[INFO] cloning repository https://github.com/MwlLj/rust-pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MwlLj/rust-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c85127efbf1d85f740ace63f803d5ef516de58c5
[INFO] checking MwlLj/rust-pool against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwlLj%2Frust-pool" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MwlLj/rust-pool on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MwlLj/rust-pool
[INFO] finished tweaking git repo https://github.com/MwlLj/rust-pool
[INFO] tweaked toml for git repo https://github.com/MwlLj/rust-pool written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MwlLj/rust-pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d5302b2f6891448cb7c8f8967e9682b91f2df0e410f3306e570dd80148ad60
[INFO] running `Command { std: "docker" "start" "-a" "92d5302b2f6891448cb7c8f8967e9682b91f2df0e410f3306e570dd80148ad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d5302b2f6891448cb7c8f8967e9682b91f2df0e410f3306e570dd80148ad60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d5302b2f6891448cb7c8f8967e9682b91f2df0e410f3306e570dd80148ad60", kill_on_drop: false }`
[INFO] [stdout] 92d5302b2f6891448cb7c8f8967e9682b91f2df0e410f3306e570dd80148ad60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d10c45fef75c3727d5fcafc4ca813567f54d482f23465f48b4b5c7ec9a02bba
[INFO] running `Command { std: "docker" "start" "-a" "9d10c45fef75c3727d5fcafc4ca813567f54d482f23465f48b4b5c7ec9a02bba", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking rust_pool v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/thread/simple/mod.rs (2 fixes)
[INFO] [stderr]        Fixed src/thread/mapping/mod.rs (2 fixes)
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/thread/simple/mod.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threadNo`
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/thread/simple/mod.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     workers: Vec<CWorker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThread`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct CThread {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThreadPool`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CThreadPool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new() -> CThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/thread/simple/mod.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threadNo`
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/thread/simple/mod.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     workers: Vec<CWorker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThread`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct CThread {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThreadPool`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CThreadPool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new() -> CThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(threadNo: usize, receiver: Arc<Mutex<mpsc::Receiver<CJob>>>) -> CWorker {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadPool` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let threadPool = CThreadPool {
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(threadNo: usize, receiver: Arc<Mutex<mpsc::Receiver<CJob>>>) -> CWorker {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadPool` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let threadPool = CThreadPool {
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/simple/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.sender.send(Box::new(f));
[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: variable `notFoundCb` should have a snake case name
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             t.sender.send(Box::new(callback));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 t.sender.send(Box::new(callback));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/simple/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.sender.send(Box::new(f));
[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: variable `notFoundCb` should have a snake case name
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             t.sender.send(Box::new(callback));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 t.sender.send(Box::new(callback));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking rust_pool v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/thread/simple/mod.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threadNo`
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/thread/simple/mod.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     workers: Vec<CWorker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThread`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct CThread {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThreadPool`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CThreadPool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new() -> CThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(threadNo: usize, receiver: Arc<Mutex<mpsc::Receiver<CJob>>>) -> CWorker {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadPool` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let threadPool = CThreadPool {
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/thread/simple/mod.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threadNo`
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `workers`
[INFO] [stdout]   --> src/thread/simple/mod.rs:51:2
[INFO] [stdout]    |
[INFO] [stdout] 51 |     workers: Vec<CWorker>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThread`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct CThread {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CThreadPool`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct CThreadPool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/thread/mapping/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn new() -> CThreadPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/simple/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.sender.send(Box::new(f));
[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: variable `notFoundCb` should have a snake case name
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             t.sender.send(Box::new(callback));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 t.sender.send(Box::new(callback));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     threadNo: usize
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadNo` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn new(threadNo: usize, receiver: Arc<Mutex<mpsc::Receiver<CJob>>>) -> CWorker {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `thread_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `threadPool` should have a snake case name
[INFO] [stdout]   --> src/thread/simple/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let threadPool = CThreadPool {
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `thread_pool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/simple/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |         self.sender.send(Box::new(f));
[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: variable `notFoundCb` should have a snake case name
[INFO] [stdout]   --> src/thread/mapping/mod.rs:29:52
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn execute<NC, F, T>(&mut self, key: &str, notFoundCb: NC, callback: F)
[INFO] [stdout]    |                                                    ^^^^^^^^^^ help: convert the identifier to snake case: `not_found_cb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |             t.sender.send(Box::new(callback));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/thread/mapping/mod.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 t.sender.send(Box::new(callback));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9d10c45fef75c3727d5fcafc4ca813567f54d482f23465f48b4b5c7ec9a02bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d10c45fef75c3727d5fcafc4ca813567f54d482f23465f48b4b5c7ec9a02bba", kill_on_drop: false }`
[INFO] [stdout] 9d10c45fef75c3727d5fcafc4ca813567f54d482f23465f48b4b5c7ec9a02bba