[INFO] cloning repository https://github.com/ryanshappell/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/ryanshappell/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshappell%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshappell%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 521e650c3f2cb30296a62d789f0b74759379712b
[INFO] checking ryanshappell/advent-of-code-2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanshappell%2Fadvent-of-code-2020" "/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/ryanshappell/advent-of-code-2020 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/ryanshappell/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/ryanshappell/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/ryanshappell/advent-of-code-2020 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ryanshappell/advent-of-code-2020 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] d4bd83af406668ab4ee510fac89148cf3b42cf9f2c1599194fbdeb15e9e8c7ff
[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" "d4bd83af406668ab4ee510fac89148cf3b42cf9f2c1599194fbdeb15e9e8c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bd83af406668ab4ee510fac89148cf3b42cf9f2c1599194fbdeb15e9e8c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bd83af406668ab4ee510fac89148cf3b42cf9f2c1599194fbdeb15e9e8c7ff", kill_on_drop: false }`
[INFO] [stdout] d4bd83af406668ab4ee510fac89148cf3b42cf9f2c1599194fbdeb15e9e8c7ff
[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] [stdout] 6d337ffb43f1eed91659a649d232892e1dd486a1f416d848c93902d2dd2410a3
[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" "6d337ffb43f1eed91659a649d232892e1dd486a1f416d848c93902d2dd2410a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day01.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day03.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_trees`
[INFO] [stdout]   --> src/days/day03.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn count_trees(data: &Vec<&str>, dx: usize, dy:usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sled`
[INFO] [stdout]   --> src/days/day03.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Sled {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day04.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blank`
[INFO] [stdout]   --> src/days/day04.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn blank() -> Passport {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_byr`
[INFO] [stdout]    --> src/days/day04.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn check_byr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_iyr`
[INFO] [stdout]    --> src/days/day04.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn check_iyr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_eyr`
[INFO] [stdout]    --> src/days/day04.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn check_eyr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hgt`
[INFO] [stdout]    --> src/days/day04.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn check_hgt(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hcl`
[INFO] [stdout]    --> src/days/day04.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn check_hcl(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_ecl`
[INFO] [stdout]    --> src/days/day04.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn check_ecl(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_pid`
[INFO] [stdout]    --> src/days/day04.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn check_pid(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day05.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_seat`
[INFO] [stdout]   --> src/days/day05.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn find_seat(bp: &str) -> Seat {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day07.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:22:33
[INFO] [stdout]    |
[INFO] [stdout] 22 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:29:33
[INFO] [stdout]    |
[INFO] [stdout] 29 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/days/day04.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 | ...                   Err(e) => {passports[curr_passport].valid = false; 123456789},
[INFO] [stdout]    |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day01.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day03.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_trees`
[INFO] [stdout]   --> src/days/day03.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn count_trees(data: &Vec<&str>, dx: usize, dy:usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Sled`
[INFO] [stdout]   --> src/days/day03.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Sled {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day04.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blank`
[INFO] [stdout]   --> src/days/day04.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn blank() -> Passport {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_byr`
[INFO] [stdout]    --> src/days/day04.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn check_byr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_iyr`
[INFO] [stdout]    --> src/days/day04.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn check_iyr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_eyr`
[INFO] [stdout]    --> src/days/day04.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn check_eyr(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hgt`
[INFO] [stdout]    --> src/days/day04.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn check_hgt(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hcl`
[INFO] [stdout]    --> src/days/day04.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn check_hcl(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_ecl`
[INFO] [stdout]    --> src/days/day04.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn check_ecl(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_pid`
[INFO] [stdout]    --> src/days/day04.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn check_pid(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day05.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_seat`
[INFO] [stdout]   --> src/days/day05.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn find_seat(bp: &str) -> Seat {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/days/day07.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "6d337ffb43f1eed91659a649d232892e1dd486a1f416d848c93902d2dd2410a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d337ffb43f1eed91659a649d232892e1dd486a1f416d848c93902d2dd2410a3", kill_on_drop: false }`
[INFO] [stdout] 6d337ffb43f1eed91659a649d232892e1dd486a1f416d848c93902d2dd2410a3