[INFO] cloning repository https://github.com/artpeixoto/hyperparallel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artpeixoto/hyperparallel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fhyperparallel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fhyperparallel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ece077c9f8085ab2396506dd35456b36d30c330
[INFO] checking artpeixoto/hyperparallel against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartpeixoto%2Fhyperparallel" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/artpeixoto/hyperparallel
[INFO] finished tweaking git repo https://github.com/artpeixoto/hyperparallel
[INFO] tweaked toml for git repo https://github.com/artpeixoto/hyperparallel written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/artpeixoto/hyperparallel on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/artpeixoto/hyperparallel 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4878bf58710cf482db1cf9281fc59242f207b71abcc96746dc5e5fd495cc5bb1
[INFO] running `Command { std: "docker" "start" "-a" "4878bf58710cf482db1cf9281fc59242f207b71abcc96746dc5e5fd495cc5bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4878bf58710cf482db1cf9281fc59242f207b71abcc96746dc5e5fd495cc5bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4878bf58710cf482db1cf9281fc59242f207b71abcc96746dc5e5fd495cc5bb1", kill_on_drop: false }`
[INFO] [stdout] 4878bf58710cf482db1cf9281fc59242f207b71abcc96746dc5e5fd495cc5bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0023b2aae7defddd637dc7de421edd99bac1e9974f6887e877659fbe14ed4163
[INFO] running `Command { std: "docker" "start" "-a" "0023b2aae7defddd637dc7de421edd99bac1e9974f6887e877659fbe14ed4163", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking syncpool v0.1.6
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking hyperparallel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Itertools`
[INFO] [stdout]  --> src/data_pipes/base.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::{Either, Itertools};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/data_pipes/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `RwLock`, and `TryLockError`
[INFO] [stdout]  --> src/data_pipes/channel/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/data_pipes/channel/in_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/data_pipes/channel/out_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryLockResult`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Mutex, TryLockResult};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heapless::mpmc::MpMcQueue`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use heapless::mpmc::MpMcQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChannelStatusRef`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::data_pipes::channel::{ChannelStatusRef, make_channels};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResLockingFn` and `data_sink::FnDataSink`
[INFO] [stdout]  --> src/processes/port.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{base::{ProcStatus, Process, ResLockingFn}, data_sink::FnDataSink};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/runner/runner_builder.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperparallel` (lib) due to 1 previous error; 19 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `RLPortProcess` is never constructed
[INFO] [stdout]  --> src/processes/port.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RLPortProcess<TPort, TVal, TFn, TCtx>
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/processes/port.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | / impl<TPort, TVal, TFn, TCtx>
[INFO] [stdout] 62 | |     RLPortProcess<TPort, TVal, TFn, TCtx>
[INFO] [stdout] 63 | |     where 
[INFO] [stdout] 64 | |         TPort                : ReadPort<TVal>,
[INFO] [stdout] 65 | |         TFn                 : Fn(&mut TCtx, &TVal) -> ProcStatus + Clone ,
[INFO] [stdout]    | |__________________________________________________________________________- associated function in this implementation
[INFO] [stdout] 66 |   {
[INFO] [stdout] 67 |       fn new(port: TPort,  fn_execute: TFn, ctx: TCtx) -> Self{
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FnMutCallable` is never used
[INFO] [stdout]  --> src/runner/fn_list.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FnMutCallable {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnMutList` is never constructed
[INFO] [stdout]   --> src/runner/fn_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FnMutList<TFnRest: FnMutCallable> (TFnRest);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/runner/fn_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl FnMutList<()> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     fn new() -> Self{ Self(()) }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/runner/fn_list.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<TFnRest: FnMutCallable> FnMutList<TFnRest> {
[INFO] [stdout]    | ----------------------------------------------- method in this implementation
[INFO] [stdout] 22 |     fn push<TFnNew: FnMut()>(self, elem: TFnNew) -> FnMutList<(TFnNew, TFnRest)>{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runner` is never constructed
[INFO] [stdout]  --> src/runner/runner_builder.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Runner<TFn: FnMut()>{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OuterInterleaver` is never constructed
[INFO] [stdout]  --> src/runner/runner_builder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct OuterInterleaver<TIter:Iterator>{
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/runner/runner_builder.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<TIter: Iterator> OuterInterleaver<TIter> {
[INFO] [stdout]    | --------------------------------------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(iterators: Vec<TIter>) -> Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Itertools`
[INFO] [stdout]  --> src/data_pipes/base.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::{Either, Itertools};
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/data_pipes/channel/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `RwLock`, and `TryLockError`
[INFO] [stdout]  --> src/data_pipes/channel/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/data_pipes/channel/in_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `RwLock`
[INFO] [stdout]  --> src/data_pipes/channel/out_channel.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{Arc, RwLock, TryLockError};
[INFO] [stdout]   |                 ^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryLockResult`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::{Arc, Mutex, TryLockResult};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Receiver` and `Sender`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam_channel::{Receiver, Sender};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heapless::mpmc::MpMcQueue`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use heapless::mpmc::MpMcQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ChannelStatusRef`
[INFO] [stdout]  --> src/data_pipes/common_heap/mod.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::data_pipes::channel::{ChannelStatusRef, make_channels};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ResLockingFn` and `data_sink::FnDataSink`
[INFO] [stdout]  --> src/processes/port.rs:6:41
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::{base::{ProcStatus, Process, ResLockingFn}, data_sink::FnDataSink};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`, and `ops::RangeBounds`
[INFO] [stdout]    --> src/processes/port.rs:403:12
[INFO] [stdout]     |
[INFO] [stdout] 403 |     use std::{ops::RangeBounds, sync::{Arc, Mutex}};
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^         ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syncpool::SyncPool`
[INFO] [stdout]    --> src/processes/port.rs:404:6
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use syncpool::SyncPool;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `data_pipes::common_heap::*` and `processes::port::WLPortProcess`
[INFO] [stdout]    --> src/processes/port.rs:405:14
[INFO] [stdout]     |
[INFO] [stdout] 405 |     use crate::{data_pipes::common_heap::*, processes::port::WLPortProcess};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `RLPortProcess` is never constructed
[INFO] [stdout]  --> src/processes/port.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RLPortProcess<TPort, TVal, TFn, TCtx>
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/processes/port.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | / impl<TPort, TVal, TFn, TCtx>
[INFO] [stdout] 62 | |     RLPortProcess<TPort, TVal, TFn, TCtx>
[INFO] [stdout] 63 | |     where 
[INFO] [stdout] 64 | |         TPort                : ReadPort<TVal>,
[INFO] [stdout] 65 | |         TFn                 : Fn(&mut TCtx, &TVal) -> ProcStatus + Clone ,
[INFO] [stdout]    | |__________________________________________________________________________- associated function in this implementation
[INFO] [stdout] 66 |   {
[INFO] [stdout] 67 |       fn new(port: TPort,  fn_execute: TFn, ctx: TCtx) -> Self{
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FnMutCallable` is never used
[INFO] [stdout]  --> src/runner/fn_list.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FnMutCallable {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnMutList` is never constructed
[INFO] [stdout]   --> src/runner/fn_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FnMutList<TFnRest: FnMutCallable> (TFnRest);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/runner/fn_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl FnMutList<()> {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 18 |     fn new() -> Self{ Self(()) }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/runner/fn_list.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<TFnRest: FnMutCallable> FnMutList<TFnRest> {
[INFO] [stdout]    | ----------------------------------------------- method in this implementation
[INFO] [stdout] 22 |     fn push<TFnNew: FnMut()>(self, elem: TFnNew) -> FnMutList<(TFnNew, TFnRest)>{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Runner` is never constructed
[INFO] [stdout]  --> src/runner/runner_builder.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Runner<TFn: FnMut()>{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperparallel` (lib test) due to 1 previous error; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0023b2aae7defddd637dc7de421edd99bac1e9974f6887e877659fbe14ed4163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0023b2aae7defddd637dc7de421edd99bac1e9974f6887e877659fbe14ed4163", kill_on_drop: false }`
[INFO] [stdout] 0023b2aae7defddd637dc7de421edd99bac1e9974f6887e877659fbe14ed4163
