[INFO] cloning repository https://github.com/RobJenks/simulated-annealing-optimisation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobJenks/simulated-annealing-optimisation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fsimulated-annealing-optimisation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fsimulated-annealing-optimisation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6aa4b3c9f41a48a3fcbca4f3713715a127f74e1d
[INFO] checking RobJenks/simulated-annealing-optimisation against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fsimulated-annealing-optimisation" "/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/RobJenks/simulated-annealing-optimisation
[INFO] finished tweaking git repo https://github.com/RobJenks/simulated-annealing-optimisation
[INFO] tweaked toml for git repo https://github.com/RobJenks/simulated-annealing-optimisation written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RobJenks/simulated-annealing-optimisation on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RobJenks/simulated-annealing-optimisation 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking RobJenks/simulated-annealing-optimisation against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobJenks%2Fsimulated-annealing-optimisation" "/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/RobJenks/simulated-annealing-optimisation
[INFO] finished tweaking git repo https://github.com/RobJenks/simulated-annealing-optimisation
[INFO] tweaked toml for git repo https://github.com/RobJenks/simulated-annealing-optimisation written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RobJenks/simulated-annealing-optimisation on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RobJenks/simulated-annealing-optimisation 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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4
[INFO] running `Command { std: "docker" "start" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking simulated-annealing-optimisation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::channel;
[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: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/solver/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::mpsc::channel;
[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: `crate::base::*`
[INFO] [stdout]  --> src/system/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::solvable::Solvable`
[INFO] [stdout]  --> src/system/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::system::solvable::Solvable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/system/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/solver/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/systems/debug/state.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{self, Rng};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::base::*`
[INFO] [stdout]  --> src/system/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::base::*`
[INFO] [stdout]  --> src/systems/debug/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::solvable::Solvable`
[INFO] [stdout]  --> src/system/state.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::system::solvable::Solvable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]   --> src/system/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::borrow::BorrowMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::solvable::Solvable`
[INFO] [stdout]  --> src/systems/debug/state.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::system::solvable::Solvable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Rng`
[INFO] [stdout]  --> src/systems/debug/state.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{self, Rng};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/systems/debug/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::base::*`
[INFO] [stdout]  --> src/systems/debug/state.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::state::State`
[INFO] [stdout]  --> src/systems/salesman/solvable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::system::state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::solvable::Solvable`
[INFO] [stdout]  --> src/systems/debug/state.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::system::solvable::Solvable;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::channel`
[INFO] [stdout]  --> src/systems/debug/state.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::system::state::State`
[INFO] [stdout]  --> src/systems/salesman/solvable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::system::state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_debug` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn run_debug() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `StateCost` is never used
[INFO] [stdout]   --> src/base/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type StateCost = f64;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command_receiver` is never read
[INFO] [stdout]   --> src/solver/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Solver<TState>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     command_receiver: Receiver<Command>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/solver/command.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Terminate(SolverId),
[INFO] [stdout]   |     --------- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Terminate(SolverId),
[INFO] [stdout] 5 +     Terminate(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Noop` is never constructed
[INFO] [stdout]  --> src/solver/command.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Command {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 4 |     Noop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `solver_id` is never read
[INFO] [stdout]  --> src/solver/result.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SolverResult<TState> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |     solver_id: SolverId,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_solver_id` is never used
[INFO] [stdout]   --> src/solver/result.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl <TState> SolverResult<TState> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get_solver_id(&self) -> SolverId { self.solver_id }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Noop` is never constructed
[INFO] [stdout]  --> src/solver/signal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum SolverSignal {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 5 |     Noop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SolverSignal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shutdown_requested` and `terminate_solver_by_id` are never used
[INFO] [stdout]    --> src/system/mod.rs:61:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | / impl<TState> System<TState>
[INFO] [stdout]  33 | |     where TState: 'static + State {
[INFO] [stdout]     | |_________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  61 |       fn shutdown_requested(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |       fn terminate_solver_by_id(&mut self, solver_id: &SolverId) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_optimising_iteration_count` and `derive_state_cost` are never used
[INFO] [stdout]   --> src/system/solvable.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait Solvable<TState> : Send
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_optimising_iteration_count(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn derive_state_cost(&self, state: &TState) -> StateCost;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugState` is never constructed
[INFO] [stdout]  --> src/systems/debug/state.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DebugState {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_value` are never used
[INFO] [stdout]   --> src/systems/debug/state.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DebugState {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(value: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_value(&self) -> i32 { self.value }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugSolvable` is never constructed
[INFO] [stdout]  --> src/systems/debug/solvable.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DebugSolvable { }
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/systems/debug/solvable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl DebugSolvable {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 8 |     pub fn new() -> Self { Self { } }
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/systems/salesman/city.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct TravellingSalesmanCity {
[INFO] [stdout]   |            ---------------------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TravellingSalesmanCity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_debug` is never used
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn run_debug() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `StateCost` is never used
[INFO] [stdout]   --> src/base/mod.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type StateCost = f64;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command_receiver` is never read
[INFO] [stdout]   --> src/solver/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Solver<TState>
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     command_receiver: Receiver<Command>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/solver/command.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Terminate(SolverId),
[INFO] [stdout]   |     --------- ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 -     Terminate(SolverId),
[INFO] [stdout] 5 +     Terminate(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Noop` is never constructed
[INFO] [stdout]  --> src/solver/command.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Command {
[INFO] [stdout]   |          ------- variant in this enum
[INFO] [stdout] 4 |     Noop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `solver_id` is never read
[INFO] [stdout]  --> src/solver/result.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SolverResult<TState> {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 4 |     solver_id: SolverId,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_solver_id` is never used
[INFO] [stdout]   --> src/solver/result.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl <TState> SolverResult<TState> {
[INFO] [stdout]    | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get_solver_id(&self) -> SolverId { self.solver_id }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Noop` is never constructed
[INFO] [stdout]  --> src/solver/signal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum SolverSignal {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 5 |     Noop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SolverSignal` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `shutdown_requested` and `terminate_solver_by_id` are never used
[INFO] [stdout]    --> src/system/mod.rs:61:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | / impl<TState> System<TState>
[INFO] [stdout]  33 | |     where TState: 'static + State {
[INFO] [stdout]     | |_________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  61 |       fn shutdown_requested(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |       fn terminate_solver_by_id(&mut self, solver_id: &SolverId) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_optimising_iteration_count` and `derive_state_cost` are never used
[INFO] [stdout]   --> src/system/solvable.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait Solvable<TState> : Send
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_optimising_iteration_count(&self) -> usize;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn derive_state_cost(&self, state: &TState) -> StateCost;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugState` is never constructed
[INFO] [stdout]  --> src/systems/debug/state.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct DebugState {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_value` are never used
[INFO] [stdout]   --> src/systems/debug/state.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DebugState {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(value: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_value(&self) -> i32 { self.value }
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DebugSolvable` is never constructed
[INFO] [stdout]  --> src/systems/debug/solvable.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct DebugSolvable { }
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/systems/debug/solvable.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl DebugSolvable {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 8 |     pub fn new() -> Self { Self { } }
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/systems/salesman/city.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct TravellingSalesmanCity {
[INFO] [stdout]   |            ---------------------- field in this struct
[INFO] [stdout] 3 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TravellingSalesmanCity` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/solver/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             output.send(SolverResult::new(id, state));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let _ = output.send(SolverResult::new(id, state));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/solver/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.signal_sender.send(SolverSignal::Complete(self.id));
[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] 72 |         let _ = self.signal_sender.send(SolverSignal::Complete(self.id));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/solver/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             output.send(SolverResult::new(id, state));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |             let _ = output.send(SolverResult::new(id, state));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/solver/mod.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         self.signal_sender.send(SolverSignal::Complete(self.id));
[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] 72 |         let _ = self.signal_sender.send(SolverSignal::Complete(self.id));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4", kill_on_drop: false }`
[INFO] [stdout] 5a1678fb3453ccf67ba6ff7efe2a424bc8ab4200698fa3057a494dd517135ae4
