[INFO] cloning repository https://github.com/ecclarke42/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ecclarke42/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecclarke42%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecclarke42%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59ad12f8e65c0b6cbae97a9a14a0b01f59763c6e
[INFO] testing ecclarke42/aoc-2020 against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fecclarke42%2Faoc-2020" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ecclarke42/aoc-2020
[INFO] finished tweaking git repo https://github.com/ecclarke42/aoc-2020
[INFO] tweaked toml for git repo https://github.com/ecclarke42/aoc-2020 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ecclarke42/aoc-2020 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ecclarke42/aoc-2020 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded validator v0.14.0
[INFO] [stderr]   Downloaded validator_types v0.14.0
[INFO] [stderr]   Downloaded validator_derive v0.14.0
[INFO] [stderr]   Downloaded cast v0.2.7
[INFO] [stderr]   Downloaded plotters-backend v0.3.2
[INFO] [stderr]   Downloaded daggy v0.8.0
[INFO] [stderr]   Downloaded criterion-plot v0.4.4
[INFO] [stderr]   Downloaded semver v1.0.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded bumpalo v3.8.0
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded criterion v0.3.5
[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded serde_json v1.0.71
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded plotters-svg v0.3.1
[INFO] [stderr]   Downloaded plotters v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87db1d75b236d53e5f1637614b4e48e2df1134108717cc5a4f4e630fc5f5aa05
[INFO] running `Command { std: "docker" "start" "-a" "87db1d75b236d53e5f1637614b4e48e2df1134108717cc5a4f4e630fc5f5aa05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87db1d75b236d53e5f1637614b4e48e2df1134108717cc5a4f4e630fc5f5aa05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87db1d75b236d53e5f1637614b4e48e2df1134108717cc5a4f4e630fc5f5aa05", kill_on_drop: false }`
[INFO] [stdout] 87db1d75b236d53e5f1637614b4e48e2df1134108717cc5a4f4e630fc5f5aa05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef40b8a46a4a38c561988d6b9c1fbb871951271ba2e7cb4c3dbab9be937624e7
[INFO] running `Command { std: "docker" "start" "-a" "ef40b8a46a4a38c561988d6b9c1fbb871951271ba2e7cb4c3dbab9be937624e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling daggy v0.8.0
[INFO] [stderr]    Compiling validator_types v0.14.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling validator_derive v0.14.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling validator v0.14.0
[INFO] [stderr]    Compiling aoc-2020 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day03.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if chars[(col % chars.len())] == '#' {
[INFO] [stdout]    |                      ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -             if chars[(col % chars.len())] == '#' {
[INFO] [stdout] 34 +             if chars[col % chars.len()] == '#' {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hair_color`, `eye_color`, `passport_id`, and `country_id` are never read
[INFO] [stdout]   --> src/day04.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Passport<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     hair_color: HexColor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     eye_color: EyeColor,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     passport_id: Id<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stdout]    --> src/day04.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct HexColor {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 141 |     red: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     green: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 143 |     blue: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub struct Id<'a>(&'a str);
[INFO] [stdout]     |            --     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Id` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "ef40b8a46a4a38c561988d6b9c1fbb871951271ba2e7cb4c3dbab9be937624e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef40b8a46a4a38c561988d6b9c1fbb871951271ba2e7cb4c3dbab9be937624e7", kill_on_drop: false }`
[INFO] [stdout] ef40b8a46a4a38c561988d6b9c1fbb871951271ba2e7cb4c3dbab9be937624e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54242d8bed14838596139b6790ec6421af227c8af55af990c9eb39a30b5670d0
[INFO] running `Command { std: "docker" "start" "-a" "54242d8bed14838596139b6790ec6421af227c8af55af990c9eb39a30b5670d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling validator v0.14.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling aoc-2020 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day03.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if chars[(col % chars.len())] == '#' {
[INFO] [stdout]    |                      ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -             if chars[(col % chars.len())] == '#' {
[INFO] [stdout] 34 +             if chars[col % chars.len()] == '#' {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hair_color`, `eye_color`, `passport_id`, and `country_id` are never read
[INFO] [stdout]   --> src/day04.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Passport<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     hair_color: HexColor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     eye_color: EyeColor,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     passport_id: Id<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stdout]    --> src/day04.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct HexColor {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 141 |     red: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     green: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 143 |     blue: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub struct Id<'a>(&'a str);
[INFO] [stdout]     |            --     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Id` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/day03.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if chars[(col % chars.len())] == '#' {
[INFO] [stdout]    |                      ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -             if chars[(col % chars.len())] == '#' {
[INFO] [stdout] 34 +             if chars[col % chars.len()] == '#' {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hair_color`, `eye_color`, `passport_id`, and `country_id` are never read
[INFO] [stdout]   --> src/day04.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Passport<'a> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     hair_color: HexColor,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     eye_color: EyeColor,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     passport_id: Id<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     country_id: Option<&'a str>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stdout]    --> src/day04.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct HexColor {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 141 |     red: u8,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 142 |     green: u8,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 143 |     blue: u8,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HexColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub struct Id<'a>(&'a str);
[INFO] [stdout]     |            --     ^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Id` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[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" "54242d8bed14838596139b6790ec6421af227c8af55af990c9eb39a30b5670d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54242d8bed14838596139b6790ec6421af227c8af55af990c9eb39a30b5670d0", kill_on_drop: false }`
[INFO] [stdout] 54242d8bed14838596139b6790ec6421af227c8af55af990c9eb39a30b5670d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 212f2ab019114bda9c8ec75e267b6770e7731b18ad855a2e16e0d52d7610255b
[INFO] running `Command { std: "docker" "start" "-a" "212f2ab019114bda9c8ec75e267b6770e7731b18ad855a2e16e0d52d7610255b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/day03.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if chars[(col % chars.len())] == '#' {
[INFO] [stderr]    |                      ^                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 34 -             if chars[(col % chars.len())] == '#' {
[INFO] [stderr] 34 +             if chars[col % chars.len()] == '#' {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hair_color`, `eye_color`, `passport_id`, and `country_id` are never read
[INFO] [stderr]   --> src/day04.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Passport<'a> {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 52 |     hair_color: HexColor,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     eye_color: EyeColor,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     passport_id: Id<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     country_id: Option<&'a str>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Passport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `red`, `green`, and `blue` are never read
[INFO] [stderr]    --> src/day04.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub struct HexColor {
[INFO] [stderr]     |            -------- fields in this struct
[INFO] [stderr] 141 |     red: u8,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 142 |     green: u8,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr] 143 |     blue: u8,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `HexColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/day04.rs:211:19
[INFO] [stderr]     |
[INFO] [stderr] 211 | pub struct Id<'a>(&'a str);
[INFO] [stderr]     |            --     ^^^^^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `Id` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2020` (lib) generated 4 warnings (run `cargo fix --lib -p aoc-2020` to apply 1 suggestion)
[INFO] [stderr] warning: `aoc-2020` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aoc_2020-f4e8b56ba9b3aba8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test day05::tests::decode ... ok
[INFO] [stdout] test day07::tests::test_parents ... ok
[INFO] [stdout] test day07::tests::test_contains ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests aoc_2020
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]   --> src/day03.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |             if chars[(col % chars.len())] == '#' {
[INFO] [stderr]    |                      ^                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 34 -             if chars[(col % chars.len())] == '#' {
[INFO] [stderr] 34 +             if chars[col % chars.len()] == '#' {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "212f2ab019114bda9c8ec75e267b6770e7731b18ad855a2e16e0d52d7610255b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "212f2ab019114bda9c8ec75e267b6770e7731b18ad855a2e16e0d52d7610255b", kill_on_drop: false }`
[INFO] [stdout] 212f2ab019114bda9c8ec75e267b6770e7731b18ad855a2e16e0d52d7610255b
