[INFO] updating cached repository https://github.com/vsmart/advent_of_code_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eadf90331087a3ae7f7927bf13f184c3c8a1711b
[INFO] testing vsmart/advent_of_code_2019 against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvsmart%2Fadvent_of_code_2019" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vsmart/advent_of_code_2019 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vsmart/advent_of_code_2019
[INFO] finished tweaking git repo https://github.com/vsmart/advent_of_code_2019
[INFO] tweaked toml for git repo https://github.com/vsmart/advent_of_code_2019 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vsmart/advent_of_code_2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1eaa08574e0a123afac1c99fb18e0a01e1e275bb2e602745e8d63ea89251d15
[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" "e1eaa08574e0a123afac1c99fb18e0a01e1e275bb2e602745e8d63ea89251d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1eaa08574e0a123afac1c99fb18e0a01e1e275bb2e602745e8d63ea89251d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1eaa08574e0a123afac1c99fb18e0a01e1e275bb2e602745e8d63ea89251d15", kill_on_drop: false }`
[INFO] [stdout] e1eaa08574e0a123afac1c99fb18e0a01e1e275bb2e602745e8d63ea89251d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f80328b0b976fc4ecc802578ed75ea1961ccf45d7cedd2d59b5f36dd51eec1df
[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" "f80328b0b976fc4ecc802578ed75ea1961ccf45d7cedd2d59b5f36dd51eec1df", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/days/day_1.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         calculate_fuels_fuel(newfuel, (total_mass + newfuel))
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/days/day_2.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if (i % 4 != 0) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/days/day_3.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |         if (distance < shortest_distance || shortest_distance == -1) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_5.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/days/day_5.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (i != next_i) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/days/day_3.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for (n, e) in cable.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/days/day_3.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     for (n, e) in cable2.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day_2.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut nums = read_input_day2();
[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: function is never used: `read_file`
[INFO] [stdout]  --> src/days/day_1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_file() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel`
[INFO] [stdout]   --> src/days/day_1.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn calculate_fuel(mass: &i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_1_1`
[INFO] [stdout]   --> src/days/day_1.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn day_1_1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuels_fuel`
[INFO] [stdout]   --> src/days/day_1.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn calculate_fuels_fuel(init_fuel: i32, total_mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_1_2`
[INFO] [stdout]   --> src/days/day_1.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn day_1_2() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input_day2`
[INFO] [stdout]  --> src/days/day_2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_input_day2() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_line`
[INFO] [stdout]   --> src/days/day_2.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn consume_line(nums: &Vec<i32>, index: &usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_computer`
[INFO] [stdout]   --> src/days/day_2.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn run_computer(mut nums: Vec<i32>, noun: i32, verb: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_2_1`
[INFO] [stdout]   --> src/days/day_2.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn day_2_1() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_2_2`
[INFO] [stdout]   --> src/days/day_2.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn day_2_2(){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map_cables_on_grid`
[INFO] [stdout]  --> src/days/day_3.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn map_cables_on_grid(cable: Vec<(char, i32)>, cable2: Vec<(char, i32)>) -> HashMap<(i32, i32), i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_closest_point`
[INFO] [stdout]    --> src/days/day_3.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_closest_point(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_least_steps`
[INFO] [stdout]    --> src/days/day_3.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn find_least_steps(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_3_1_read_input`
[INFO] [stdout]    --> src/days/day_3.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn day_3_1_read_input() -> (Vec<(char, i32)>, Vec<(char, i32)>){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_3_1`
[INFO] [stdout]    --> src/days/day_3.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn day_3_1() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_cons_nums`
[INFO] [stdout]  --> src/days/day_4.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn two_cons_nums(number: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `only_two_cons_nums`
[INFO] [stdout]   --> src/days/day_4.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_two_cons_nums(number: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increasing_nums`
[INFO] [stdout]   --> src/days/day_4.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn increasing_nums(number: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_4_1`
[INFO] [stdout]   --> src/days/day_4.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn day_4_1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_4_2`
[INFO] [stdout]   --> src/days/day_4.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn day_4_2() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f80328b0b976fc4ecc802578ed75ea1961ccf45d7cedd2d59b5f36dd51eec1df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80328b0b976fc4ecc802578ed75ea1961ccf45d7cedd2d59b5f36dd51eec1df", kill_on_drop: false }`
[INFO] [stdout] f80328b0b976fc4ecc802578ed75ea1961ccf45d7cedd2d59b5f36dd51eec1df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 758723604ab55a0415c32869bc35ac7197be7f6b9e50f40a26ec7fedbfc3b9bc
[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" "758723604ab55a0415c32869bc35ac7197be7f6b9e50f40a26ec7fedbfc3b9bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_1.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/days/day_1.rs:31:39
[INFO] [stdout]    |
[INFO] [stdout] 31 |         calculate_fuels_fuel(newfuel, (total_mass + newfuel))
[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: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/days/day_2.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if (i % 4 != 0) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/days/day_3.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |         if (distance < shortest_distance || shortest_distance == -1) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/days/day_5.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/days/day_5.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |         if (i != next_i) { continue; }
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/days/day_3.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |     for (n, e) in cable.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/days/day_3.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     for (n, e) in cable2.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day_2.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut nums = read_input_day2();
[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: function is never used: `read_file`
[INFO] [stdout]  --> src/days/day_1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_file() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel`
[INFO] [stdout]   --> src/days/day_1.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn calculate_fuel(mass: &i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_1_1`
[INFO] [stdout]   --> src/days/day_1.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn day_1_1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuels_fuel`
[INFO] [stdout]   --> src/days/day_1.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn calculate_fuels_fuel(init_fuel: i32, total_mass: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_1_2`
[INFO] [stdout]   --> src/days/day_1.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn day_1_2() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input_day2`
[INFO] [stdout]  --> src/days/day_2.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_input_day2() -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `consume_line`
[INFO] [stdout]   --> src/days/day_2.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn consume_line(nums: &Vec<i32>, index: &usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_computer`
[INFO] [stdout]   --> src/days/day_2.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn run_computer(mut nums: Vec<i32>, noun: i32, verb: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_2_1`
[INFO] [stdout]   --> src/days/day_2.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn day_2_1() {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_2_2`
[INFO] [stdout]   --> src/days/day_2.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn day_2_2(){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map_cables_on_grid`
[INFO] [stdout]  --> src/days/day_3.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn map_cables_on_grid(cable: Vec<(char, i32)>, cable2: Vec<(char, i32)>) -> HashMap<(i32, i32), i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_closest_point`
[INFO] [stdout]    --> src/days/day_3.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_closest_point(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_least_steps`
[INFO] [stdout]    --> src/days/day_3.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn find_least_steps(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_3_1_read_input`
[INFO] [stdout]    --> src/days/day_3.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn day_3_1_read_input() -> (Vec<(char, i32)>, Vec<(char, i32)>){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_3_1`
[INFO] [stdout]    --> src/days/day_3.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn day_3_1() {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two_cons_nums`
[INFO] [stdout]  --> src/days/day_4.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn two_cons_nums(number: i32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `only_two_cons_nums`
[INFO] [stdout]   --> src/days/day_4.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_two_cons_nums(number: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increasing_nums`
[INFO] [stdout]   --> src/days/day_4.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn increasing_nums(number: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_4_1`
[INFO] [stdout]   --> src/days/day_4.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn day_4_1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day_4_2`
[INFO] [stdout]   --> src/days/day_4.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn day_4_2() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "758723604ab55a0415c32869bc35ac7197be7f6b9e50f40a26ec7fedbfc3b9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "758723604ab55a0415c32869bc35ac7197be7f6b9e50f40a26ec7fedbfc3b9bc", kill_on_drop: false }`
[INFO] [stdout] 758723604ab55a0415c32869bc35ac7197be7f6b9e50f40a26ec7fedbfc3b9bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6452326745ccf1f2a6ddcb014bf360a0f1220737da1e27b52fdc155c17b41aa5
[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" "6452326745ccf1f2a6ddcb014bf360a0f1220737da1e27b52fdc155c17b41aa5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/days/day_1.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/days/day_1.rs:31:39
[INFO] [stderr]    |
[INFO] [stderr] 31 |         calculate_fuels_fuel(newfuel, (total_mass + newfuel))
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/days/day_2.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/days/day_2.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |         if (i % 4 != 0) { continue; }
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/days/day_3.rs:138:12
[INFO] [stderr]     |
[INFO] [stderr] 138 |         if (distance < shortest_distance || shortest_distance == -1) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/days/day_5.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/days/day_5.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |         if (i != next_i) { continue; }
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/days/day_3.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for (n, e) in cable.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/days/day_3.rs:55:10
[INFO] [stderr]    |
[INFO] [stderr] 55 |     for (n, e) in cable2.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/days/day_2.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut nums = read_input_day2();
[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: function is never used: `read_file`
[INFO] [stderr]  --> src/days/day_1.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn read_file() -> Vec<i32> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_fuel`
[INFO] [stderr]   --> src/days/day_1.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn calculate_fuel(mass: &i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_1_1`
[INFO] [stderr]   --> src/days/day_1.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn day_1_1() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_fuels_fuel`
[INFO] [stderr]   --> src/days/day_1.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn calculate_fuels_fuel(init_fuel: i32, total_mass: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_1_2`
[INFO] [stderr]   --> src/days/day_1.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn day_1_2() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_input_day2`
[INFO] [stderr]  --> src/days/day_2.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn read_input_day2() -> Vec<i32> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `consume_line`
[INFO] [stderr]   --> src/days/day_2.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn consume_line(nums: &Vec<i32>, index: &usize) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_computer`
[INFO] [stderr]   --> src/days/day_2.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn run_computer(mut nums: Vec<i32>, noun: i32, verb: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_2_1`
[INFO] [stderr]   --> src/days/day_2.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn day_2_1() {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_2_2`
[INFO] [stderr]   --> src/days/day_2.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn day_2_2(){
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `map_cables_on_grid`
[INFO] [stderr]  --> src/days/day_3.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn map_cables_on_grid(cable: Vec<(char, i32)>, cable2: Vec<(char, i32)>) -> HashMap<(i32, i32), i32> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_closest_point`
[INFO] [stderr]    --> src/days/day_3.rs:134:4
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn find_closest_point(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_least_steps`
[INFO] [stderr]    --> src/days/day_3.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn find_least_steps(set: &HashMap<(i32, i32), i32>) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_3_1_read_input`
[INFO] [stderr]    --> src/days/day_3.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn day_3_1_read_input() -> (Vec<(char, i32)>, Vec<(char, i32)>){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_3_1`
[INFO] [stderr]    --> src/days/day_3.rs:163:4
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn day_3_1() {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_cons_nums`
[INFO] [stderr]  --> src/days/day_4.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn two_cons_nums(number: i32) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `only_two_cons_nums`
[INFO] [stderr]   --> src/days/day_4.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn only_two_cons_nums(number: i32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increasing_nums`
[INFO] [stderr]   --> src/days/day_4.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn increasing_nums(number: i32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_4_1`
[INFO] [stderr]   --> src/days/day_4.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn day_4_1() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `day_4_2`
[INFO] [stderr]   --> src/days/day_4.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub fn day_4_2() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2019-ada3455059637e53
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6452326745ccf1f2a6ddcb014bf360a0f1220737da1e27b52fdc155c17b41aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6452326745ccf1f2a6ddcb014bf360a0f1220737da1e27b52fdc155c17b41aa5", kill_on_drop: false }`
[INFO] [stdout] 6452326745ccf1f2a6ddcb014bf360a0f1220737da1e27b52fdc155c17b41aa5