[INFO] cloning repository https://github.com/azin-cn/rust-note
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azin-cn/rust-note" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazin-cn%2Frust-note", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazin-cn%2Frust-note'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b70dfebc54334f637ef729684b98167cf639e4f1
[INFO] checking azin-cn/rust-note against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazin-cn%2Frust-note" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/azin-cn/rust-note
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/azin-cn/rust-note
[INFO] tweaked toml for git repo https://github.com/azin-cn/rust-note written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azin-cn/rust-note on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/azin-cn/rust-note 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c279436363c07c7a74dfce82bda1d7c1d6e060bcfc9d96c2ff741f6cd16c09a0
[INFO] running `Command { std: "docker" "start" "-a" "c279436363c07c7a74dfce82bda1d7c1d6e060bcfc9d96c2ff741f6cd16c09a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c279436363c07c7a74dfce82bda1d7c1d6e060bcfc9d96c2ff741f6cd16c09a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c279436363c07c7a74dfce82bda1d7c1d6e060bcfc9d96c2ff741f6cd16c09a0", kill_on_drop: false }`
[INFO] [stdout] c279436363c07c7a74dfce82bda1d7c1d6e060bcfc9d96c2ff741f6cd16c09a0
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b45e17a0fd5f0fd64812ebf4e4762ccb23f590da856465c752ca18e3f7e4b1c
[INFO] running `Command { std: "docker" "start" "-a" "4b45e17a0fd5f0fd64812ebf4e4762ccb23f590da856465c752ca18e3f7e4b1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking atoi v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking polling v3.7.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-io v2.3.3
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking mini-redis v0.4.1
[INFO] [stderr]     Checking ilearn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]    --> src/lib.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn search<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/lib.rs:207:35
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn search<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]    --> src/lib.rs:227:41
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn search_case_insensitive_fail<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/lib.rs:227:57
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn search_case_insensitive_fail<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/threadpool/mod.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (mut sender, mut receiver) = mpsc::channel::<Job>();
[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/threadpool/mod.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (mut sender, mut receiver) = mpsc::channel::<Job>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]    --> src/lib.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn search<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/lib.rs:207:35
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub fn search<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanTable` is never used
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cleanTable() {}
[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 `clean` is never used
[INFO] [stdout]  --> src/front_of_house/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn clean() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn take_order() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cooking` is never used
[INFO] [stdout]  --> src/back_of_house/cooking.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cooking() {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]    --> src/lib.rs:227:41
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn search_case_insensitive_fail<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanTable` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cleanTable() {}
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `clean_table`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]    --> src/lib.rs:227:57
[INFO] [stdout]     |
[INFO] [stdout] 227 | pub fn search_case_insensitive_fail<'a>(query: &'a str, content: &'a str) -> Vec<&'a str> {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Foo` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn Foo() {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case (notice the capitalization): `foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/threadpool/mod.rs:120:14
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (mut sender, mut receiver) = mpsc::channel::<Job>();
[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/threadpool/mod.rs:120:26
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let (mut sender, mut receiver) = mpsc::channel::<Job>();
[INFO] [stdout]     |                          ----^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanTable` is never used
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cleanTable() {}
[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 `clean` is never used
[INFO] [stdout]  --> src/front_of_house/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn clean() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn take_order() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cooking` is never used
[INFO] [stdout]  --> src/back_of_house/cooking.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn cooking() {}
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cleanTable` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn cleanTable() {}
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `clean_table`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Foo` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub fn Foo() {}
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case (notice the capitalization): `foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/threadpool/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.sender.as_ref().unwrap().send(box_f);
[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] 143 |         let _ = self.sender.as_ref().unwrap().send(box_f);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/threadpool/mod.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         self.sender.as_ref().unwrap().send(box_f);
[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] 143 |         let _ = self.sender.as_ref().unwrap().send(box_f);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     task::{self, ArcWake},
[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: `self`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     task::{self, ArcWake},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `init` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:727:9
[INFO] [stdout]     |
[INFO] [stdout] 727 |         init,
[INFO] [stdout]     |         ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `pending` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:728:9
[INFO] [stdout]     |
[INFO] [stdout] 728 |         pending,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `Pending`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `init` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:727:9
[INFO] [stdout]     |
[INFO] [stdout] 727 |         init,
[INFO] [stdout]     |         ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `pending` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:728:9
[INFO] [stdout]     |
[INFO] [stdout] 728 |         pending,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `Pending`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `completed` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:729:9
[INFO] [stdout]     |
[INFO] [stdout] 729 |         completed,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Completed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `completed` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:729:9
[INFO] [stdout]     |
[INFO] [stdout] 729 |         completed,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Completed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Poll` is never used
[INFO] [stdout]    --> src/main.rs:654:10
[INFO] [stdout]     |
[INFO] [stdout] 654 |     enum Poll<T> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SimpleFuture` is never used
[INFO] [stdout]    --> src/main.rs:658:11
[INFO] [stdout]     |
[INFO] [stdout] 658 |     trait SimpleFuture {
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Join` is never constructed
[INFO] [stdout]    --> src/main.rs:688:16
[INFO] [stdout]     |
[INFO] [stdout] 688 |     pub struct Join<FutureA, FutureB> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> bin/server.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (stream, addr) = listener.accept().await?;
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> bin/server.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let (stream, addr) = listener.accept().await?;
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "4b45e17a0fd5f0fd64812ebf4e4762ccb23f590da856465c752ca18e3f7e4b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b45e17a0fd5f0fd64812ebf4e4762ccb23f590da856465c752ca18e3f7e4b1c", kill_on_drop: false }`
[INFO] [stdout] 4b45e17a0fd5f0fd64812ebf4e4762ccb23f590da856465c752ca18e3f7e4b1c
