[INFO] cloning repository https://github.com/vunguyen9404/merkle-airdrop-contract
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vunguyen9404/merkle-airdrop-contract" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvunguyen9404%2Fmerkle-airdrop-contract", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvunguyen9404%2Fmerkle-airdrop-contract'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88c1baf64f08c22147d517aa5b1cc6d1f9b71d5c
[INFO] checking vunguyen9404/merkle-airdrop-contract against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvunguyen9404%2Fmerkle-airdrop-contract" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vunguyen9404/merkle-airdrop-contract
[INFO] finished tweaking git repo https://github.com/vunguyen9404/merkle-airdrop-contract
[INFO] tweaked toml for git repo https://github.com/vunguyen9404/merkle-airdrop-contract written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vunguyen9404/merkle-airdrop-contract on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vunguyen9404/merkle-airdrop-contract 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.24.0
[INFO] [stderr]   Downloaded strum v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f5ab82c7daa780ad4a7056b8364afa5448d58198f5aab402e87190c387d9fac
[INFO] running `Command { std: "docker" "start" "-a" "9f5ab82c7daa780ad4a7056b8364afa5448d58198f5aab402e87190c387d9fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f5ab82c7daa780ad4a7056b8364afa5448d58198f5aab402e87190c387d9fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f5ab82c7daa780ad4a7056b8364afa5448d58198f5aab402e87190c387d9fac", kill_on_drop: false }`
[INFO] [stdout] 9f5ab82c7daa780ad4a7056b8364afa5448d58198f5aab402e87190c387d9fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cd47f585a96439c0ff924d210aea3f9af491a65b627ad6ee3b7f67d24c60fed
[INFO] running `Command { std: "docker" "start" "-a" "0cd47f585a96439c0ff924d210aea3f9af491a65b627ad6ee3b7f67d24c60fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling parity-secp256k1 v0.7.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking uint v0.9.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling reed-solomon-erasure v4.0.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking bitvec v0.20.4
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling easy-ext v0.2.9
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking near-sys v0.2.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]     Checking c2-chacha v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]     Checking ripemd v0.1.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]    Compiling borsh-derive-internal v0.9.3
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]    Compiling smart-default v0.6.0
[INFO] [stderr]    Compiling near-sdk-macros v4.0.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling near-rpc-error-core v0.13.0
[INFO] [stderr]    Compiling near-rpc-error-macro v0.13.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.3.1
[INFO] [stderr]    Compiling borsh-derive v0.9.3
[INFO] [stderr]     Checking borsh v0.9.3
[INFO] [stderr]     Checking parity-scale-codec v2.3.1
[INFO] [stderr]     Checking near-account-id v0.13.0
[INFO] [stderr]     Checking near-primitives-core v0.13.0
[INFO] [stderr]     Checking near-vm-errors v0.13.0
[INFO] [stderr]     Checking impl-codec v0.5.1
[INFO] [stderr]     Checking primitive-types v0.10.1
[INFO] [stderr]     Checking near-crypto v0.13.0
[INFO] [stderr]     Checking near-primitives v0.13.0
[INFO] [stderr]     Checking near-vm-logic v0.13.0
[INFO] [stderr]     Checking near-sdk v4.0.0
[INFO] [stderr]     Checking near-contract-standards v4.0.0
[INFO] [stderr]     Checking merkle-airdrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Promise`
[INFO] [stdout]  --> src/lib.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PanicOnDefault, Promise, PromiseResult,
[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: `crate::ft_callback::*`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::ft_callback::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::*`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::internal::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::view::*`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::view::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MockedBlockchain`
[INFO] [stdout]   --> src/lib.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |     use near_sdk::{testing_env, MockedBlockchain};
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `near_sdk::env::panic`: Use env::panic_str to panic with a message.
[INFO] [stdout]   --> src/ft_callback.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     env::panic(b"ERR_WRONG_VAL_RECEIVED")
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `near_sdk::env::panic`: Use env::panic_str to panic with a message.
[INFO] [stdout]   --> src/ft_callback.rs:50:43
[INFO] [stdout]    |
[INFO] [stdout] 50 |             PromiseResult::Failed => env::panic(b"ERR_CALL_FAILED"),
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account_id`
[INFO] [stdout]   --> src/ft_callback.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_ft_decimals(&self, airdrop_id: AirdropId, account_id: AccountId, amount: U128) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ft_callback.rs:24:81
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_ft_decimals(&self, airdrop_id: AirdropId, account_id: AccountId, amount: U128) {
[INFO] [stdout]    |                                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user_hash` is never read
[INFO] [stdout]   --> src/internal.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut user_hash = String::from_utf8_lossy(&user_hash_buf).to_string();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `campaigns`
[INFO] [stdout]   --> src/view.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let campaigns = if let Some(campaigns) = campaigns {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_campaigns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ft_balance`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         ft_balance: Balance,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ft_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAS_FOR_FT_TRANSFER` is never used
[INFO] [stdout]  --> src/ft_callback.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const GAS_FOR_FT_TRANSFER: Gas = Gas(15_000_000_000_000);
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExtSelf` is never used
[INFO] [stdout]  --> src/ft_callback.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ExtSelf {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FungibleToken` is never used
[INFO] [stdout]   --> src/ft_callback.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait FungibleToken {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FungibleTokenMetadataProvider` is never used
[INFO] [stdout]   --> src/ft_callback.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait FungibleTokenMetadataProvider {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_self` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn assert_self() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yton` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn yton(yocto_amount: Balance) -> Balance {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `balance_to_str` is never used
[INFO] [stdout]   --> src/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn balance_to_str(amount: Balance) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sample_proof` is never used
[INFO] [stdout]    --> src/lib.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_sample_proof() -> Vec<Proof> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Promise`
[INFO] [stdout]  --> src/lib.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |     PanicOnDefault, Promise, PromiseResult,
[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: `crate::ft_callback::*`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::ft_callback::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::internal::*`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::internal::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::view::*`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::view::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `near_sdk::env::panic`: Use env::panic_str to panic with a message.
[INFO] [stdout]   --> src/ft_callback.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     env::panic(b"ERR_WRONG_VAL_RECEIVED")
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `near_sdk::env::panic`: Use env::panic_str to panic with a message.
[INFO] [stdout]   --> src/ft_callback.rs:50:43
[INFO] [stdout]    |
[INFO] [stdout] 50 |             PromiseResult::Failed => env::panic(b"ERR_CALL_FAILED"),
[INFO] [stdout]    |                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `account_id`
[INFO] [stdout]   --> src/ft_callback.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_ft_decimals(&self, airdrop_id: AirdropId, account_id: AccountId, amount: U128) {
[INFO] [stdout]    |                                                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_account_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ft_callback.rs:24:81
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn get_ft_decimals(&self, airdrop_id: AirdropId, account_id: AccountId, amount: U128) {
[INFO] [stdout]    |                                                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `user_hash` is never read
[INFO] [stdout]   --> src/internal.rs:68:29
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut user_hash = String::from_utf8_lossy(&user_hash_buf).to_string();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `campaigns`
[INFO] [stdout]   --> src/view.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let campaigns = if let Some(campaigns) = campaigns {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_campaigns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ft_balance`
[INFO] [stdout]   --> src/lib.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         ft_balance: Balance,
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ft_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GAS_FOR_FT_TRANSFER` is never used
[INFO] [stdout]  --> src/ft_callback.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const GAS_FOR_FT_TRANSFER: Gas = Gas(15_000_000_000_000);
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExtSelf` is never used
[INFO] [stdout]  --> src/ft_callback.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait ExtSelf {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FungibleToken` is never used
[INFO] [stdout]   --> src/ft_callback.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait FungibleToken {
[INFO] [stdout]    |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FungibleTokenMetadataProvider` is never used
[INFO] [stdout]   --> src/ft_callback.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait FungibleTokenMetadataProvider {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assert_self` is never used
[INFO] [stdout]  --> src/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn assert_self() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `yton` is never used
[INFO] [stdout]  --> src/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn yton(yocto_amount: Balance) -> Balance {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `balance_to_str` is never used
[INFO] [stdout]   --> src/utils.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn balance_to_str(amount: Balance) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.99s
[INFO] running `Command { std: "docker" "inspect" "0cd47f585a96439c0ff924d210aea3f9af491a65b627ad6ee3b7f67d24c60fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cd47f585a96439c0ff924d210aea3f9af491a65b627ad6ee3b7f67d24c60fed", kill_on_drop: false }`
[INFO] [stdout] 0cd47f585a96439c0ff924d210aea3f9af491a65b627ad6ee3b7f67d24c60fed
