[INFO] cloning repository https://github.com/Chaitanya-exe/rust_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chaitanya-exe/rust_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00ce2b00c0b52e28aa72c98670eda6aadac79b9c
[INFO] testing Chaitanya-exe/rust_blockchain against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaitanya-exe%2Frust_blockchain" "/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/Chaitanya-exe/rust_blockchain
[INFO] finished tweaking git repo https://github.com/Chaitanya-exe/rust_blockchain
[INFO] tweaked toml for git repo https://github.com/Chaitanya-exe/rust_blockchain written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Chaitanya-exe/rust_blockchain on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Chaitanya-exe/rust_blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.13
[INFO] [stderr]   Downloaded merkle-cbt v0.3.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4a1dbc267025238efe3070023937871f2d4e218f546164fb16161b671a86b2
[INFO] running `Command { std: "docker" "start" "-a" "ad4a1dbc267025238efe3070023937871f2d4e218f546164fb16161b671a86b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4a1dbc267025238efe3070023937871f2d4e218f546164fb16161b671a86b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4a1dbc267025238efe3070023937871f2d4e218f546164fb16161b671a86b2", kill_on_drop: false }`
[INFO] [stdout] ad4a1dbc267025238efe3070023937871f2d4e218f546164fb16161b671a86b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4efec08cb93780350a13f8a82475fdc508269104f1faaf49e43fbbd072bef4f8
[INFO] running `Command { std: "docker" "start" "-a" "4efec08cb93780350a13f8a82475fdc508269104f1faaf49e43fbbd072bef4f8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.209
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[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling unicode-xid v0.2.5
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling object v0.36.4
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling clap_builder v4.5.15
[INFO] [stderr]    Compiling cpufeatures v0.2.13
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling clap v4.5.16
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/cli.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(c) = matches.get_one::<String>("DATA"){
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut tx = Transaction{
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_genesis_block` and `get_transaction` are never used
[INFO] [stdout]   --> src/block.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Block{
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new_genesis_block(coinbase: Transaction) -> Block{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_transaction(&self) -> &Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENESIS_COINBASE` is never used
[INFO] [stdout]  --> src/blockchain.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const GENESIS_COINBASE: String = String::new();
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_blockchain`, `find_unspent_transaction`, and `find_UTXO` are never used
[INFO] [stdout]    --> src/blockchain.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl Blockchain{
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn create_blockchain(address: String) -> Result<Blockchain>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn find_unspent_transaction(&self, address: &str) -> Vec<Transaction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_coinbase`, `set_id`, and `is_coinbase` are never used
[INFO] [stdout]   --> src/transaction.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new_coinbase(to: String, mut data: String) -> Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_id(&mut self) -> Result<()>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_coinbase(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 61 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl TXOutput{
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 67 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (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:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let unspent_TXs = self.find_unspent_transaction(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |     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] 120 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.02s
[INFO] running `Command { std: "docker" "inspect" "4efec08cb93780350a13f8a82475fdc508269104f1faaf49e43fbbd072bef4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efec08cb93780350a13f8a82475fdc508269104f1faaf49e43fbbd072bef4f8", kill_on_drop: false }`
[INFO] [stdout] 4efec08cb93780350a13f8a82475fdc508269104f1faaf49e43fbbd072bef4f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6c27dfbb787c9aedf873d8b821d6658f38d7dcdc051ec765f50eb9506e9316
[INFO] running `Command { std: "docker" "start" "-a" "4f6c27dfbb787c9aedf873d8b821d6658f38d7dcdc051ec765f50eb9506e9316", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/blockchain.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/cli.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if let Some(c) = matches.get_one::<String>("DATA"){
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let mut tx = Transaction{
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_genesis_block` and `get_transaction` are never used
[INFO] [stdout]   --> src/block.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Block{
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new_genesis_block(coinbase: Transaction) -> Block{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_transaction(&self) -> &Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GENESIS_COINBASE` is never used
[INFO] [stdout]  --> src/blockchain.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const GENESIS_COINBASE: String = String::new();
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_blockchain`, `find_unspent_transaction`, and `find_UTXO` are never used
[INFO] [stdout]    --> src/blockchain.rs:38:12
[INFO] [stdout]     |
[INFO] [stdout]  22 | impl Blockchain{
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  38 |     pub fn create_blockchain(address: String) -> Result<Blockchain>{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     pub fn find_unspent_transaction(&self, address: &str) -> Vec<Transaction> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_coinbase`, `set_id`, and `is_coinbase` are never used
[INFO] [stdout]   --> src/transaction.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Transaction {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 28 |     pub fn new_coinbase(to: String, mut data: String) -> Result<Transaction>{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_id(&mut self) -> Result<()>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn is_coinbase(&self) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl TXInput{
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 61 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_be_unlock_with` is never used
[INFO] [stdout]   --> src/transaction.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl TXOutput{
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 67 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]   --> src/blockchain.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]    |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (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:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut unspent_TXs: Vec<Transaction> = Vec::new();
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspent_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let unspent_TXs = self.find_unspent_transaction(address);
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |     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] 120 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "4f6c27dfbb787c9aedf873d8b821d6658f38d7dcdc051ec765f50eb9506e9316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6c27dfbb787c9aedf873d8b821d6658f38d7dcdc051ec765f50eb9506e9316", kill_on_drop: false }`
[INFO] [stdout] 4f6c27dfbb787c9aedf873d8b821d6658f38d7dcdc051ec765f50eb9506e9316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 517ccccfb6beb9ecaaaec9af6d3b5ecbaad3433c2f75820163883837b1d3e6cc
[INFO] running `Command { std: "docker" "start" "-a" "517ccccfb6beb9ecaaaec9af6d3b5ecbaad3433c2f75820163883837b1d3e6cc", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/blockchain.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |         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: `c`
[INFO] [stderr]   --> src/cli.rs:31:25
[INFO] [stderr]    |
[INFO] [stderr] 31 |             if let Some(c) = matches.get_one::<String>("DATA"){
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transaction.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let mut tx = Transaction{
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_genesis_block` and `get_transaction` are never used
[INFO] [stderr]   --> src/block.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl Block{
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 23 |     pub fn new_genesis_block(coinbase: Transaction) -> Block{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 44 |     pub fn get_transaction(&self) -> &Vec<Transaction> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `GENESIS_COINBASE` is never used
[INFO] [stderr]  --> src/blockchain.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const GENESIS_COINBASE: String = String::new();
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `create_blockchain`, `find_unspent_transaction`, and `find_UTXO` are never used
[INFO] [stderr]    --> src/blockchain.rs:38:12
[INFO] [stderr]     |
[INFO] [stderr]  22 | impl Blockchain{
[INFO] [stderr]     | --------------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  38 |     pub fn create_blockchain(address: String) -> Result<Blockchain>{
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  67 |     pub fn find_unspent_transaction(&self, address: &str) -> Vec<Transaction> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     pub fn find_UTXO(&self, address: &str) -> Vec<TXOutput>{
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_coinbase`, `set_id`, and `is_coinbase` are never used
[INFO] [stderr]   --> src/transaction.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Transaction {
[INFO] [stderr]    | ---------------- associated items in this implementation
[INFO] [stderr] 28 |     pub fn new_coinbase(to: String, mut data: String) -> Result<Transaction>{
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn set_id(&mut self) -> Result<()>{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub fn is_coinbase(&self) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_be_unlock_with` is never used
[INFO] [stderr]   --> src/transaction.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl TXInput{
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 61 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_be_unlock_with` is never used
[INFO] [stderr]   --> src/transaction.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 66 | impl TXOutput{
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 67 |     pub fn can_be_unlock_with(&self, unlocking_data: String) -> bool{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stderr]   --> src/blockchain.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |         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:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |         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:106:12
[INFO] [stderr]     |
[INFO] [stderr] 106 |     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:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         let unspent_TXs = self.find_unspent_transaction(address);
[INFO] [stderr]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `unspent_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blockchain.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |     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] 120 |     pub fn iter(&self) -> BlockchainIter<'_>{
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_blockchain` (bin "rust_blockchain" test) generated 14 warnings (run `cargo fix --bin "rust_blockchain" -p rust_blockchain --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_blockchain-aff419f8f1c1709e)
[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] [stderr] error: test failed, to rerun pass `--bin rust_blockchain`
[INFO] [stdout] 
[INFO] [stdout] thread 'blockchain::tests::test_add_block' (18) panicked at src/blockchain.rs:153:39:
[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<sled::result::Error>>::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<sled::result::Error>>::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<rust_blockchain::blockchain::Blockchain, failure::error::Error> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible, sled::result::Error>>>::from_residual
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:2189:27
[INFO] [stdout]    5: <rust_blockchain::blockchain::Blockchain>::new
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:26:18
[INFO] [stdout]    6: rust_blockchain::blockchain::tests::test_add_block
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:153:21
[INFO] [stdout]    7: rust_blockchain::blockchain::tests::test_add_block::{closure#0}
[INFO] [stdout]              at /opt/rustwide/workdir/src/blockchain.rs:152:24
[INFO] [stdout]    8: <rust_blockchain::blockchain::tests::test_add_block::{closure#0} as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    9: <fn() -> core::result::Result<(), alloc::string::String> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       test::__rust_begin_short_backtrace::<core::result::Result<(), alloc::string::String>, fn() -> core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   10: test::run_test_in_process::{closure#0}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]       std::panicking::catch_unwind::<core::result::Result<(), alloc::string::String>, core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]       std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<test::run_test_in_process::{closure#0}>, core::result::Result<(), alloc::string::String>>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]       test::run_test::{closure#0}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   11: test::run_test::{closure#1}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace::<test::run_test::{closure#1}, ()>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   12: std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]       std::panicking::catch_unwind::do_call::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]       std::panicking::catch_unwind::<(), core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]       std::panic::catch_unwind::<core::panic::unwind_safe::AssertUnwindSafe<std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]       std::thread::lifecycle::spawn_unchecked::<test::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]       <std::thread::lifecycle::spawn_unchecked<test::run_test::{closure#1}, ()>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   13: <alloc::boxed::Box<dyn core::ops::function::FnOnce<(), Output = ()> + core::marker::Send> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]       <std::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]              at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   14: <unknown>
[INFO] [stdout]   15: clone
[INFO] [stdout] 
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5fe90140c1da - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5fe90140c1da - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5fe90140c1da - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5fe90140c1da - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5fe9014220aa - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5fe9014220aa - core[e929cb53b82a81ca]::fmt::write
[INFO] [stdout]    6:     0x5fe901410e62 - std[29689e6404d28ef9]::io::default_write_fmt::<alloc[9d7caffeb3b5d2c6]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5fe901410e62 - <alloc[9d7caffeb3b5d2c6]::vec::Vec<u8> as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5fe9013e8a7f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5fe9013e8a7f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5fe901403609 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5fe90120fe1c - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5fe90120fe1c - test[a24b3028667022f7]::test_main_inner::<test[a24b3028667022f7]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5fe9014037c2 - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn for<'a, 'b> core[e929cb53b82a81ca]::ops::function::Fn<(&'a std[29689e6404d28ef9]::panic::PanicHookInfo<'b>,), Output = ()> + core[e929cb53b82a81ca]::marker::Send + core[e929cb53b82a81ca]::marker::Sync> as core[e929cb53b82a81ca]::ops::function::Fn<(&std[29689e6404d28ef9]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5fe9014037c2 - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5fe9013e8b38 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5fe9013ddb79 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5fe9013e990d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5fe90142286c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5fe9014225b2 - core[e929cb53b82a81ca]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5fe90112f49c - <core[e929cb53b82a81ca]::result::Result<rust_blockchain[c3a72a2a70a55eac]::blockchain::Blockchain, failure[ac27d92056574f4]::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5fe90112f49c - rust_blockchain[c3a72a2a70a55eac]::blockchain::tests::test_add_block
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:153:39
[INFO] [stdout]   22:     0x5fe90112d917 - rust_blockchain[c3a72a2a70a55eac]::blockchain::tests::test_add_block::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:152:24
[INFO] [stdout]   23:     0x5fe901132e56 - <rust_blockchain[c3a72a2a70a55eac]::blockchain::tests::test_add_block::{closure#0} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5fe9012030fb - <fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5fe9012030fb - test[a24b3028667022f7]::__rust_begin_short_backtrace::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, fn() -> core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5fe9012108eb - test[a24b3028667022f7]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5fe9012108eb - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5fe9012108eb - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5fe9012108eb - std[29689e6404d28ef9]::panicking::catch_unwind::<core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>, core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5fe9012108eb - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<test[a24b3028667022f7]::run_test_in_process::{closure#0}>, core[e929cb53b82a81ca]::result::Result<(), alloc[9d7caffeb3b5d2c6]::string::String>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5fe9012108eb - test[a24b3028667022f7]::run_test_in_process
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5fe9012108eb - test[a24b3028667022f7]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5fe90120a004 - test[a24b3028667022f7]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5fe90120a004 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<test[a24b3028667022f7]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5fe9012134f2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5fe9012134f2 - <core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5fe9012134f2 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5fe9012134f2 - std[29689e6404d28ef9]::panicking::catch_unwind::<(), core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5fe9012134f2 - std[29689e6404d28ef9]::panic::catch_unwind::<core[e929cb53b82a81ca]::panic::unwind_safe::AssertUnwindSafe<std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5fe9012134f2 - std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked::<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5fe9012134f2 - <std[29689e6404d28ef9]::thread::lifecycle::spawn_unchecked<test[a24b3028667022f7]::run_test::{closure#1}, ()>::{closure#1} as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5fe90140ba6f - <alloc[9d7caffeb3b5d2c6]::boxed::Box<dyn core[e929cb53b82a81ca]::ops::function::FnOnce<(), Output = ()> + core[e929cb53b82a81ca]::marker::Send> as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x5fe90140ba6f - <std[29689e6404d28ef9]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7944ac0e9aa4 - <unknown>
[INFO] [stdout]   45:     0x7944ac176a64 - 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 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "517ccccfb6beb9ecaaaec9af6d3b5ecbaad3433c2f75820163883837b1d3e6cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517ccccfb6beb9ecaaaec9af6d3b5ecbaad3433c2f75820163883837b1d3e6cc", kill_on_drop: false }`
[INFO] [stdout] 517ccccfb6beb9ecaaaec9af6d3b5ecbaad3433c2f75820163883837b1d3e6cc
