[INFO] cloning repository https://github.com/ajstarna/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajstarna/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajstarna%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajstarna%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18b0592f7fb065290e430a640ef4554f62d8dc42
[INFO] checking ajstarna/aoc2021 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajstarna%2Faoc2021" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ajstarna/aoc2021
[INFO] finished tweaking git repo https://github.com/ajstarna/aoc2021
[INFO] tweaked toml for git repo https://github.com/ajstarna/aoc2021 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ajstarna/aoc2021 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ajstarna/aoc2021 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c2f0dc136d05219e73074f8f97ba6f189a424b3b9b2461abcedc94461667735
[INFO] running `Command { std: "docker" "start" "-a" "5c2f0dc136d05219e73074f8f97ba6f189a424b3b9b2461abcedc94461667735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c2f0dc136d05219e73074f8f97ba6f189a424b3b9b2461abcedc94461667735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2f0dc136d05219e73074f8f97ba6f189a424b3b9b2461abcedc94461667735", kill_on_drop: false }`
[INFO] [stdout] 5c2f0dc136d05219e73074f8f97ba6f189a424b3b9b2461abcedc94461667735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c29b264c5f5e7596aaf69bbe653021af595035df174246ab1dec6634621e4f
[INFO] running `Command { std: "docker" "start" "-a" "25c29b264c5f5e7596aaf69bbe653021af595035df174246ab1dec6634621e4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling priority-queue v1.2.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/bin/23-2.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, io};
[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 variable: `input_len`
[INFO] [stdout]    --> src/bin/24.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let input_len = 14;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_len`
[INFO] [stdout]    --> src/bin/24.rs:356:62
[INFO] [stdout]     |
[INFO] [stdout] 356 | ...64, ending_input: u64, input_len: u32, operations: &Vec<Operation>, num_threads: u64, remainder: u64 ) -> Option<u64> {
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operations`
[INFO] [stdout]    --> src/bin/24.rs:356:78
[INFO] [stdout]     |
[INFO] [stdout] 356 | ... u64, input_len: u32, operations: &Vec<Operation>, num_threads: u64, remainder: u64 ) -> Option<u64> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains_zero` is never used
[INFO] [stdout]   --> src/bin/24.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn contains_zero(input: u64, input_len: u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/24.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Register(char),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 39 -     Register(char),
[INFO] [stdout] 39 +     Register(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/24.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Value(i128),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 40 -     Value(i128),
[INFO] [stdout] 40 +     Value(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op_type`, `lhs`, and `rhs` are never read
[INFO] [stdout]   --> src/bin/24.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Operation {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 45 |     op_type: OperationType,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     lhs: RegValue,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     rhs: Option<RegValue>, // if type == Inp, rhs in None
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` 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: enum `RegType` is never used
[INFO] [stdout]   --> src/bin/24.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RegType {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_ops` is never used
[INFO] [stdout]   --> src/bin/24.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn reduce_ops(operations: Vec<Operation>) -> Vec<Operation> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_input` is never used
[INFO] [stdout]    --> src/bin/24.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn run_with_input(input: u64, input_len: u32, operations: &Vec<Operation>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_len`
[INFO] [stdout]    --> src/bin/24.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |     let input_len = 14;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input_len`
[INFO] [stdout]    --> src/bin/24.rs:356:62
[INFO] [stdout]     |
[INFO] [stdout] 356 | ...64, ending_input: u64, input_len: u32, operations: &Vec<Operation>, num_threads: u64, remainder: u64 ) -> Option<u64> {
[INFO] [stdout]     |                           ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operations`
[INFO] [stdout]    --> src/bin/24.rs:356:78
[INFO] [stdout]     |
[INFO] [stdout] 356 | ... u64, input_len: u32, operations: &Vec<Operation>, num_threads: u64, remainder: u64 ) -> Option<u64> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains_zero` is never used
[INFO] [stdout]   --> src/bin/24.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn contains_zero(input: u64, input_len: u32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/24.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Register(char),
[INFO] [stdout]    |     -------- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 39 -     Register(char),
[INFO] [stdout] 39 +     Register(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/24.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Value(i128),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RegValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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] 40 -     Value(i128),
[INFO] [stdout] 40 +     Value(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `op_type`, `lhs`, and `rhs` are never read
[INFO] [stdout]   --> src/bin/24.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct Operation {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 45 |     op_type: OperationType,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     lhs: RegValue,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     rhs: Option<RegValue>, // if type == Inp, rhs in None
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operation` 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: enum `RegType` is never used
[INFO] [stdout]   --> src/bin/24.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum RegType {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reduce_ops` is never used
[INFO] [stdout]   --> src/bin/24.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn reduce_ops(operations: Vec<Operation>) -> Vec<Operation> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_input` is never used
[INFO] [stdout]    --> src/bin/24.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn run_with_input(input: u64, input_len: u32, operations: &Vec<Operation>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/bin/23-3.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, io};
[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: `thread`
[INFO] [stdout]  --> src/bin/25.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[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 variable: `sleep_time`
[INFO] [stdout]    --> src/bin/25.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let sleep_time = time::Duration::from_millis(300);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleep_time`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/bin/23-2.rs:1082:6
[INFO] [stdout]      |
[INFO] [stdout] 1082 |     let mut state = State::new();
[INFO] [stdout]      |         ----^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute_id` is never used
[INFO] [stdout]    --> src/bin/23-2.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn compute_id(&mut 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: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1089:2
[INFO] [stdout]      |
[INFO] [stdout] 1089 |     state.set(7, "A");
[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] 1089 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1090:2
[INFO] [stdout]      |
[INFO] [stdout] 1090 |     state.set(11, "A");    
[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] 1090 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1097:2
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     state.set(7, "A");
[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] 1097 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1098:2
[INFO] [stdout]      |
[INFO] [stdout] 1098 |     state.set(11, "A");    
[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] 1098 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1099:2
[INFO] [stdout]      |
[INFO] [stdout] 1099 |     state.set(8, "B");
[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] 1099 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1100:2
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     state.set(12, "B");    
[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] 1100 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1107:2
[INFO] [stdout]      |
[INFO] [stdout] 1107 |     state.set(7, "A");
[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] 1107 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1108:2
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     state.set(11, "A");    
[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] 1108 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1109:2
[INFO] [stdout]      |
[INFO] [stdout] 1109 |     state.set(8, "B");
[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] 1109 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1110:2
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     state.set(12, "B");    
[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] 1110 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1111:2
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     state.set(9, "C");
[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] 1111 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1112:2
[INFO] [stdout]      |
[INFO] [stdout] 1112 |     state.set(13, "C");    
[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] 1112 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1119:3
[INFO] [stdout]      |
[INFO] [stdout] 1119 |      state.set(7, "A");
[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] 1119 |      let _ = state.set(7, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1120:2
[INFO] [stdout]      |
[INFO] [stdout] 1120 |     state.set(11, "A");    
[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] 1120 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1121:3
[INFO] [stdout]      |
[INFO] [stdout] 1121 |      state.set(15, "A");
[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] 1121 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1122:2
[INFO] [stdout]      |
[INFO] [stdout] 1122 |     state.set(19, "A");
[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] 1122 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1124:2
[INFO] [stdout]      |
[INFO] [stdout] 1124 |     state.set(8, "B");
[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] 1124 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1125:2
[INFO] [stdout]      |
[INFO] [stdout] 1125 |     state.set(12, "B");    
[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] 1125 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1126:2
[INFO] [stdout]      |
[INFO] [stdout] 1126 |     state.set(16, "B");
[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] 1126 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1127:2
[INFO] [stdout]      |
[INFO] [stdout] 1127 |     state.set(20, "B");    
[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] 1127 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1129:2
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     state.set(9, "C");
[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] 1129 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1130:2
[INFO] [stdout]      |
[INFO] [stdout] 1130 |     state.set(13, "C");    
[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] 1130 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1131:2
[INFO] [stdout]      |
[INFO] [stdout] 1131 |     state.set(17, "C");
[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] 1131 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1132:2
[INFO] [stdout]      |
[INFO] [stdout] 1132 |     state.set(21, "C");
[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] 1132 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1134:2
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     state.set(10, "D");
[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] 1134 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1135:2
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     state.set(14, "D");    
[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] 1135 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1136:2
[INFO] [stdout]      |
[INFO] [stdout] 1136 |     state.set(18, "D");
[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] 1136 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1137:2
[INFO] [stdout]      |
[INFO] [stdout] 1137 |     state.set(22, "D");    
[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] 1137 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1146:2
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     state.set(1, "A");
[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] 1146 |     let _ = state.set(1, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1147:2
[INFO] [stdout]      |
[INFO] [stdout] 1147 |     state.set(11, "A");    
[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] 1147 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1148:3
[INFO] [stdout]      |
[INFO] [stdout] 1148 |      state.set(15, "A");
[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] 1148 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1149:2
[INFO] [stdout]      |
[INFO] [stdout] 1149 |     state.set(19, "A");
[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] 1149 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1151:2
[INFO] [stdout]      |
[INFO] [stdout] 1151 |     state.set(8, "B");
[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] 1151 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1152:2
[INFO] [stdout]      |
[INFO] [stdout] 1152 |     state.set(12, "B");    
[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] 1152 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1153:2
[INFO] [stdout]      |
[INFO] [stdout] 1153 |     state.set(16, "B");
[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] 1153 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1154:2
[INFO] [stdout]      |
[INFO] [stdout] 1154 |     state.set(20, "B");    
[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] 1154 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1156:2
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     state.set(9, "C");
[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] 1156 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1157:2
[INFO] [stdout]      |
[INFO] [stdout] 1157 |     state.set(13, "C");    
[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] 1157 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1158:2
[INFO] [stdout]      |
[INFO] [stdout] 1158 |     state.set(17, "C");
[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] 1158 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1159:2
[INFO] [stdout]      |
[INFO] [stdout] 1159 |     state.set(21, "C");
[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] 1159 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1161:2
[INFO] [stdout]      |
[INFO] [stdout] 1161 |     state.set(10, "D");
[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] 1161 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1162:2
[INFO] [stdout]      |
[INFO] [stdout] 1162 |     state.set(14, "D");    
[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] 1162 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1163:2
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     state.set(18, "D");
[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] 1163 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1164:2
[INFO] [stdout]      |
[INFO] [stdout] 1164 |     state.set(22, "D");    
[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] 1164 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1173:2
[INFO] [stdout]      |
[INFO] [stdout] 1173 |     state.set(0, "A");
[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] 1173 |     let _ = state.set(0, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1174:2
[INFO] [stdout]      |
[INFO] [stdout] 1174 |     state.set(11, "A");    
[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] 1174 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1175:3
[INFO] [stdout]      |
[INFO] [stdout] 1175 |      state.set(15, "A");
[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] 1175 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1176:2
[INFO] [stdout]      |
[INFO] [stdout] 1176 |     state.set(19, "A");
[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] 1176 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1178:2
[INFO] [stdout]      |
[INFO] [stdout] 1178 |     state.set(8, "B");
[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] 1178 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1179:2
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     state.set(12, "B");    
[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] 1179 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1180:2
[INFO] [stdout]      |
[INFO] [stdout] 1180 |     state.set(16, "B");
[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] 1180 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1181:2
[INFO] [stdout]      |
[INFO] [stdout] 1181 |     state.set(20, "B");    
[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] 1181 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1183:2
[INFO] [stdout]      |
[INFO] [stdout] 1183 |     state.set(9, "C");
[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] 1183 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1184:2
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     state.set(13, "C");    
[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] 1184 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1185:2
[INFO] [stdout]      |
[INFO] [stdout] 1185 |     state.set(17, "C");
[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] 1185 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1186:2
[INFO] [stdout]      |
[INFO] [stdout] 1186 |     state.set(21, "C");
[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] 1186 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1188:2
[INFO] [stdout]      |
[INFO] [stdout] 1188 |     state.set(10, "D");
[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] 1188 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1189:2
[INFO] [stdout]      |
[INFO] [stdout] 1189 |     state.set(14, "D");    
[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] 1189 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1190:2
[INFO] [stdout]      |
[INFO] [stdout] 1190 |     state.set(18, "D");
[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] 1190 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1191:2
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     state.set(22, "D");    
[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] 1191 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1200:2
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     state.set(7, "A");
[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] 1200 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1201:2
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     state.set(11, "A");    
[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] 1201 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1202:3
[INFO] [stdout]      |
[INFO] [stdout] 1202 |      state.set(15, "A");
[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] 1202 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1203:2
[INFO] [stdout]      |
[INFO] [stdout] 1203 |     state.set(19, "A");
[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] 1203 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1205:2
[INFO] [stdout]      |
[INFO] [stdout] 1205 |     state.set(2, "B");
[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] 1205 |     let _ = state.set(2, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1206:2
[INFO] [stdout]      |
[INFO] [stdout] 1206 |     state.set(12, "B");    
[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] 1206 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1207:2
[INFO] [stdout]      |
[INFO] [stdout] 1207 |     state.set(16, "B");
[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] 1207 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1208:2
[INFO] [stdout]      |
[INFO] [stdout] 1208 |     state.set(20, "B");    
[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] 1208 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1210:2
[INFO] [stdout]      |
[INFO] [stdout] 1210 |     state.set(9, "C");
[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] 1210 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1211:2
[INFO] [stdout]      |
[INFO] [stdout] 1211 |     state.set(13, "C");    
[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] 1211 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1212:2
[INFO] [stdout]      |
[INFO] [stdout] 1212 |     state.set(17, "C");
[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] 1212 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1213:2
[INFO] [stdout]      |
[INFO] [stdout] 1213 |     state.set(21, "C");
[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] 1213 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1215:2
[INFO] [stdout]      |
[INFO] [stdout] 1215 |     state.set(10, "D");
[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] 1215 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1216:2
[INFO] [stdout]      |
[INFO] [stdout] 1216 |     state.set(14, "D");    
[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] 1216 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1217:2
[INFO] [stdout]      |
[INFO] [stdout] 1217 |     state.set(18, "D");
[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] 1217 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1218:2
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     state.set(22, "D");    
[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] 1218 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1226:2
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     state.set(7, "A");
[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] 1226 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1227:2
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     state.set(11, "A");    
[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] 1227 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1228:3
[INFO] [stdout]      |
[INFO] [stdout] 1228 |      state.set(15, "A");
[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] 1228 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1229:2
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     state.set(19, "A");
[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] 1229 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1231:2
[INFO] [stdout]      |
[INFO] [stdout] 1231 |     state.set(8, "B");
[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] 1231 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1232:2
[INFO] [stdout]      |
[INFO] [stdout] 1232 |     state.set(12, "B");    
[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] 1232 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1233:2
[INFO] [stdout]      |
[INFO] [stdout] 1233 |     state.set(16, "B");
[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] 1233 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1234:2
[INFO] [stdout]      |
[INFO] [stdout] 1234 |     state.set(20, "B");    
[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] 1234 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1236:2
[INFO] [stdout]      |
[INFO] [stdout] 1236 |     state.set(4, "C");
[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] 1236 |     let _ = state.set(4, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1237:2
[INFO] [stdout]      |
[INFO] [stdout] 1237 |     state.set(13, "C");    
[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] 1237 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1238:2
[INFO] [stdout]      |
[INFO] [stdout] 1238 |     state.set(17, "C");
[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] 1238 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1239:2
[INFO] [stdout]      |
[INFO] [stdout] 1239 |     state.set(21, "C");
[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] 1239 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1241:2
[INFO] [stdout]      |
[INFO] [stdout] 1241 |     state.set(10, "D");
[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] 1241 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1242:2
[INFO] [stdout]      |
[INFO] [stdout] 1242 |     state.set(14, "D");    
[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] 1242 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1243:2
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     state.set(18, "D");
[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] 1243 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1244:2
[INFO] [stdout]      |
[INFO] [stdout] 1244 |     state.set(22, "D");    
[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] 1244 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1252:2
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     state.set(7, "A");
[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] 1252 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/bin/25.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{thread, time};
[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 `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1253:2
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     state.set(11, "A");    
[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] 1253 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1254:3
[INFO] [stdout]      |
[INFO] [stdout] 1254 |      state.set(15, "A");
[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] 1254 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1255:2
[INFO] [stdout]      |
[INFO] [stdout] 1255 |     state.set(19, "A");
[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] 1255 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1257:2
[INFO] [stdout]      |
[INFO] [stdout] 1257 |     state.set(8, "B");
[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] 1257 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1258:2
[INFO] [stdout]      |
[INFO] [stdout] 1258 |     state.set(12, "B");    
[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] 1258 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1259:2
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     state.set(16, "B");
[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] 1259 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1260:2
[INFO] [stdout]      |
[INFO] [stdout] 1260 |     state.set(20, "B");    
[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] 1260 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1262:2
[INFO] [stdout]      |
[INFO] [stdout] 1262 |     state.set(9, "C");
[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] 1262 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1263:2
[INFO] [stdout]      |
[INFO] [stdout] 1263 |     state.set(13, "C");    
[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] 1263 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1264:2
[INFO] [stdout]      |
[INFO] [stdout] 1264 |     state.set(17, "C");
[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] 1264 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1265:2
[INFO] [stdout]      |
[INFO] [stdout] 1265 |     state.set(21, "C");
[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] 1265 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1267:2
[INFO] [stdout]      |
[INFO] [stdout] 1267 |     state.set(6, "D");
[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] 1267 |     let _ = state.set(6, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1268:2
[INFO] [stdout]      |
[INFO] [stdout] 1268 |     state.set(14, "D");    
[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] 1268 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1269:2
[INFO] [stdout]      |
[INFO] [stdout] 1269 |     state.set(18, "D");
[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] 1269 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1270:2
[INFO] [stdout]      |
[INFO] [stdout] 1270 |     state.set(22, "D");    
[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] 1270 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1279:3
[INFO] [stdout]      |
[INFO] [stdout] 1279 |      state.set(7, "A"); 
[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] 1279 |      let _ = state.set(7, "A"); 
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1280:2
[INFO] [stdout]      |
[INFO] [stdout] 1280 |     state.set(11, "A");    
[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] 1280 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1281:2
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     state.set(8, "B"); 
[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] 1281 |     let _ = state.set(8, "B"); 
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1282:2
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     state.set(12, "B");    
[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] 1282 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1283:2
[INFO] [stdout]      |
[INFO] [stdout] 1283 |     state.set(9, "C"); 
[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] 1283 |     let _ = state.set(9, "C"); 
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1284:2
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     state.set(13, "C");    
[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] 1284 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1285:2
[INFO] [stdout]      |
[INFO] [stdout] 1285 |     state.set(6, "D");
[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] 1285 |     let _ = state.set(6, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1286:2
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     state.set(14, "D");
[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] 1286 |     let _ = state.set(14, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1298:3
[INFO] [stdout]      |
[INFO] [stdout] 1298 |      state.set(7, "A"); 
[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] 1298 |      let _ = state.set(7, "A"); 
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1299:2
[INFO] [stdout]      |
[INFO] [stdout] 1299 |     state.set(11, "A");    
[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] 1299 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1301:2
[INFO] [stdout]      |
[INFO] [stdout] 1301 |     state.set(9, "C");    
[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] 1301 |     let _ = state.set(9, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1303:2
[INFO] [stdout]      |
[INFO] [stdout] 1303 |     state.set(2, "C");    
[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] 1303 |     let _ = state.set(2, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1305:2
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     state.set(8, "C"); // this is a bad room, so we need to add 1
[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] 1305 |     let _ = state.set(8, "C"); // this is a bad room, so we need to add 1
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1314:2
[INFO] [stdout]      |
[INFO] [stdout] 1314 |     state.set(7, "A");
[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] 1314 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1315:2
[INFO] [stdout]      |
[INFO] [stdout] 1315 |     state.set(11, "A");    
[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] 1315 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1316:3
[INFO] [stdout]      |
[INFO] [stdout] 1316 |      state.set(15, "A");
[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] 1316 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1317:2
[INFO] [stdout]      |
[INFO] [stdout] 1317 |     state.set(19, "A");
[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] 1317 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1319:2
[INFO] [stdout]      |
[INFO] [stdout] 1319 |     state.set(1, "B");    
[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] 1319 |     let _ = state.set(1, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1320:2
[INFO] [stdout]      |
[INFO] [stdout] 1320 |     state.set(8, "B");
[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] 1320 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1321:2
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     state.set(12, "C"); // wrong colour trapped
[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] 1321 |     let _ = state.set(12, "C"); // wrong colour trapped
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1322:2
[INFO] [stdout]      |
[INFO] [stdout] 1322 |     state.set(16, "B");
[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] 1322 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1323:2
[INFO] [stdout]      |
[INFO] [stdout] 1323 |     state.set(20, "B");    
[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] 1323 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1325:2
[INFO] [stdout]      |
[INFO] [stdout] 1325 |     state.set(13, "C");    
[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] 1325 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1326:2
[INFO] [stdout]      |
[INFO] [stdout] 1326 |     state.set(17, "C");
[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] 1326 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1327:2
[INFO] [stdout]      |
[INFO] [stdout] 1327 |     state.set(21, "C");
[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] 1327 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1329:2
[INFO] [stdout]      |
[INFO] [stdout] 1329 |     state.set(10, "D");
[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] 1329 |     let _ = state.set(10, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1330:2
[INFO] [stdout]      |
[INFO] [stdout] 1330 |     state.set(14, "D");    
[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] 1330 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1331:2
[INFO] [stdout]      |
[INFO] [stdout] 1331 |     state.set(18, "D");
[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] 1331 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-2.rs:1332:2
[INFO] [stdout]      |
[INFO] [stdout] 1332 |     state.set(22, "D");    
[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] 1332 |     let _ = state.set(22, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sleep_time`
[INFO] [stdout]    --> src/bin/25.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let sleep_time = time::Duration::from_millis(300);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sleep_time`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/bin/23-3.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:706:6
[INFO] [stdout]     |
[INFO] [stdout] 706 |     let mut next_states = current_state.get_valid_transitions();
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23-3.rs:976:6
[INFO] [stdout]     |
[INFO] [stdout] 976 |     let mut state = State::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/bin/23-2.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{env, io};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:706:6
[INFO] [stdout]     |
[INFO] [stdout] 706 |     let mut next_states = current_state.get_valid_transitions();
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:772:6
[INFO] [stdout]     |
[INFO] [stdout] 772 |     let mut state = State::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:983:2
[INFO] [stdout]     |
[INFO] [stdout] 983 |     state.set(7, "A");
[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] 983 |     let _ = state.set(7, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:984:2
[INFO] [stdout]     |
[INFO] [stdout] 984 |     state.set(11, "A");    
[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] 984 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:991:2
[INFO] [stdout]     |
[INFO] [stdout] 991 |     state.set(7, "A");
[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] 991 |     let _ = state.set(7, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:992:2
[INFO] [stdout]     |
[INFO] [stdout] 992 |     state.set(11, "A");    
[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] 992 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:993:2
[INFO] [stdout]     |
[INFO] [stdout] 993 |     state.set(8, "B");
[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] 993 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23-3.rs:994:2
[INFO] [stdout]     |
[INFO] [stdout] 994 |     state.set(12, "B");    
[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] 994 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1001:2
[INFO] [stdout]      |
[INFO] [stdout] 1001 |     state.set(7, "A");
[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] 1001 |     let _ = state.set(7, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1002:2
[INFO] [stdout]      |
[INFO] [stdout] 1002 |     state.set(11, "A");    
[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] 1002 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1003:2
[INFO] [stdout]      |
[INFO] [stdout] 1003 |     state.set(8, "B");
[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] 1003 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1004:2
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     state.set(12, "B");    
[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] 1004 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1005:2
[INFO] [stdout]      |
[INFO] [stdout] 1005 |     state.set(9, "C");
[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] 1005 |     let _ = state.set(9, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1006:2
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     state.set(13, "C");    
[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] 1006 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1013:2
[INFO] [stdout]      |
[INFO] [stdout] 1013 |     state.set(11, "A");    
[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] 1013 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1014:3
[INFO] [stdout]      |
[INFO] [stdout] 1014 |      state.set(15, "A");
[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] 1014 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1015:2
[INFO] [stdout]      |
[INFO] [stdout] 1015 |     state.set(19, "A");
[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] 1015 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1016:3
[INFO] [stdout]      |
[INFO] [stdout] 1016 |      state.set(23, "A");    
[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] 1016 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1018:2
[INFO] [stdout]      |
[INFO] [stdout] 1018 |     state.set(12, "B");    
[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] 1018 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1019:2
[INFO] [stdout]      |
[INFO] [stdout] 1019 |     state.set(16, "B");
[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] 1019 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1020:2
[INFO] [stdout]      |
[INFO] [stdout] 1020 |     state.set(20, "B");    
[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] 1020 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1021:2
[INFO] [stdout]      |
[INFO] [stdout] 1021 |     state.set(24, "B");
[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] 1021 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1023:2
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     state.set(13, "C");    
[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] 1023 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1024:2
[INFO] [stdout]      |
[INFO] [stdout] 1024 |     state.set(17, "C");
[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] 1024 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1025:2
[INFO] [stdout]      |
[INFO] [stdout] 1025 |     state.set(21, "C");
[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] 1025 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1026:2
[INFO] [stdout]      |
[INFO] [stdout] 1026 |     state.set(25, "C");
[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] 1026 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1028:2
[INFO] [stdout]      |
[INFO] [stdout] 1028 |     state.set(14, "D");    
[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] 1028 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1029:2
[INFO] [stdout]      |
[INFO] [stdout] 1029 |     state.set(18, "D");
[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] 1029 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1030:2
[INFO] [stdout]      |
[INFO] [stdout] 1030 |     state.set(22, "D");
[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] 1030 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1031:2
[INFO] [stdout]      |
[INFO] [stdout] 1031 |     state.set(26, "D");    
[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] 1031 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1040:2
[INFO] [stdout]      |
[INFO] [stdout] 1040 |     state.set(1, "A");    
[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] 1040 |     let _ = state.set(1, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1041:3
[INFO] [stdout]      |
[INFO] [stdout] 1041 |      state.set(15, "A");
[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] 1041 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1042:2
[INFO] [stdout]      |
[INFO] [stdout] 1042 |     state.set(19, "A");
[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] 1042 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1043:3
[INFO] [stdout]      |
[INFO] [stdout] 1043 |      state.set(23, "A");    
[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] 1043 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1045:2
[INFO] [stdout]      |
[INFO] [stdout] 1045 |     state.set(12, "B");    
[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] 1045 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1046:2
[INFO] [stdout]      |
[INFO] [stdout] 1046 |     state.set(16, "B");
[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] 1046 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1047:2
[INFO] [stdout]      |
[INFO] [stdout] 1047 |     state.set(20, "B");    
[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] 1047 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1048:2
[INFO] [stdout]      |
[INFO] [stdout] 1048 |     state.set(24, "B");
[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] 1048 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1050:2
[INFO] [stdout]      |
[INFO] [stdout] 1050 |     state.set(13, "C");    
[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] 1050 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1051:2
[INFO] [stdout]      |
[INFO] [stdout] 1051 |     state.set(17, "C");
[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] 1051 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1052:2
[INFO] [stdout]      |
[INFO] [stdout] 1052 |     state.set(21, "C");
[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] 1052 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1053:2
[INFO] [stdout]      |
[INFO] [stdout] 1053 |     state.set(25, "C");
[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] 1053 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1055:2
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     state.set(14, "D");    
[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] 1055 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1056:2
[INFO] [stdout]      |
[INFO] [stdout] 1056 |     state.set(18, "D");
[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] 1056 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1057:2
[INFO] [stdout]      |
[INFO] [stdout] 1057 |     state.set(22, "D");
[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] 1057 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1058:2
[INFO] [stdout]      |
[INFO] [stdout] 1058 |     state.set(26, "D");    
[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] 1058 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1067:2
[INFO] [stdout]      |
[INFO] [stdout] 1067 |     state.set(0, "A");    
[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] 1067 |     let _ = state.set(0, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1068:3
[INFO] [stdout]      |
[INFO] [stdout] 1068 |      state.set(15, "A");
[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] 1068 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1069:2
[INFO] [stdout]      |
[INFO] [stdout] 1069 |     state.set(19, "A");
[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] 1069 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1070:3
[INFO] [stdout]      |
[INFO] [stdout] 1070 |      state.set(23, "A");    
[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] 1070 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1072:2
[INFO] [stdout]      |
[INFO] [stdout] 1072 |     state.set(12, "B");    
[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] 1072 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1073:2
[INFO] [stdout]      |
[INFO] [stdout] 1073 |     state.set(16, "B");
[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] 1073 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1074:2
[INFO] [stdout]      |
[INFO] [stdout] 1074 |     state.set(20, "B");    
[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] 1074 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1075:2
[INFO] [stdout]      |
[INFO] [stdout] 1075 |     state.set(24, "B");
[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] 1075 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1077:2
[INFO] [stdout]      |
[INFO] [stdout] 1077 |     state.set(13, "C");    
[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] 1077 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1078:2
[INFO] [stdout]      |
[INFO] [stdout] 1078 |     state.set(17, "C");
[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] 1078 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1079:2
[INFO] [stdout]      |
[INFO] [stdout] 1079 |     state.set(21, "C");
[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] 1079 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1080:2
[INFO] [stdout]      |
[INFO] [stdout] 1080 |     state.set(25, "C");
[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] 1080 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1082:2
[INFO] [stdout]      |
[INFO] [stdout] 1082 |     state.set(14, "D");    
[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] 1082 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1083:2
[INFO] [stdout]      |
[INFO] [stdout] 1083 |     state.set(18, "D");
[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] 1083 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1084:2
[INFO] [stdout]      |
[INFO] [stdout] 1084 |     state.set(22, "D");
[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] 1084 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1085:2
[INFO] [stdout]      |
[INFO] [stdout] 1085 |     state.set(26, "D");    
[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] 1085 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1095:2
[INFO] [stdout]      |
[INFO] [stdout] 1095 |     state.set(11, "A");    
[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] 1095 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1096:3
[INFO] [stdout]      |
[INFO] [stdout] 1096 |      state.set(15, "A");
[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] 1096 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1097:2
[INFO] [stdout]      |
[INFO] [stdout] 1097 |     state.set(19, "A");
[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] 1097 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1098:3
[INFO] [stdout]      |
[INFO] [stdout] 1098 |      state.set(23, "A");    
[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] 1098 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1100:2
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     state.set(5, "B");    
[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] 1100 |     let _ = state.set(5, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1101:2
[INFO] [stdout]      |
[INFO] [stdout] 1101 |     state.set(16, "B");
[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] 1101 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1102:2
[INFO] [stdout]      |
[INFO] [stdout] 1102 |     state.set(20, "B");    
[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] 1102 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1103:2
[INFO] [stdout]      |
[INFO] [stdout] 1103 |     state.set(24, "B");
[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] 1103 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1105:2
[INFO] [stdout]      |
[INFO] [stdout] 1105 |     state.set(13, "C");    
[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] 1105 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1106:2
[INFO] [stdout]      |
[INFO] [stdout] 1106 |     state.set(17, "C");
[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] 1106 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1107:2
[INFO] [stdout]      |
[INFO] [stdout] 1107 |     state.set(21, "C");
[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] 1107 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1108:2
[INFO] [stdout]      |
[INFO] [stdout] 1108 |     state.set(25, "C");
[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] 1108 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1110:2
[INFO] [stdout]      |
[INFO] [stdout] 1110 |     state.set(14, "D");    
[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] 1110 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1111:2
[INFO] [stdout]      |
[INFO] [stdout] 1111 |     state.set(18, "D");
[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] 1111 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1112:2
[INFO] [stdout]      |
[INFO] [stdout] 1112 |     state.set(22, "D");
[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] 1112 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1113:2
[INFO] [stdout]      |
[INFO] [stdout] 1113 |     state.set(26, "D");    
[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] 1113 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1123:2
[INFO] [stdout]      |
[INFO] [stdout] 1123 |     state.set(11, "A");    
[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] 1123 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1124:3
[INFO] [stdout]      |
[INFO] [stdout] 1124 |      state.set(15, "A");
[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] 1124 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1125:2
[INFO] [stdout]      |
[INFO] [stdout] 1125 |     state.set(19, "A");
[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] 1125 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1126:3
[INFO] [stdout]      |
[INFO] [stdout] 1126 |      state.set(23, "A");    
[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] 1126 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1128:2
[INFO] [stdout]      |
[INFO] [stdout] 1128 |     state.set(12, "B");    
[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] 1128 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1129:2
[INFO] [stdout]      |
[INFO] [stdout] 1129 |     state.set(16, "B");
[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] 1129 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1130:2
[INFO] [stdout]      |
[INFO] [stdout] 1130 |     state.set(20, "B");    
[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] 1130 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1131:2
[INFO] [stdout]      |
[INFO] [stdout] 1131 |     state.set(24, "B");
[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] 1131 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1133:2
[INFO] [stdout]      |
[INFO] [stdout] 1133 |     state.set(7, "C");    
[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] 1133 |     let _ = state.set(7, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1134:2
[INFO] [stdout]      |
[INFO] [stdout] 1134 |     state.set(17, "C");
[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] 1134 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1135:2
[INFO] [stdout]      |
[INFO] [stdout] 1135 |     state.set(21, "C");
[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] 1135 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1136:2
[INFO] [stdout]      |
[INFO] [stdout] 1136 |     state.set(25, "C");
[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] 1136 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1138:2
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     state.set(14, "D");    
[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] 1138 |     let _ = state.set(14, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1139:2
[INFO] [stdout]      |
[INFO] [stdout] 1139 |     state.set(18, "D");
[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] 1139 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1140:2
[INFO] [stdout]      |
[INFO] [stdout] 1140 |     state.set(22, "D");
[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] 1140 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1141:2
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     state.set(26, "D");    
[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] 1141 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1150:2
[INFO] [stdout]      |
[INFO] [stdout] 1150 |     state.set(11, "A");    
[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] 1150 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1151:3
[INFO] [stdout]      |
[INFO] [stdout] 1151 |      state.set(15, "A");
[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] 1151 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1152:2
[INFO] [stdout]      |
[INFO] [stdout] 1152 |     state.set(19, "A");
[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] 1152 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1153:3
[INFO] [stdout]      |
[INFO] [stdout] 1153 |      state.set(23, "A");    
[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] 1153 |      let _ = state.set(23, "A");    
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1155:2
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     state.set(12, "B");    
[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] 1155 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1156:2
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     state.set(16, "B");
[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] 1156 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1157:2
[INFO] [stdout]      |
[INFO] [stdout] 1157 |     state.set(20, "B");    
[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] 1157 |     let _ = state.set(20, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1158:2
[INFO] [stdout]      |
[INFO] [stdout] 1158 |     state.set(24, "B");
[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] 1158 |     let _ = state.set(24, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1160:2
[INFO] [stdout]      |
[INFO] [stdout] 1160 |     state.set(13, "C");    
[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] 1160 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1161:2
[INFO] [stdout]      |
[INFO] [stdout] 1161 |     state.set(17, "C");
[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] 1161 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1162:2
[INFO] [stdout]      |
[INFO] [stdout] 1162 |     state.set(21, "C");
[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] 1162 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1163:2
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     state.set(25, "C");
[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] 1163 |     let _ = state.set(25, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1165:2
[INFO] [stdout]      |
[INFO] [stdout] 1165 |     state.set(10, "D");    
[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] 1165 |     let _ = state.set(10, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1166:2
[INFO] [stdout]      |
[INFO] [stdout] 1166 |     state.set(18, "D");
[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] 1166 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1167:2
[INFO] [stdout]      |
[INFO] [stdout] 1167 |     state.set(22, "D");
[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] 1167 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1168:2
[INFO] [stdout]      |
[INFO] [stdout] 1168 |     state.set(26, "D");    
[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] 1168 |     let _ = state.set(26, "D");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1178:3
[INFO] [stdout]      |
[INFO] [stdout] 1178 |      state.set(7, "A"); 
[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] 1178 |      let _ = state.set(7, "A"); 
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1179:2
[INFO] [stdout]      |
[INFO] [stdout] 1179 |     state.set(11, "A");    
[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] 1179 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1180:2
[INFO] [stdout]      |
[INFO] [stdout] 1180 |     state.set(8, "B"); 
[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] 1180 |     let _ = state.set(8, "B"); 
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1181:2
[INFO] [stdout]      |
[INFO] [stdout] 1181 |     state.set(12, "B");    
[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] 1181 |     let _ = state.set(12, "B");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1182:2
[INFO] [stdout]      |
[INFO] [stdout] 1182 |     state.set(9, "C"); 
[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] 1182 |     let _ = state.set(9, "C"); 
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1183:2
[INFO] [stdout]      |
[INFO] [stdout] 1183 |     state.set(13, "C");    
[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] 1183 |     let _ = state.set(13, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1184:2
[INFO] [stdout]      |
[INFO] [stdout] 1184 |     state.set(6, "D");
[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] 1184 |     let _ = state.set(6, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1185:2
[INFO] [stdout]      |
[INFO] [stdout] 1185 |     state.set(14, "D");
[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] 1185 |     let _ = state.set(14, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1197:3
[INFO] [stdout]      |
[INFO] [stdout] 1197 |      state.set(7, "A"); 
[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] 1197 |      let _ = state.set(7, "A"); 
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1198:2
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     state.set(11, "A");    
[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] 1198 |     let _ = state.set(11, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1200:2
[INFO] [stdout]      |
[INFO] [stdout] 1200 |     state.set(9, "C");    
[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] 1200 |     let _ = state.set(9, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1202:2
[INFO] [stdout]      |
[INFO] [stdout] 1202 |     state.set(2, "C");    
[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] 1202 |     let _ = state.set(2, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1204:2
[INFO] [stdout]      |
[INFO] [stdout] 1204 |     state.set(8, "C"); // this is a bad room, so we need to add 1
[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] 1204 |     let _ = state.set(8, "C"); // this is a bad room, so we need to add 1
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1213:2
[INFO] [stdout]      |
[INFO] [stdout] 1213 |     state.set(10, "A");
[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] 1213 |     let _ = state.set(10, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1214:3
[INFO] [stdout]      |
[INFO] [stdout] 1214 |      state.set(15, "A");
[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] 1214 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1215:2
[INFO] [stdout]      |
[INFO] [stdout] 1215 |     state.set(19, "A");
[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] 1215 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1216:2
[INFO] [stdout]      |
[INFO] [stdout] 1216 |     state.set(23, "A");    
[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] 1216 |     let _ = state.set(23, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1218:2
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     state.set(8, "B");
[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] 1218 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1219:2
[INFO] [stdout]      |
[INFO] [stdout] 1219 |     state.set(16, "B");
[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] 1219 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1220:2
[INFO] [stdout]      |
[INFO] [stdout] 1220 |     state.set(20, "B");
[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] 1220 |     let _ = state.set(20, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1221:2
[INFO] [stdout]      |
[INFO] [stdout] 1221 |     state.set(24, "B");        
[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] 1221 |     let _ = state.set(24, "B");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1223:2
[INFO] [stdout]      |
[INFO] [stdout] 1223 |     state.set(4, "C");
[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] 1223 |     let _ = state.set(4, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1224:2
[INFO] [stdout]      |
[INFO] [stdout] 1224 |     state.set(17, "C");
[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] 1224 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1225:2
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     state.set(21, "C");
[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] 1225 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1226:2
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     state.set(25, "C");    
[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] 1226 |     let _ = state.set(25, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1228:2
[INFO] [stdout]      |
[INFO] [stdout] 1228 |     state.set(0, "D");
[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] 1228 |     let _ = state.set(0, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1229:2
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     state.set(18, "D");
[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] 1229 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1230:2
[INFO] [stdout]      |
[INFO] [stdout] 1230 |     state.set(22, "D");
[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] 1230 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1231:2
[INFO] [stdout]      |
[INFO] [stdout] 1231 |     state.set(26, "D");        
[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] 1231 |     let _ = state.set(26, "D");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1241:2
[INFO] [stdout]      |
[INFO] [stdout] 1241 |     state.set(10, "A");
[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] 1241 |     let _ = state.set(10, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1242:3
[INFO] [stdout]      |
[INFO] [stdout] 1242 |      state.set(15, "A");
[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] 1242 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1243:2
[INFO] [stdout]      |
[INFO] [stdout] 1243 |     state.set(19, "A");
[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] 1243 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1244:2
[INFO] [stdout]      |
[INFO] [stdout] 1244 |     state.set(23, "A");    
[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] 1244 |     let _ = state.set(23, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1246:2
[INFO] [stdout]      |
[INFO] [stdout] 1246 |     state.set(8, "B");
[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] 1246 |     let _ = state.set(8, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1247:2
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     state.set(16, "B");
[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] 1247 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1248:2
[INFO] [stdout]      |
[INFO] [stdout] 1248 |     state.set(20, "B");
[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] 1248 |     let _ = state.set(20, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1249:2
[INFO] [stdout]      |
[INFO] [stdout] 1249 |     state.set(24, "B");        
[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] 1249 |     let _ = state.set(24, "B");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1251:2
[INFO] [stdout]      |
[INFO] [stdout] 1251 |     state.set(11, "C");
[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] 1251 |     let _ = state.set(11, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1252:2
[INFO] [stdout]      |
[INFO] [stdout] 1252 |     state.set(17, "C");
[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] 1252 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1253:2
[INFO] [stdout]      |
[INFO] [stdout] 1253 |     state.set(21, "C");
[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] 1253 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1254:2
[INFO] [stdout]      |
[INFO] [stdout] 1254 |     state.set(25, "C");    
[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] 1254 |     let _ = state.set(25, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1256:2
[INFO] [stdout]      |
[INFO] [stdout] 1256 |     state.set(12, "D");
[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] 1256 |     let _ = state.set(12, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1257:2
[INFO] [stdout]      |
[INFO] [stdout] 1257 |     state.set(18, "D");
[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] 1257 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1258:2
[INFO] [stdout]      |
[INFO] [stdout] 1258 |     state.set(22, "D");
[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] 1258 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1259:2
[INFO] [stdout]      |
[INFO] [stdout] 1259 |     state.set(26, "D");        
[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] 1259 |     let _ = state.set(26, "D");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1269:2
[INFO] [stdout]      |
[INFO] [stdout] 1269 |     state.set(11, "A");
[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] 1269 |     let _ = state.set(11, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1270:3
[INFO] [stdout]      |
[INFO] [stdout] 1270 |      state.set(15, "A");
[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] 1270 |      let _ = state.set(15, "A");
[INFO] [stdout]      |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1271:2
[INFO] [stdout]      |
[INFO] [stdout] 1271 |     state.set(19, "A");
[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] 1271 |     let _ = state.set(19, "A");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1272:2
[INFO] [stdout]      |
[INFO] [stdout] 1272 |     state.set(23, "A");    
[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] 1272 |     let _ = state.set(23, "A");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1274:2
[INFO] [stdout]      |
[INFO] [stdout] 1274 |     state.set(12, "B");
[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] 1274 |     let _ = state.set(12, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1275:2
[INFO] [stdout]      |
[INFO] [stdout] 1275 |     state.set(16, "B");
[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] 1275 |     let _ = state.set(16, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1276:2
[INFO] [stdout]      |
[INFO] [stdout] 1276 |     state.set(20, "B");
[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] 1276 |     let _ = state.set(20, "B");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1277:2
[INFO] [stdout]      |
[INFO] [stdout] 1277 |     state.set(24, "B");        
[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] 1277 |     let _ = state.set(24, "B");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1279:2
[INFO] [stdout]      |
[INFO] [stdout] 1279 |     state.set(0, "C");
[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] 1279 |     let _ = state.set(0, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1280:2
[INFO] [stdout]      |
[INFO] [stdout] 1280 |     state.set(17, "C");
[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] 1280 |     let _ = state.set(17, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1281:2
[INFO] [stdout]      |
[INFO] [stdout] 1281 |     state.set(21, "C");
[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] 1281 |     let _ = state.set(21, "C");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1282:2
[INFO] [stdout]      |
[INFO] [stdout] 1282 |     state.set(25, "C");    
[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] 1282 |     let _ = state.set(25, "C");    
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1284:2
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     state.set(1, "D");
[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] 1284 |     let _ = state.set(1, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1285:2
[INFO] [stdout]      |
[INFO] [stdout] 1285 |     state.set(18, "D");
[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] 1285 |     let _ = state.set(18, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1286:2
[INFO] [stdout]      |
[INFO] [stdout] 1286 |     state.set(22, "D");
[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] 1286 |     let _ = state.set(22, "D");
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/bin/23-3.rs:1287:2
[INFO] [stdout]      |
[INFO] [stdout] 1287 |     state.set(26, "D");        
[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] 1287 |     let _ = state.set(26, "D");        
[INFO] [stdout]      |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:779:2
[INFO] [stdout]     |
[INFO] [stdout] 779 |     state.set(7, "A");
[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] 779 |     let _ = state.set(7, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:780:2
[INFO] [stdout]     |
[INFO] [stdout] 780 |     state.set(11, "A");    
[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] 780 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:787:2
[INFO] [stdout]     |
[INFO] [stdout] 787 |     state.set(7, "A");
[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] 787 |     let _ = state.set(7, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:788:2
[INFO] [stdout]     |
[INFO] [stdout] 788 |     state.set(11, "A");    
[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] 788 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:789:2
[INFO] [stdout]     |
[INFO] [stdout] 789 |     state.set(8, "B");
[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] 789 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:790:2
[INFO] [stdout]     |
[INFO] [stdout] 790 |     state.set(12, "B");    
[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] 790 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:797:2
[INFO] [stdout]     |
[INFO] [stdout] 797 |     state.set(7, "A");
[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] 797 |     let _ = state.set(7, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:798:2
[INFO] [stdout]     |
[INFO] [stdout] 798 |     state.set(11, "A");    
[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] 798 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:799:2
[INFO] [stdout]     |
[INFO] [stdout] 799 |     state.set(8, "B");
[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] 799 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:800:2
[INFO] [stdout]     |
[INFO] [stdout] 800 |     state.set(12, "B");    
[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] 800 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:801:2
[INFO] [stdout]     |
[INFO] [stdout] 801 |     state.set(9, "C");
[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] 801 |     let _ = state.set(9, "C");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:802:2
[INFO] [stdout]     |
[INFO] [stdout] 802 |     state.set(13, "C");    
[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] 802 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:809:3
[INFO] [stdout]     |
[INFO] [stdout] 809 |      state.set(7, "A");
[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] 809 |      let _ = state.set(7, "A");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:810:2
[INFO] [stdout]     |
[INFO] [stdout] 810 |     state.set(11, "A");    
[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] 810 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:811:2
[INFO] [stdout]     |
[INFO] [stdout] 811 |     state.set(8, "B");
[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] 811 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:812:2
[INFO] [stdout]     |
[INFO] [stdout] 812 |     state.set(12, "B");    
[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] 812 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:813:2
[INFO] [stdout]     |
[INFO] [stdout] 813 |     state.set(9, "C");
[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] 813 |     let _ = state.set(9, "C");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:814:2
[INFO] [stdout]     |
[INFO] [stdout] 814 |     state.set(13, "C");    
[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] 814 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:815:2
[INFO] [stdout]     |
[INFO] [stdout] 815 |     state.set(10, "D");
[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] 815 |     let _ = state.set(10, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:816:2
[INFO] [stdout]     |
[INFO] [stdout] 816 |     state.set(14, "D");    
[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] 816 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:824:3
[INFO] [stdout]     |
[INFO] [stdout] 824 |      state.set(1, "A"); // this is the only Amphipod that needs to move, so we should win soon
[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] 824 |      let _ = state.set(1, "A"); // this is the only Amphipod that needs to move, so we should win soon
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:825:2
[INFO] [stdout]     |
[INFO] [stdout] 825 |     state.set(11, "A");    
[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] 825 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:826:2
[INFO] [stdout]     |
[INFO] [stdout] 826 |     state.set(8, "B");
[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] 826 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:827:2
[INFO] [stdout]     |
[INFO] [stdout] 827 |     state.set(12, "B");    
[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] 827 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:828:2
[INFO] [stdout]     |
[INFO] [stdout] 828 |     state.set(9, "C");
[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] 828 |     let _ = state.set(9, "C");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:829:2
[INFO] [stdout]     |
[INFO] [stdout] 829 |     state.set(13, "C");    
[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] 829 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:830:2
[INFO] [stdout]     |
[INFO] [stdout] 830 |     state.set(10, "D");
[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] 830 |     let _ = state.set(10, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:831:2
[INFO] [stdout]     |
[INFO] [stdout] 831 |     state.set(14, "D");    
[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] 831 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:839:3
[INFO] [stdout]     |
[INFO] [stdout] 839 |      state.set(0, "A"); // this is the only Amphipod that needs to move, so we should win soon
[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] 839 |      let _ = state.set(0, "A"); // this is the only Amphipod that needs to move, so we should win soon
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:840:2
[INFO] [stdout]     |
[INFO] [stdout] 840 |     state.set(11, "A");    
[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] 840 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:841:2
[INFO] [stdout]     |
[INFO] [stdout] 841 |     state.set(8, "B");
[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] 841 |     let _ = state.set(8, "B");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:842:2
[INFO] [stdout]     |
[INFO] [stdout] 842 |     state.set(12, "B");    
[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] 842 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:843:2
[INFO] [stdout]     |
[INFO] [stdout] 843 |     state.set(9, "C");
[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] 843 |     let _ = state.set(9, "C");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:844:2
[INFO] [stdout]     |
[INFO] [stdout] 844 |     state.set(13, "C");    
[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] 844 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:845:2
[INFO] [stdout]     |
[INFO] [stdout] 845 |     state.set(10, "D");
[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] 845 |     let _ = state.set(10, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:846:2
[INFO] [stdout]     |
[INFO] [stdout] 846 |     state.set(14, "D");    
[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] 846 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:854:3
[INFO] [stdout]     |
[INFO] [stdout] 854 |      state.set(7, "A"); 
[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] 854 |      let _ = state.set(7, "A"); 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:855:2
[INFO] [stdout]     |
[INFO] [stdout] 855 |     state.set(11, "A");    
[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] 855 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:856:2
[INFO] [stdout]     |
[INFO] [stdout] 856 |     state.set(2, "B"); // this is the only Amphipod that needs to move, so we should win soon
[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] 856 |     let _ = state.set(2, "B"); // this is the only Amphipod that needs to move, so we should win soon
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:857:2
[INFO] [stdout]     |
[INFO] [stdout] 857 |     state.set(12, "B");    
[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] 857 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:858:2
[INFO] [stdout]     |
[INFO] [stdout] 858 |     state.set(9, "C");
[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] 858 |     let _ = state.set(9, "C");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:859:2
[INFO] [stdout]     |
[INFO] [stdout] 859 |     state.set(13, "C");    
[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] 859 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:860:2
[INFO] [stdout]     |
[INFO] [stdout] 860 |     state.set(10, "D");
[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] 860 |     let _ = state.set(10, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:861:2
[INFO] [stdout]     |
[INFO] [stdout] 861 |     state.set(14, "D");    
[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] 861 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:869:3
[INFO] [stdout]     |
[INFO] [stdout] 869 |      state.set(7, "A"); 
[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] 869 |      let _ = state.set(7, "A"); 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:870:2
[INFO] [stdout]     |
[INFO] [stdout] 870 |     state.set(11, "A");    
[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] 870 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:871:2
[INFO] [stdout]     |
[INFO] [stdout] 871 |     state.set(8, "B"); 
[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] 871 |     let _ = state.set(8, "B"); 
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:872:2
[INFO] [stdout]     |
[INFO] [stdout] 872 |     state.set(12, "B");    
[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] 872 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:873:2
[INFO] [stdout]     |
[INFO] [stdout] 873 |     state.set(4, "C"); // this is the only Amphipod that needs to move, so we should win soon
[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] 873 |     let _ = state.set(4, "C"); // this is the only Amphipod that needs to move, so we should win soon
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:874:2
[INFO] [stdout]     |
[INFO] [stdout] 874 |     state.set(13, "C");    
[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] 874 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:875:2
[INFO] [stdout]     |
[INFO] [stdout] 875 |     state.set(10, "D");
[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] 875 |     let _ = state.set(10, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:876:2
[INFO] [stdout]     |
[INFO] [stdout] 876 |     state.set(14, "D");    
[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] 876 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:884:3
[INFO] [stdout]     |
[INFO] [stdout] 884 |      state.set(7, "A"); 
[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] 884 |      let _ = state.set(7, "A"); 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:885:2
[INFO] [stdout]     |
[INFO] [stdout] 885 |     state.set(11, "A");    
[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] 885 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:886:2
[INFO] [stdout]     |
[INFO] [stdout] 886 |     state.set(8, "B"); 
[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] 886 |     let _ = state.set(8, "B"); 
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:887:2
[INFO] [stdout]     |
[INFO] [stdout] 887 |     state.set(12, "B");    
[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] 887 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:888:2
[INFO] [stdout]     |
[INFO] [stdout] 888 |     state.set(9, "C"); 
[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] 888 |     let _ = state.set(9, "C"); 
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:889:2
[INFO] [stdout]     |
[INFO] [stdout] 889 |     state.set(13, "C");    
[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] 889 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:890:2
[INFO] [stdout]     |
[INFO] [stdout] 890 |     state.set(6, "D"); // this is the only Amphipod that needs to move, so we should win soon
[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] 890 |     let _ = state.set(6, "D"); // this is the only Amphipod that needs to move, so we should win soon
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:891:2
[INFO] [stdout]     |
[INFO] [stdout] 891 |     state.set(14, "D");    
[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] 891 |     let _ = state.set(14, "D");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:900:3
[INFO] [stdout]     |
[INFO] [stdout] 900 |      state.set(7, "A"); 
[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] 900 |      let _ = state.set(7, "A"); 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:901:2
[INFO] [stdout]     |
[INFO] [stdout] 901 |     state.set(11, "A");    
[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] 901 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:902:2
[INFO] [stdout]     |
[INFO] [stdout] 902 |     state.set(8, "B"); 
[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] 902 |     let _ = state.set(8, "B"); 
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:903:2
[INFO] [stdout]     |
[INFO] [stdout] 903 |     state.set(12, "B");    
[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] 903 |     let _ = state.set(12, "B");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:904:2
[INFO] [stdout]     |
[INFO] [stdout] 904 |     state.set(9, "C"); 
[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] 904 |     let _ = state.set(9, "C"); 
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:905:2
[INFO] [stdout]     |
[INFO] [stdout] 905 |     state.set(13, "C");    
[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] 905 |     let _ = state.set(13, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:906:2
[INFO] [stdout]     |
[INFO] [stdout] 906 |     state.set(6, "D");
[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] 906 |     let _ = state.set(6, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:907:2
[INFO] [stdout]     |
[INFO] [stdout] 907 |     state.set(14, "D");
[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] 907 |     let _ = state.set(14, "D");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:919:3
[INFO] [stdout]     |
[INFO] [stdout] 919 |      state.set(7, "A"); 
[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] 919 |      let _ = state.set(7, "A"); 
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:920:2
[INFO] [stdout]     |
[INFO] [stdout] 920 |     state.set(11, "A");    
[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] 920 |     let _ = state.set(11, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:922:2
[INFO] [stdout]     |
[INFO] [stdout] 922 |     state.set(9, "C");    
[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] 922 |     let _ = state.set(9, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:924:2
[INFO] [stdout]     |
[INFO] [stdout] 924 |     state.set(2, "C");    
[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] 924 |     let _ = state.set(2, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:926:2
[INFO] [stdout]     |
[INFO] [stdout] 926 |     state.set(8, "C");    
[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] 926 |     let _ = state.set(8, "C");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:941:2
[INFO] [stdout]     |
[INFO] [stdout] 941 |     state.set(11, "A");
[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] 941 |     let _ = state.set(11, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:942:3
[INFO] [stdout]     |
[INFO] [stdout] 942 |      state.set(8, "B");
[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] 942 |      let _ = state.set(8, "B");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:943:3
[INFO] [stdout]     |
[INFO] [stdout] 943 |      state.set(12, "B");         
[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] 943 |      let _ = state.set(12, "B");         
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:944:3
[INFO] [stdout]     |
[INFO] [stdout] 944 |      state.set(9, "C");
[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] 944 |      let _ = state.set(9, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:945:3
[INFO] [stdout]     |
[INFO] [stdout] 945 |      state.set(13, "C");
[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] 945 |      let _ = state.set(13, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:946:3
[INFO] [stdout]     |
[INFO] [stdout] 946 |      state.set(3, "D");
[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] 946 |      let _ = state.set(3, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:947:3
[INFO] [stdout]     |
[INFO] [stdout] 947 |      state.set(4, "D");
[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] 947 |      let _ = state.set(4, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:948:3
[INFO] [stdout]     |
[INFO] [stdout] 948 |      state.set(14, "A");
[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] 948 |      let _ = state.set(14, "A");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:963:2
[INFO] [stdout]     |
[INFO] [stdout] 963 |     state.set(11, "A");
[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] 963 |     let _ = state.set(11, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:964:3
[INFO] [stdout]     |
[INFO] [stdout] 964 |      state.set(8, "B");
[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] 964 |      let _ = state.set(8, "B");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:965:3
[INFO] [stdout]     |
[INFO] [stdout] 965 |      state.set(12, "B");         
[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] 965 |      let _ = state.set(12, "B");         
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:966:3
[INFO] [stdout]     |
[INFO] [stdout] 966 |      state.set(9, "C");
[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] 966 |      let _ = state.set(9, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:967:3
[INFO] [stdout]     |
[INFO] [stdout] 967 |      state.set(13, "C");
[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] 967 |      let _ = state.set(13, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:968:3
[INFO] [stdout]     |
[INFO] [stdout] 968 |      state.set(3, "D");
[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] 968 |      let _ = state.set(3, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:969:3
[INFO] [stdout]     |
[INFO] [stdout] 969 |      state.set(10, "D");
[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] 969 |      let _ = state.set(10, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:970:3
[INFO] [stdout]     |
[INFO] [stdout] 970 |      state.set(14, "A");
[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] 970 |      let _ = state.set(14, "A");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:990:2
[INFO] [stdout]     |
[INFO] [stdout] 990 |     state.set(11, "A");
[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] 990 |     let _ = state.set(11, "A");
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:991:2
[INFO] [stdout]     |
[INFO] [stdout] 991 |     state.set(2, "A");    
[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] 991 |     let _ = state.set(2, "A");    
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:992:3
[INFO] [stdout]     |
[INFO] [stdout] 992 |      state.set(8, "B");
[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] 992 |      let _ = state.set(8, "B");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:993:3
[INFO] [stdout]     |
[INFO] [stdout] 993 |      state.set(12, "B");         
[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] 993 |      let _ = state.set(12, "B");         
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:994:3
[INFO] [stdout]     |
[INFO] [stdout] 994 |      state.set(9, "C");
[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] 994 |      let _ = state.set(9, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:995:3
[INFO] [stdout]     |
[INFO] [stdout] 995 |      state.set(13, "C");
[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] 995 |      let _ = state.set(13, "C");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:996:3
[INFO] [stdout]     |
[INFO] [stdout] 996 |      state.set(10, "D");
[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] 996 |      let _ = state.set(10, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/23.rs:997:3
[INFO] [stdout]     |
[INFO] [stdout] 997 |      state.set(14, "D");
[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] 997 |      let _ = state.set(14, "D");
[INFO] [stdout]     |      +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `compute_id` is never used
[INFO] [stdout]    --> src/bin/23-2.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 231 | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 237 |     fn compute_id(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "25c29b264c5f5e7596aaf69bbe653021af595035df174246ab1dec6634621e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c29b264c5f5e7596aaf69bbe653021af595035df174246ab1dec6634621e4f", kill_on_drop: false }`
[INFO] [stdout] 25c29b264c5f5e7596aaf69bbe653021af595035df174246ab1dec6634621e4f
