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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leonardocreatus/stordy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardocreatus%2Fstordy", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c693074be19efb0194ad0911ef0b0f360bfc4cad
[INFO] checking leonardocreatus/stordy against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardocreatus%2Fstordy" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonardocreatus/stordy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
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[INFO] started tweaking git repo https://github.com/leonardocreatus/stordy
[INFO] finished tweaking git repo https://github.com/leonardocreatus/stordy
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[INFO] crate git repo https://github.com/leonardocreatus/stordy already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let request = request.into_inner();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:70:46
[INFO] [stdout]    |
[INFO] [stdout] 70 |     async fn find_transaction_by_hash(&self, request: Request<transaction::FindTransactionByHashRequest>) -> Result<Response<transaction:...
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |     async fn exists_transaction_on_block(&self, request: Request<transaction::ExistsTransactionOnBlockRequet>) -> Result<Response<transac...
[INFO] [stdout]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let request = request.into_inner();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:70:46
[INFO] [stdout]    |
[INFO] [stdout] 70 |     async fn find_transaction_by_hash(&self, request: Request<transaction::FindTransactionByHashRequest>) -> Result<Response<transaction:...
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |     async fn exists_transaction_on_block(&self, request: Request<transaction::ExistsTransactionOnBlockRequet>) -> Result<Response<transac...
[INFO] [stdout]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |   async fn add_block(&self, request: Request<block::Block>) -> Result<Response<block::Empty>, Status> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |   async fn find_block_by_hash(&self, request: Request<block::FindBlockByHashRequest>) -> Result<Response<block::Block>,Status> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |   async fn length_block(&self, request: Request<block::LengthRequest>) -> Result<Response<block::LengthReply>, Status> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GRPCTransaction  {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 24 |     db: Arc<Mutex<btree::BTree>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     pub index: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |     pub previous_hash: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub timestamp: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 28 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub signature: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 30 |     pub nonce: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub identification: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub hash: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/transaction.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Transaction {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 93  |    
[INFO] [stdout] 94  |     pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn decode(buf: Vec<u8>) -> Transaction {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/./btree.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |   db: sled::Db,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `get` are never used
[INFO] [stdout]   --> src/./btree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl BTree {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn insert(&self, key: String, value: Vec<u8>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn get(&self, key: String) -> Option<Vec<u8>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/block.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GRPCBlock {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 18 |   db: Arc<Mutex<BTree>>,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 19 |   pub index: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 20 |   pub previous_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 21 |   pub timestamp: u64,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 22 |   pub hash: String,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 23 |   pub nonce: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub public_key: String,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 25 |   pub block_context: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 26 |   pub device: String,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 27 |   pub previous_expired_block_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |   pub previous_block_signature: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/block.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |   pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |   pub fn decode(buf: Vec<u8> ) -> block_buffer::BlockBuffer {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |   async fn add_block(&self, request: Request<block::Block>) -> Result<Response<block::Empty>, Status> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |   async fn find_block_by_hash(&self, request: Request<block::FindBlockByHashRequest>) -> Result<Response<block::Block>,Status> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |   async fn length_block(&self, request: Request<block::LengthRequest>) -> Result<Response<block::LengthReply>, Status> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GRPCTransaction  {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 24 |     db: Arc<Mutex<btree::BTree>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     pub index: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |     pub previous_hash: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub timestamp: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 28 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub signature: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 30 |     pub nonce: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub identification: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub hash: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/transaction.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Transaction {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 93  |    
[INFO] [stdout] 94  |     pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn decode(buf: Vec<u8>) -> Transaction {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/./btree.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |   db: sled::Db,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `get` are never used
[INFO] [stdout]   --> src/./btree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl BTree {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn insert(&self, key: String, value: Vec<u8>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn get(&self, key: String) -> Option<Vec<u8>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/block.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GRPCBlock {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 18 |   db: Arc<Mutex<BTree>>,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 19 |   pub index: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 20 |   pub previous_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 21 |   pub timestamp: u64,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 22 |   pub hash: String,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 23 |   pub nonce: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub public_key: String,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 25 |   pub block_context: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 26 |   pub device: String,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 27 |   pub previous_expired_block_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |   pub previous_block_signature: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/block.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |   pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |   pub fn decode(buf: Vec<u8> ) -> block_buffer::BlockBuffer {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.91s
[INFO] running `Command { std: "docker" "inspect" "fe824f1f6bdc006741a51209692026918114aa69af91fda59d98820339f4a1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe824f1f6bdc006741a51209692026918114aa69af91fda59d98820339f4a1da", kill_on_drop: false }`
[INFO] [stdout] fe824f1f6bdc006741a51209692026918114aa69af91fda59d98820339f4a1da
[INFO] checking leonardocreatus/stordy against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleonardocreatus%2Fstordy" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leonardocreatus/stordy on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
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[INFO] finished tweaking git repo https://github.com/leonardocreatus/stordy
[INFO] tweaked toml for git repo https://github.com/leonardocreatus/stordy written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/leonardocreatus/stordy already has a lockfile, it will not be regenerated
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[INFO] running `Command { std: "docker" "start" "-a" "7cc1f182e7f55c99576c5a0e7ac6b2251f5d9c811b08d714ef3939ff8272b9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cc1f182e7f55c99576c5a0e7ac6b2251f5d9c811b08d714ef3939ff8272b9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc1f182e7f55c99576c5a0e7ac6b2251f5d9c811b08d714ef3939ff8272b9c6", kill_on_drop: false }`
[INFO] [stdout] 7cc1f182e7f55c99576c5a0e7ac6b2251f5d9c811b08d714ef3939ff8272b9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "ef6477bea2924732e3af31cb9fd85c9592c41430cbdbfafa9df56d5bcbd6389d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let request = request.into_inner();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:70:46
[INFO] [stdout]    |
[INFO] [stdout] 70 |     async fn find_transaction_by_hash(&self, request: Request<transaction::FindTransactionByHashRequest>) -> Result<Response<transaction:...
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |     async fn exists_transaction_on_block(&self, request: Request<transaction::ExistsTransactionOnBlockRequet>) -> Result<Response<transac...
[INFO] [stdout]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |   async fn add_block(&self, request: Request<block::Block>) -> Result<Response<block::Empty>, Status> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |   async fn find_block_by_hash(&self, request: Request<block::FindBlockByHashRequest>) -> Result<Response<block::Block>,Status> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |   async fn length_block(&self, request: Request<block::LengthRequest>) -> Result<Response<block::LengthReply>, Status> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GRPCTransaction  {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 24 |     db: Arc<Mutex<btree::BTree>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     pub index: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |     pub previous_hash: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub timestamp: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 28 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub signature: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 30 |     pub nonce: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub identification: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub hash: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/transaction.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Transaction {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 93  |    
[INFO] [stdout] 94  |     pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn decode(buf: Vec<u8>) -> Transaction {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/./btree.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |   db: sled::Db,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `get` are never used
[INFO] [stdout]   --> src/./btree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl BTree {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn insert(&self, key: String, value: Vec<u8>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn get(&self, key: String) -> Option<Vec<u8>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/block.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GRPCBlock {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 18 |   db: Arc<Mutex<BTree>>,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 19 |   pub index: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 20 |   pub previous_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 21 |   pub timestamp: u64,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 22 |   pub hash: String,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 23 |   pub nonce: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub public_key: String,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 25 |   pub block_context: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 26 |   pub device: String,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 27 |   pub previous_expired_block_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |   pub previous_block_signature: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/block.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |   pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |   pub fn decode(buf: Vec<u8> ) -> block_buffer::BlockBuffer {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let request = request.into_inner();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:70:46
[INFO] [stdout]    |
[INFO] [stdout] 70 |     async fn find_transaction_by_hash(&self, request: Request<transaction::FindTransactionByHashRequest>) -> Result<Response<transaction:...
[INFO] [stdout]    |                                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/transaction.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |     async fn exists_transaction_on_block(&self, request: Request<transaction::ExistsTransactionOnBlockRequet>) -> Result<Response<transac...
[INFO] [stdout]    |                                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |   async fn add_block(&self, request: Request<block::Block>) -> Result<Response<block::Empty>, Status> {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:55:38
[INFO] [stdout]    |
[INFO] [stdout] 55 |   async fn find_block_by_hash(&self, request: Request<block::FindBlockByHashRequest>) -> Result<Response<block::Block>,Status> {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/block.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |   async fn length_block(&self, request: Request<block::LengthRequest>) -> Result<Response<block::LengthReply>, Status> {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/transaction.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct GRPCTransaction  {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 24 |     db: Arc<Mutex<btree::BTree>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     pub index: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 26 |     pub previous_hash: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 27 |     pub timestamp: u64,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 28 |     pub data: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 29 |     pub signature: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 30 |     pub nonce: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 31 |     pub identification: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     pub hash: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/transaction.rs:94:12
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Transaction {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 93  |    
[INFO] [stdout] 94  |     pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn decode(buf: Vec<u8>) -> Transaction {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/./btree.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BTree {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 6 |   db: sled::Db,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `insert` and `get` are never used
[INFO] [stdout]   --> src/./btree.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl BTree {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn insert(&self, key: String, value: Vec<u8>) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn get(&self, key: String) -> Option<Vec<u8>> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/block.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct GRPCBlock {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 18 |   db: Arc<Mutex<BTree>>,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 19 |   pub index: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 20 |   pub previous_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 21 |   pub timestamp: u64,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 22 |   pub hash: String,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 23 |   pub nonce: u32,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub public_key: String,
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 25 |   pub block_context: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 26 |   pub device: String,
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 27 |   pub previous_expired_block_hash: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |   pub previous_block_signature: String,
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]    --> src/block.rs:86:10
[INFO] [stdout]     |
[INFO] [stdout] 85  | impl Block {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 86  |   pub fn encode(&self) -> Vec<u8> {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |   pub fn decode(buf: Vec<u8> ) -> block_buffer::BlockBuffer {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.95s
[INFO] running `Command { std: "docker" "inspect" "ef6477bea2924732e3af31cb9fd85c9592c41430cbdbfafa9df56d5bcbd6389d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6477bea2924732e3af31cb9fd85c9592c41430cbdbfafa9df56d5bcbd6389d", kill_on_drop: false }`
[INFO] [stdout] ef6477bea2924732e3af31cb9fd85c9592c41430cbdbfafa9df56d5bcbd6389d