[INFO] cloning repository https://github.com/EdoardoLuciani/aoc2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EdoardoLuciani/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2Faoc2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2Faoc2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5dc1e63c97f4836859220a4acec92939e647267 [INFO] building EdoardoLuciani/aoc2021 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdoardoLuciani%2Faoc2021" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EdoardoLuciani/aoc2021 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EdoardoLuciani/aoc2021 [INFO] finished tweaking git repo https://github.com/EdoardoLuciani/aoc2021 [INFO] tweaked toml for git repo https://github.com/EdoardoLuciani/aoc2021 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/EdoardoLuciani/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9c6eda03c161446bbb3cf60357a52bde51a18e1fdd91a44bd0d024e2602801e3 [INFO] running `Command { std: "docker" "start" "-a" "9c6eda03c161446bbb3cf60357a52bde51a18e1fdd91a44bd0d024e2602801e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9c6eda03c161446bbb3cf60357a52bde51a18e1fdd91a44bd0d024e2602801e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c6eda03c161446bbb3cf60357a52bde51a18e1fdd91a44bd0d024e2602801e3", kill_on_drop: false }` [INFO] [stdout] 9c6eda03c161446bbb3cf60357a52bde51a18e1fdd91a44bd0d024e2602801e3 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bd619700106c934c7f218c3f9156a9aa46b741111813a392cca9c33c6497364 [INFO] running `Command { std: "docker" "start" "-a" "3bd619700106c934c7f218c3f9156a9aa46b741111813a392cca9c33c6497364", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/day5/main.rs:84:16 [INFO] [stdout] | [INFO] [stdout] 84 | if (temp_line_coords[0] == temp_line_coords[2] [INFO] [stdout] | ^ [INFO] [stdout] 85 | || temp_line_coords[1] == temp_line_coords[3]) [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 84 ~ if temp_line_coords[0] == temp_line_coords[2] [INFO] [stdout] 85 ~ || temp_line_coords[1] == temp_line_coords[3] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/bin/day13/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> src/bin/day5/main.rs:60:35 [INFO] [stdout] | [INFO] [stdout] 60 | diagram_map_copy.retain(|&k, v| v > &mut 1); [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 import: `std::collections::HashMap` [INFO] [stdout] --> src/bin/day13/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `read` [INFO] [stdout] --> src/bin/day13/main.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::{read, File}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/bin/day13/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/day13/main.rs:95:20 [INFO] [stdout] | [INFO] [stdout] 95 | for row in (first_coord.1..=second_coord.1) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 95 - for row in (first_coord.1..=second_coord.1) { [INFO] [stdout] 95 + for row in first_coord.1..=second_coord.1 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/bin/day13/main.rs:96:24 [INFO] [stdout] | [INFO] [stdout] 96 | for col in (first_coord.0..=second_coord.0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 96 - for col in (first_coord.0..=second_coord.0) { [INFO] [stdout] 96 + for col in first_coord.0..=second_coord.0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `start` is never read [INFO] [stdout] --> src/bin/day5/main.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | struct Line { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 9 | pub start: (i32, i32), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day7/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | file.read_to_string(&mut line); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 8 | let _ = file.read_to_string(&mut line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `ret_value` in this scope [INFO] [stdout] --> src/bin/day8/main.rs:79:22 [INFO] [stdout] | [INFO] [stdout] 79 | 4 => ret_value.push(4), [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `ret_value` in this scope [INFO] [stdout] --> src/bin/day8/main.rs:80:22 [INFO] [stdout] | [INFO] [stdout] 80 | 7 => ret_value.push(8), [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `folds_to_execute_count` [INFO] [stdout] --> src/bin/day13/main.rs:150:9 [INFO] [stdout] | [INFO] [stdout] 150 | let folds_to_execute_count = folds.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_folds_to_execute_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `HashSet` [INFO] [stdout] --> src/bin/day10/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, HashSet, VecDeque}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/bin/day9/main.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | if let Some(val) = mat.is_low_point(row_idx, col_idx) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> src/bin/day6/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | for day in 1..=days { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/day9/main.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | let mut basin_sizes = get_basin_sizes(&matrix); [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 import: `Write` [INFO] [stdout] --> src/bin/day16/main.rs:2:27 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Formatter, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `boards_len` [INFO] [stdout] --> src/bin/day4/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let boards_len = boards.len(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_boards_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `boards` as immutable because it is also borrowed as mutable [INFO] [stdout] --> src/bin/day4/main.rs:103:36 [INFO] [stdout] | [INFO] [stdout] 97 | for board in boards.iter_mut() { [INFO] [stdout] | ----------------- [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | mutable borrow later used here [INFO] [stdout] ... [INFO] [stdout] 103 | if winner_count == boards.len() as u32 { [INFO] [stdout] | ^^^^^^ immutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day6/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | file.read_to_string(&mut line); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = file.read_to_string(&mut line); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (bin "day8") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: method `compute_steps_until_all_equal` is never used [INFO] [stdout] --> src/bin/day11/main.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Matrix { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 98 | fn compute_steps_until_all_equal(&mut self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> src/bin/day16/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let version = u8::from_str_radix(&bytes[0..3], 2).unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/day16/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | for i in 0..sub_packets_count { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/day16/main.rs:87:21 [INFO] [stdout] | [INFO] [stdout] 87 | for i in 0..sub_packets_num { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/day17/main.rs:31:45 [INFO] [stdout] | [INFO] [stdout] 31 | let avg_x : f64 = points.iter().map(|(x,y)| x).sum::() / points.len() as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/day17/main.rs:32:43 [INFO] [stdout] | [INFO] [stdout] 32 | let avg_y : f64 = points.iter().map(|(x,y)| y).sum::() / points.len() as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/day17/main.rs:34:46 [INFO] [stdout] | [INFO] [stdout] 34 | let avg_x2 : f64 = points.iter().map(|(x,y)| x*x).sum::() / points.len() as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/day17/main.rs:35:46 [INFO] [stdout] | [INFO] [stdout] 35 | let avg_x3 : f64 = points.iter().map(|(x,y)| x*x*x).sum::() / points.len() as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/day17/main.rs:36:46 [INFO] [stdout] | [INFO] [stdout] 36 | let avg_x4 : f64 = points.iter().map(|(x,y)| x*x*x*x).sum::() / points.len() as f64; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc2021` (bin "day4") due to 1 previous error; 1 warning emitted [INFO] [stdout] warning: function `read_input_from_file` is never used [INFO] [stdout] --> src/bin/day15/main.rs:63:4 [INFO] [stdout] | [INFO] [stdout] 63 | fn read_input_from_file() -> Matrix { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_y` [INFO] [stdout] --> src/bin/day17/main.rs:94:25 [INFO] [stdout] | [INFO] [stdout] 94 | if let Some(max_y) = simulate_shot((x,y), target_start, target_end) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_packet_len` is never used [INFO] [stdout] --> src/bin/day16/main.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Packet { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 52 | fn get_packet_len(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Polynomial2` is never constructed [INFO] [stdout] --> src/bin/day17/main.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Polynomial2 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `eval`, and `max_point` are never used [INFO] [stdout] --> src/bin/day17/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl Polynomial2 { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 10 | fn new(a : f64, b: f64, c:f64 ) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn eval(&self, x : f64) -> f64 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | fn max_point(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `polynomial_curve_fitting` is never used [INFO] [stdout] --> src/bin/day17/main.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn polynomial_curve_fitting(points : Vec::<(f64, f64)>) -> Polynomial2 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/day16/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | file.read_to_string(&mut content); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 132 | let _ = file.read_to_string(&mut content); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/bin/day16/main.rs:164:58 [INFO] [stdout] | [INFO] [stdout] 164 | return subpackets.iter().map(|s| get_expression(s.clone())).reduce(red_fun).unwrap(); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Packet` does not implement `Clone`, so calling `clone` on `&Packet` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 164 - return subpackets.iter().map(|s| get_expression(s.clone())).reduce(red_fun).unwrap(); [INFO] [stdout] 164 + return subpackets.iter().map(|s| get_expression(s)).reduce(red_fun).unwrap(); [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `Packet`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 6 + #[derive(Clone)] [INFO] [stdout] 7 | struct Packet { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3bd619700106c934c7f218c3f9156a9aa46b741111813a392cca9c33c6497364", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bd619700106c934c7f218c3f9156a9aa46b741111813a392cca9c33c6497364", kill_on_drop: false }` [INFO] [stdout] 3bd619700106c934c7f218c3f9156a9aa46b741111813a392cca9c33c6497364