[INFO] cloning repository https://github.com/jelaby/advent-of-code-2023-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jelaby/advent-of-code-2023-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelaby%2Fadvent-of-code-2023-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelaby%2Fadvent-of-code-2023-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 679865f23e995c438b3f41ae532d3cf0edcf6d0b
[INFO] checking jelaby/advent-of-code-2023-rs against try#48c9d93cf65d550d124c40108859fd993778c157 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjelaby%2Fadvent-of-code-2023-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jelaby/advent-of-code-2023-rs
[INFO] finished tweaking git repo https://github.com/jelaby/advent-of-code-2023-rs
[INFO] tweaked toml for git repo https://github.com/jelaby/advent-of-code-2023-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jelaby/advent-of-code-2023-rs on toolchain 48c9d93cf65d550d124c40108859fd993778c157
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jelaby/advent-of-code-2023-rs 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" "+48c9d93cf65d550d124c40108859fd993778c157" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65e24da7f85c97bcce8236b1fe331095b688aa9d1d14c4a2f57a61aaad2ee87d
[INFO] running `Command { std: "docker" "start" "-a" "65e24da7f85c97bcce8236b1fe331095b688aa9d1d14c4a2f57a61aaad2ee87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65e24da7f85c97bcce8236b1fe331095b688aa9d1d14c4a2f57a61aaad2ee87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e24da7f85c97bcce8236b1fe331095b688aa9d1d14c4a2f57a61aaad2ee87d", kill_on_drop: false }`
[INFO] [stdout] 65e24da7f85c97bcce8236b1fe331095b688aa9d1d14c4a2f57a61aaad2ee87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+48c9d93cf65d550d124c40108859fd993778c157" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 907b80de3a7e0881a22eb590edf6909c1aee888528d5f1ad3ba0a27ed61ac3e1
[INFO] running `Command { std: "docker" "start" "-a" "907b80de3a7e0881a22eb590edf6909c1aee888528d5f1ad3ba0a27ed61ac3e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking enum-map v2.7.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LowerExp`
[INFO] [stdout]  --> src/main.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, LowerExp, Write};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_map`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use enum_map::{enum_map, Enum, EnumMap};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     while true {
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LowerExp`
[INFO] [stdout]  --> src/main.rs:3:43
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, LowerExp, Write};
[INFO] [stdout]   |                                           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enum_map`
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use enum_map::{enum_map, Enum, EnumMap};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]    --> src/main.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     while true {
[INFO] [stdout]     |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, LowerExp, Write};
[INFO] [stdout]   |                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/main.rs:3:53
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt::{Debug, Display, Formatter, LowerExp, Write};
[INFO] [stdout]   |                                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/main.rs:550:17
[INFO] [stdout]     |
[INFO] [stdout] 550 |     let mut t = Type::SEED;
[INFO] [stdout]     |                 ^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 555 |     t = map.target;
[INFO] [stdout]     |     -------------- `t` 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: value assigned to `t` is never read
[INFO] [stdout]    --> src/main.rs:550:17
[INFO] [stdout]     |
[INFO] [stdout] 550 |     let mut t = Type::SEED;
[INFO] [stdout]     |                 ^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 555 |     t = map.target;
[INFO] [stdout]     |     -------------- `t` 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: `n`
[INFO] [stdout]    --> src/main.rs:722:59
[INFO] [stdout]     |
[INFO] [stdout] 722 |                     let value = n.parse::<u64>().or_else(|n| Err(ParseError))?;
[INFO] [stdout]     |                                                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:759:21
[INFO] [stdout]     |
[INFO] [stdout] 759 |                 (5, card) => HandType::FiveOfAKind,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:760:21
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 (4, card) => HandType::FourOfAKind,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:761:21
[INFO] [stdout]     |
[INFO] [stdout] 761 |                 (3, card) => {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:768:21
[INFO] [stdout]     |
[INFO] [stdout] 768 |                 (2, card) => {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:775:21
[INFO] [stdout]     |
[INFO] [stdout] 775 |                 (1, card) => HandType::High,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> src/main.rs:722:59
[INFO] [stdout]     |
[INFO] [stdout] 722 |                     let value = n.parse::<u64>().or_else(|n| Err(ParseError))?;
[INFO] [stdout]     |                                                           ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:759:21
[INFO] [stdout]     |
[INFO] [stdout] 759 |                 (5, card) => HandType::FiveOfAKind,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:760:21
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 (4, card) => HandType::FourOfAKind,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:761:21
[INFO] [stdout]     |
[INFO] [stdout] 761 |                 (3, card) => {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:768:21
[INFO] [stdout]     |
[INFO] [stdout] 768 |                 (2, card) => {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `card`
[INFO] [stdout]    --> src/main.rs:775:21
[INFO] [stdout]     |
[INFO] [stdout] 775 |                 (1, card) => HandType::High,
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_card`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]     --> src/main.rs:1082:13
[INFO] [stdout]      |
[INFO] [stdout] 1082 |         for col in 0..p.1 {
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]     --> src/main.rs:1082:13
[INFO] [stdout]      |
[INFO] [stdout] 1082 |         for col in 0..p.1 {
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]     --> src/main.rs:1429:16
[INFO] [stdout]      |
[INFO] [stdout] 1429 |         .map(|(i, (records, broken_regions))| find_solutions(&records, &broken_regions))
[INFO] [stdout]      |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_fill` is never used
[INFO] [stdout]     --> src/main.rs:1076:8
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     fn print_fill(map: &Vec<Vec<char>>, is_inside: &Vec<Vec<bool>>, p: &(i64, i64)) {
[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 variable: `i`
[INFO] [stdout]     --> src/main.rs:1429:16
[INFO] [stdout]      |
[INFO] [stdout] 1429 |         .map(|(i, (records, broken_regions))| find_solutions(&records, &broken_regions))
[INFO] [stdout]      |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]     --> src/main.rs:1274:13
[INFO] [stdout]      |
[INFO] [stdout] 1274 |             solutions_cache.clear();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `solutions_cache` should have an upper case name
[INFO] [stdout]     --> src/main.rs:1284:16
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static mut SOLUTIONS_CACHE : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]     --> src/main.rs:1308:13
[INFO] [stdout]      |
[INFO] [stdout] 1308 |             solutions_cache.get(&key).map(|r| *r).unwrap_or_else(|| {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]     --> src/main.rs:1310:17
[INFO] [stdout]      |
[INFO] [stdout] 1310 |                 solutions_cache.insert(key, r);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_fill` is never used
[INFO] [stdout]     --> src/main.rs:1076:8
[INFO] [stdout]      |
[INFO] [stdout] 1076 |     fn print_fill(map: &Vec<Vec<char>>, is_inside: &Vec<Vec<bool>>, p: &(i64, i64)) {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]     --> src/main.rs:1274:13
[INFO] [stdout]      |
[INFO] [stdout] 1274 |             solutions_cache.clear();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `solutions_cache` should have an upper case name
[INFO] [stdout]     --> src/main.rs:1284:16
[INFO] [stdout]      |
[INFO] [stdout] 1284 |     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static mut SOLUTIONS_CACHE : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]     --> src/main.rs:1308:13
[INFO] [stdout]      |
[INFO] [stdout] 1308 |             solutions_cache.get(&key).map(|r| *r).unwrap_or_else(|| {
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]     --> src/main.rs:1310:17
[INFO] [stdout]      |
[INFO] [stdout] 1310 |                 solutions_cache.insert(key, r);
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]      |
[INFO] [stdout] 1284 -     static mut solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout] 1284 +     static solutions_cache : Lazy<HashMap<CacheKey, usize>> = Lazy::new(|| HashMap::new());
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.96s
[INFO] running `Command { std: "docker" "inspect" "907b80de3a7e0881a22eb590edf6909c1aee888528d5f1ad3ba0a27ed61ac3e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907b80de3a7e0881a22eb590edf6909c1aee888528d5f1ad3ba0a27ed61ac3e1", kill_on_drop: false }`
[INFO] [stdout] 907b80de3a7e0881a22eb590edf6909c1aee888528d5f1ad3ba0a27ed61ac3e1
