[INFO] cloning repository https://github.com/nhultz/advent_of_code_2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nhultz/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnhultz%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnhultz%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cce6636dabf0e3462ce3fcac6cbb4ac6fc23fd6
[INFO] testing nhultz/advent_of_code_2018 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnhultz%2Fadvent_of_code_2018" "/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/nhultz/advent_of_code_2018 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nhultz/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/nhultz/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/nhultz/advent_of_code_2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nhultz/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f074568c37bccfc8ac01c7766bb3304704d825c29fa3b511e5f3074a3469c6
[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" "d6f074568c37bccfc8ac01c7766bb3304704d825c29fa3b511e5f3074a3469c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f074568c37bccfc8ac01c7766bb3304704d825c29fa3b511e5f3074a3469c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f074568c37bccfc8ac01c7766bb3304704d825c29fa3b511e5f3074a3469c6", kill_on_drop: false }`
[INFO] [stdout] d6f074568c37bccfc8ac01c7766bb3304704d825c29fa3b511e5f3074a3469c6
[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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdfbf9370cd2c85d7f58b12d9a0a912dbbcac00e2a8d37dddd21ae4f2333ead9
[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" "bdfbf9370cd2c85d7f58b12d9a0a912dbbcac00e2a8d37dddd21ae4f2333ead9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling advent_of_code_solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/solutions_2020/day4.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "bdfbf9370cd2c85d7f58b12d9a0a912dbbcac00e2a8d37dddd21ae4f2333ead9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfbf9370cd2c85d7f58b12d9a0a912dbbcac00e2a8d37dddd21ae4f2333ead9", kill_on_drop: false }`
[INFO] [stdout] bdfbf9370cd2c85d7f58b12d9a0a912dbbcac00e2a8d37dddd21ae4f2333ead9
[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" "+1.59.0" "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] 203b09da7adb4c3924bbb02d626c17c8dba80f6de19ed63e43a56bc5430b7a8f
[INFO] running `Command { std: "docker" "start" "-a" "203b09da7adb4c3924bbb02d626c17c8dba80f6de19ed63e43a56bc5430b7a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code_solutions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/solutions_2020/day4.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/solutions_2020/day4.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "203b09da7adb4c3924bbb02d626c17c8dba80f6de19ed63e43a56bc5430b7a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203b09da7adb4c3924bbb02d626c17c8dba80f6de19ed63e43a56bc5430b7a8f", kill_on_drop: false }`
[INFO] [stdout] 203b09da7adb4c3924bbb02d626c17c8dba80f6de19ed63e43a56bc5430b7a8f
[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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 152efae7f92d8465a918120e0eae2d6a54526cd100f3a7f7426c7493c92cca6d
[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" "152efae7f92d8465a918120e0eae2d6a54526cd100f3a7f7426c7493c92cca6d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `country_id`
[INFO] [stderr]   --> src/solutions_2020/day4.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     country_id: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_solutions` (lib) generated 1 warning
[INFO] [stderr] warning: `advent_of_code_solutions` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_solutions-472cd8c707134175)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test solutions_2018::day2::tests::test_two ... ok
[INFO] [stdout] test solutions_2019::day1::tests::test_calculate_fuel_recur ... ok
[INFO] [stdout] test solutions_2019::day2::tests::test_run_program ... ok
[INFO] [stdout] test solutions_2021::day1::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2020::day2::tests::test_password_parse ... ok
[INFO] [stdout] test solutions_2021::day3::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2021::day4::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2021::day3::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2021::day4::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2018::day2::tests::test_one_char_difference ... ok
[INFO] [stdout] test solutions_2019::day1::tests::test_calculate_fuel ... ok
[INFO] [stdout] test solutions_2020::day2::tests::test_password_parse_another ... ok
[INFO] [stdout] test solutions_2021::day1::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2021::day5::tests::test_backward_line ... ok
[INFO] [stdout] test solutions_2021::day5::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2021::day5::tests::test_forward_line ... ok
[INFO] [stdout] test solutions_2021::day5::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2018::day2::tests::test_three ... ok
[INFO] [stdout] test solutions_2021::day2::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2021::day6::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2021::day6::tests::test_input_part2 ... ok
[INFO] [stdout] test solutions_2021::day2::tests::test_input_part1 ... ok
[INFO] [stdout] test solutions_2018::day3::tests::test_points ... ok
[INFO] [stdout] test solutions_2021::day5::tests::test_parsing_points ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code_solutions-ae65f4b6d26860e5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent_of_code_solutions
[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] [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" "152efae7f92d8465a918120e0eae2d6a54526cd100f3a7f7426c7493c92cca6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152efae7f92d8465a918120e0eae2d6a54526cd100f3a7f7426c7493c92cca6d", kill_on_drop: false }`
[INFO] [stdout] 152efae7f92d8465a918120e0eae2d6a54526cd100f3a7f7426c7493c92cca6d