[INFO] cloning repository https://github.com/picklenerd/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/picklenerd/advent_of_code_2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicklenerd%2Fadvent_of_code_2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicklenerd%2Fadvent_of_code_2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d47848b73a5ffced978a66a2105dc76a1449dfd6
[INFO] checking picklenerd/advent_of_code_2018 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpicklenerd%2Fadvent_of_code_2018" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/picklenerd/advent_of_code_2018 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/picklenerd/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/picklenerd/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/picklenerd/advent_of_code_2018 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/picklenerd/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77b05d7bc5daf6e24e29d3c8993f914b929f92383e1fd5bfc3e5615379fe3aca
[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" "77b05d7bc5daf6e24e29d3c8993f914b929f92383e1fd5bfc3e5615379fe3aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77b05d7bc5daf6e24e29d3c8993f914b929f92383e1fd5bfc3e5615379fe3aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b05d7bc5daf6e24e29d3c8993f914b929f92383e1fd5bfc3e5615379fe3aca", kill_on_drop: false }`
[INFO] [stdout] 77b05d7bc5daf6e24e29d3c8993f914b929f92383e1fd5bfc3e5615379fe3aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87169bc58d26d707878f9d41bd07c58f11cfe3a9d4234226f393c808c1ff3cd0
[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" "87169bc58d26d707878f9d41bd07c58f11cfe3a9d4234226f393c808c1ff3cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cmp12`
[INFO] [stdout]   --> src/challenges/day7.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 for (step2, cmp12) in step1_rules {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmp12`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utils.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(e) => panic!(),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmp12`
[INFO] [stdout]   --> src/challenges/day7.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 for (step2, cmp12) in step1_rules {
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cmp12`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utils.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(e) => panic!(),
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/challenges/day3.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn draw(inputs: &[ElfClaim]) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST_INPUT`
[INFO] [stdout]    --> src/challenges/day5.rs:160:1
[INFO] [stdout]     |
[INFO] [stdout] 160 | const TEST_INPUT: &str = "dabAcCaCBAcCcaDA";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_previous`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run_previous() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]   --> src/challenges/day3.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn draw(inputs: &[ElfClaim]) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TEST_INPUT`
[INFO] [stdout]    --> src/challenges/day5.rs:160:1
[INFO] [stdout]     |
[INFO] [stdout] 160 | const TEST_INPUT: &str = "dabAcCaCBAcCcaDA";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_previous`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn run_previous() -> Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     challenges::day7::day7_1();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     challenges::day7::day7_2();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     challenges::day7::day7_1();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     challenges::day7::day7_2();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "87169bc58d26d707878f9d41bd07c58f11cfe3a9d4234226f393c808c1ff3cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87169bc58d26d707878f9d41bd07c58f11cfe3a9d4234226f393c808c1ff3cd0", kill_on_drop: false }`
[INFO] [stdout] 87169bc58d26d707878f9d41bd07c58f11cfe3a9d4234226f393c808c1ff3cd0