[INFO] cloning repository https://github.com/huwwynnjones/advent_of_code_2020_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huwwynnjones/advent_of_code_2020_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwwynnjones%2Fadvent_of_code_2020_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwwynnjones%2Fadvent_of_code_2020_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0201f425058b18de046cc19a07efdd9cad79ca67
[INFO] testing huwwynnjones/advent_of_code_2020_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwwynnjones%2Fadvent_of_code_2020_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huwwynnjones/advent_of_code_2020_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huwwynnjones/advent_of_code_2020_rust
[INFO] finished tweaking git repo https://github.com/huwwynnjones/advent_of_code_2020_rust
[INFO] tweaked toml for git repo https://github.com/huwwynnjones/advent_of_code_2020_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/huwwynnjones/advent_of_code_2020_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 956a4dd2092255ceaab266babcdd4585fe9e85cfd72b6dd53339e8511d15dfd3
[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" "956a4dd2092255ceaab266babcdd4585fe9e85cfd72b6dd53339e8511d15dfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "956a4dd2092255ceaab266babcdd4585fe9e85cfd72b6dd53339e8511d15dfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956a4dd2092255ceaab266babcdd4585fe9e85cfd72b6dd53339e8511d15dfd3", kill_on_drop: false }`
[INFO] [stdout] 956a4dd2092255ceaab266babcdd4585fe9e85cfd72b6dd53339e8511d15dfd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--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] 072b450277677824bfeb5874989d7c38a6abd7c23f142516a58c48011dda914a
[INFO] running `Command { std: "docker" "start" "-a" "072b450277677824bfeb5874989d7c38a6abd7c23f142516a58c48011dda914a", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `seat_rows`
[INFO] [stdout]  --> src/day_5.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn seat_rows() -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lower_half`
[INFO] [stdout]  --> src/day_5.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn lower_half(seats: &[u32]) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `upper_half`
[INFO] [stdout]  --> src/day_5.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn upper_half(seats: &[u32]) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mid_point`
[INFO] [stdout]   --> src/day_5.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn mid_point(seats: &[u32]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_seats`
[INFO] [stdout]   --> src/day_5.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn split_seats(seats: &[u32], indicator: char) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_row`
[INFO] [stdout]   --> src/day_5.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn find_row(seats: &[u32], input: &[char]) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_to_op_pair`
[INFO] [stdout]   --> src/day_8.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn string_to_op_pair(input: &str) -> (OpCode, i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "072b450277677824bfeb5874989d7c38a6abd7c23f142516a58c48011dda914a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072b450277677824bfeb5874989d7c38a6abd7c23f142516a58c48011dda914a", kill_on_drop: false }`
[INFO] [stdout] 072b450277677824bfeb5874989d7c38a6abd7c23f142516a58c48011dda914a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--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] 2fad4438a26fa8ade10fa0f2cda1c7c71050dca21dcba00e0e37b6978c97aa56
[INFO] running `Command { std: "docker" "start" "-a" "2fad4438a26fa8ade10fa0f2cda1c7c71050dca21dcba00e0e37b6978c97aa56", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "2fad4438a26fa8ade10fa0f2cda1c7c71050dca21dcba00e0e37b6978c97aa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fad4438a26fa8ade10fa0f2cda1c7c71050dca21dcba00e0e37b6978c97aa56", kill_on_drop: false }`
[INFO] [stdout] 2fad4438a26fa8ade10fa0f2cda1c7c71050dca21dcba00e0e37b6978c97aa56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feca03dfdeb9e39a803340c69e6054adc4952bfa41aeb452056e92cbbda61741
[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" "feca03dfdeb9e39a803340c69e6054adc4952bfa41aeb452056e92cbbda61741", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_2020-0db5771d32cf0cc5)
[INFO] [stdout] running 51 tests
[INFO] [stdout] test day_1::test::test_find_items_that_sum_2020 ... ok
[INFO] [stdout] test day_1::test::test_load_input_file ... ok
[INFO] [stdout] test day_2::test::test_position_strategy ... ok
[INFO] [stdout] test day_2::test::test_load_input_file ... ok
[INFO] [stdout] test day_2::test::test_split_input_string ... ok
[INFO] [stdout] test day_3::test::test_create_grid ... ok
[INFO] [stdout] test day_3::test::test_get_square_with_wrapping ... ok
[INFO] [stdout] test day_3::test::test_count_trees_with_different_slopes ... ok
[INFO] [stdout] test day_2::test::test_parse_password_policy ... ok
[INFO] [stdout] test day_2::test::test_parse_password_policy_two_digit_numbers ... ok
[INFO] [stdout] test day_3::test::test_load_input_file ... ok
[INFO] [stdout] test day_3::test::test_create_grid_line ... ok
[INFO] [stdout] test day_3::test::test_count_trees ... ok
[INFO] [stdout] test day_3::test::test_get_square ... ok
[INFO] [stdout] test day_3::test::test_count_trees_example ... ok
[INFO] [stdout] test day_1::test::test_find_items_that_sum_2020_alternate_order ... ok
[INFO] [stdout] test day_2::test::test_min_max_strategy ... ok
[INFO] [stdout] test day_1::test::test_find_three_items_that_sum_2020 ... ok
[INFO] [stdout] test day_2::test::test_number_of_valid_passwords_with_position ... ok
[INFO] [stdout] test day_2::test::test_number_of_valid_passwords_with_min_max ... ok
[INFO] [stdout] test day_4::test::test_passport_values_are_invalid ... ok
[INFO] [stdout] test day_3::test::test_positions_used_to_reach_bottom ... ok
[INFO] [stdout] test day_4::test::test_load_input_file ... ok
[INFO] [stdout] test day_4::test::test_valid_birth_year ... ok
[INFO] [stdout] test day_4::test::test_valid_expiration_year ... ok
[INFO] [stdout] test day_2::test::test_intepret_input_line_with_min_max ... ok
[INFO] [stdout] test day_4::test::test_count_valid_passports ... ok
[INFO] [stdout] test day_4::test::test_valid_passport_data_invalid_keys ... ok
[INFO] [stdout] test day_4::test::test_valid_passport_data ... ok
[INFO] [stdout] test day_5::test::test_split_seats_back ... ok
[INFO] [stdout] test day_5::test::test_lower_half ... ok
[INFO] [stdout] test day_5::test::test_find_row ... ok
[INFO] [stdout] test day_4::test::test_eye_colour ... ok
[INFO] [stdout] test day_3::test::test_move_tobogan ... ok
[INFO] [stdout] test day_3::test::test_positions_used_to_reach_bottom_with_wrapping ... ok
[INFO] [stdout] test day_4::test::test_read_passport_data ... ok
[INFO] [stdout] test day_3::test::test_tree_product ... ok
[INFO] [stdout] test day_4::test::test_passport_values_are_valid ... ok
[INFO] [stdout] test day_4::test::test_valid_height ... ok
[INFO] [stdout] test day_4::test::test_valid_issue_year ... ok
[INFO] [stdout] test day_5::test::test_split_seats_front ... ok
[INFO] [stdout] test day_9::test::test_encryption_weakness ... ok
[INFO] [stdout] test day_9::test::test_find_sequence_that_sums_target ... ok
[INFO] [stdout] test day_5::test::test_upper_half ... ok
[INFO] [stdout] test day_9::test::test_preamble ... ok
[INFO] [stdout] test day_8::test::test_string_to_op_pair ... ok
[INFO] [stdout] test day_9::test::test_valid_next_number ... ok
[INFO] [stdout] test day_9::test::test_all_numbers_valid ... ok
[INFO] [stdout] test day_4::test::test_valid_passport_number ... ok
[INFO] [stdout] test day_4::test::test_valid_passport_data_missing_optional_keys ... ok
[INFO] [stdout] test day_4::test::test_valid_hair_colour ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "feca03dfdeb9e39a803340c69e6054adc4952bfa41aeb452056e92cbbda61741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feca03dfdeb9e39a803340c69e6054adc4952bfa41aeb452056e92cbbda61741", kill_on_drop: false }`
[INFO] [stdout] feca03dfdeb9e39a803340c69e6054adc4952bfa41aeb452056e92cbbda61741