[INFO] cloning repository https://github.com/Chaitanya-exe/rust_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chaitanya-exe/rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00ce2b00c0b52e28aa72c98670eda6aadac79b9c
[INFO] building Chaitanya-exe/rust_blockchain against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chaitanya-exe/rust_blockchain on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chaitanya-exe/rust_blockchain
[INFO] finished tweaking git repo https://github.com/Chaitanya-exe/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/Chaitanya-exe/rust_blockchain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Chaitanya-exe/rust_blockchain 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/cli.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(c) = matches.get_one::<String>("DATA"){
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut tx = Transaction{
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_genesis_block` and `get_transaction` are never used
[INFO] [stdout]   --> src/block.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Block{
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new_genesis_block(coinbase: Transaction) -> Block{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_transaction(&self) -> &Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENESIS_COINBASE` is never used
[INFO] [stdout]  --> src/blockchain.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const GENESIS_COINBASE: String = String::new();
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_blockchain`, `find_unspent_transaction`, and `find_UTXO` are never used
[INFO] [stdout]    --> src/blockchain.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Blockchain{
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38  |     pub fn create_blockchain(address: String) -> Result<Blockchain>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     pub fn find_unspent_transaction(&self, address: &str) -> Vec<Transaction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_coinbase`, `set_id`, and `is_coinbase` are never used
[INFO] [stdout]   --> src/transaction.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new_coinbase(to: String, mut data: String) -> Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_id(&mut self) -> Result<()>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_coinbase(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 61 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl TXOutput{
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 67 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let unspent_TXs = self.find_unspent_transaction(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.73s
[INFO] running `Command { std: "docker" "inspect" "01b649a3f602b28deb5bd3cbd20aa6bff01355a19de6362b3b84a3d2469b1167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b649a3f602b28deb5bd3cbd20aa6bff01355a19de6362b3b84a3d2469b1167", kill_on_drop: false }`
[INFO] [stdout] 01b649a3f602b28deb5bd3cbd20aa6bff01355a19de6362b3b84a3d2469b1167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aadabe5c784cdd5c62fe2226def546b95f48ce9303ede791ff3176438ea830b
[INFO] running `Command { std: "docker" "start" "-a" "1aadabe5c784cdd5c62fe2226def546b95f48ce9303ede791ff3176438ea830b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/cli.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(c) = matches.get_one::<String>("DATA"){
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut tx = Transaction{
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_genesis_block` and `get_transaction` are never used
[INFO] [stdout]   --> src/block.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Block{
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new_genesis_block(coinbase: Transaction) -> Block{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_transaction(&self) -> &Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENESIS_COINBASE` is never used
[INFO] [stdout]  --> src/blockchain.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const GENESIS_COINBASE: String = String::new();
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_blockchain`, `find_unspent_transaction`, and `find_UTXO` are never used
[INFO] [stdout]    --> src/blockchain.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout] 22  | impl Blockchain{
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38  |     pub fn create_blockchain(address: String) -> Result<Blockchain>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     pub fn find_unspent_transaction(&self, address: &str) -> Vec<Transaction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_coinbase`, `set_id`, and `is_coinbase` are never used
[INFO] [stdout]   --> src/transaction.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new_coinbase(to: String, mut data: String) -> Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_id(&mut self) -> Result<()>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_coinbase(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 61 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl TXOutput{
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 67 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let unspent_TXs = self.find_unspent_transaction(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "1aadabe5c784cdd5c62fe2226def546b95f48ce9303ede791ff3176438ea830b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aadabe5c784cdd5c62fe2226def546b95f48ce9303ede791ff3176438ea830b", kill_on_drop: false }`
[INFO] [stdout] 1aadabe5c784cdd5c62fe2226def546b95f48ce9303ede791ff3176438ea830b
