[INFO] cloning repository https://github.com/Lazizjon-web-dev/blockchain-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lazizjon-web-dev/blockchain-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazizjon-web-dev%2Fblockchain-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazizjon-web-dev%2Fblockchain-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 408225b83368e70e46b6ff97605aab727877a143
[INFO] checking Lazizjon-web-dev/blockchain-rust/408225b83368e70e46b6ff97605aab727877a143 against master#2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLazizjon-web-dev%2Fblockchain-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lazizjon-web-dev/blockchain-rust
[INFO] finished tweaking git repo https://github.com/Lazizjon-web-dev/blockchain-rust
[INFO] tweaked toml for git repo https://github.com/Lazizjon-web-dev/blockchain-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lazizjon-web-dev/blockchain-rust on toolchain 2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lazizjon-web-dev/blockchain-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" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 3d1cf6256612dcaf767dbd2062bbce9cf4ac423688c0f3e8afc4a850e53decce
[INFO] running `Command { std: "docker" "start" "-a" "3d1cf6256612dcaf767dbd2062bbce9cf4ac423688c0f3e8afc4a850e53decce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1cf6256612dcaf767dbd2062bbce9cf4ac423688c0f3e8afc4a850e53decce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1cf6256612dcaf767dbd2062bbce9cf4ac423688c0f3e8afc4a850e53decce", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+2886b36df4a646dd8d82fb65bf0c9d8d96c1f71a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7721af50ce4340260ecb7058a5181c6aae4c0731484a0e2201f8d3fce2e137e
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[INFO] [stderr]     Checking blockchain-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Versionmsg` in this scope
[INFO] [stdout]    --> src/server.rs:572:20
[INFO] [stdout]     |
[INFO] [stdout]  59 | struct VersionMsg {
[INFO] [stdout]     | ----------------- similarly named struct `VersionMsg` defined here
[INFO] [stdout] ...
[INFO] [stdout] 572 |         let vmsg = Versionmsg {
[INFO] [stdout]     |                    ^^^^^^^^^^ help: a struct with a similar name exists: `VersionMsg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_unspent_transactions` is never used
[INFO] [stdout]    --> src/blockchain.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl Blockchain {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn find_unspent_transactions(&self, address: &[u8]) -> Vec<Transaction> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_unlock_output_with` is never used
[INFO] [stdout]    --> src/transaction.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 223 | impl TXInput {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 224 |     /// CanUnlockOutputWith checks whether the address initiated the transaction
[INFO] [stdout] 225 |     pub fn can_unlock_output_with(&self, unlocking_data: &[u8]) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[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) -> BlockchainIterator {
[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) -> BlockchainIterator<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut spent_TXOs: HashMap<String, Vec<i32>> = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `spent_txos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `unspend_TXOs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut unspend_TXOs: Vec<Transaction> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `unspend_txos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn find_UTXO(&self) -> HashMap<String, TXOutputs> {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let prev_TXs = self.get_prev_tx_map(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let prev_TXs = self.get_prev_tx_map(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |         let mut prev_TXs = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TX` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:235:17
[INFO] [stdout]     |
[INFO] [stdout] 235 |             let prev_TX = self.find_transaction(&vin.txid)?;
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new_UTXO(wallet: &Wallet, to: &str, amount: i32, utxo: &UTXOSet) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |         prev_TXs: HashMap<String, Transaction>,
[INFO] [stdout]     |         ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:153:26
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn verify(&self, prev_TXs: HashMap<String, Transaction>) -> Result<bool> {
[INFO] [stdout]     |                          ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/utxoset.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn find_UTXO(&self, pub_hash_key: &[u8]) -> Result<TXOutputs> {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blockchain-rust` (bin "blockchain-rust" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d7721af50ce4340260ecb7058a5181c6aae4c0731484a0e2201f8d3fce2e137e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7721af50ce4340260ecb7058a5181c6aae4c0731484a0e2201f8d3fce2e137e", kill_on_drop: false }`
[INFO] [stdout] d7721af50ce4340260ecb7058a5181c6aae4c0731484a0e2201f8d3fce2e137e