[INFO] cloning repository https://github.com/blitzerr/rust-aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blitzerr/rust-aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzerr%2Frust-aoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzerr%2Frust-aoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a8902bb8030c6b4a403e869421f80ccac69877
[INFO] checking blitzerr/rust-aoc2020 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzerr%2Frust-aoc2020" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/blitzerr/rust-aoc2020
[INFO] finished tweaking git repo https://github.com/blitzerr/rust-aoc2020
[INFO] tweaked toml for git repo https://github.com/blitzerr/rust-aoc2020 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/blitzerr/rust-aoc2020 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/blitzerr/rust-aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fc6117435e1e0ca453860ed2bc28a1ea860f0608d8a39af867c5f46ecf2bd9a
[INFO] running `Command { std: "docker" "start" "-a" "8fc6117435e1e0ca453860ed2bc28a1ea860f0608d8a39af867c5f46ecf2bd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fc6117435e1e0ca453860ed2bc28a1ea860f0608d8a39af867c5f46ecf2bd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc6117435e1e0ca453860ed2bc28a1ea860f0608d8a39af867c5f46ecf2bd9a", kill_on_drop: false }`
[INFO] [stdout] 8fc6117435e1e0ca453860ed2bc28a1ea860f0608d8a39af867c5f46ecf2bd9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f819ef486688bbbe67b39f78f4317ec1b89b646bd9532ad9f5b0395f9db3966
[INFO] running `Command { std: "docker" "start" "-a" "8f819ef486688bbbe67b39f78f4317ec1b89b646bd9532ad9f5b0395f9db3966", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day1.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn part1(expense: &[i32], sum: &i32) -> Option<i32> { 
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day1.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn part2(expense: &[i32], sum: &i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RuleAndExampleSet` is never constructed
[INFO] [stdout]  --> src/day2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct RuleAndExampleSet {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_split` is never used
[INFO] [stdout]   --> src/day2.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn my_split<'a>(pat: &'a str, line: &'a str) -> (&'a str, &'a str) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `does_count_lie_between` is never used
[INFO] [stdout]   --> src/day2.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn does_count_lie_between(rule: &RuleAndExampleSet) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day2.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn part1(pwds: &[&str]) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `does_position_contain` is never used
[INFO] [stdout]   --> src/day2.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn does_position_contain(rule: &RuleAndExampleSet) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day2.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn part2(pwds: &[&str]) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_tree` is never used
[INFO] [stdout]  --> src/day3.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn is_tree(line: &str, idx: usize) -> bool {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Step` is never constructed
[INFO] [stdout]  --> src/day3.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Step {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Pos {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day3.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn part1(trees: &[&str], steps_to_rt: usize, steps_down: usize) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Passport` is never constructed
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Passport {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day4.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Passport {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 18 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day4.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn part1(input: &str) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_height` is never used
[INFO] [stdout]    --> src/day4.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn is_valid_height(ht: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_hair_color` is never used
[INFO] [stdout]    --> src/day4.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn is_valid_hair_color(hcl: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/day4.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn part2(passport: &Passport) -> bool {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_row_recursive` is never used
[INFO] [stdout]  --> src/day5.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn get_row_recursive(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_row` is never used
[INFO] [stdout]   --> src/day5.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn get_row(row_str: &[char]) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_col` is never used
[INFO] [stdout]   --> src/day5.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn get_col(col_str: &[char]) -> usize {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_missing_seat` is never used
[INFO] [stdout]   --> src/day5.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn find_missing_seat(seats: &Vec<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day5.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn part1(boarding_passes: &[&str]) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_yesses` is never used
[INFO] [stdout]  --> src/day6.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn all_yesses(s: &Vec<char>, members: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_groups` is never used
[INFO] [stdout]   --> src/day6.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_groups(s: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_string_to_map` is never used
[INFO] [stdout]   --> src/day7.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse_string_to_map(s: &str) -> HashMap<String, Vec<(i32, String)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_all_paths` is never used
[INFO] [stdout]   --> src/day7.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn create_all_paths<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day7.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn part1(s: &str, key: &str) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `travel` is never used
[INFO] [stdout]    --> src/day7.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn travel(key: &str, hm: &HashMap<String, Vec<(i32, String)>>, spaces: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/day7.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn part2(s: &str, key: &str) -> i32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]  --> src/day8.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse(s: &str) -> Vec<(&str, i32)> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day8.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn part1(s: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec` is never used
[INFO] [stdout]   --> src/day8.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn exec(v: &Vec<(&str, i32)>) -> (i32, bool) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modify` is never used
[INFO] [stdout]   --> src/day8.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn modify(v: &mut Vec<(&str, i32)>, curr: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day8.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn part2(s: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/day7.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for v in hm.get(&key.to_string()) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 105 -     for v in hm.get(&key.to_string()) {
[INFO] [stdout] 105 +     while let Some(v) = hm.get(&key.to_string()) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 105 -     for v in hm.get(&key.to_string()) {
[INFO] [stdout] 105 +     if let Some(v) = hm.get(&key.to_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/day7.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |     for v in hm.get(&key.to_string()) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 105 -     for v in hm.get(&key.to_string()) {
[INFO] [stdout] 105 +     while let Some(v) = hm.get(&key.to_string()) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 105 -     for v in hm.get(&key.to_string()) {
[INFO] [stdout] 105 +     if let Some(v) = hm.get(&key.to_string()) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "8f819ef486688bbbe67b39f78f4317ec1b89b646bd9532ad9f5b0395f9db3966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f819ef486688bbbe67b39f78f4317ec1b89b646bd9532ad9f5b0395f9db3966", kill_on_drop: false }`
[INFO] [stdout] 8f819ef486688bbbe67b39f78f4317ec1b89b646bd9532ad9f5b0395f9db3966
