[INFO] cloning repository https://github.com/SebastianDominguezC/advent-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SebastianDominguezC/advent-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianDominguezC%2Fadvent-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianDominguezC%2Fadvent-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5a5e8d7f336f177b7e81dc554676d0996c586ae
[INFO] testing SebastianDominguezC/advent-2021 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSebastianDominguezC%2Fadvent-2021" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SebastianDominguezC/advent-2021 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SebastianDominguezC/advent-2021
[INFO] finished tweaking git repo https://github.com/SebastianDominguezC/advent-2021
[INFO] tweaked toml for git repo https://github.com/SebastianDominguezC/advent-2021 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SebastianDominguezC/advent-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] def4dfde8e82eaa5ac6f1a13f3cc98c3bffd54869940df7c6acad14a94b9ea27
[INFO] running `Command { std: "docker" "start" "-a" "def4dfde8e82eaa5ac6f1a13f3cc98c3bffd54869940df7c6acad14a94b9ea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def4dfde8e82eaa5ac6f1a13f3cc98c3bffd54869940df7c6acad14a94b9ea27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def4dfde8e82eaa5ac6f1a13f3cc98c3bffd54869940df7c6acad14a94b9ea27", kill_on_drop: false }`
[INFO] [stdout] def4dfde8e82eaa5ac6f1a13f3cc98c3bffd54869940df7c6acad14a94b9ea27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d35f188b28219dcd8a36df962f863b9353ba25dcbf06ad7c74f07482494de78
[INFO] running `Command { std: "docker" "start" "-a" "1d35f188b28219dcd8a36df962f863b9353ba25dcbf06ad7c74f07482494de78", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/day4/mod.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for (i, board) in &mut winners.iter_mut().enumerate() {
[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: function is never used: `read`
[INFO] [stdout]  --> src/day1/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<i64>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day1/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day2/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day2/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day3/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day3/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oxygen_filter`
[INFO] [stdout]   --> src/day3/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn oxygen_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carbon_filter`
[INFO] [stdout]   --> src/day3/mod.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn carbon_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_counts`
[INFO] [stdout]   --> src/day3/mod.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn get_counts(info: &Vec<String>) -> Vec<(i32, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day4/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day4/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `grid`
[INFO] [stdout]    --> src/day4/mod.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     grid: Vec<Vec<i32>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day4/mod.rs:103:10
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remove`
[INFO] [stdout]    --> src/day4/mod.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     remove: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day4/mod.rs:103:10
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/day4/mod.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_row`
[INFO] [stdout]    --> src/day4/mod.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn add_row(&mut self, row: &String) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_number`
[INFO] [stdout]    --> src/day4/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn check_number(&mut self, num: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_win`
[INFO] [stdout]    --> src/day4/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn check_win(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_unmarked`
[INFO] [stdout]    --> src/day4/mod.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn sum_unmarked(&mut self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "1d35f188b28219dcd8a36df962f863b9353ba25dcbf06ad7c74f07482494de78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d35f188b28219dcd8a36df962f863b9353ba25dcbf06ad7c74f07482494de78", kill_on_drop: false }`
[INFO] [stdout] 1d35f188b28219dcd8a36df962f863b9353ba25dcbf06ad7c74f07482494de78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ce4a657c3865c5fbe2e76f43412a6b8549aa5c6190cc5d2c5d1553ba56ca17
[INFO] running `Command { std: "docker" "start" "-a" "60ce4a657c3865c5fbe2e76f43412a6b8549aa5c6190cc5d2c5d1553ba56ca17", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/day4/mod.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |         for (i, board) in &mut winners.iter_mut().enumerate() {
[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: function is never used: `read`
[INFO] [stdout]  --> src/day1/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<i64>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day1/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day2/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day2/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day3/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day3/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oxygen_filter`
[INFO] [stdout]   --> src/day3/mod.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn oxygen_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `carbon_filter`
[INFO] [stdout]   --> src/day3/mod.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn carbon_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_counts`
[INFO] [stdout]   --> src/day3/mod.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn get_counts(info: &Vec<String>) -> Vec<(i32, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read`
[INFO] [stdout]  --> src/day4/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/day4/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `grid`
[INFO] [stdout]    --> src/day4/mod.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     grid: Vec<Vec<i32>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day4/mod.rs:103:10
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `remove`
[INFO] [stdout]    --> src/day4/mod.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     remove: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day4/mod.rs:103:10
[INFO] [stdout]     |
[INFO] [stdout] 103 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/day4/mod.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_row`
[INFO] [stdout]    --> src/day4/mod.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn add_row(&mut self, row: &String) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_number`
[INFO] [stdout]    --> src/day4/mod.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn check_number(&mut self, num: i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_win`
[INFO] [stdout]    --> src/day4/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn check_win(&mut self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sum_unmarked`
[INFO] [stdout]    --> src/day4/mod.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn sum_unmarked(&mut self) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "60ce4a657c3865c5fbe2e76f43412a6b8549aa5c6190cc5d2c5d1553ba56ca17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ce4a657c3865c5fbe2e76f43412a6b8549aa5c6190cc5d2c5d1553ba56ca17", kill_on_drop: false }`
[INFO] [stdout] 60ce4a657c3865c5fbe2e76f43412a6b8549aa5c6190cc5d2c5d1553ba56ca17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00a7b05b3cfb440107696a000a5ee621e6719c61e3f4e8d2ae95fea4b0ee2131
[INFO] running `Command { std: "docker" "start" "-a" "00a7b05b3cfb440107696a000a5ee621e6719c61e3f4e8d2ae95fea4b0ee2131", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/day4/mod.rs:82:14
[INFO] [stderr]    |
[INFO] [stderr] 82 |         for (i, board) in &mut winners.iter_mut().enumerate() {
[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: function is never used: `read`
[INFO] [stderr]  --> src/day1/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<R: Read>(io: R) -> Result<Vec<i64>, Error> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day1/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]  --> src/day2/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day2/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]  --> src/day3/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day3/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `oxygen_filter`
[INFO] [stderr]   --> src/day3/mod.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn oxygen_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `carbon_filter`
[INFO] [stderr]   --> src/day3/mod.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn carbon_filter(info: Vec<String>, i: usize) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_counts`
[INFO] [stderr]   --> src/day3/mod.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn get_counts(info: &Vec<String>) -> Vec<(i32, i32)> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]  --> src/day4/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<R: Read>(io: R) -> Result<Vec<String>, Error> {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day4/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn main() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `grid`
[INFO] [stderr]    --> src/day4/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     grid: Vec<Vec<i32>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/day4/mod.rs:103:10
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(Debug, Clone)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `remove`
[INFO] [stderr]    --> src/day4/mod.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     remove: bool,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/day4/mod.rs:103:10
[INFO] [stderr]     |
[INFO] [stderr] 103 | #[derive(Debug, Clone)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/day4/mod.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_row`
[INFO] [stderr]    --> src/day4/mod.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn add_row(&mut self, row: &String) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_number`
[INFO] [stderr]    --> src/day4/mod.rs:126:8
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn check_number(&mut self, num: i32) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_win`
[INFO] [stderr]    --> src/day4/mod.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn check_win(&mut self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sum_unmarked`
[INFO] [stderr]    --> src/day4/mod.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 |     fn sum_unmarked(&mut self) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-2021` (bin "advent-2021" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_2021-2f9aa9bcb4155ce7)
[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" "00a7b05b3cfb440107696a000a5ee621e6719c61e3f4e8d2ae95fea4b0ee2131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00a7b05b3cfb440107696a000a5ee621e6719c61e3f4e8d2ae95fea4b0ee2131", kill_on_drop: false }`
[INFO] [stdout] 00a7b05b3cfb440107696a000a5ee621e6719c61e3f4e8d2ae95fea4b0ee2131