[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] a3ec5c6f4ba6cbc941c554da72a978e442f1e0d7
[INFO] checking blitzerr/rust-aoc2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblitzerr%2Frust-aoc2020" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blitzerr/rust-aoc2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/blitzerr/rust-aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0082da0fe882d77c919f33e5f3cf3ce5a25d3f04424047a85a029e832458f21
[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" "d0082da0fe882d77c919f33e5f3cf3ce5a25d3f04424047a85a029e832458f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0082da0fe882d77c919f33e5f3cf3ce5a25d3f04424047a85a029e832458f21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0082da0fe882d77c919f33e5f3cf3ce5a25d3f04424047a85a029e832458f21", kill_on_drop: false }`
[INFO] [stdout] d0082da0fe882d77c919f33e5f3cf3ce5a25d3f04424047a85a029e832458f21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3cc6a37f289589e33e1e2a111679ee2b41e50f98855aa4d5eac005ceb09aabfc
[INFO] running `Command { std: "docker" "start" "-a" "3cc6a37f289589e33e1e2a111679ee2b41e50f98855aa4d5eac005ceb09aabfc", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `part1`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part2`
[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: function is never used: `does_count_lie_between`
[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 is never used: `part1`
[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 is never used: `does_position_contain`
[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 is never used: `part2`
[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 never used: `is_tree`
[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: function is never used: `part1`
[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: function is never used: `part1`
[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 never used: `is_valid_height`
[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 never used: `is_valid_hair_color`
[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 is never used: `part2`
[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 is never used: `get_row_recursive`
[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 is never used: `get_row`
[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 is never used: `get_col`
[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 is never used: `find_missing_seat`
[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 is never used: `part1`
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "3cc6a37f289589e33e1e2a111679ee2b41e50f98855aa4d5eac005ceb09aabfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc6a37f289589e33e1e2a111679ee2b41e50f98855aa4d5eac005ceb09aabfc", kill_on_drop: false }`
[INFO] [stdout] 3cc6a37f289589e33e1e2a111679ee2b41e50f98855aa4d5eac005ceb09aabfc