[INFO] cloning repository https://github.com/kunal1purohit/Rust_Custom_Blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunal1purohit/Rust_Custom_Blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal1purohit%2FRust_Custom_Blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal1purohit%2FRust_Custom_Blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d07005415e806878b4e9c524c4c471f347c042c
[INFO] testing kunal1purohit/Rust_Custom_Blockchain against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunal1purohit%2FRust_Custom_Blockchain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kunal1purohit/Rust_Custom_Blockchain
[INFO] finished tweaking git repo https://github.com/kunal1purohit/Rust_Custom_Blockchain
[INFO] tweaked toml for git repo https://github.com/kunal1purohit/Rust_Custom_Blockchain written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kunal1purohit/Rust_Custom_Blockchain on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kunal1purohit/Rust_Custom_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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e5e691dad3ceb893218904484d3526bdefe1ed2aa2817af7f96641bebaa10d2
[INFO] running `Command { std: "docker" "start" "-a" "6e5e691dad3ceb893218904484d3526bdefe1ed2aa2817af7f96641bebaa10d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e5e691dad3ceb893218904484d3526bdefe1ed2aa2817af7f96641bebaa10d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5e691dad3ceb893218904484d3526bdefe1ed2aa2817af7f96641bebaa10d2", kill_on_drop: false }`
[INFO] [stdout] 6e5e691dad3ceb893218904484d3526bdefe1ed2aa2817af7f96641bebaa10d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0941fc5c9e7f219add57f435cbdc3d7ed26d570c1add58d8f9ca0f58b41b9ff
[INFO] running `Command { std: "docker" "start" "-a" "a0941fc5c9e7f219add57f435cbdc3d7ed26d570c1add58d8f9ca0f58b41b9ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.105
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling object v0.36.1
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling clap_builder v4.5.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling clap v4.5.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling env_logger v0.11.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling custom-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tx::TXOutput`
[INFO] [stdout]  --> src/blockchain.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{tx::TXOutput, transaction::Transaction};
[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: `blockchain::Blockchain`
[INFO] [stdout]  --> src/transaction.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{blockchain::Blockchain, error::Result};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/transaction.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if(acc_v.0 < amount){
[INFO] [stdout]    |           ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         if(acc_v.0 < amount){
[INFO] [stdout] 45 +         if acc_v.0 < amount {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tx.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::serialize`
[INFO] [stdout]  --> src/utxoset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode::serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/cli.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         if let Some(ref matches) = matches.subcommand_matches("createwallet"){
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/cli.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |         if let Some(ref matches) = matches.subcommand_matches("listaddresses"){
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut ws = Wallets::new()?;
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utxoset.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_unspent_transactions` and `verify_transaction` are never used
[INFO] [stdout]    --> src/blockchain.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Blockchain{
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  59 |     fn find_unspent_transactions(&self, address:&[u8]) -> Vec<Transaction>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn verify_transaction(&self , tx: &mut Transaction)->Result<bool>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify` is never used
[INFO] [stdout]    --> src/transaction.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Transaction{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn verify(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_unlock_output_with` is never used
[INFO] [stdout]   --> src/tx.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 31 |     //checks whether the address initiated with the transaction
[INFO] [stdout] 32 |     pub fn can_unlock_output_with(&self,unlocking_data:&[u8])->bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn find_UTXO(&self
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn iter(&self) -> BlockchainIter{
[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] 148 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_prev_TXs(&self , tx:&Transaction)->Result<HashMap<String , Transaction>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut prev_TXs = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TX` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let prev_TX = self.find_transaction(&vin.txid)?;
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             utxo_set.update(&new_block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = utxo_set.update(&new_block);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new_UTXO(from:&str , to:&str , amount:i32 , bc:&UTXOSet)->Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let prev_Tx = prev_TXs.get(&tx_copy.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tx.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         txo.lock(&address);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = txo.lock(&address);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/utxoset.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn find_UTXO(&self , pub_key_hash:&[u8]) -> Result<TXOutputs>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `Command { std: "docker" "inspect" "a0941fc5c9e7f219add57f435cbdc3d7ed26d570c1add58d8f9ca0f58b41b9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0941fc5c9e7f219add57f435cbdc3d7ed26d570c1add58d8f9ca0f58b41b9ff", kill_on_drop: false }`
[INFO] [stdout] a0941fc5c9e7f219add57f435cbdc3d7ed26d570c1add58d8f9ca0f58b41b9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c03187df3d6d951e7a5558523f8493ad445edc07c1917ba96127b560c22e79
[INFO] running `Command { std: "docker" "start" "-a" "60c03187df3d6d951e7a5558523f8493ad445edc07c1917ba96127b560c22e79", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tx::TXOutput`
[INFO] [stdout]  --> src/blockchain.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::{tx::TXOutput, transaction::Transaction};
[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: `blockchain::Blockchain`
[INFO] [stdout]  --> src/transaction.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{blockchain::Blockchain, error::Result};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/transaction.rs:45:11
[INFO] [stdout]    |
[INFO] [stdout] 45 |         if(acc_v.0 < amount){
[INFO] [stdout]    |           ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 -         if(acc_v.0 < amount){
[INFO] [stdout] 45 +         if acc_v.0 < amount {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/tx.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::serialize`
[INFO] [stdout]  --> src/utxoset.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bincode::serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/cli.rs:58:25
[INFO] [stdout]    |
[INFO] [stdout] 58 |         if let Some(ref matches) = matches.subcommand_matches("createwallet"){
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]   --> src/cli.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |         if let Some(ref matches) = matches.subcommand_matches("listaddresses"){
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/cli.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |             let mut ws = Wallets::new()?;
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utxoset.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_unspent_transactions` and `verify_transaction` are never used
[INFO] [stdout]    --> src/blockchain.rs:59:8
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Blockchain{
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  59 |     fn find_unspent_transactions(&self, address:&[u8]) -> Vec<Transaction>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn verify_transaction(&self , tx: &mut Transaction)->Result<bool>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `verify` is never used
[INFO] [stdout]    --> src/transaction.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout]  24 | impl Transaction{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn verify(
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_unlock_output_with` is never used
[INFO] [stdout]   --> src/tx.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 31 |     //checks whether the address initiated with the transaction
[INFO] [stdout] 32 |     pub fn can_unlock_output_with(&self,unlocking_data:&[u8])->bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn find_UTXO(&self
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn iter(&self) -> BlockchainIter{
[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] 148 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn get_prev_TXs(&self , tx:&Transaction)->Result<HashMap<String , Transaction>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut prev_TXs = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TX` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |             let prev_TX = self.find_transaction(&vin.txid)?;
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |             utxo_set.update(&new_block);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let _ = utxo_set.update(&new_block);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new_UTXO(from:&str , to:&str , amount:i32 , bc:&UTXOSet)->Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let prev_Tx = prev_TXs.get(&tx_copy.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tx.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         txo.lock(&address);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = txo.lock(&address);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/utxoset.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn find_UTXO(&self , pub_key_hash:&[u8]) -> Result<TXOutputs>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "60c03187df3d6d951e7a5558523f8493ad445edc07c1917ba96127b560c22e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c03187df3d6d951e7a5558523f8493ad445edc07c1917ba96127b560c22e79", kill_on_drop: false }`
[INFO] [stdout] 60c03187df3d6d951e7a5558523f8493ad445edc07c1917ba96127b560c22e79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ada8f328b72ae1c91bd8897ae5f0eff5477acc3332d6187e91a1ab89954472a5
[INFO] running `Command { std: "docker" "start" "-a" "ada8f328b72ae1c91bd8897ae5f0eff5477acc3332d6187e91a1ab89954472a5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tx::TXOutput`
[INFO] [stderr]  --> src/blockchain.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::{tx::TXOutput, transaction::Transaction};
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `blockchain::Blockchain`
[INFO] [stderr]  --> src/transaction.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{blockchain::Blockchain, error::Result};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/transaction.rs:45:11
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if(acc_v.0 < amount){
[INFO] [stderr]    |           ^                ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 45 -         if(acc_v.0 < amount){
[INFO] [stderr] 45 +         if acc_v.0 < amount {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/tx.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bincode::serialize`
[INFO] [stderr]  --> src/utxoset.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bincode::serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blockchain.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         let mut b = Blockchain::new().unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/cli.rs:58:25
[INFO] [stderr]    |
[INFO] [stderr] 58 |         if let Some(ref matches) = matches.subcommand_matches("createwallet"){
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]   --> src/cli.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 |         if let Some(ref matches) = matches.subcommand_matches("listaddresses"){
[INFO] [stderr]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cli.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let mut ws = Wallets::new()?;
[INFO] [stderr]    |                 ----^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/utxoset.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `find_unspent_transactions` and `verify_transaction` are never used
[INFO] [stderr]    --> src/blockchain.rs:59:8
[INFO] [stderr]     |
[INFO] [stderr]  24 | impl Blockchain{
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  59 |     fn find_unspent_transactions(&self, address:&[u8]) -> Vec<Transaction>{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 |     pub fn verify_transaction(&self , tx: &mut Transaction)->Result<bool>{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `verify` is never used
[INFO] [stderr]    --> src/transaction.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr]  24 | impl Transaction{
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 119 |     pub fn verify(
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_unlock_output_with` is never used
[INFO] [stderr]   --> src/tx.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl TXInput{
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 31 |     //checks whether the address initiated with the transaction
[INFO] [stderr] 32 |     pub fn can_unlock_output_with(&self,unlocking_data:&[u8])->bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_UTXO` should have a snake case name
[INFO] [stderr]   --> src/blockchain.rs:96:12
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn find_UTXO(&self
[INFO] [stderr]    |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blockchain.rs:148:17
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn iter(&self) -> BlockchainIter{
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:166:8
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn get_prev_TXs(&self , tx:&Transaction)->Result<HashMap<String , Transaction>>{
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:167:17
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let mut prev_TXs = HashMap::new();
[INFO] [stderr]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TX` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:169:17
[INFO] [stderr]     |
[INFO] [stderr] 169 |             let prev_TX = self.find_transaction(&vin.txid)?;
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/cli.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             utxo_set.update(&new_block);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let _ = utxo_set.update(&new_block);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_UTXO` should have a snake case name
[INFO] [stderr]   --> src/transaction.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new_UTXO(from:&str , to:&str , amount:i32 , bc:&UTXOSet)->Result<Transaction>{
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_Tx` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |         prev_TXs: HashMap<String,Transaction>
[INFO] [stderr]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_Tx` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:172:17
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let prev_Tx = prev_TXs.get(&tx_copy.vin[in_id].txid).unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/tx.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         txo.lock(&address);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let _ = txo.lock(&address);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_UTXO` should have a snake case name
[INFO] [stderr]    --> src/utxoset.rs:110:12
[INFO] [stderr]     |
[INFO] [stderr] 110 |     pub fn find_UTXO(&self , pub_key_hash:&[u8]) -> Result<TXOutputs>{
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: `custom-chain` (bin "custom-chain" test) generated 28 warnings (run `cargo fix --bin "custom-chain" --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/custom_chain-aa675fe160f7fce1)
[INFO] [stdout] running 1 test
[INFO] [stdout] test blockchain::tests::test_add_block ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- blockchain::tests::test_add_block stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'blockchain::tests::test_add_block' (24) panicked at src/blockchain.rs:215:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout]    0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/internal.rs:46:44
[INFO] [stdout]    1: failure::backtrace::Backtrace::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/backtrace/mod.rs:121:35
[INFO] [stdout]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/error/error_impl.rs:19:17
[INFO] [stdout]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/failure-0.1.8/src/error/mod.rs:36:18
[INFO] [stdout]    4: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:2177:27
[INFO] [stdout]    5: custom_chain::blockchain::Blockchain::new
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:27:18
[INFO] [stdout]    6: custom_chain::blockchain::tests::test_add_block
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:215:21
[INFO] [stdout]    7: custom_chain::blockchain::tests::test_add_block::{{closure}}
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:214:24
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   10: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   11: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   12: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]       std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   14: <unknown>
[INFO] [stdout]   15: clone
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x555669425622 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x555669425622 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x555669425622 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x555669425622 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x555669436d3f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x555669436d3f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5556693f0a01 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5556693f0a01 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5556693fd822 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x555669402acf - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x555669402961 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x555669141c4e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x555669141c4e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x55566940318f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x55566940318f - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x555669402fea - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x5556693fd959 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5556693e477d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x55566943f660 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x55566943ebb6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stdout]   20:     0x55566911b63c - core::result::Result<T,E>::unwrap::hda0336d3c17f0417
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stdout]   21:     0x55566911b63c - custom_chain::blockchain::tests::test_add_block::h643b8fa8939db2dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:215:39
[INFO] [stdout]   22:     0x55566911b917 - custom_chain::blockchain::tests::test_add_block::{{closure}}::h8aa57b71225598e8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:214:24
[INFO] [stdout]   23:     0x55566911d776 - core::ops::function::FnOnce::call_once::h3ab5faf1d2e6a529
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x555669141a0b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x555669141a0b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x555669157675 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x555669157675 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x555669157675 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x555669157675 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x555669157675 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x555669157675 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x555669157675 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x55566912de64 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x55566912de64 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x55566913172a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x55566913172a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x55566913172a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x55566913172a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x55566913172a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x55566913172a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x55566913172a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5556693f8abf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x5556693f8abf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x70148992faa4 - <unknown>
[INFO] [stdout]   45:     0x7014899bca34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     blockchain::tests::test_add_block
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin custom-chain`
[INFO] running `Command { std: "docker" "inspect" "ada8f328b72ae1c91bd8897ae5f0eff5477acc3332d6187e91a1ab89954472a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada8f328b72ae1c91bd8897ae5f0eff5477acc3332d6187e91a1ab89954472a5", kill_on_drop: false }`
[INFO] [stdout] ada8f328b72ae1c91bd8897ae5f0eff5477acc3332d6187e91a1ab89954472a5
