[INFO] cloning repository https://github.com/jeremieSimon/playing_w_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremieSimon/playing_w_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2034699141faea9507f698097887d818f3cde5c
[INFO] checking jeremieSimon/playing_w_rust against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremieSimon/playing_w_rust on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremieSimon/playing_w_rust
[INFO] finished tweaking git repo https://github.com/jeremieSimon/playing_w_rust
[INFO] tweaked toml for git repo https://github.com/jeremieSimon/playing_w_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremieSimon/playing_w_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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derefable v0.1.0
[INFO] [stderr]   Downloaded atomic_refcell v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96750ea08ee4d8a9be318c0b07782141bb4554e7048f6f7983b83af66bdcc8f9
[INFO] running `Command { std: "docker" "start" "-a" "96750ea08ee4d8a9be318c0b07782141bb4554e7048f6f7983b83af66bdcc8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96750ea08ee4d8a9be318c0b07782141bb4554e7048f6f7983b83af66bdcc8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96750ea08ee4d8a9be318c0b07782141bb4554e7048f6f7983b83af66bdcc8f9", kill_on_drop: false }`
[INFO] [stdout] 96750ea08ee4d8a9be318c0b07782141bb4554e7048f6f7983b83af66bdcc8f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ee1bf68dccd4fea55542ec9c3130056547dcd1bf902302595131cdc24ce914
[INFO] running `Command { std: "docker" "start" "-a" "71ee1bf68dccd4fea55542ec9c3130056547dcd1bf902302595131cdc24ce914", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]    Compiling derefable v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking n1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::env::var;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use atomic_refcell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::future::PollableFuture`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::future::PollableFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::env::var;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use atomic_refcell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::future::PollableFuture`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::future::PollableFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/io/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok(((io_sender, io_receiver)))
[INFO] [stdout]    |        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Ok(((io_sender, io_receiver)))
[INFO] [stdout] 20 +     Ok((io_sender, io_receiver))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Poll`
[INFO] [stdout]  --> src/future/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell`
[INFO] [stdout]  --> src/future/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stdout]  --> src/future/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{DerefMut, Deref};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/future/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/io/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok(((io_sender, io_receiver)))
[INFO] [stdout]    |        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Ok(((io_sender, io_receiver)))
[INFO] [stdout] 20 +     Ok((io_sender, io_receiver))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Poll`
[INFO] [stdout]  --> src/future/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell`
[INFO] [stdout]  --> src/future/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stdout]  --> src/future/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{DerefMut, Deref};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/future/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_sender`
[INFO] [stdout]   --> src/pipeline/par_map.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |                          work_sender: Sender<Vec<u8>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_sender`
[INFO] [stdout]   --> src/pipeline/par_map.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |                          work_sender: Sender<Vec<u8>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_sender`
[INFO] [stdout]   --> src/io/mod.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (io_sender, io_receiver) = read(filename).unwrap();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `as_string`
[INFO] [stdout]   --> src/io/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let as_string = std::str::from_utf8(&val).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_sender`
[INFO] [stdout]   --> src/io/mod.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (io_sender, io_receiver) = read(filename).unwrap();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `as_string`
[INFO] [stdout]   --> src/io/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let as_string = std::str::from_utf8(&val).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/graph/io_graph.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for (name, f) in name_and_funcs {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/graph/io_graph.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for (name, f) in name_and_funcs {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/future/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if let r = self.get() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/future/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if let r = self.get() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_out_sender`
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver);
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_out_sender`
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver);
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply` and `map_async` are never used
[INFO] [stdout]   --> src/pipeline/par_map.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MapLikeSeq {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn apply(&self, datum: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn map_async(&self, data: Vec<Vec<u8>>) -> Vec<JoinHandle<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply` and `map_async` are never used
[INFO] [stdout]   --> src/pipeline/par_map.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MapLikeSeq {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn apply(&self, datum: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn map_async(&self, data: Vec<Vec<u8>>) -> Vec<JoinHandle<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl <T> ConcurrentComputeGraph<T> where T: Clone {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl <T> ConcurrentComputeGraph<T> where T: Clone {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl <T> ConcurrentGraphNode<T> where T: Clone {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn empty(f: GraphLikeFunc<T>, m: String) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/graph/concurrent.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode<T> {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] 76 |     pub (in crate::graph) f: GraphLikeFunc<T>,
[INFO] [stdout] 77 |     pub (in crate::graph) name: String,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl <T> ConcurrentGraphNode<T> where T: Clone {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn empty(f: GraphLikeFunc<T>, m: String) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]    --> src/graph/concurrent.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl <T> ConcurrentInternalGraphNode <T> where T: Clone {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/graph/concurrent.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode<T> {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] 76 |     pub (in crate::graph) f: GraphLikeFunc<T>,
[INFO] [stdout] 77 |     pub (in crate::graph) name: String,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/future/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T> Future<T> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Future<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yo` is never used
[INFO] [stdout]   --> src/future/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn yo() -> Arc<impl PollableFuture<String>> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]    --> src/graph/concurrent.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl <T> ConcurrentInternalGraphNode <T> where T: Clone {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/future/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T> Future<T> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Future<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yo` is never used
[INFO] [stdout]   --> src/future/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn yo() -> Arc<impl PollableFuture<String>> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     io::write(filename_out, io_out_receiver);
[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] 60 |     let _ = io::write(filename_out, io_out_receiver);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pipeline/par_map.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             io_out_sender.send(self.apply_async(work));
[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] 59 |             let _ = io_out_sender.send(self.apply_async(work));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         io_sender.send(line.unwrap().as_bytes().to_owned());
[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] 18 |         let _ = io_sender.send(line.unwrap().as_bytes().to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         work_sender.send(bytes);
[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] 33 |         let _ = work_sender.send(bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     io::write(filename_out, io_out_receiver);
[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] 60 |     let _ = io::write(filename_out, io_out_receiver);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pipeline/par_map.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             io_out_sender.send(self.apply_async(work));
[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] 59 |             let _ = io_out_sender.send(self.apply_async(work));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         io_sender.send(line.unwrap().as_bytes().to_owned());
[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] 18 |         let _ = io_sender.send(line.unwrap().as_bytes().to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         work_sender.send(bytes);
[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] 33 |         let _ = work_sender.send(bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "71ee1bf68dccd4fea55542ec9c3130056547dcd1bf902302595131cdc24ce914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ee1bf68dccd4fea55542ec9c3130056547dcd1bf902302595131cdc24ce914", kill_on_drop: false }`
[INFO] [stdout] 71ee1bf68dccd4fea55542ec9c3130056547dcd1bf902302595131cdc24ce914
[INFO] checking jeremieSimon/playing_w_rust against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremieSimon%2Fplaying_w_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremieSimon/playing_w_rust on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremieSimon/playing_w_rust
[INFO] finished tweaking git repo https://github.com/jeremieSimon/playing_w_rust
[INFO] tweaked toml for git repo https://github.com/jeremieSimon/playing_w_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremieSimon/playing_w_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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d271842fb91d5c99f2e5954ce8eefca60834fb8d2cd901bf8116a3f734459440
[INFO] running `Command { std: "docker" "start" "-a" "d271842fb91d5c99f2e5954ce8eefca60834fb8d2cd901bf8116a3f734459440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d271842fb91d5c99f2e5954ce8eefca60834fb8d2cd901bf8116a3f734459440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d271842fb91d5c99f2e5954ce8eefca60834fb8d2cd901bf8116a3f734459440", kill_on_drop: false }`
[INFO] [stdout] d271842fb91d5c99f2e5954ce8eefca60834fb8d2cd901bf8116a3f734459440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dnon_local_definitions" "-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f153301ca652e7382ebc0e83d31879fb859b16184863c122b474a45436b5d19a
[INFO] running `Command { std: "docker" "start" "-a" "f153301ca652e7382ebc0e83d31879fb859b16184863c122b474a45436b5d19a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking atomic_refcell v0.1.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]    Compiling derefable v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking n1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::env::var;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use atomic_refcell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::future::PollableFuture`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::future::PollableFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/io/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok(((io_sender, io_receiver)))
[INFO] [stdout]    |        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Ok(((io_sender, io_receiver)))
[INFO] [stdout] 20 +     Ok((io_sender, io_receiver))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Poll`
[INFO] [stdout]  --> src/future/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell`
[INFO] [stdout]  --> src/future/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stdout]  --> src/future/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{DerefMut, Deref};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/future/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sleep`
[INFO] [stdout]  --> src/main.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{spawn, sleep};
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::pipeline::word_count::WordCount`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::pipeline::word_count::WordCount;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::var`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::env::var;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use atomic_refcell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::future::PollableFuture`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::future::PollableFuture;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/io/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok(((io_sender, io_receiver)))
[INFO] [stdout]    |        ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Ok(((io_sender, io_receiver)))
[INFO] [stdout] 20 +     Ok((io_sender, io_receiver))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::task::Poll`
[INFO] [stdout]  --> src/future/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::Poll;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic_refcell::AtomicRefCell`
[INFO] [stdout]  --> src/future/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use atomic_refcell::AtomicRefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut`, `Deref`
[INFO] [stdout]  --> src/future/mod.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{DerefMut, Deref};
[INFO] [stdout]   |                ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/future/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_sender`
[INFO] [stdout]   --> src/pipeline/par_map.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |                          work_sender: Sender<Vec<u8>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_sender`
[INFO] [stdout]   --> src/pipeline/par_map.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 |                          work_sender: Sender<Vec<u8>>,
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_sender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_sender`
[INFO] [stdout]   --> src/io/mod.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (io_sender, io_receiver) = read(filename).unwrap();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `as_string`
[INFO] [stdout]   --> src/io/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let as_string = std::str::from_utf8(&val).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_sender`
[INFO] [stdout]   --> src/io/mod.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (io_sender, io_receiver) = read(filename).unwrap();
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `as_string`
[INFO] [stdout]   --> src/io/mod.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let as_string = std::str::from_utf8(&val).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_as_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/graph/io_graph.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for (name, f) in name_and_funcs {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/future/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if let r = self.get() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_out_sender`
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver);
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/graph/io_graph.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |             for (name, f) in name_and_funcs {
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply` and `map_async` are never used
[INFO] [stdout]   --> src/pipeline/par_map.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MapLikeSeq {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn apply(&self, datum: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn map_async(&self, data: Vec<Vec<u8>>) -> Vec<JoinHandle<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl <T> ConcurrentComputeGraph<T> where T: Clone {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl <T> ConcurrentGraphNode<T> where T: Clone {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn empty(f: GraphLikeFunc<T>, m: String) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/graph/concurrent.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode<T> {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] 76 |     pub (in crate::graph) f: GraphLikeFunc<T>,
[INFO] [stdout] 77 |     pub (in crate::graph) name: String,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]    --> src/graph/concurrent.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl <T> ConcurrentInternalGraphNode <T> where T: Clone {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/future/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T> Future<T> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Future<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yo` is never used
[INFO] [stdout]   --> src/future/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn yo() -> Arc<impl PollableFuture<String>> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/future/mod.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |             if let r = self.get() {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io_out_sender`
[INFO] [stdout]   --> src/main.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let (io_out_sender, io_out_receiver) = map_like_seq.compute_async(work_sender, work_receiver);
[INFO] [stdout]    |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_io_out_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     io::write(filename_out, io_out_receiver);
[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] 60 |     let _ = io::write(filename_out, io_out_receiver);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pipeline/par_map.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             io_out_sender.send(self.apply_async(work));
[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] 59 |             let _ = io_out_sender.send(self.apply_async(work));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/stupid_work.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_Text`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/stupid_work.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Text`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/stupid_work.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_TextAsTokens`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/stupid_work.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_TextAsTokens`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         io_sender.send(line.unwrap().as_bytes().to_owned());
[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] 18 |         let _ = io_sender.send(line.unwrap().as_bytes().to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         work_sender.send(bytes);
[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] 33 |         let _ = work_sender.send(bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `apply` and `map_async` are never used
[INFO] [stdout]   --> src/pipeline/par_map.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl MapLikeSeq {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn apply(&self, datum: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn map_async(&self, data: Vec<Vec<u8>>) -> Vec<JoinHandle<Vec<u8>>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl <T> ConcurrentComputeGraph<T> where T: Clone {
[INFO] [stdout]    | ------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/graph/concurrent.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl <T> ConcurrentGraphNode<T> where T: Clone {
[INFO] [stdout]    | ---------------------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn empty(f: GraphLikeFunc<T>, m: String) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/graph/concurrent.rs:77:27
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct ConcurrentInternalGraphNode<T> {
[INFO] [stdout]    |            --------------------------- field in this struct
[INFO] [stdout] 76 |     pub (in crate::graph) f: GraphLikeFunc<T>,
[INFO] [stdout] 77 |     pub (in crate::graph) name: String,
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply` is never used
[INFO] [stdout]    --> src/graph/concurrent.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 82  | impl <T> ConcurrentInternalGraphNode <T> where T: Clone {
[INFO] [stdout]     | ------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn apply(&self, datum: Vec<T>) -> Vec<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/future/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl <T> Future<T> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> Future<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yo` is never used
[INFO] [stdout]   --> src/future/mod.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn yo() -> Arc<impl PollableFuture<String>> {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     io::write(filename_out, io_out_receiver);
[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] 60 |     let _ = io::write(filename_out, io_out_receiver);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/pipeline/par_map.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             io_out_sender.send(self.apply_async(work));
[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] 59 |             let _ = io_out_sender.send(self.apply_async(work));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/stupid_work.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_Text`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: requested on the command line with `-D non-local-definitions`
[INFO] [stdout]   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]  --> src/stupid_work.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_Text`
[INFO] [stdout]   = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]   = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/stupid_work.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_SERIALIZE_FOR_TextAsTokens`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-local `impl` definition, they should be avoided as they go against expectation
[INFO] [stdout]   --> src/stupid_work.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: move this `impl` block outside the of the current constant `_IMPL_DESERIALIZE_FOR_TextAsTokens`
[INFO] [stdout]    = note: an `impl` definition is non-local if it is nested inside an item and neither the type nor the trait are at the same nesting level as the `impl` block
[INFO] [stdout]    = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
[INFO] [stdout]    = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         io_sender.send(line.unwrap().as_bytes().to_owned());
[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] 18 |         let _ = io_sender.send(line.unwrap().as_bytes().to_owned());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/io/mod.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         work_sender.send(bytes);
[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] 33 |         let _ = work_sender.send(bytes);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n1` (bin "n1" test) due to 5 previous errors; 32 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 4 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `n1` (bin "n1") due to 5 previous errors; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f153301ca652e7382ebc0e83d31879fb859b16184863c122b474a45436b5d19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f153301ca652e7382ebc0e83d31879fb859b16184863c122b474a45436b5d19a", kill_on_drop: false }`
[INFO] [stdout] f153301ca652e7382ebc0e83d31879fb859b16184863c122b474a45436b5d19a
