[INFO] cloning repository https://github.com/willowell/AdventOfCode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willowell/AdventOfCode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillowell%2FAdventOfCode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillowell%2FAdventOfCode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6cce219821dfabaf0d78c192ffc9a04c55ab72
[INFO] checking willowell/AdventOfCode against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillowell%2FAdventOfCode" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/willowell/AdventOfCode on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/willowell/AdventOfCode
[INFO] finished tweaking git repo https://github.com/willowell/AdventOfCode
[INFO] tweaked toml for git repo https://github.com/willowell/AdventOfCode written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/willowell/AdventOfCode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoize-inner v0.2.1
[INFO] [stderr]   Downloaded memoize v0.3.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.12
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7e746b3dc6b33aea2ac39afd55691199a28004719b6127b31968333024ab231
[INFO] running `Command { std: "docker" "start" "-a" "b7e746b3dc6b33aea2ac39afd55691199a28004719b6127b31968333024ab231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7e746b3dc6b33aea2ac39afd55691199a28004719b6127b31968333024ab231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e746b3dc6b33aea2ac39afd55691199a28004719b6127b31968333024ab231", kill_on_drop: false }`
[INFO] [stdout] b7e746b3dc6b33aea2ac39afd55691199a28004719b6127b31968333024ab231
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dc68c76583ed104bcda81fb89d32c5fdb831b435bb95441b96166965d64373d
[INFO] running `Command { std: "docker" "start" "-a" "5dc68c76583ed104bcda81fb89d32c5fdb831b435bb95441b96166965d64373d", kill_on_drop: false }`
[INFO] [stderr] warning: some crates are on edition 2021 which defaults to `resolver = "2"`, but virtual workspaces default to `resolver = "1"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
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[INFO] [stderr]     Checking aoc_rust v0.1.0 (/opt/rustwide/workdir/2022/aoc_rust)
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> 2022/aoc_rust/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nom::{Parser, IResult};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> 2022/aoc_rust/src/lib.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nom::{Parser, IResult};
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_parts` is never used
[INFO] [stdout]   --> 2022/aoc_rust/src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_all_parts() -> [Part; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_parts` is never used
[INFO] [stdout]   --> 2022/aoc_rust/src/lib.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_all_parts() -> [Part; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |         Ok(Some(cfg)) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |         Ok(Some(cfg)) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let client = reqwest::Client::new();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let client = reqwest::Client::new();
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let year = 2021;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solutions`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let solutions = [
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solutions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `year`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let year = 2021;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solutions`
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:211:9
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let solutions = [
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solutions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_file` and `input` are never read
[INFO] [stdout]   --> 2022/aoc_rust/src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Opts {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 44 |     /// Configuration file (YAML) to read session token from.
[INFO] [stdout] 45 |     config_file: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     input: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config_file` and `input` are never read
[INFO] [stdout]   --> 2022/aoc_rust/src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Opts {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 44 |     /// Configuration file (YAML) to read session token from.
[INFO] [stdout] 45 |     config_file: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     input: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cfg_file` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_cfg_file<P>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_cfg_file` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_cfg_file<P>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_input` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | async fn fetch_input<P>(
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_input` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | async fn fetch_input<P>(
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_input_file` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn write_input_file<P>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_input_file` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn write_input_file<P>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | async fn run(year: u16) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | async fn run(year: u16) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             write_input_file(args.input.as_ref().unwrap(), args.day.unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 |             let _ = write_input_file(args.input.as_ref().unwrap(), args.day.unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> 2022/aoc_rust/src/main.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |             write_input_file(args.input.as_ref().unwrap(), args.day.unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 191 |             let _ = write_input_file(args.input.as_ref().unwrap(), args.day.unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "5dc68c76583ed104bcda81fb89d32c5fdb831b435bb95441b96166965d64373d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc68c76583ed104bcda81fb89d32c5fdb831b435bb95441b96166965d64373d", kill_on_drop: false }`
[INFO] [stdout] 5dc68c76583ed104bcda81fb89d32c5fdb831b435bb95441b96166965d64373d