[INFO] cloning repository https://github.com/criminosis/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/criminosis/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcriminosis%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcriminosis%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40212e3ea7bbfd3bcfda9545e52efcaa13dbafcc
[INFO] testing criminosis/advent_of_code_2020 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcriminosis%2Fadvent_of_code_2020" "/workspace/builds/worker-70/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/criminosis/advent_of_code_2020 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/criminosis/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/criminosis/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/criminosis/advent_of_code_2020 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate git repo https://github.com/criminosis/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a5e71821b365e81938d667fa99b3d945b69cc685f70017d53a75b11602415e9
[INFO] running `Command { std: "docker" "start" "-a" "1a5e71821b365e81938d667fa99b3d945b69cc685f70017d53a75b11602415e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5e71821b365e81938d667fa99b3d945b69cc685f70017d53a75b11602415e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5e71821b365e81938d667fa99b3d945b69cc685f70017d53a75b11602415e9", kill_on_drop: false }`
[INFO] [stdout] 1a5e71821b365e81938d667fa99b3d945b69cc685f70017d53a75b11602415e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a794cbfd5a3fcc64abf557a3047366f5dcb47433ef3a631f3cc96fc12220d4d5
[INFO] running `Command { std: "docker" "start" "-a" "a794cbfd5a3fcc64abf557a3047366f5dcb47433ef3a631f3cc96fc12220d4d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem1.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_2020_triplet`
[INFO] [stdout]   --> src/problem1.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_2020_triplet(data: &mut Vec<u32>) -> (u32, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_2020_pair`
[INFO] [stdout]   --> src/problem1.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn find_2020_pair(data: &mut Vec<u32>) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_part_1`
[INFO] [stdout]   --> src/problem2.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn validate_part_1(input_row: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_part_2`
[INFO] [stdout]   --> src/problem2.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn validate_part_2(input_row: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `go_down_slope`
[INFO] [stdout]   --> src/problem3.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn go_down_slope(unit_rows: &Vec<Vec<char>>, movement: (usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem4.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_height`
[INFO] [stdout]   --> src/problem4.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn validate_height(to_validate: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_birth_year`
[INFO] [stdout]    --> src/problem4.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn validate_birth_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_issue_year`
[INFO] [stdout]    --> src/problem4.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn validate_issue_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_expiration_year`
[INFO] [stdout]    --> src/problem4.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn validate_expiration_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_eye_color`
[INFO] [stdout]    --> src/problem4.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn validate_eye_color(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_passport_id`
[INFO] [stdout]    --> src/problem4.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn validate_passport_id(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_hair_color`
[INFO] [stdout]    --> src/problem4.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn validate_hair_color(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem5.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `middle_of`
[INFO] [stdout]   --> src/problem5.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn middle_of (left: i32, right:i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_row`
[INFO] [stdout]   --> src/problem5.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn process_row(input: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem6.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_data_by_empty_lines`
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn group_data_by_empty_lines(input: &String) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "a794cbfd5a3fcc64abf557a3047366f5dcb47433ef3a631f3cc96fc12220d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a794cbfd5a3fcc64abf557a3047366f5dcb47433ef3a631f3cc96fc12220d4d5", kill_on_drop: false }`
[INFO] [stdout] a794cbfd5a3fcc64abf557a3047366f5dcb47433ef3a631f3cc96fc12220d4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06b5fea0660fc3573cef6155e85e1422caf975d1008ec1396abbbc023904fa48
[INFO] running `Command { std: "docker" "start" "-a" "06b5fea0660fc3573cef6155e85e1422caf975d1008ec1396abbbc023904fa48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem1.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_2020_triplet`
[INFO] [stdout]   --> src/problem1.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_2020_triplet(data: &mut Vec<u32>) -> (u32, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_2020_pair`
[INFO] [stdout]   --> src/problem1.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn find_2020_pair(data: &mut Vec<u32>) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_part_1`
[INFO] [stdout]   --> src/problem2.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn validate_part_1(input_row: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_part_2`
[INFO] [stdout]   --> src/problem2.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn validate_part_2(input_row: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `go_down_slope`
[INFO] [stdout]   --> src/problem3.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn go_down_slope(unit_rows: &Vec<Vec<char>>, movement: (usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem4.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_height`
[INFO] [stdout]   --> src/problem4.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn validate_height(to_validate: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_birth_year`
[INFO] [stdout]    --> src/problem4.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn validate_birth_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_issue_year`
[INFO] [stdout]    --> src/problem4.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn validate_issue_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_expiration_year`
[INFO] [stdout]    --> src/problem4.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn validate_expiration_year(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_eye_color`
[INFO] [stdout]    --> src/problem4.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn validate_eye_color(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_passport_id`
[INFO] [stdout]    --> src/problem4.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn validate_passport_id(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_hair_color`
[INFO] [stdout]    --> src/problem4.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn validate_hair_color(to_validate: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_two`
[INFO] [stdout]   --> src/problem5.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn part_two() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `middle_of`
[INFO] [stdout]   --> src/problem5.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn middle_of (left: i32, right:i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_row`
[INFO] [stdout]   --> src/problem5.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn process_row(input: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_one`
[INFO] [stdout]  --> src/problem6.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `group_data_by_empty_lines`
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn group_data_by_empty_lines(input: &String) -> Vec<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "06b5fea0660fc3573cef6155e85e1422caf975d1008ec1396abbbc023904fa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b5fea0660fc3573cef6155e85e1422caf975d1008ec1396abbbc023904fa48", kill_on_drop: false }`
[INFO] [stdout] 06b5fea0660fc3573cef6155e85e1422caf975d1008ec1396abbbc023904fa48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422e7cbf1f1350a451596eb453b4ad5fcffb55f3f48d763d99f3dbedbafe4fb3
[INFO] running `Command { std: "docker" "start" "-a" "422e7cbf1f1350a451596eb453b4ad5fcffb55f3f48d763d99f3dbedbafe4fb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem1.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_two`
[INFO] [stderr]   --> src/problem1.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn part_two() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_2020_triplet`
[INFO] [stderr]   --> src/problem1.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn find_2020_triplet(data: &mut Vec<u32>) -> (u32, u32, u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_2020_pair`
[INFO] [stderr]   --> src/problem1.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn find_2020_pair(data: &mut Vec<u32>) -> (u32, u32) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem2.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_two`
[INFO] [stderr]   --> src/problem2.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn part_two() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_part_1`
[INFO] [stderr]   --> src/problem2.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn validate_part_1(input_row: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_part_2`
[INFO] [stderr]   --> src/problem2.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn validate_part_2(input_row: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem3.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_two`
[INFO] [stderr]   --> src/problem3.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn part_two() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `go_down_slope`
[INFO] [stderr]   --> src/problem3.rs:28:4
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn go_down_slope(unit_rows: &Vec<Vec<char>>, movement: (usize, usize)) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem4.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_two`
[INFO] [stderr]   --> src/problem4.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn part_two() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_height`
[INFO] [stderr]   --> src/problem4.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn validate_height(to_validate: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_birth_year`
[INFO] [stderr]    --> src/problem4.rs:116:4
[INFO] [stderr]     |
[INFO] [stderr] 116 | fn validate_birth_year(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_issue_year`
[INFO] [stderr]    --> src/problem4.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn validate_issue_year(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_expiration_year`
[INFO] [stderr]    --> src/problem4.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn validate_expiration_year(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_eye_color`
[INFO] [stderr]    --> src/problem4.rs:158:4
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn validate_eye_color(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_passport_id`
[INFO] [stderr]    --> src/problem4.rs:167:4
[INFO] [stderr]     |
[INFO] [stderr] 167 | fn validate_passport_id(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_hair_color`
[INFO] [stderr]    --> src/problem4.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn validate_hair_color(to_validate: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem5.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_two`
[INFO] [stderr]   --> src/problem5.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn part_two() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `middle_of`
[INFO] [stderr]   --> src/problem5.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn middle_of (left: i32, right:i32) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `process_row`
[INFO] [stderr]   --> src/problem5.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn process_row(input: &str) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part_one`
[INFO] [stderr]  --> src/problem6.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn part_one() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `group_data_by_empty_lines`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn group_data_by_empty_lines(input: &String) -> Vec<String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2020` (bin "advent_of_code_2020" test) generated 26 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-ce7bbdceecb765f7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "422e7cbf1f1350a451596eb453b4ad5fcffb55f3f48d763d99f3dbedbafe4fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422e7cbf1f1350a451596eb453b4ad5fcffb55f3f48d763d99f3dbedbafe4fb3", kill_on_drop: false }`
[INFO] [stdout] 422e7cbf1f1350a451596eb453b4ad5fcffb55f3f48d763d99f3dbedbafe4fb3