[INFO] cloning repository https://github.com/The1Rogue/EtaknyBot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/The1Rogue/EtaknyBot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe1Rogue%2FEtaknyBot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe1Rogue%2FEtaknyBot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6572fa186c9904684a725e28f3bed082b794b116
[INFO] checking The1Rogue/EtaknyBot against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThe1Rogue%2FEtaknyBot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/The1Rogue/EtaknyBot
[INFO] finished tweaking git repo https://github.com/The1Rogue/EtaknyBot
[INFO] tweaked toml for git repo https://github.com/The1Rogue/EtaknyBot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/The1Rogue/EtaknyBot on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/The1Rogue/EtaknyBot 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320ecbc2e4d39f8f47c25ac363584afab84d5b356f2c68d4e4edd93268e121f5
[INFO] running `Command { std: "docker" "start" "-a" "320ecbc2e4d39f8f47c25ac363584afab84d5b356f2c68d4e4edd93268e121f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320ecbc2e4d39f8f47c25ac363584afab84d5b356f2c68d4e4edd93268e121f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320ecbc2e4d39f8f47c25ac363584afab84d5b356f2c68d4e4edd93268e121f5", kill_on_drop: false }`
[INFO] [stdout] 320ecbc2e4d39f8f47c25ac363584afab84d5b356f2c68d4e4edd93268e121f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a45c1822414f83c1b9c410d7d19c10a152a2713ffbc8a13aacadb64070335947
[INFO] running `Command { std: "docker" "start" "-a" "a45c1822414f83c1b9c410d7d19c10a152a2713ffbc8a13aacadb64070335947", kill_on_drop: false }`
[INFO] [stderr]     Checking etaknybot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `ROAD_WHITE` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ROAD_WHITE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RoadWhite`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ROAD_BLACK` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     ROAD_BLACK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RoadBlack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FLATS_WHITE` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     FLATS_WHITE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FlatsWhite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FLATS_BLACK` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     FLATS_BLACK
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FlatsBlack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Board`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::position::Board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ROAD_WHITE` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     ROAD_WHITE,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RoadWhite`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ROAD_BLACK` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     ROAD_BLACK,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `RoadBlack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FLATS_WHITE` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     FLATS_WHITE,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FlatsWhite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FLATS_BLACK` should have an upper camel case name
[INFO] [stdout]   --> src/position.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     FLATS_BLACK
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `FlatsBlack`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Board`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::position::Board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `piece` is never read
[INFO] [stdout]    --> src/position.rs:238:41
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut piece: u8 = 0;
[INFO] [stdout]     |                                         ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 262 |                         piece = board.stacks[idx].color() as u8;
[INFO] [stdout]     |                         --------------------------------------- `piece` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptn`
[INFO] [stdout]   --> src/ply.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn from_ptn(ptn: String) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_ptn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/position.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH_MASK` is never used
[INFO] [stdout]  --> src/trans_table.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const HASH_MASK: u64 = (1 << ORDER) - 1;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash`, `ply`, and `eval` are never read
[INFO] [stdout]   --> src/trans_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Entry { //8 + 4 + 1 = 13 bytes
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     hash: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     ply: Ply,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     eval: i8, //TODO eval score type?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/trans_table.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TTable {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     data: [Entry; TT_SIZE]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `init`, `get`, and `put` are never used
[INFO] [stdout]   --> src/trans_table.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TTable {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 22 |     fn init() -> TTable {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn get(&self, hash: u64) -> Option<Entry> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn put(&mut self, entry: Entry) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perft` is never used
[INFO] [stdout]  --> src/search.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn perft(depth: usize, pos: Board) -> Vec<usize> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 write!(f, "C");
[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] 67 |                 let _ = write!(f, "C");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 write!(f, "S");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let _ = write!(f, "S");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 write!(f, "{count}");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let _ = write!(f, "{count}");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 | /             write!(f, "{sq}{}", match self.direction() {
[INFO] [stdout] 86 | |                 0 => "-",
[INFO] [stdout] 87 | |                 1 => "<",
[INFO] [stdout] 88 | |                 2 => "+",
[INFO] [stdout] 89 | |                 3 => ">",
[INFO] [stdout] 90 | |                 _ => ""
[INFO] [stdout] 91 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let _ = write!(f, "{sq}{}", match self.direction() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 write!(f, "{i}");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let _ = write!(f, "{i}");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `piece` is never read
[INFO] [stdout]    --> src/position.rs:238:41
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     let mut piece: u8 = 0;
[INFO] [stdout]     |                                         ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 262 |                         piece = board.stacks[idx].color() as u8;
[INFO] [stdout]     |                         --------------------------------------- `piece` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptn`
[INFO] [stdout]   --> src/ply.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn from_ptn(ptn: String) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_ptn`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/position.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HASH_MASK` is never used
[INFO] [stdout]  --> src/trans_table.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const HASH_MASK: u64 = (1 << ORDER) - 1;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash`, `ply`, and `eval` are never read
[INFO] [stdout]   --> src/trans_table.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Entry { //8 + 4 + 1 = 13 bytes
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     hash: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     ply: Ply,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     eval: i8, //TODO eval score type?
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/trans_table.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct TTable {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |     data: [Entry; TT_SIZE]
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `init`, `get`, and `put` are never used
[INFO] [stdout]   --> src/trans_table.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl TTable {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 22 |     fn init() -> TTable {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn get(&self, hash: u64) -> Option<Entry> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn put(&mut self, entry: Entry) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 write!(f, "C");
[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] 67 |                 let _ = write!(f, "C");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 write!(f, "S");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 let _ = write!(f, "S");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 write!(f, "{count}");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 let _ = write!(f, "{count}");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 | /             write!(f, "{sq}{}", match self.direction() {
[INFO] [stdout] 86 | |                 0 => "-",
[INFO] [stdout] 87 | |                 1 => "<",
[INFO] [stdout] 88 | |                 2 => "+",
[INFO] [stdout] 89 | |                 3 => ">",
[INFO] [stdout] 90 | |                 _ => ""
[INFO] [stdout] 91 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |             let _ = write!(f, "{sq}{}", match self.direction() {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ply.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 write!(f, "{i}");
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 let _ = write!(f, "{i}");
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "a45c1822414f83c1b9c410d7d19c10a152a2713ffbc8a13aacadb64070335947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45c1822414f83c1b9c410d7d19c10a152a2713ffbc8a13aacadb64070335947", kill_on_drop: false }`
[INFO] [stdout] a45c1822414f83c1b9c410d7d19c10a152a2713ffbc8a13aacadb64070335947
