[INFO] cloning repository https://github.com/tlehman/advent-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tlehman/advent-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlehman%2Fadvent-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftlehman%2Fadvent-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93ddb4a8718d387cf216c41952def74abb8e41be
[INFO] testing tlehman/advent-2020 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%2Ftlehman%2Fadvent-2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tlehman/advent-2020 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/tlehman/advent-2020
[INFO] finished tweaking git repo https://github.com/tlehman/advent-2020
[INFO] tweaked toml for git repo https://github.com/tlehman/advent-2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tlehman/advent-2020 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 33d5b24b4107d1a80ddd38f3fea9bc569bdc11b0a597ea7bf84843b65e313e9e
[INFO] running `Command { std: "docker" "start" "-a" "33d5b24b4107d1a80ddd38f3fea9bc569bdc11b0a597ea7bf84843b65e313e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d5b24b4107d1a80ddd38f3fea9bc569bdc11b0a597ea7bf84843b65e313e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d5b24b4107d1a80ddd38f3fea9bc569bdc11b0a597ea7bf84843b65e313e9e", kill_on_drop: false }`
[INFO] [stdout] 33d5b24b4107d1a80ddd38f3fea9bc569bdc11b0a597ea7bf84843b65e313e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a7a444146ddb24489aeeff3074f20c1f1bc4ec956e747e9f0b3394f310a37c74
[INFO] running `Command { std: "docker" "start" "-a" "a7a444146ddb24489aeeff3074f20c1f1bc4ec956e747e9f0b3394f310a37c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/day03.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             for col in 0..6 {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day03.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut toboggan_map = TobogganMap { rows: lines, width: w };
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_password`
[INFO] [stdout]   --> src/day02.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn valid_password(raw_rule: &str, password: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_password_part2`
[INFO] [stdout]    --> src/day02.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn valid_password_part2(raw_rule: &str, password: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `empty`
[INFO] [stdout]   --> src/day03.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | static empty: char = '.';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rows`
[INFO] [stdout]    --> src/day03.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn print_rows(self: &TobogganMap) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Passport`
[INFO] [stdout]   --> src/day04.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Passport {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_vector`
[INFO] [stdout]   --> src/day04.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn from_vector(v: Vec<String>) -> Passport {            
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `valid`
[INFO] [stdout]    --> src/day04.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn valid(self: &Passport) -> bool {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_batch_passports`
[INFO] [stdout]    --> src/day04.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn parse_batch_passports(batch_passports: &[&str]) -> Vec<Vec<String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/day03.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | static empty: char = '.';
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tree` should have an upper case name
[INFO] [stdout]   --> src/day03.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | static tree: char = '#';
[INFO] [stdout]    |        ^^^^ help: convert the identifier to upper case: `TREE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "a7a444146ddb24489aeeff3074f20c1f1bc4ec956e747e9f0b3394f310a37c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a444146ddb24489aeeff3074f20c1f1bc4ec956e747e9f0b3394f310a37c74", kill_on_drop: false }`
[INFO] [stdout] a7a444146ddb24489aeeff3074f20c1f1bc4ec956e747e9f0b3394f310a37c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2547c0ee4c94756199bb48e21bcb8a6fb7b9b08bf48c7cf54c2b300cc00190fb
[INFO] running `Command { std: "docker" "start" "-a" "2547c0ee4c94756199bb48e21bcb8a6fb7b9b08bf48c7cf54c2b300cc00190fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/day03.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |             for col in 0..6 {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day03.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut toboggan_map = TobogganMap { rows: lines, width: w };
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `empty`
[INFO] [stdout]   --> src/day03.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | static empty: char = '.';
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_rows`
[INFO] [stdout]    --> src/day03.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn print_rows(self: &TobogganMap) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/day04.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     cid: Option<String>  // (Country ID)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `empty` should have an upper case name
[INFO] [stdout]   --> src/day03.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | static empty: char = '.';
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `tree` should have an upper case name
[INFO] [stdout]   --> src/day03.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | static tree: char = '#';
[INFO] [stdout]    |        ^^^^ help: convert the identifier to upper case: `TREE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "2547c0ee4c94756199bb48e21bcb8a6fb7b9b08bf48c7cf54c2b300cc00190fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2547c0ee4c94756199bb48e21bcb8a6fb7b9b08bf48c7cf54c2b300cc00190fb", kill_on_drop: false }`
[INFO] [stdout] 2547c0ee4c94756199bb48e21bcb8a6fb7b9b08bf48c7cf54c2b300cc00190fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 72c16eb1da082b9f323e901f9b06facf281ee5296c767fc681da6f2e0c878065
[INFO] running `Command { std: "docker" "start" "-a" "72c16eb1da082b9f323e901f9b06facf281ee5296c767fc681da6f2e0c878065", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/day03.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |             for col in 0..6 {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day03.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut toboggan_map = TobogganMap { rows: lines, width: w };
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `empty`
[INFO] [stderr]   --> src/day03.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | static empty: char = '.';
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `print_rows`
[INFO] [stderr]    --> src/day03.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn print_rows(self: &TobogganMap) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cid`
[INFO] [stderr]   --> src/day04.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     cid: Option<String>  // (Country ID)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `empty` should have an upper case name
[INFO] [stderr]   --> src/day03.rs:71:8
[INFO] [stderr]    |
[INFO] [stderr] 71 | static empty: char = '.';
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper case: `EMPTY`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `tree` should have an upper case name
[INFO] [stderr]   --> src/day03.rs:72:8
[INFO] [stderr]    |
[INFO] [stderr] 72 | static tree: char = '#';
[INFO] [stderr]    |        ^^^^ help: convert the identifier to upper case: `TREE`
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-2020` (bin "advent-2020" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_2020-50f90f79bad74c74)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test day01::sum2_to_2020_mult_test ... ok
[INFO] [stdout] test day02::parse_rule_test ... ok
[INFO] [stdout] test day02::valid_password_test ... ok
[INFO] [stdout] test day01::sum3_to_2020_mult_test ... ok
[INFO] [stdout] test day02::valid_password_part_2_test ... ok
[INFO] [stdout] test day03::test_parse_lines ... ok
[INFO] [stdout] test day03::test_part1 ... ok
[INFO] [stdout] test day04::batch_passports_parser_test ... ok
[INFO] [stdout] test day04::invalid_passport_test ... ok
[INFO] [stdout] test day04::valid_northpole_credential_test ... ok
[INFO] [stdout] test day04::passport_from_vector_test ... ok
[INFO] [stdout] test day04::valid_passport_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72c16eb1da082b9f323e901f9b06facf281ee5296c767fc681da6f2e0c878065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c16eb1da082b9f323e901f9b06facf281ee5296c767fc681da6f2e0c878065", kill_on_drop: false }`
[INFO] [stdout] 72c16eb1da082b9f323e901f9b06facf281ee5296c767fc681da6f2e0c878065