[INFO] cloning repository https://github.com/jparkhouse/aoc-rust-2023 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jparkhouse/aoc-rust-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a60250d0549c248ddcdba17171bf0cbb0a6b4475 [INFO] checking jparkhouse/aoc-rust-2023 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023" "/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/jparkhouse/aoc-rust-2023 [INFO] finished tweaking git repo https://github.com/jparkhouse/aoc-rust-2023 [INFO] tweaked toml for git repo https://github.com/jparkhouse/aoc-rust-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jparkhouse/aoc-rust-2023 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jparkhouse/aoc-rust-2023 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking jparkhouse/aoc-rust-2023 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023" "/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/jparkhouse/aoc-rust-2023 [INFO] finished tweaking git repo https://github.com/jparkhouse/aoc-rust-2023 [INFO] tweaked toml for git repo https://github.com/jparkhouse/aoc-rust-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jparkhouse/aoc-rust-2023 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jparkhouse/aoc-rust-2023 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking jparkhouse/aoc-rust-2023 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023" "/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/jparkhouse/aoc-rust-2023 [INFO] finished tweaking git repo https://github.com/jparkhouse/aoc-rust-2023 [INFO] tweaked toml for git repo https://github.com/jparkhouse/aoc-rust-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jparkhouse/aoc-rust-2023 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jparkhouse/aoc-rust-2023 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking jparkhouse/aoc-rust-2023 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023" "/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/jparkhouse/aoc-rust-2023 [INFO] finished tweaking git repo https://github.com/jparkhouse/aoc-rust-2023 [INFO] tweaked toml for git repo https://github.com/jparkhouse/aoc-rust-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jparkhouse/aoc-rust-2023 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jparkhouse/aoc-rust-2023 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking jparkhouse/aoc-rust-2023 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparkhouse%2Faoc-rust-2023" "/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/jparkhouse/aoc-rust-2023 [INFO] finished tweaking git repo https://github.com/jparkhouse/aoc-rust-2023 [INFO] tweaked toml for git repo https://github.com/jparkhouse/aoc-rust-2023 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jparkhouse/aoc-rust-2023 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jparkhouse/aoc-rust-2023 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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 firestorm v0.4.6 [INFO] [stderr] Downloaded thiserror-impl v1.0.62 [INFO] [stderr] Downloaded textwrap v0.16.1 [INFO] [stderr] Downloaded clap_derive v3.2.25 [INFO] [stderr] Downloaded firestorm-enabled v0.3.1 [INFO] [stderr] Downloaded firestorm v0.3.1 [INFO] [stderr] Downloaded thiserror v1.0.62 [INFO] [stderr] Downloaded firestorm-core v0.1.2 [INFO] [stderr] Downloaded firestorm-enabled v0.4.3 [INFO] [stderr] Downloaded inferno v0.10.12 [INFO] [stderr] Downloaded syn v2.0.70 [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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d351dc22ae60f245d5d6b7db5239014895ac32285f5239400659ee4827397efa [INFO] running `Command { std: "docker" "start" "-a" "d351dc22ae60f245d5d6b7db5239014895ac32285f5239400659ee4827397efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d351dc22ae60f245d5d6b7db5239014895ac32285f5239400659ee4827397efa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d351dc22ae60f245d5d6b7db5239014895ac32285f5239400659ee4827397efa", kill_on_drop: false }` [INFO] [stdout] d351dc22ae60f245d5d6b7db5239014895ac32285f5239400659ee4827397efa [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=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 137ea8444c4ccebd6b2ef19b3f99c6e63b763827617548688f304aca6c704ded [INFO] running `Command { std: "docker" "start" "-a" "137ea8444c4ccebd6b2ef19b3f99c6e63b763827617548688f304aca6c704ded", kill_on_drop: false }` [INFO] [stderr] Compiling ahash v0.7.8 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking bytemuck v1.16.1 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking quick-xml v0.22.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Checking str_stack v0.1.0 [INFO] [stderr] Checking firestorm-core v0.1.2 [INFO] [stderr] Compiling syn v2.0.70 [INFO] [stderr] Compiling thiserror v1.0.62 [INFO] [stderr] Checking rgb v0.8.45 [INFO] [stderr] Checking num-format v0.4.4 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Compiling thiserror-impl v1.0.62 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking inferno v0.10.12 [INFO] [stderr] Checking firestorm-enabled v0.3.1 [INFO] [stderr] Checking firestorm-enabled v0.4.3 [INFO] [stderr] Checking firestorm v0.3.1 [INFO] [stderr] Checking firestorm v0.4.6 [INFO] [stderr] Checking aoc-rust-2023 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/day_4/mod.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/day_4/mod.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/day_6/mod.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | fn solve_part_2(input: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_map_tuple_source`, `from_map_tuple_destination`, and `contains` are never used [INFO] [stdout] --> src/day_5/linear_range.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl LinearRange { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn from_map_tuple_source(map_tuple: &MapTuple) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn from_map_tuple_destination(map_tuple: &MapTuple) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn contains(&self, value: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `contains`, and `get_search_direction` are never used [INFO] [stdout] --> src/day_5/mod.rs:290:16 [INFO] [stdout] | [INFO] [stdout] 289 | impl SeedSet { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 290 | pub fn new(start: usize, steps: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 297 | pub fn contains(&self, value: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 306 | pub fn get_search_direction(&self, value: usize) -> SearchDirection { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_3/mod.rs:338:44 [INFO] [stdout] | [INFO] [stdout] 338 | fn build_valid_gear(index: usize, numbers: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 338 | fn build_valid_gear(index: usize, numbers: &Vec) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/day_6/mod.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | fn solve_part_2(input: &str) -> Result { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `from_map_tuple_source`, `from_map_tuple_destination`, and `contains` are never used [INFO] [stdout] --> src/day_5/linear_range.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 29 | impl LinearRange { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | pub fn from_map_tuple_source(map_tuple: &MapTuple) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn from_map_tuple_destination(map_tuple: &MapTuple) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn contains(&self, value: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `contains`, and `get_search_direction` are never used [INFO] [stdout] --> src/day_5/mod.rs:290:16 [INFO] [stdout] | [INFO] [stdout] 289 | impl SeedSet { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 290 | pub fn new(start: usize, steps: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 297 | pub fn contains(&self, value: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 306 | pub fn get_search_direction(&self, value: usize) -> SearchDirection { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/day_3/mod.rs:338:44 [INFO] [stdout] | [INFO] [stdout] 338 | fn build_valid_gear(index: usize, numbers: &Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 338 | fn build_valid_gear(index: usize, numbers: &Vec) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "137ea8444c4ccebd6b2ef19b3f99c6e63b763827617548688f304aca6c704ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "137ea8444c4ccebd6b2ef19b3f99c6e63b763827617548688f304aca6c704ded", kill_on_drop: false }` [INFO] [stdout] 137ea8444c4ccebd6b2ef19b3f99c6e63b763827617548688f304aca6c704ded