[INFO] cloning repository https://github.com/Pluriscient/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pluriscient/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 036f665f9ee765ebf032fd01defbb70e64f86626 [INFO] checking Pluriscient/aoc2020 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pluriscient/aoc2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Pluriscient/aoc2020 [INFO] finished tweaking git repo https://github.com/Pluriscient/aoc2020 [INFO] tweaked toml for git repo https://github.com/Pluriscient/aoc2020 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Pluriscient/aoc2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec937c9bc763554ee04d345ab6249ff0e5f84c1cc20523e46ec8e59508b6ce6e [INFO] running `Command { std: "docker" "start" "-a" "ec937c9bc763554ee04d345ab6249ff0e5f84c1cc20523e46ec8e59508b6ce6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec937c9bc763554ee04d345ab6249ff0e5f84c1cc20523e46ec8e59508b6ce6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec937c9bc763554ee04d345ab6249ff0e5f84c1cc20523e46ec8e59508b6ce6e", kill_on_drop: false }` [INFO] [stdout] ec937c9bc763554ee04d345ab6249ff0e5f84c1cc20523e46ec8e59508b6ce6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28b3dc812b0b1065e32d9266452eca7ba6fa7f606ea276feb009696aad7f7f21 [INFO] running `Command { std: "docker" "start" "-a" "28b3dc812b0b1065e32d9266452eca7ba6fa7f606ea276feb009696aad7f7f21", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking factorial v0.2.0 [INFO] [stderr] Checking terminal_size v0.1.15 [INFO] [stderr] Checking modinverse v0.1.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking prgrs v0.6.4 [INFO] [stderr] Checking console v0.13.0 [INFO] [stderr] Checking indicatif v0.15.0 [INFO] [stderr] Compiling toml v0.5.7 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Compiling num_enum_derive v0.5.1 [INFO] [stderr] Checking num_enum v0.5.1 [INFO] [stderr] Checking aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Prgrs` [INFO] [stdout] --> src/years/year2020/day15.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use prgrs::{Prgrs}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/years/year2020/day15.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/years/year2020/day15.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for turn in (turn..turns) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `factorial::Factorial` [INFO] [stdout] --> src/years/year2020/day16.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use factorial::Factorial; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/years/year2020/day16.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/years/year2020/day17.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/years/year2020/day18.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Lines` [INFO] [stdout] --> src/years/year2020/day19.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::{FromStr, Lines}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/years/year2020/day20.rs:52:24 [INFO] [stdout] | [INFO] [stdout] 52 | res |= (1 << i) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Prgrs` [INFO] [stdout] --> src/years/year2020/day15.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use prgrs::{Prgrs}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/years/year2020/day15.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/years/year2020/day15.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | for turn in (turn..turns) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `factorial::Factorial` [INFO] [stdout] --> src/years/year2020/day16.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use factorial::Factorial; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/years/year2020/day16.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/years/year2020/day18.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Itertools` [INFO] [stdout] --> src/years/year2020/day18.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use itertools::Itertools; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Lines` [INFO] [stdout] --> src/years/year2020/day19.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::str::{FromStr, Lines}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/years/year2020/day20.rs:52:24 [INFO] [stdout] | [INFO] [stdout] 52 | res |= (1 << i) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `starting_numbers` [INFO] [stdout] --> src/years/year2020/day15.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | fn solve_part_one(starting_numbers: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_numbers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/years/year2020/day16.rs:82:31 [INFO] [stdout] | [INFO] [stdout] 82 | res.iter().filter(|(rule, val)| rule.field.starts_with("cl")) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grid` [INFO] [stdout] --> src/years/year2020/day17.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | fn solve_part_two(grid: Grid) -> usize { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_grid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual_rule` [INFO] [stdout] --> src/years/year2020/day19.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let actual_rule = ruleset.rules.get(&0).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/years/year2020/day19.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | fn solve_part_one(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ruleset` [INFO] [stdout] --> src/years/year2020/day19.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ruleset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/years/year2020/day19.rs:14:37 [INFO] [stdout] | [INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rest` [INFO] [stdout] --> src/years/year2020/day19.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | if let Some(rest) = self.fits_rule(remainder, r) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/years/year2020/day19.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 45 | Or(left, right) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/years/year2020/day19.rs:45:22 [INFO] [stdout] | [INFO] [stdout] 45 | Or(left, right) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tiles` [INFO] [stdout] --> src/years/year2020/day20.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | fn solve_part_two(tiles: Vec) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tiles` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `starting_numbers` [INFO] [stdout] --> src/years/year2020/day15.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | fn solve_part_one(starting_numbers: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_starting_numbers` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/years/year2020/day16.rs:82:31 [INFO] [stdout] | [INFO] [stdout] 82 | res.iter().filter(|(rule, val)| rule.field.starts_with("cl")) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `grid` [INFO] [stdout] --> src/years/year2020/day17.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | fn solve_part_two(grid: Grid) -> usize { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_grid` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `actual_rule` [INFO] [stdout] --> src/years/year2020/day19.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let actual_rule = ruleset.rules.get(&0).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/years/year2020/day19.rs:8:37 [INFO] [stdout] | [INFO] [stdout] 8 | fn solve_part_one(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ruleset` [INFO] [stdout] --> src/years/year2020/day19.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ruleset` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/years/year2020/day19.rs:14:37 [INFO] [stdout] | [INFO] [stdout] 14 | fn solve_part_two(ruleset: RuleSet, messages: Vec) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rest` [INFO] [stdout] --> src/years/year2020/day19.rs:38:33 [INFO] [stdout] | [INFO] [stdout] 38 | if let Some(rest) = self.fits_rule(remainder, r) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rest` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> src/years/year2020/day19.rs:45:16 [INFO] [stdout] | [INFO] [stdout] 45 | Or(left, right) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> src/years/year2020/day19.rs:45:22 [INFO] [stdout] | [INFO] [stdout] 45 | Or(left, right) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tiles` [INFO] [stdout] --> src/years/year2020/day20.rs:17:19 [INFO] [stdout] | [INFO] [stdout] 17 | fn solve_part_two(tiles: Vec) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tiles` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> src/years/year2020/day20.rs:135:24 [INFO] [stdout] | [INFO] [stdout] 135 | while let Some(line) = lines.peek() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/years/year2020/day19.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut remainder = current.clone(); [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 borrow that must be used [INFO] [stdout] --> src/years/year2020/day20.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | &eff_tiles[0].flip(FlipDirection::Horizontal); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/years/year2020/day19.rs:35:21 [INFO] [stdout] | [INFO] [stdout] 35 | let mut remainder = current.clone(); [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 borrow that must be used [INFO] [stdout] --> src/years/year2020/day20.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | &eff_tiles[0].flip(FlipDirection::Horizontal); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.49s [INFO] running `Command { std: "docker" "inspect" "28b3dc812b0b1065e32d9266452eca7ba6fa7f606ea276feb009696aad7f7f21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28b3dc812b0b1065e32d9266452eca7ba6fa7f606ea276feb009696aad7f7f21", kill_on_drop: false }` [INFO] [stdout] 28b3dc812b0b1065e32d9266452eca7ba6fa7f606ea276feb009696aad7f7f21