[INFO] cloning repository https://github.com/christopherjmedlin/aoc-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/christopherjmedlin/aoc-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Faoc-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Faoc-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1105aecb9967b4cfb820d6df3fef3937c750298
[INFO] testing christopherjmedlin/aoc-2018 against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristopherjmedlin%2Faoc-2018" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christopherjmedlin/aoc-2018 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/christopherjmedlin/aoc-2018
[INFO] finished tweaking git repo https://github.com/christopherjmedlin/aoc-2018
[INFO] tweaked toml for git repo https://github.com/christopherjmedlin/aoc-2018 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/christopherjmedlin/aoc-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c07b57b612c47ddf0d02a70ee3ff230b8ba91c85b59d635a0915351c7f34569b
[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" "c07b57b612c47ddf0d02a70ee3ff230b8ba91c85b59d635a0915351c7f34569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c07b57b612c47ddf0d02a70ee3ff230b8ba91c85b59d635a0915351c7f34569b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c07b57b612c47ddf0d02a70ee3ff230b8ba91c85b59d635a0915351c7f34569b", kill_on_drop: false }`
[INFO] [stdout] c07b57b612c47ddf0d02a70ee3ff230b8ba91c85b59d635a0915351c7f34569b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1288596eea027e40ef4133065743a4b65ad64aae1f668a8213c019b8e606188
[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" "f1288596eea027e40ef4133065743a4b65ad64aae1f668a8213c019b8e606188", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/daytwo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude::*`
[INFO] [stdout]  --> src/dayfour.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/daysix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/daysix.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     duplicate = dist;;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/dayseven.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/dayten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/dayeleven.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/linkedlist.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             for i in 0..num {
[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/linkedlist.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             for i in 0..num {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `identical_characters`
[INFO] [stdout]  --> src/daytwo.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut identical_characters = String::new();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `correct_boxes_found`
[INFO] [stdout]  --> src/daytwo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut correct_boxes_found = false;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_boxes_found`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/daythree.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |     for &(id, x, y, width, height) in tiles.iter() {
[INFO] [stdout]    |           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayfive.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut i: usize = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/dayseven.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn part_two(input: &Vec<String>) -> String {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayeight.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 0..num_nodes {
[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]   --> src/dayeight.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in 0..num_metadata {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_metadata`
[INFO] [stdout]   --> src/dayeight.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uindex`
[INFO] [stdout]   --> src/dayeight.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let uindex = *index as u32;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_uindex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayeight.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..num_nodes {
[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]   --> src/dayeight.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in 0..num_metadata {
[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]   --> src/daynine.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for i in 0..players {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first_plant` is never read
[INFO] [stdout]   --> src/daytwelve.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 first_plant = true;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_state`
[INFO] [stdout]    --> src/daytwelve.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut new_state: PotState;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/daytwelve.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for i in 0..20 {
[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]    --> src/daytwelve.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for i in 0..100 {
[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/daythirteen.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let y = carts[0].location.1;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]   --> src/dayfourteen.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut end = recipes.get_cursor().unwrap();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayfourteen.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..pattern.len() {
[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]   --> src/dayfourteen.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     for i in 0..10 {
[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]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut input: Vec<String> = r.lines()
[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/daytwo.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut identical_characters = String::new();
[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/daytwo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut correct_boxes_found = false;
[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/dayfive.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut i: usize = 0;
[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/daysix.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut split: Vec<&str> = line.split(", ").collect();
[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/daysix.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut areas = &parse_input(input);
[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/dayeight.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secs_left`
[INFO] [stdout]   --> src/dayseven.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     secs_left: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/dayten.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     File::create("output.txt");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]    --> src/daythirteen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         x;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.19s
[INFO] running `Command { std: "docker" "inspect" "f1288596eea027e40ef4133065743a4b65ad64aae1f668a8213c019b8e606188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1288596eea027e40ef4133065743a4b65ad64aae1f668a8213c019b8e606188", kill_on_drop: false }`
[INFO] [stdout] f1288596eea027e40ef4133065743a4b65ad64aae1f668a8213c019b8e606188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33dd1a129a5ba609c705b70f86f5dc3d012e61d1aa08f7fa4e9912ed633dd52e
[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" "33dd1a129a5ba609c705b70f86f5dc3d012e61d1aa08f7fa4e9912ed633dd52e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aoc-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/daytwo.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::prelude::*`
[INFO] [stdout]  --> src/dayfour.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use chrono::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/daysix.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/daysix.rs:62:38
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     duplicate = dist;;
[INFO] [stdout]    |                                      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeSet`
[INFO] [stdout]  --> src/dayseven.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashMap};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/dayten.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/dayeleven.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/linkedlist.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |             for i in 0..num {
[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/linkedlist.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             for i in 0..num {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `identical_characters`
[INFO] [stdout]  --> src/daytwo.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut identical_characters = String::new();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `correct_boxes_found`
[INFO] [stdout]  --> src/daytwo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut correct_boxes_found = false;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_boxes_found`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/daythree.rs:62:11
[INFO] [stdout]    |
[INFO] [stdout] 62 |     for &(id, x, y, width, height) in tiles.iter() {
[INFO] [stdout]    |           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayfive.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut i: usize = 0;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/dayseven.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn part_two(input: &Vec<String>) -> String {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayeight.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     for i in 0..num_nodes {
[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]   --> src/dayeight.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for i in 0..num_metadata {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_metadata`
[INFO] [stdout]   --> src/dayeight.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uindex`
[INFO] [stdout]   --> src/dayeight.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let uindex = *index as u32;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_uindex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayeight.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..num_nodes {
[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]   --> src/dayeight.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in 0..num_metadata {
[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]   --> src/daynine.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for i in 0..players {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `first_plant` is never read
[INFO] [stdout]   --> src/daytwelve.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 first_plant = true;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_state`
[INFO] [stdout]    --> src/daytwelve.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut new_state: PotState;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/daytwelve.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for i in 0..20 {
[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]    --> src/daytwelve.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     for i in 0..100 {
[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/daythirteen.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let y = carts[0].location.1;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `end` is never read
[INFO] [stdout]   --> src/dayfourteen.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut end = recipes.get_cursor().unwrap();
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/dayfourteen.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..pattern.len() {
[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]   --> src/dayfourteen.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     for i in 0..10 {
[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]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let mut input: Vec<String> = r.lines()
[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/daytwo.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut identical_characters = String::new();
[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/daytwo.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut correct_boxes_found = false;
[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/dayfive.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let mut i: usize = 0;
[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/daysix.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut split: Vec<&str> = line.split(", ").collect();
[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/daysix.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     let mut areas = &parse_input(input);
[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/dayeight.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `secs_left`
[INFO] [stdout]   --> src/dayseven.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     secs_left: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/dayten.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     File::create("output.txt");
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: path statement with no effect
[INFO] [stdout]    --> src/daythirteen.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         x;
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(path_statements)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "33dd1a129a5ba609c705b70f86f5dc3d012e61d1aa08f7fa4e9912ed633dd52e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dd1a129a5ba609c705b70f86f5dc3d012e61d1aa08f7fa4e9912ed633dd52e", kill_on_drop: false }`
[INFO] [stdout] 33dd1a129a5ba609c705b70f86f5dc3d012e61d1aa08f7fa4e9912ed633dd52e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 86199f711c4959b7ff3ee48d5f5b1992dcedbc782ce53855eef7166518cf33cd
[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" "86199f711c4959b7ff3ee48d5f5b1992dcedbc782ce53855eef7166518cf33cd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/daytwo.rs:1:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]  --> src/dayfour.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use chrono::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/daysix.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/daysix.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     duplicate = dist;;
[INFO] [stderr]    |                                      ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BTreeSet`
[INFO] [stderr]  --> src/dayseven.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeSet, HashMap};
[INFO] [stderr]   |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/dayten.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `max`
[INFO] [stderr]  --> src/dayeleven.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/linkedlist.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |             for i in 0..num {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/linkedlist.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |             for i in 0..num {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `identical_characters`
[INFO] [stderr]  --> src/daytwo.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut identical_characters = String::new();
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identical_characters`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `correct_boxes_found`
[INFO] [stderr]  --> src/daytwo.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut correct_boxes_found = false;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_correct_boxes_found`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/daythree.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 |     for &(id, x, y, width, height) in tiles.iter() {
[INFO] [stderr]    |           ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayfive.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut i: usize = 0;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/dayseven.rs:133:13
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn part_two(input: &Vec<String>) -> String {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayeight.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     for i in 0..num_nodes {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayeight.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for i in 0..num_metadata {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_metadata`
[INFO] [stderr]   --> src/dayeight.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_metadata`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uindex`
[INFO] [stderr]   --> src/dayeight.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let uindex = *index as u32;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_uindex`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayeight.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     for i in 0..num_nodes {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayeight.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     for i in 0..num_metadata {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/daynine.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     for i in 0..players {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `first_plant` is never read
[INFO] [stderr]   --> src/daytwelve.rs:79:17
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 first_plant = true;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_state`
[INFO] [stderr]    --> src/daytwelve.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut new_state: PotState;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/daytwelve.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     for i in 0..20 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/daytwelve.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |     for i in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/daythirteen.rs:115:13
[INFO] [stderr]     |
[INFO] [stderr] 115 |         let y = carts[0].location.1;
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `end` is never read
[INFO] [stderr]   --> src/dayfourteen.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let mut end = recipes.get_cursor().unwrap();
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayfourteen.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..pattern.len() {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/dayfourteen.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     for i in 0..10 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let mut input: Vec<String> = r.lines()
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/daytwo.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut identical_characters = String::new();
[INFO] [stderr]   |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/daytwo.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut correct_boxes_found = false;
[INFO] [stderr]   |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dayfive.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut i: usize = 0;
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/daysix.rs:78:13
[INFO] [stderr]    |
[INFO] [stderr] 78 |         let mut split: Vec<&str> = line.split(", ").collect();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/daysix.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     let mut areas = &parse_input(input);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/dayeight.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut total_metadata: u32 = 0;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `secs_left`
[INFO] [stderr]   --> src/dayseven.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     secs_left: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dayten.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     File::create("output.txt");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: path statement with no effect
[INFO] [stderr]    --> src/daythirteen.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         x;
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(path_statements)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/aoc_2018-710370d5f0ac33b4
[INFO] running `Command { std: "docker" "inspect" "86199f711c4959b7ff3ee48d5f5b1992dcedbc782ce53855eef7166518cf33cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86199f711c4959b7ff3ee48d5f5b1992dcedbc782ce53855eef7166518cf33cd", kill_on_drop: false }`
[INFO] [stdout] 86199f711c4959b7ff3ee48d5f5b1992dcedbc782ce53855eef7166518cf33cd
