurrency/threads.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn frequency_counter() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `todo_cli` is never used
[INFO] [stdout]   --> src/porjs/todo_cli.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn todo_cli() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `downloader` is never used
[INFO] [stdout]  --> src/concurrency/downloader.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn downloader() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn tcp_server() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn create() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn read() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection_with_response` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn handle_connection_with_response(mut stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn delete() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]   --> src/async_await/tcp_server_multithreaded.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn tcp_server() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `edit` is never used
[INFO] [stdout]   --> src/porjs/noter.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn edit() -> io::Result<()> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `frequency_counter` is never used
[INFO] [stdout]   --> src/concurrency/threads.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn frequency_counter() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/async_await/tcp_server_multithreaded.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `downloader` is never used
[INFO] [stdout]  --> src/concurrency/downloader.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn downloader() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]  --> src/async_await/tcp_chat_broadcast.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn tcp_server() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn tcp_server() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> src/async_await/tcp_chat_broadcast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn handle_client(stream: TcpStream, clients: Arc<Mutex<Vec<TcpStream>>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle_connection(stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection_with_response` is never used
[INFO] [stdout]   --> src/async_await/tcp_server.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn handle_connection_with_response(mut stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]   --> src/async_await/tcp_server_multithreaded.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn tcp_server() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_connection` is never used
[INFO] [stdout]   --> src/async_await/tcp_server_multithreaded.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn handle_connection(mut stream: TcpStream) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tcp_server` is never used
[INFO] [stdout]  --> src/async_await/tcp_chat_broadcast.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn tcp_server() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_client` is never used
[INFO] [stdout]   --> src/async_await/tcp_chat_broadcast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn handle_client(stream: TcpStream, clients: Arc<Mutex<Vec<TcpStream>>>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/porjs/noter.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     file.write(content.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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = file.write(content.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/porjs/noter.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     file.write(content.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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let _ = file.write(content.as_bytes());
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/porjs/noter.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fs::remove_file(path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let _ = fs::remove_file(path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/porjs/noter.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fs::remove_file(path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let _ = fs::remove_file(path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.48s
[INFO] running `Command { std: "docker" "inspect" "3e2fbb3717c66ba4124b6572578f65372e6fba3eba2c7d5892111d4d0fa00b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e2fbb3717c66ba4124b6572578f65372e6fba3eba2c7d5892111d4d0fa00b0c", kill_on_drop: false }`
[INFO] [stdout] 3e2fbb3717c66ba4124b6572578f65372e6fba3eba2c7d5892111d4d0fa00b0c
