[INFO] cloning repository https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmanGUPTA435%2Fbitcoin-like-blockchain-in-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmanGUPTA435%2Fbitcoin-like-blockchain-in-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e1ceda3230802dcf6af31dfd4c97da1804088b2
[INFO] testing AmanGUPTA435/bitcoin-like-blockchain-in-Rust against 1.94.0 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmanGUPTA435%2Fbitcoin-like-blockchain-in-Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] finished tweaking git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust
[INFO] tweaked toml for git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AmanGUPTA435/bitcoin-like-blockchain-in-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.3.23
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[INFO] running `Command { std: "docker" "start" "-a" "b5dc29095c631920503648002ba6cf602c37a212f477da0a8c913a7b0665a33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5dc29095c631920503648002ba6cf602c37a212f477da0a8c913a7b0665a33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dc29095c631920503648002ba6cf602c37a212f477da0a8c913a7b0665a33a", kill_on_drop: false }`
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[INFO] [stdout] da0c79e8e86718e294061df534798cc60186a3752dde042b7a1719396a6eeed3
[INFO] running `Command { std: "docker" "start" "-a" "da0c79e8e86718e294061df534798cc60186a3752dde042b7a1719396a6eeed3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling syn v2.0.72
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[INFO] [stderr]    Compiling parking_lot_core v0.8.6
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[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling object v0.36.2
[INFO] [stderr]    Compiling serde_json v1.0.122
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
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[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling is-terminal v0.4.12
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[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling clap v4.5.13
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[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 blockchain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/blockchain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sled::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: `bitcoincash_addr::Address`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitcoincash_addr::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::block::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/transaction.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::error`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             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: struct `Blockchain` is never constructed
[INFO] [stdout]   --> src/block.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     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] 65 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     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:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_UTXO(from: &str, to: &str, amount: i32, bc: &Blockchain) -> Result<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "da0c79e8e86718e294061df534798cc60186a3752dde042b7a1719396a6eeed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0c79e8e86718e294061df534798cc60186a3752dde042b7a1719396a6eeed3", kill_on_drop: false }`
[INFO] [stdout] da0c79e8e86718e294061df534798cc60186a3752dde042b7a1719396a6eeed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab6ab8dd0a62d1ecf4a336814e6a5436a3307b8dac01941e2d2c5f225169a52
[INFO] running `Command { std: "docker" "start" "-a" "bab6ab8dd0a62d1ecf4a336814e6a5436a3307b8dac01941e2d2c5f225169a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/blockchain.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sled::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: `bitcoincash_addr::Address`
[INFO] [stdout]  --> src/cli.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bitcoincash_addr::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::block::Block`
[INFO] [stdout]  --> src/cli.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::block::Block;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/transaction.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::error`
[INFO] [stdout]  --> src/transaction.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]  --> src/transaction.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use failure::format_err;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |         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: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             let mut ws = Wallets::new()?;
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Blockchain` is never constructed
[INFO] [stdout]   --> src/block.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Blockchain{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/blockchain.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     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] 65 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         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:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     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:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new_UTXO(from: &str, to: &str, amount: i32, bc: &Blockchain) -> Result<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "bab6ab8dd0a62d1ecf4a336814e6a5436a3307b8dac01941e2d2c5f225169a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab6ab8dd0a62d1ecf4a336814e6a5436a3307b8dac01941e2d2c5f225169a52", kill_on_drop: false }`
[INFO] [stdout] bab6ab8dd0a62d1ecf4a336814e6a5436a3307b8dac01941e2d2c5f225169a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b74ca8a759066bef16b3900b0f6eb33aa48b3bb887b3be530811565b9c85b4b6
[INFO] running `Command { std: "docker" "start" "-a" "b74ca8a759066bef16b3900b0f6eb33aa48b3bb887b3be530811565b9c85b4b6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `sled::transaction`
[INFO] [stderr]  --> src/blockchain.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use sled::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: `bitcoincash_addr::Address`
[INFO] [stderr]  --> src/cli.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bitcoincash_addr::Address;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::block::Block`
[INFO] [stderr]  --> src/cli.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::block::Block;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]  --> src/transaction.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap::error`
[INFO] [stderr]  --> src/transaction.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::error;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::format_err`
[INFO] [stderr]  --> src/transaction.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use failure::format_err;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sled::transaction`
[INFO] [stderr]  --> src/transaction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use sled::transaction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blockchain.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |         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: variable does not need to be mutable
[INFO] [stderr]    --> src/cli.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let mut ws = Wallets::new()?;
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Blockchain` is never constructed
[INFO] [stderr]   --> src/block.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct Blockchain{
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/blockchain.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |     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] 65 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stderr]    |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stderr]   --> src/blockchain.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stderr]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stderr]   --> src/blockchain.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_UTXO` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:108:12
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput> {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let unspent_TXs = self.find_unspent_transactions(address);
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_UTXO` should have a snake case name
[INFO] [stderr]   --> src/transaction.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn new_UTXO(from: &str, to: &str, amount: i32, bc: &Blockchain) -> Result<Transaction> {
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain_rust` (bin "blockchain_rust" test) generated 17 warnings (run `cargo fix --bin "blockchain_rust" -p blockchain_rust --tests` to apply 10 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain_rust-bec2736a2f52f17d)
[INFO] [stdout] 
[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' (18) panicked at src/blockchain.rs:180:39:
[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/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:2189:27
[INFO] [stdout]    5: blockchain_rust::blockchain::Blockchain::new
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:24:18
[INFO] [stdout]    6: blockchain_rust::blockchain::tests::test_add_block
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:180:21
[INFO] [stdout]    7: blockchain_rust::blockchain::tests::test_add_block::{{closure}}
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:179:24
[INFO] [stdout]    8: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    9: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   10: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/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/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   11: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]       std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]       std::thread::lifecycle::spawn_unchecked::{{closure}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/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/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]       std::sys::thread::unix::Thread::new::thread_start
[INFO] [stdout]              at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   14: <unknown>
[INFO] [stdout]   15: clone
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x574987dd6e72 - std::backtrace_rs::backtrace::libunwind::trace::hff358a60abf734fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x574987dd6e72 - std::backtrace_rs::backtrace::trace_unsynchronized::h3b121f916dd95ec6
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x574987dd6e72 - std::sys::backtrace::_print_fmt::hde0a62ded68798e9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x574987dd6e72 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h93773fc827e3113d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x574987de836a - core::fmt::rt::Argument::fmt::h01eff69902dad97f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x574987de836a - core::fmt::write::hed7b5c73d82ecb7c
[INFO] [stdout]    6:     0x574987da3a76 - std::io::default_write_fmt::h2f696ff5b8bbaa4b
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x574987da3a76 - std::io::Write::write_fmt::h5e66814db8a9cfce
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x574987db5c99 - std::sys::backtrace::BacktraceLock::print::h8b1d6fcc5a56d1a3
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x574987db5c99 - std::panicking::default_hook::{{closure}}::h2be84df4f189ae36
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x574987db5b31 - std::panicking::default_hook::hf0ea8939246f43a9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x574987b1a6ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h02d35e3888986252
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x574987b1a6ae - test::test_main_with_exit_callback::{{closure}}::h939640a27d647173
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x574987db5f12 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc9df09ff391af3e7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x574987db5f12 - std::panicking::panic_with_hook::hb4bd9ac1123582a0
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x574987db5d58 - std::panicking::panic_handler::{{closure}}::hde00dd15f5637fe2
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x574987db0b19 - std::sys::backtrace::__rust_end_short_backtrace::hb72197fa777c1785
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x574987d97d2d - __rustc[4425a7e20b4c8619]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x574987df052c - core::panicking::panic_fmt::ha59b517dd231f4da
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x574987defce2 - core::result::unwrap_failed::hf2d1f30a3ac850fc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x574987aef9ac - core::result::Result<T,E>::unwrap::h79cc42e77dd91f4d
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x574987aef9ac - blockchain_rust::blockchain::tests::test_add_block::h9c6d05cd39eb6eb7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:180:39
[INFO] [stdout]   22:     0x574987aefc97 - blockchain_rust::blockchain::tests::test_add_block::{{closure}}::h32fbf63568e32089
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:179:24
[INFO] [stdout]   23:     0x574987af35f6 - core::ops::function::FnOnce::call_once::h91377dc5ac3d2e1e
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x574987b1a46b - core::ops::function::FnOnce::call_once::hddb3cd395c36bfbb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x574987b1a46b - test::__rust_begin_short_backtrace::h0b6a7601d9750bfa
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x574987b2de7a - test::run_test_in_process::{{closure}}::h444209903f00b347
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x574987b2de7a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hfb3ba8f46e537649
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x574987b2de7a - std::panicking::catch_unwind::do_call::h1672a45911fcf9dc
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x574987b2de7a - std::panicking::catch_unwind::h0fadaee22787a6dd
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x574987b2de7a - std::panic::catch_unwind::hc47ad190f2c8e188
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x574987b2de7a - test::run_test_in_process::hcd7faaf934f29999
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x574987b2de7a - test::run_test::{{closure}}::hddc4550da4871867
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x574987b082d4 - test::run_test::{{closure}}::h98ae26689f13ed94
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x574987b082d4 - std::sys::backtrace::__rust_begin_short_backtrace::h3ec4d1f21ad44588
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x574987b0bc72 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::hd8bf2c73d479939f
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x574987b0bc72 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h3b4248f358af2491
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x574987b0bc72 - std::panicking::catch_unwind::do_call::hda10a64f4b8daebe
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x574987b0bc72 - std::panicking::catch_unwind::h659e5ee8336ec8c7
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x574987b0bc72 - std::panic::catch_unwind::h9d4d66a538912c18
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x574987b0bc72 - std::thread::lifecycle::spawn_unchecked::{{closure}}::h7557906bb51d79f1
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x574987b0bc72 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h9e460d1d7fc83d35
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x574987dabc6f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h61282da819d64ea9
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x574987dabc6f - std::sys::thread::unix::Thread::new::thread_start::h982f9ea829d1b5fb
[INFO] [stdout]                                at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7e821e284aa4 - <unknown>
[INFO] [stdout]   45:     0x7e821e311a64 - 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 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin blockchain_rust`
[INFO] running `Command { std: "docker" "inspect" "b74ca8a759066bef16b3900b0f6eb33aa48b3bb887b3be530811565b9c85b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74ca8a759066bef16b3900b0f6eb33aa48b3bb887b3be530811565b9c85b4b6", kill_on_drop: false }`
[INFO] [stdout] b74ca8a759066bef16b3900b0f6eb33aa48b3bb887b3be530811565b9c85b4b6
