[INFO] cloning repository https://github.com/rahulrr-coder/karbyn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rahulrr-coder/karbyn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulrr-coder%2Fkarbyn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulrr-coder%2Fkarbyn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23fdad931ef47e35d92febb0f7ac821a183afb91
[INFO] checking rahulrr-coder/karbyn against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahulrr-coder%2Fkarbyn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rahulrr-coder/karbyn
[INFO] finished tweaking git repo https://github.com/rahulrr-coder/karbyn
[INFO] tweaked toml for git repo https://github.com/rahulrr-coder/karbyn written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rahulrr-coder/karbyn on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rahulrr-coder/karbyn 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" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-5-tc2/source/src/karbyn_backend/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/dtolnay/paste`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "96a9618fc5c3ea23c84b133e4b690ab596be8add147f2ce7a4e2082fb74fe513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96a9618fc5c3ea23c84b133e4b690ab596be8add147f2ce7a4e2082fb74fe513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a9618fc5c3ea23c84b133e4b690ab596be8add147f2ce7a4e2082fb74fe513", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "8a34cd63773ed082248bded7f50aeb006d16f1435b3efecb3b0b48bd65497c69", kill_on_drop: false }`
[INFO] [stderr] warning: patch for the non root package will be ignored, specify patch at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/src/karbyn_backend/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
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[INFO] [stderr]     Checking karbyn_backend v0.1.0 (/opt/rustwide/workdir/src/karbyn_backend)
[INFO] [stdout] warning: unused import: `candid::Principal`
[INFO] [stdout]  --> src/karbyn_backend/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use candid::Principal;
[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: `candid::Principal`
[INFO] [stdout]  --> src/karbyn_backend/src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use candid::Principal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NGOProfile` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct NGOProfile {
[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 function `new` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl NGOProfile {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn new(name: String, contact: String, location: String, organization_type: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Claim` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct Claim {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/models.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Claim {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 111 |     pub fn new(user_id: String, species: String, quantity: u32, location: String, image_hash: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_exists` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn user_exists(principal: Principal) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_user_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn update_user_stats(_principal: Principal, _tokens: f64, _activities: u32, _nfts: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_public_user_profile` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn get_public_user_profile(principal: Principal) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ActivityStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | type ActivityStore = BTreeMap<u64, Activity, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submit_activity` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn submit_activity(input: SubmitActivityInput) -> Result<Activity, ActivityError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_activities` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn get_user_activities() -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn get_activity(activity_id: u64) -> Option<Activity> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_activity_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn get_user_activity_stats() -> UserActivityStats {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub fn verify_activity(activity_id: u64, verification_score: u8) -> Result<(), ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_activities_for_verification` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub fn get_all_activities_for_verification() -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_global_activity_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub fn get_global_activity_stats() -> (u32, f64, u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_recent_global_activities` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 | pub fn get_recent_global_activities(limit: u32) -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activities_by_type` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn get_activities_by_type(activity_type: String) -> Result<Vec<ActivityHistoryItem>, ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub fn delete_activity(activity_id: u64) -> Result<(), ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_activity_streak` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:423:4
[INFO] [stdout]     |
[INFO] [stdout] 423 | fn calculate_activity_streak(user_principal: Principal) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activity_types` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:477:8
[INFO] [stdout]     |
[INFO] [stdout] 477 | pub fn get_activity_types() -> Vec<(String, f64, String)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NFTStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type NFTStore = BTreeMap<u64, CarbonNFT, Memory>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ListingStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type ListingStore = BTreeMap<u64, MarketplaceListing, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TransactionStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | type TransactionStore = BTreeMap<u64, NFTTransaction, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mint_nft` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn mint_nft() -> Result<CarbonNFT, TokenError> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_nfts` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn get_user_nfts(user_principal: Principal) -> Vec<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_nfts` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_my_nfts() -> Vec<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn get_nft(nft_id: u64) -> Option<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn list_nft(input: ListNFTInput) -> Result<MarketplaceListing, TokenError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buy_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn buy_nft(input: BuyNFTInput) -> Result<NFTTransaction, TokenError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cancel_listing` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn cancel_listing(listing_id: u64) -> Result<(), TokenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_marketplace_listings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub fn get_marketplace_listings(filter: Option<MarketplaceFilter>) -> Vec<MarketplaceListing> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_listings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn get_my_listings() -> Vec<MarketplaceListing> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_marketplace_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub fn get_marketplace_stats() -> MarketplaceStats {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_recent_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub fn get_recent_transactions(limit: u32) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 | pub fn get_user_transactions(user_principal: Principal) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:439:8
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub fn get_my_transactions() -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_activity_summary` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn create_activity_summary(user_stats: &crate::activity_models::UserActivityStats) -> ActivitySummary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_timestamp` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:490:4
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn format_timestamp(timestamp: u64) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nft_ownership_history` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:504:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub fn get_nft_ownership_history(nft_id: u64) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_global_nft_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn get_global_nft_stats() -> (u32, u32, u32, f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TokenStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type TokenStore = BTreeMap<Principal, TokenBalance, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `award_tokens_for_activity` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn award_tokens_for_activity(user_principal: Principal, carbon_offset: f64) -> Result<u64, TokenError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_balance` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn get_token_balance() -> TokenBalance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_token_balance` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_user_token_balance(principal: Principal) -> TokenBalance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transfer_tokens` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn transfer_tokens(from: Principal, to: Principal, amount: u64) -> Result<(), TokenError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `burn_tokens_for_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn burn_tokens_for_nft(user_principal: Principal) -> Result<(), TokenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_mint_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn can_mint_nft() -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_portfolio` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn get_user_portfolio() -> UserPortfolio {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_portfolio_by_principal` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn get_user_portfolio_by_principal(principal: Principal) -> UserPortfolio {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_leaderboard` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn get_leaderboard(limit: u32) -> Vec<LeaderboardEntry> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn get_token_stats() -> (u64, u64, u32, f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_distribution` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub fn get_token_distribution() -> Vec<(String, u32)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_daily_token_earnings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn get_daily_token_earnings() -> Vec<(String, u64)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityType` is never used
[INFO] [stdout]  --> src/karbyn_backend/src/activity_models.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum ActivityType {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `default_carbon_per_unit`, `as_str`, and `validation_rules` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity_models.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ActivityType {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 18 |     /// Get the default carbon offset value per unit for this activity type
[INFO] [stdout] 19 |     pub fn default_carbon_per_unit(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn validation_rules(&self) -> ActivityValidationRules {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityValidationRules` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct ActivityValidationRules {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubmitActivityInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SubmitActivityInput {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Activity` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Activity {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityVerificationStatus` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub enum ActivityVerificationStatus {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl ActivityVerificationStatus {
[INFO] [stdout]     | ------------------------------- method in this implementation
[INFO] [stdout] 154 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserActivityStats` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct UserActivityStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityHistoryItem` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct ActivityHistoryItem {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityError` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:195:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum ActivityError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `validate`, `calculate_carbon_offset`, `is_nft_eligible`, `get_summary`, and `update_verification` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl Activity {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 224 |     /// Validate the activity data
[INFO] [stdout] 225 |     pub fn validate(&self) -> Result<(), ActivityError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     pub fn calculate_carbon_offset(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 267 |     pub fn is_nft_eligible(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn get_summary(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub fn update_verification(&mut self, status: ActivityVerificationStatus, score: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_activity` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl UserActivityStats {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 302 |     /// Create new empty stats
[INFO] [stdout] 303 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub fn add_activity(&mut self, activity: &Activity) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CarbonCalculator` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:340:12
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub struct CarbonCalculator;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `calculate_with_location_factor` and `validate_calculation` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 342 | impl CarbonCalculator {
[INFO] [stdout]     | --------------------- associated functions in this implementation
[INFO] [stdout] 343 |     /// Calculate carbon offset with location-based adjustments
[INFO] [stdout] 344 |     pub fn calculate_with_location_factor(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn validate_calculation(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenBalance` is never constructed
[INFO] [stdout]  --> src/karbyn_backend/src/token_models.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct TokenBalance {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_tokens`, `deduct_tokens`, and `can_mint_nft` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl TokenBalance {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(principal: Principal) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn add_tokens(&mut self, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn deduct_tokens(&mut self, amount: u64) -> Result<(), TokenError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn can_mint_nft(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CarbonNFT` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct CarbonNFT {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `transfer_ownership`, and `set_listed` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl CarbonNFT {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 77 |     pub fn new(nft_id: u64, owner: Principal, activity_summary: ActivitySummary) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn transfer_ownership(&mut self, new_owner: Principal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn set_listed(&mut self, listed: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivitySummary` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct ActivitySummary {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityTypeCount` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub struct ActivityTypeCount {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceListing` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct MarketplaceListing {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ListingStatus` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:144:10
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub enum ListingStatus {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl ListingStatus {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 151 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `mark_sold`, `cancel`, and `is_active` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl MarketplaceListing {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 161 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn mark_sold(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub fn cancel(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn is_active(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NFTTransaction` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub struct NFTTransaction {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TransactionType` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub enum TransactionType {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_mint` and `new_sale` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl NFTTransaction {
[INFO] [stdout]     | ------------------- associated functions in this implementation
[INFO] [stdout] 227 |     pub fn new_mint(transaction_id: u64, nft_id: u64, owner: Principal) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn new_sale(
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserPortfolio` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct UserPortfolio {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaderboardEntry` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub struct LeaderboardEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenError` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:299:10
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub enum TokenError {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:315:12
[INFO] [stdout]     |
[INFO] [stdout] 314 | impl TokenError {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 315 |     pub fn as_str(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNFTInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct ListNFTInput {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BuyNFTInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub struct BuyNFTInput {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceFilter` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:350:12
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub struct MarketplaceFilter {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceStats` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub struct MarketplaceStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NGOProfile` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct NGOProfile {
[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 function `new` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl NGOProfile {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn new(name: String, contact: String, location: String, organization_type: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Claim` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/models.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub struct Claim {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/models.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl Claim {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 111 |     pub fn new(user_id: String, species: String, quantity: u32, location: String, image_hash: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `user_exists` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | pub fn user_exists(principal: Principal) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_user_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn update_user_stats(_principal: Principal, _tokens: f64, _activities: u32, _nfts: u32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_public_user_profile` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/user.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn get_public_user_profile(principal: Principal) -> Option<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ActivityStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | type ActivityStore = BTreeMap<u64, Activity, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submit_activity` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn submit_activity(input: SubmitActivityInput) -> Result<Activity, ActivityError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_activities` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn get_user_activities() -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn get_activity(activity_id: u64) -> Option<Activity> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_activity_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub fn get_user_activity_stats() -> UserActivityStats {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub fn verify_activity(activity_id: u64, verification_score: u8) -> Result<(), ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_activities_for_verification` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:266:8
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub fn get_all_activities_for_verification() -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_global_activity_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub fn get_global_activity_stats() -> (u32, f64, u32, u32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_recent_global_activities` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:322:8
[INFO] [stdout]     |
[INFO] [stdout] 322 | pub fn get_recent_global_activities(limit: u32) -> Vec<ActivityHistoryItem> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activities_by_type` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:356:8
[INFO] [stdout]     |
[INFO] [stdout] 356 | pub fn get_activities_by_type(activity_type: String) -> Result<Vec<ActivityHistoryItem>, ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_activity` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:393:8
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub fn delete_activity(activity_id: u64) -> Result<(), ActivityError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_activity_streak` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:423:4
[INFO] [stdout]     |
[INFO] [stdout] 423 | fn calculate_activity_streak(user_principal: Principal) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_activity_types` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity.rs:477:8
[INFO] [stdout]     |
[INFO] [stdout] 477 | pub fn get_activity_types() -> Vec<(String, f64, String)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `NFTStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type NFTStore = BTreeMap<u64, CarbonNFT, Memory>;
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ListingStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type ListingStore = BTreeMap<u64, MarketplaceListing, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TransactionStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | type TransactionStore = BTreeMap<u64, NFTTransaction, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mint_nft` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/nft.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn mint_nft() -> Result<CarbonNFT, TokenError> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_nfts` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn get_user_nfts(user_principal: Principal) -> Vec<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_nfts` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_my_nfts() -> Vec<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn get_nft(nft_id: u64) -> Option<CarbonNFT> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub fn list_nft(input: ListNFTInput) -> Result<MarketplaceListing, TokenError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `buy_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub fn buy_nft(input: BuyNFTInput) -> Result<NFTTransaction, TokenError> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cancel_listing` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn cancel_listing(listing_id: u64) -> Result<(), TokenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_marketplace_listings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:279:8
[INFO] [stdout]     |
[INFO] [stdout] 279 | pub fn get_marketplace_listings(filter: Option<MarketplaceFilter>) -> Vec<MarketplaceListing> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_listings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 | pub fn get_my_listings() -> Vec<MarketplaceListing> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_marketplace_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:353:8
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub fn get_marketplace_stats() -> MarketplaceStats {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_recent_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 | pub fn get_recent_transactions(limit: u32) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 | pub fn get_user_transactions(user_principal: Principal) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_my_transactions` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:439:8
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub fn get_my_transactions() -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_activity_summary` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:445:4
[INFO] [stdout]     |
[INFO] [stdout] 445 | fn create_activity_summary(user_stats: &crate::activity_models::UserActivityStats) -> ActivitySummary {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_timestamp` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:490:4
[INFO] [stdout]     |
[INFO] [stdout] 490 | fn format_timestamp(timestamp: u64) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nft_ownership_history` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:504:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub fn get_nft_ownership_history(nft_id: u64) -> Vec<NFTTransaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_global_nft_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/nft.rs:525:8
[INFO] [stdout]     |
[INFO] [stdout] 525 | pub fn get_global_nft_stats() -> (u32, u32, u32, f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Memory` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Memory = VirtualMemory<DefaultMemoryImpl>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `TokenStore` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | type TokenStore = BTreeMap<Principal, TokenBalance, Memory>;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `award_tokens_for_activity` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn award_tokens_for_activity(user_principal: Principal, carbon_offset: f64) -> Result<u64, TokenError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_balance` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn get_token_balance() -> TokenBalance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_token_balance` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn get_user_token_balance(principal: Principal) -> TokenBalance {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transfer_tokens` is never used
[INFO] [stdout]   --> src/karbyn_backend/src/token.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub fn transfer_tokens(from: Principal, to: Principal, amount: u64) -> Result<(), TokenError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:212:17
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] 212 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `burn_tokens_for_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn burn_tokens_for_nft(user_principal: Principal) -> Result<(), TokenError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_mint_nft` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn can_mint_nft() -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_portfolio` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn get_user_portfolio() -> UserPortfolio {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_user_portfolio_by_principal` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn get_user_portfolio_by_principal(principal: Principal) -> UserPortfolio {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_leaderboard` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub fn get_leaderboard(limit: u32) -> Vec<LeaderboardEntry> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_stats` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn get_token_stats() -> (u64, u64, u32, f64) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_token_distribution` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 234 | pub fn get_token_distribution() -> Vec<(String, u32)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_daily_token_earnings` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 | pub fn get_daily_token_earnings() -> Vec<(String, u64)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityType` is never used
[INFO] [stdout]  --> src/karbyn_backend/src/activity_models.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum ActivityType {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `default_carbon_per_unit`, `as_str`, and `validation_rules` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/activity_models.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl ActivityType {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 18 |     /// Get the default carbon offset value per unit for this activity type
[INFO] [stdout] 19 |     pub fn default_carbon_per_unit(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn validation_rules(&self) -> ActivityValidationRules {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityValidationRules` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub struct ActivityValidationRules {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubmitActivityInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct SubmitActivityInput {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Activity` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub struct Activity {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityVerificationStatus` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:146:10
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub enum ActivityVerificationStatus {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl ActivityVerificationStatus {
[INFO] [stdout]     | ------------------------------- method in this implementation
[INFO] [stdout] 154 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserActivityStats` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub struct UserActivityStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityHistoryItem` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:180:12
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub struct ActivityHistoryItem {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ActivityError` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:195:10
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub enum ActivityError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `validate`, `calculate_carbon_offset`, `is_nft_eligible`, `get_summary`, and `update_verification` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl Activity {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 224 |     /// Validate the activity data
[INFO] [stdout] 225 |     pub fn validate(&self) -> Result<(), ActivityError> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     pub fn calculate_carbon_offset(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 267 |     pub fn is_nft_eligible(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn get_summary(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 286 |     pub fn update_verification(&mut self, status: ActivityVerificationStatus, score: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add_activity` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 301 | impl UserActivityStats {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 302 |     /// Create new empty stats
[INFO] [stdout] 303 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub fn add_activity(&mut self, activity: &Activity) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CarbonCalculator` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:340:12
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub struct CarbonCalculator;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `calculate_with_location_factor` and `validate_calculation` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 342 | impl CarbonCalculator {
[INFO] [stdout]     | --------------------- associated functions in this implementation
[INFO] [stdout] 343 |     /// Calculate carbon offset with location-based adjustments
[INFO] [stdout] 344 |     pub fn calculate_with_location_factor(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn validate_calculation(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenBalance` is never constructed
[INFO] [stdout]  --> src/karbyn_backend/src/token_models.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct TokenBalance {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_tokens`, `deduct_tokens`, and `can_mint_nft` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl TokenBalance {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(principal: Principal) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn add_tokens(&mut self, amount: u64) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn deduct_tokens(&mut self, amount: u64) -> Result<(), TokenError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn can_mint_nft(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CarbonNFT` is never constructed
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct CarbonNFT {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `transfer_ownership`, and `set_listed` are never used
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl CarbonNFT {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 77 |     pub fn new(nft_id: u64, owner: Principal, activity_summary: ActivitySummary) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn transfer_ownership(&mut self, new_owner: Principal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn set_listed(&mut self, listed: bool) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivitySummary` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct ActivitySummary {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActivityTypeCount` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub struct ActivityTypeCount {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceListing` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub struct MarketplaceListing {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ListingStatus` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:144:10
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub enum ListingStatus {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:151:12
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl ListingStatus {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 151 |     pub fn as_str(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `mark_sold`, `cancel`, and `is_active` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:161:12
[INFO] [stdout]     |
[INFO] [stdout] 160 | impl MarketplaceListing {
[INFO] [stdout]     | ----------------------- associated items in this implementation
[INFO] [stdout] 161 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn mark_sold(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub fn cancel(&mut self) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub fn is_active(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NFTTransaction` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 | pub struct NFTTransaction {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TransactionType` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:220:10
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub enum TransactionType {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new_mint` and `new_sale` are never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:227:12
[INFO] [stdout]     |
[INFO] [stdout] 226 | impl NFTTransaction {
[INFO] [stdout]     | ------------------- associated functions in this implementation
[INFO] [stdout] 227 |     pub fn new_mint(transaction_id: u64, nft_id: u64, owner: Principal) -> Self {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 239 |     pub fn new_sale(
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserPortfolio` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub struct UserPortfolio {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeaderboardEntry` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:288:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | pub struct LeaderboardEntry {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenError` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:299:10
[INFO] [stdout]     |
[INFO] [stdout] 299 | pub enum TokenError {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:315:12
[INFO] [stdout]     |
[INFO] [stdout] 314 | impl TokenError {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 315 |     pub fn as_str(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNFTInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct ListNFTInput {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BuyNFTInput` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:344:12
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub struct BuyNFTInput {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceFilter` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:350:12
[INFO] [stdout]     |
[INFO] [stdout] 350 | pub struct MarketplaceFilter {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MarketplaceStats` is never constructed
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:359:12
[INFO] [stdout]     |
[INFO] [stdout] 359 | pub struct MarketplaceStats {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/activity_models.rs:212:17
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] 212 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/karbyn_backend/src/token_models.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/karbyn_backend/src/token_models.rs:264:17
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn to_bytes(&self) -> Cow<[u8]> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn to_bytes(&self) -> Cow<'_, [u8]> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.56s
[INFO] running `Command { std: "docker" "inspect" "8a34cd63773ed082248bded7f50aeb006d16f1435b3efecb3b0b48bd65497c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a34cd63773ed082248bded7f50aeb006d16f1435b3efecb3b0b48bd65497c69", kill_on_drop: false }`
[INFO] [stdout] 8a34cd63773ed082248bded7f50aeb006d16f1435b3efecb3b0b48bd65497c69
