[INFO] cloning repository https://github.com/alec-deason/neat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alec-deason/neat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-deason%2Fneat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-deason%2Fneat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eecbacc364048a34de55302ac58c7163fce9a5e2 [INFO] checking alec-deason/neat against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falec-deason%2Fneat" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alec-deason/neat on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alec-deason/neat [INFO] finished tweaking git repo https://github.com/alec-deason/neat [INFO] tweaked toml for git repo https://github.com/alec-deason/neat written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/alec-deason/neat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 436683252eb503bf22b2bdb24c48e55386262c2543563ad58f338da1ca56af77 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "436683252eb503bf22b2bdb24c48e55386262c2543563ad58f338da1ca56af77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "436683252eb503bf22b2bdb24c48e55386262c2543563ad58f338da1ca56af77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "436683252eb503bf22b2bdb24c48e55386262c2543563ad58f338da1ca56af77", kill_on_drop: false }` [INFO] [stdout] 436683252eb503bf22b2bdb24c48e55386262c2543563ad58f338da1ca56af77 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b4a22affc1d7317cf0981e42765e3393fa8d37fcad8d4372738a0e751b39bab [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8b4a22affc1d7317cf0981e42765e3393fa8d37fcad8d4372738a0e751b39bab", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.50 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking either v1.5.1 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling ncurses v5.99.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking pancurses v0.16.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking neat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/lib.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::dot::{Dot, Config}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> src/lib.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | use petgraph::dot::{Dot, Config}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> src/lib.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:537:15 [INFO] [stdout] | [INFO] [stdout] 537 | .map(|i| NodeGene { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:547:15 [INFO] [stdout] | [INFO] [stdout] 547 | .map(|i| NodeGene { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | for (i, node) in self.nodes.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:537:15 [INFO] [stdout] | [INFO] [stdout] 537 | .map(|i| NodeGene { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:547:15 [INFO] [stdout] | [INFO] [stdout] 547 | .map(|i| NodeGene { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/lib.rs:148:17 [INFO] [stdout] | [INFO] [stdout] 148 | for (i, node) in self.nodes.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut out_node = *genome [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | let mut in_node = *genome [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:564:9 [INFO] [stdout] | [INFO] [stdout] 564 | let mut nodes: HashMap = input_nodes [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | let mut out_node = *genome [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:183:9 [INFO] [stdout] | [INFO] [stdout] 183 | let mut in_node = *genome [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/lib.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | write!(&mut file, "{:?}", Dot::with_config(&deps, &[])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:564:9 [INFO] [stdout] | [INFO] [stdout] 564 | let mut nodes: HashMap = input_nodes [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> examples/xor.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom` [INFO] [stdout] --> examples/xor.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Genome` [INFO] [stdout] --> examples/xor.rs:10:49 [INFO] [stdout] | [INFO] [stdout] 10 | use neat::{initial_population, next_generation, Genome, Phenotype}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | write!(&mut file, "{:?}", Dot::with_config(&deps, &[])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom` [INFO] [stdout] --> examples/dungeon.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use rand::prelude::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Genome` [INFO] [stdout] --> examples/dungeon.rs:23:49 [INFO] [stdout] | [INFO] [stdout] 23 | use neat::{initial_population, next_generation, Genome, Phenotype}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom` [INFO] [stdout] --> examples/counter.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Genome` [INFO] [stdout] --> examples/counter.rs:10:49 [INFO] [stdout] | [INFO] [stdout] 10 | use neat::{initial_population, next_generation, Genome, Phenotype}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> examples/hello_world.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::prelude::SliceRandom` [INFO] [stdout] --> examples/hello_world.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use rand::prelude::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Genome` [INFO] [stdout] --> examples/hello_world.rs:10:49 [INFO] [stdout] | [INFO] [stdout] 10 | use neat::{initial_population, next_generation, Genome, Phenotype}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> examples/xor.rs:49:57 [INFO] [stdout] | [INFO] [stdout] 49 | let (most_fit, _) = fitness.iter().max_by_key(|(k,v)| (*v * 1000.0) as i32).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> examples/xor.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `most_fit` [INFO] [stdout] --> examples/xor.rs:49:14 [INFO] [stdout] | [INFO] [stdout] 49 | let (most_fit, _) = fitness.iter().max_by_key(|(k,v)| (*v * 1000.0) as i32).unwrap(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_most_fit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/xor.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> examples/dungeon.rs:312:9 [INFO] [stdout] | [INFO] [stdout] 293 | / loop { [INFO] [stdout] 294 | | for x in 0..dungeon.tiles.len() { [INFO] [stdout] 295 | | for y in 0..dungeon.tiles[0].len() { [INFO] [stdout] 296 | | window.mvprintw(y as i32, x as i32, [INFO] [stdout] ... | [INFO] [stdout] 310 | | dungeon.step(); [INFO] [stdout] 311 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 312 | endwin(); [INFO] [stdout] | ^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> examples/hello_world.rs:54:61 [INFO] [stdout] | [INFO] [stdout] 54 | let (most_fit, _) = fitness.iter().max_by_key(|(k,v)| (*v * 1000.0) as i32).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> examples/hello_world.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/hello_world.rs:25:22 [INFO] [stdout] | [INFO] [stdout] 25 | for (i, letter) in test.chars().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/hello_world.rs:42:25 [INFO] [stdout] | [INFO] [stdout] 42 | for i in 0..test.chars().count() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> examples/hello_world.rs:59:29 [INFO] [stdout] | [INFO] [stdout] 59 | for i in 0..test.chars().count() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/hello_world.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> examples/dungeon.rs:344:61 [INFO] [stdout] | [INFO] [stdout] 344 | let (most_fit, _) = fitness.iter().max_by_key(|(k,v)| (*v * 10000.0) as i32).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> examples/dungeon.rs:316:9 [INFO] [stdout] | [INFO] [stdout] 316 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/dungeon.rs:316:9 [INFO] [stdout] | [INFO] [stdout] 316 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/dungeon.rs:324:13 [INFO] [stdout] | [INFO] [stdout] 324 | let mut fitness:HashMap = phenotypes.par_iter().map(|(genome_id, phenotype)| { [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> examples/dungeon.rs:195:20 [INFO] [stdout] | [INFO] [stdout] 195 | if fx >= 0 && fx < self.tiles.len() && fy >= 0 && fy < self.tiles[0].len() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> examples/dungeon.rs:195:56 [INFO] [stdout] | [INFO] [stdout] 195 | if fx >= 0 && fx < self.tiles.len() && fy >= 0 && fy < self.tiles[0].len() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> examples/dungeon.rs:219:20 [INFO] [stdout] | [INFO] [stdout] 219 | if bx >= 0 && bx < self.tiles.len() && by >= 0 && by < self.tiles[0].len() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> examples/dungeon.rs:219:56 [INFO] [stdout] | [INFO] [stdout] 219 | if bx >= 0 && bx < self.tiles.len() && by >= 0 && by < self.tiles[0].len() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/dungeon.rs:351:7 [INFO] [stdout] | [INFO] [stdout] 351 | write!(&mut file, "{}", json.unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.76s [INFO] running `Command { std: "docker" "inspect" "8b4a22affc1d7317cf0981e42765e3393fa8d37fcad8d4372738a0e751b39bab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b4a22affc1d7317cf0981e42765e3393fa8d37fcad8d4372738a0e751b39bab", kill_on_drop: false }` [INFO] [stdout] 8b4a22affc1d7317cf0981e42765e3393fa8d37fcad8d4372738a0e751b39bab