[INFO] cloning repository https://github.com/ArabMohammed/postquantum-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArabMohammed/postquantum-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArabMohammed%2Fpostquantum-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArabMohammed%2Fpostquantum-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3206293638a9be22425043ab4f79d1a0dbe7586b
[INFO] testing ArabMohammed/postquantum-blockchain against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArabMohammed%2Fpostquantum-blockchain" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ArabMohammed/postquantum-blockchain
[INFO] finished tweaking git repo https://github.com/ArabMohammed/postquantum-blockchain
[INFO] tweaked toml for git repo https://github.com/ArabMohammed/postquantum-blockchain written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ArabMohammed/postquantum-blockchain on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ArabMohammed/postquantum-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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71cc0c9bb3388b42a2631fcdba7f8dd9ba53a11c8dfe14562b552b9898cca7c
[INFO] running `Command { std: "docker" "start" "-a" "b71cc0c9bb3388b42a2631fcdba7f8dd9ba53a11c8dfe14562b552b9898cca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71cc0c9bb3388b42a2631fcdba7f8dd9ba53a11c8dfe14562b552b9898cca7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71cc0c9bb3388b42a2631fcdba7f8dd9ba53a11c8dfe14562b552b9898cca7c", kill_on_drop: false }`
[INFO] [stdout] b71cc0c9bb3388b42a2631fcdba7f8dd9ba53a11c8dfe14562b552b9898cca7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ead9c7d2994d6864353534aff1fc8fc478fd9f48f86cf635dc4b63fee4a6ec
[INFO] running `Command { std: "docker" "start" "-a" "05ead9c7d2994d6864353534aff1fc8fc478fd9f48f86cf635dc4b63fee4a6ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling data-encoding v2.7.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling quick-protobuf v0.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling multihash v0.19.3
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling bs58 v0.5.1
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustls v0.23.21
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling moka v0.12.10
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling uuid v1.12.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling tagptr v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling pem v3.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling uint v0.10.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling merkle-cbt v0.3.2
[INFO] [stderr]    Compiling sled v0.34.7
[INFO] [stderr]    Compiling get-size v0.1.4
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling rustls-webpki v0.102.8
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling rcgen v0.11.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.14
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.35.0
[INFO] [stderr]    Compiling async-trait v0.1.85
[INFO] [stderr]    Compiling netlink-packet-utils v0.5.2
[INFO] [stderr]    Compiling data-encoding-macro v0.1.16
[INFO] [stderr]    Compiling asn1-rs-derive v0.5.1
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling netlink-packet-core v0.7.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.2.0
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling netlink-packet-route v0.17.1
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling asn1-rs v0.6.2
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bitcoincash-addr v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pin-project v1.1.8
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling der-parser v9.0.0
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling libp2p-identity v0.2.10
[INFO] [stderr]    Compiling x509-parser v0.16.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling asynchronous-codec v0.7.0
[INFO] [stderr]    Compiling futures-bounded v0.2.4
[INFO] [stderr]    Compiling quick-protobuf-codec v0.3.1
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rw-stream-sink v0.4.0
[INFO] [stderr]    Compiling multistream-select v0.13.0
[INFO] [stderr]    Compiling yamux v0.13.4
[INFO] [stderr]    Compiling yamux v0.12.1
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling futures-rustls v0.26.0
[INFO] [stderr]    Compiling netlink-sys v0.8.7
[INFO] [stderr]    Compiling netlink-proto v0.11.4
[INFO] [stderr]    Compiling rtnetlink v0.13.1
[INFO] [stderr]    Compiling cbor4ii v0.3.3
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling if-watch v3.2.1
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling multiaddr v0.18.2
[INFO] [stderr]    Compiling hickory-proto v0.25.0-alpha.4
[INFO] [stderr]    Compiling libp2p-core v0.43.0
[INFO] [stderr]    Compiling libp2p-swarm v0.46.0
[INFO] [stderr]    Compiling libp2p-tcp v0.43.0
[INFO] [stderr]    Compiling libp2p-noise v0.46.0
[INFO] [stderr]    Compiling libp2p-yamux v0.47.0
[INFO] [stderr]    Compiling libp2p-tls v0.6.0
[INFO] [stderr]    Compiling hickory-resolver v0.25.0-alpha.4
[INFO] [stderr]    Compiling libp2p-identify v0.46.0
[INFO] [stderr]    Compiling libp2p-mdns v0.47.0
[INFO] [stderr]    Compiling libp2p-allow-block-list v0.5.0
[INFO] [stderr]    Compiling libp2p-ping v0.46.0
[INFO] [stderr]    Compiling libp2p-kad v0.47.0
[INFO] [stderr]    Compiling libp2p-request-response v0.28.0
[INFO] [stderr]    Compiling libp2p-connection-limits v0.5.0
[INFO] [stderr]    Compiling libp2p-dns v0.43.0
[INFO] [stderr]    Compiling libp2p v0.55.0
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/block.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: `log::info`
[INFO] [stdout]  --> src/block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/blockchain.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/blockchain.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info,debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TXOutput` and `self`
[INFO] [stdout]  --> src/blockchain.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{block::{self, *}, transaction::Transaction, tx::{TXOutput, TXOutputs}};
[INFO] [stdout]   |                     ^^^^                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::Error`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bincode::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Wallet` and `block::Block`
[INFO] [stdout]  --> src/cli.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{block::Block, 
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     wallet::{Wallet,Wallets}
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `blockchain::Blockchain`, `self`, and `self`
[INFO] [stdout]  --> src/transaction.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{blockchain::Blockchain, tx::{self, TXInput, TXOutput}, utxoset::UTXOSet, wallet::{self, hash_pub_key, Wallets}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^       ^^^^                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/wallet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::Error`
[INFO] [stdout]  --> src/wallet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bincode::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::error`
[INFO] [stdout]  --> src/utxoset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::constants::*`
[INFO] [stdout]  --> src/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `deserialize` and `serialize`
[INFO] [stdout]   --> src/server.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bincode::{deserialize, serialize};
[INFO] [stdout]    |               ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use failure::format_err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]   --> src/server.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::Mul;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Behaviour`, `Mode`, `NetworkBehaviour`, `mdns`, and `ping`
[INFO] [stdout]   --> src/server.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     Swarm,
[INFO] [stdout] 27 |     swarm::{NetworkBehaviour,SwarmEvent},tcp
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     ,yamux,
[INFO] [stdout] 29 |     kad::{store::MemoryStore, Mode,Behaviour},
[INFO] [stdout]    |                               ^^^^ ^^^^^^^^^
[INFO] [stdout] 30 |     kad,
[INFO] [stdout] 31 |     mdns
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::EnvFilter`
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use tracing_subscriber::EnvFilter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `Env`
[INFO] [stdout]   --> src/server.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 | use env_logger::{Env, Builder};
[INFO] [stdout]    |                  ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]   --> src/server.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::env::args;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `identify`
[INFO] [stdout]  --> src/behavior.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libp2p::{identify, Multiaddr, PeerId};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResponseChannel as RequestResponseChannel`
[INFO] [stdout]   --> src/behavior.rs:15:82
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libp2p::request_response::{Event as RequestResponseEvent, OutboundRequestId, ResponseChannel as RequestResponseChannel};
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut utxo_set = UTXOSet { blockchain: bc };
[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/server.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         let mut kad_config = kad::Config::new(StreamProtocol::new("/agent/connection/1.0.0"));
[INFO] [stdout]    |                             ----^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/server.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 438 |                 _ => {}
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/server.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stdout]     |                 -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                 ------------------------------------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stdout]     |                 --------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                 ------------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 438 |                 _ => {}
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `libp2p::libp2p_request_response::Behaviour::<TCodec>::add_address`: Use `Swarm::add_peer_address` instead.
[INFO] [stdout]   --> src/behavior.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         self.rr.add_address(peer_id, addr)
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/blockchain.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Err(e) = std::fs::remove_dir_all("data/blocks"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:158:47
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:175:55
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_addr`
[INFO] [stdout]    --> src/server.rs:175:70
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stdout]     |                                                            ^^^^^^^^^^ help: try ignoring the field: `local_addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_back_addr`
[INFO] [stdout]    --> src/server.rs:175:82
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...or { connection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^ help: try ignoring the field: `send_back_addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:175:98
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...nnection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stdout]     |                                             ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:176:55
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]    --> src/server.rs:176:70
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                                      ^^^^^^^ help: try ignoring the field: `peer_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:176:79
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                                               ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:393:43
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:416:55
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/server.rs:418:59
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: try ignoring the field: `request_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]    --> src/server.rs:418:80
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stdout]     |                                                                                ^^^^^^^ help: try ignoring the field: `channel: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:427:62
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:431:60
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:435:63
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mine_now`
[INFO] [stdout]    --> src/cli.rs:219:54
[INFO] [stdout]     |
[INFO] [stdout] 219 | async fn cmd_send(from: &str, to: &str, amount: i32, mine_now: bool) -> Result<(),Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mine_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utxoset.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_transactions_size`
[INFO] [stdout]    --> src/server.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let total_transactions_size: usize = mempool.values().map(|v| v.get_heap_size()).sum();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_transactions_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TARGET_HEXT` is never used
[INFO] [stdout]  --> src/blockchain.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const TARGET_HEXT: usize = 4; 
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_unspent_transactions` is never used
[INFO] [stdout]    --> src/blockchain.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl Blockchain {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn find_unspent_transactions(&self, address : &[u8])  -> Vec<Transaction>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_id` is never used
[INFO] [stdout]    --> src/transaction.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl Transaction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn set_id(&mut self)-> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_unlock_output_with` is never used
[INFO] [stdout]   --> src/tx.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl TXInput {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 34 |     // CanUlockOutputWith checks whether the address initiated the transaction
[INFO] [stdout] 35 |     pub fn can_unlock_output_with(&self,unlocking_data : &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/utxoset.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl UTXOSet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn update(&self, block : &Block) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CMD_LEN` is never used
[INFO] [stdout]   --> src/server.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const CMD_LEN: usize = 12;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_blocks` is never used
[INFO] [stdout]    --> src/server.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout]  70 | impl Server {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn request_blocks(&mut self) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_server_mode` is never used
[INFO] [stdout]   --> src/behavior.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Behavior {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn set_server_mode(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BLOCK_SIZE` is never used
[INFO] [stdout]  --> src/constants.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const MAX_BLOCK_SIZE : usize = 2^20; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TARGET_HEXT` is never used
[INFO] [stdout]  --> src/constants.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const TARGET_HEXT: usize = 4; 
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINBASE_MATURITY_THRESHOLD` is never used
[INFO] [stdout]  --> src/constants.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const COINBASE_MATURITY_THRESHOLD: usize = 100 ;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         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 `unspend_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut unspend_TXs : Vec<Transaction> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspend_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |     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:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn get_prev_TXs(&self,tx : &Transaction) -> Result<HashMap<String,Transaction>,Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let mut prev_TXs = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |     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] 311 |     pub fn iter(&self) -> BlockchainIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new_UTXO(from : &str, to : &str, amount : i32 , bc: &UTXOSet) -> Result<Transaction,Box<dyn std::error::Error>>{
[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:119:49
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn sign(&mut self, private_key : &[u8], 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:177:26
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn verify(&self, prev_TXs : HashMap<String,Transaction>)-> Result<bool,Box<dyn std::error::Error>>{
[INFO] [stdout]     |                          ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/utxoset.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn find_UTXO(&self,pub_key_hash : &[u8]) -> Result<TXOutputs,Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "05ead9c7d2994d6864353534aff1fc8fc478fd9f48f86cf635dc4b63fee4a6ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ead9c7d2994d6864353534aff1fc8fc478fd9f48f86cf635dc4b63fee4a6ec", kill_on_drop: false }`
[INFO] [stdout] 05ead9c7d2994d6864353534aff1fc8fc478fd9f48f86cf635dc4b63fee4a6ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecb22029efb59f221f1ead5fabfb36cf590cc6b800ef8a87fb62a7ddf52ffb43
[INFO] running `Command { std: "docker" "start" "-a" "ecb22029efb59f221f1ead5fabfb36cf590cc6b800ef8a87fb62a7ddf52ffb43", kill_on_drop: false }`
[INFO] [stderr]    Compiling blockchain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/block.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: `log::info`
[INFO] [stdout]  --> src/block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/blockchain.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, hash::Hash};
[INFO] [stdout]   |                                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/blockchain.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info,debug};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TXOutput` and `self`
[INFO] [stdout]  --> src/blockchain.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{block::{self, *}, transaction::Transaction, tx::{TXOutput, TXOutputs}};
[INFO] [stdout]   |                     ^^^^                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::Error`
[INFO] [stdout]  --> src/cli.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bincode::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Wallet` and `block::Block`
[INFO] [stdout]  --> src/cli.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{block::Block, 
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     wallet::{Wallet,Wallets}
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sled::transaction`
[INFO] [stdout]  --> src/transaction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sled::transaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `blockchain::Blockchain`, `self`, and `self`
[INFO] [stdout]  --> src/transaction.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{blockchain::Blockchain, tx::{self, TXInput, TXOutput}, utxoset::UTXOSet, wallet::{self, hash_pub_key, Wallets}};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^       ^^^^                                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/wallet.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bincode::Error`
[INFO] [stdout]  --> src/wallet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bincode::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::error`
[INFO] [stdout]  --> src/utxoset.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/server.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::constants::*`
[INFO] [stdout]  --> src/server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::constants::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `deserialize` and `serialize`
[INFO] [stdout]   --> src/server.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | use bincode::{deserialize, serialize};
[INFO] [stdout]    |               ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::format_err`
[INFO] [stdout]   --> src/server.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use failure::format_err;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/server.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Mul`
[INFO] [stdout]   --> src/server.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::Mul;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Behaviour`, `Mode`, `NetworkBehaviour`, `mdns`, and `ping`
[INFO] [stdout]   --> src/server.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     ping,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 26 |     Swarm,
[INFO] [stdout] 27 |     swarm::{NetworkBehaviour,SwarmEvent},tcp
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     ,yamux,
[INFO] [stdout] 29 |     kad::{store::MemoryStore, Mode,Behaviour},
[INFO] [stdout]    |                               ^^^^ ^^^^^^^^^
[INFO] [stdout] 30 |     kad,
[INFO] [stdout] 31 |     mdns
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing_subscriber::EnvFilter`
[INFO] [stdout]   --> src/server.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | use tracing_subscriber::EnvFilter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Builder` and `Env`
[INFO] [stdout]   --> src/server.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 | use env_logger::{Env, Builder};
[INFO] [stdout]    |                  ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::args`
[INFO] [stdout]   --> src/server.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::env::args;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `identify`
[INFO] [stdout]  --> src/behavior.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use libp2p::{identify, Multiaddr, PeerId};
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResponseChannel as RequestResponseChannel`
[INFO] [stdout]   --> src/behavior.rs:15:82
[INFO] [stdout]    |
[INFO] [stdout] 15 | use libp2p::request_response::{Event as RequestResponseEvent, OutboundRequestId, ResponseChannel as RequestResponseChannel};
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cli.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |     let mut utxo_set = UTXOSet { blockchain: bc };
[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/server.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         let mut kad_config = kad::Config::new(StreamProtocol::new("/agent/connection/1.0.0"));
[INFO] [stdout]    |                             ----^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/server.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 438 |                 _ => {}
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/server.rs:438:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stdout]     |                 -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                 ------------------------------------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stdout]     |                 --------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                 ------------------------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 438 |                 _ => {}
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `libp2p::libp2p_request_response::Behaviour::<TCodec>::add_address`: Use `Swarm::add_peer_address` instead.
[INFO] [stdout]   --> src/behavior.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         self.rr.add_address(peer_id, addr)
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/blockchain.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if let Err(e) = std::fs::remove_dir_all("data/blocks"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[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/blockchain.rs:345:13
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let mut b = Blockchain::new().unwrap();
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:158:47
[INFO] [stdout]     |
[INFO] [stdout] 158 |                     IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:175:55
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_addr`
[INFO] [stdout]    --> src/server.rs:175:70
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stdout]     |                                                            ^^^^^^^^^^ help: try ignoring the field: `local_addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_back_addr`
[INFO] [stdout]    --> src/server.rs:175:82
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...or { connection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^ help: try ignoring the field: `send_back_addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:175:98
[INFO] [stdout]     |
[INFO] [stdout] 175 | ...nnection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stdout]     |                                             ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:176:55
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer_id`
[INFO] [stdout]    --> src/server.rs:176:70
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                                      ^^^^^^^ help: try ignoring the field: `peer_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/server.rs:176:79
[INFO] [stdout]     |
[INFO] [stdout] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stdout]     |                                                                               ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:393:43
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:416:55
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/server.rs:418:59
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stdout]     |                                                           ^^^^^^^^^^ help: try ignoring the field: `request_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `channel`
[INFO] [stdout]    --> src/server.rs:418:80
[INFO] [stdout]     |
[INFO] [stdout] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stdout]     |                                                                                ^^^^^^^ help: try ignoring the field: `channel: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:427:62
[INFO] [stdout]     |
[INFO] [stdout] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:431:60
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection_id`
[INFO] [stdout]    --> src/server.rs:435:63
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mine_now`
[INFO] [stdout]    --> src/cli.rs:219:54
[INFO] [stdout]     |
[INFO] [stdout] 219 | async fn cmd_send(from: &str, to: &str, amount: i32, mine_now: bool) -> Result<(),Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mine_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/utxoset.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total_transactions_size`
[INFO] [stdout]    --> src/server.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         let total_transactions_size: usize = mempool.values().map(|v| v.get_heap_size()).sum();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_transactions_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TARGET_HEXT` is never used
[INFO] [stdout]  --> src/blockchain.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const TARGET_HEXT: usize = 4; 
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_unspent_transactions` is never used
[INFO] [stdout]    --> src/blockchain.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl Blockchain {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn find_unspent_transactions(&self, address : &[u8])  -> Vec<Transaction>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_id` is never used
[INFO] [stdout]    --> src/transaction.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout]  20 | impl Transaction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn set_id(&mut self)-> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_unlock_output_with` is never used
[INFO] [stdout]   --> src/tx.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl TXInput {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 34 |     // CanUlockOutputWith checks whether the address initiated the transaction
[INFO] [stdout] 35 |     pub fn can_unlock_output_with(&self,unlocking_data : &[u8]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]   --> src/utxoset.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl UTXOSet {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn update(&self, block : &Block) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CMD_LEN` is never used
[INFO] [stdout]   --> src/server.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 | const CMD_LEN: usize = 12;
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_blocks` is never used
[INFO] [stdout]    --> src/server.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout]  70 | impl Server {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn request_blocks(&mut self) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_server_mode` is never used
[INFO] [stdout]   --> src/behavior.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Behavior {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn set_server_mode(&mut self){
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_BLOCK_SIZE` is never used
[INFO] [stdout]  --> src/constants.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const MAX_BLOCK_SIZE : usize = 2^20; 
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TARGET_HEXT` is never used
[INFO] [stdout]  --> src/constants.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const TARGET_HEXT: usize = 4; 
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `COINBASE_MATURITY_THRESHOLD` is never used
[INFO] [stdout]  --> src/constants.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const COINBASE_MATURITY_THRESHOLD: usize = 100 ;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         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 `unspend_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let mut unspend_TXs : Vec<Transaction> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspend_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |     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:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:254:13
[INFO] [stdout]     |
[INFO] [stdout] 254 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn get_prev_TXs(&self,tx : &Transaction) -> Result<HashMap<String,Transaction>,Box<dyn std::error::Error>>{
[INFO] [stdout]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_TXs` should have a snake case name
[INFO] [stdout]    --> src/blockchain.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |         let mut prev_TXs = HashMap::new();
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blockchain.rs:311:17
[INFO] [stdout]     |
[INFO] [stdout] 311 |     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] 311 |     pub fn iter(&self) -> BlockchainIter<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_UTXO` should have a snake case name
[INFO] [stdout]   --> src/transaction.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new_UTXO(from : &str, to : &str, amount : i32 , bc: &UTXOSet) -> Result<Transaction,Box<dyn std::error::Error>>{
[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:119:49
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn sign(&mut self, private_key : &[u8], 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:177:26
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn verify(&self, prev_TXs : HashMap<String,Transaction>)-> Result<bool,Box<dyn std::error::Error>>{
[INFO] [stdout]     |                          ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev_Tx` should have a snake case name
[INFO] [stdout]    --> src/transaction.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stdout]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_UTXO` should have a snake case name
[INFO] [stdout]    --> src/utxoset.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn find_UTXO(&self,pub_key_hash : &[u8]) -> Result<TXOutputs,Box<dyn std::error::Error>>{
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "ecb22029efb59f221f1ead5fabfb36cf590cc6b800ef8a87fb62a7ddf52ffb43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb22029efb59f221f1ead5fabfb36cf590cc6b800ef8a87fb62a7ddf52ffb43", kill_on_drop: false }`
[INFO] [stdout] ecb22029efb59f221f1ead5fabfb36cf590cc6b800ef8a87fb62a7ddf52ffb43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cfe3d8d2cd0b8daa7f7f3584438476d94a73b76e5f462c25009137db26dffa9c
[INFO] running `Command { std: "docker" "start" "-a" "cfe3d8d2cd0b8daa7f7f3584438476d94a73b76e5f462c25009137db26dffa9c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `sled::transaction`
[INFO] [stderr]  --> src/block.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: `log::info`
[INFO] [stderr]  --> src/block.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use log::info;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hash::Hash`
[INFO] [stderr]  --> src/blockchain.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, hash::Hash};
[INFO] [stderr]   |                                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `debug`
[INFO] [stderr]  --> src/blockchain.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{info,debug};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TXOutput` and `self`
[INFO] [stderr]  --> src/blockchain.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::{block::{self, *}, transaction::Transaction, tx::{TXOutput, TXOutputs}};
[INFO] [stderr]   |                     ^^^^                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bincode::Error`
[INFO] [stderr]  --> src/cli.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use bincode::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Wallet` and `block::Block`
[INFO] [stderr]  --> src/cli.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::{block::Block, 
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 9 |     wallet::{Wallet,Wallets}
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `sled::transaction`
[INFO] [stderr]  --> src/transaction.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use sled::transaction;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `blockchain::Blockchain`, `self`, and `self`
[INFO] [stderr]  --> src/transaction.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{blockchain::Blockchain, tx::{self, TXInput, TXOutput}, utxoset::UTXOSet, wallet::{self, hash_pub_key, Wallets}};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^       ^^^^                                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/wallet.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bincode::Error`
[INFO] [stderr]  --> src/wallet.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use bincode::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::error`
[INFO] [stderr]  --> src/utxoset.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde_json::error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]  --> src/server.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::constants::*`
[INFO] [stderr]  --> src/server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::constants::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `deserialize` and `serialize`
[INFO] [stderr]   --> src/server.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 | use bincode::{deserialize, serialize};
[INFO] [stderr]    |               ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::format_err`
[INFO] [stderr]   --> src/server.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use failure::format_err;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/server.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Mul`
[INFO] [stderr]   --> src/server.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::ops::Mul;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Behaviour`, `Mode`, `NetworkBehaviour`, `mdns`, and `ping`
[INFO] [stderr]   --> src/server.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     ping,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 26 |     Swarm,
[INFO] [stderr] 27 |     swarm::{NetworkBehaviour,SwarmEvent},tcp
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 28 |     ,yamux,
[INFO] [stderr] 29 |     kad::{store::MemoryStore, Mode,Behaviour},
[INFO] [stderr]    |                               ^^^^ ^^^^^^^^^
[INFO] [stderr] 30 |     kad,
[INFO] [stderr] 31 |     mdns
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tracing_subscriber::EnvFilter`
[INFO] [stderr]   --> src/server.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | use tracing_subscriber::EnvFilter;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Builder` and `Env`
[INFO] [stderr]   --> src/server.rs:49:18
[INFO] [stderr]    |
[INFO] [stderr] 49 | use env_logger::{Env, Builder};
[INFO] [stderr]    |                  ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]   --> src/server.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | use std::env::args;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `identify`
[INFO] [stderr]  --> src/behavior.rs:2:14
[INFO] [stderr]   |
[INFO] [stderr] 2 | use libp2p::{identify, Multiaddr, PeerId};
[INFO] [stderr]   |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ResponseChannel as RequestResponseChannel`
[INFO] [stderr]   --> src/behavior.rs:15:82
[INFO] [stderr]    |
[INFO] [stderr] 15 | use libp2p::request_response::{Event as RequestResponseEvent, OutboundRequestId, ResponseChannel as RequestResponseChannel};
[INFO] [stderr]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cli.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |     let mut utxo_set = UTXOSet { blockchain: bc };
[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/server.rs:83:29
[INFO] [stderr]    |
[INFO] [stderr] 83 |                         let mut kad_config = kad::Config::new(StreamProtocol::new("/agent/connection/1.0.0"));
[INFO] [stderr]    |                             ----^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/server.rs:438:17
[INFO] [stderr]     |
[INFO] [stderr] 438 |                 _ => {}
[INFO] [stderr]     |                 ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/server.rs:438:17
[INFO] [stderr]     |
[INFO] [stderr] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stderr]     |                 -------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stderr]     |                 ------------------------------------------------------------------------------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stderr]     |                 --------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stderr]     |                 ------------------------------------------------------------------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 438 |                 _ => {}
[INFO] [stderr]     |                 ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `libp2p::libp2p_request_response::Behaviour::<TCodec>::add_address`: Use `Swarm::add_peer_address` instead.
[INFO] [stderr]   --> src/behavior.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |         self.rr.add_address(peer_id, addr)
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/blockchain.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |         if let Err(e) = std::fs::remove_dir_all("data/blocks"){
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[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/blockchain.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |         let mut b = Blockchain::new().unwrap();
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:158:47
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:175:55
[INFO] [stderr]     |
[INFO] [stderr] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_addr`
[INFO] [stderr]    --> src/server.rs:175:70
[INFO] [stderr]     |
[INFO] [stderr] 175 | ...   SwarmEvent::IncomingConnectionError { connection_id, local_addr, send_back_addr, error } => println!("incming connection erro...
[INFO] [stderr]     |                                                            ^^^^^^^^^^ help: try ignoring the field: `local_addr: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send_back_addr`
[INFO] [stderr]    --> src/server.rs:175:82
[INFO] [stderr]     |
[INFO] [stderr] 175 | ...or { connection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: try ignoring the field: `send_back_addr: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/server.rs:175:98
[INFO] [stderr]     |
[INFO] [stderr] 175 | ...nnection_id, local_addr, send_back_addr, error } => println!("incming connection error"),
[INFO] [stderr]     |                                             ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:176:55
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer_id`
[INFO] [stderr]    --> src/server.rs:176:70
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stderr]     |                                                                      ^^^^^^^ help: try ignoring the field: `peer_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/server.rs:176:79
[INFO] [stderr]     |
[INFO] [stderr] 176 |                 SwarmEvent::OutgoingConnectionError { connection_id, peer_id, error } => println!("outgoing connection error !!"),
[INFO] [stderr]     |                                                                               ^^^^^ help: try ignoring the field: `error: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:393:43
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 IdentifyEvent::Received { connection_id, peer_id, info }=> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:416:55
[INFO] [stderr]     |
[INFO] [stderr] 416 |                 RequestResponseEvent::Message { peer, connection_id, message }=> {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_id`
[INFO] [stderr]    --> src/server.rs:418:59
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stderr]     |                                                           ^^^^^^^^^^ help: try ignoring the field: `request_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `channel`
[INFO] [stderr]    --> src/server.rs:418:80
[INFO] [stderr]     |
[INFO] [stderr] 418 |                         RequestResponseMessage::Request { request_id, request, channel } => {
[INFO] [stderr]     |                                                                                ^^^^^^^ help: try ignoring the field: `channel: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:427:62
[INFO] [stderr]     |
[INFO] [stderr] 427 |                 RequestResponseEvent::InboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:431:60
[INFO] [stderr]     |
[INFO] [stderr] 431 |                 RequestResponseEvent::ResponseSent { peer, connection_id,request_id } => {
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connection_id`
[INFO] [stderr]    --> src/server.rs:435:63
[INFO] [stderr]     |
[INFO] [stderr] 435 |                 RequestResponseEvent::OutboundFailure { peer, connection_id,request_id, error } => {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: try ignoring the field: `connection_id: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mine_now`
[INFO] [stderr]    --> src/cli.rs:219:54
[INFO] [stderr]     |
[INFO] [stderr] 219 | async fn cmd_send(from: &str, to: &str, amount: i32, mine_now: bool) -> Result<(),Box<dyn std::error::Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mine_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/utxoset.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |         if let Err(e) = std::fs::remove_dir_all("data/utxos"){
[INFO] [stderr]    |                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `total_transactions_size`
[INFO] [stderr]    --> src/server.rs:507:13
[INFO] [stderr]     |
[INFO] [stderr] 507 |         let total_transactions_size: usize = mempool.values().map(|v| v.get_heap_size()).sum();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_total_transactions_size`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TARGET_HEXT` is never used
[INFO] [stderr]  --> src/blockchain.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const TARGET_HEXT: usize = 4; 
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_unspent_transactions` is never used
[INFO] [stderr]    --> src/blockchain.rs:116:8
[INFO] [stderr]     |
[INFO] [stderr]  20 | impl Blockchain {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 116 |     fn find_unspent_transactions(&self, address : &[u8])  -> Vec<Transaction>{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_id` is never used
[INFO] [stderr]    --> src/transaction.rs:107:8
[INFO] [stderr]     |
[INFO] [stderr]  20 | impl Transaction {
[INFO] [stderr]     | ---------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 107 |     fn set_id(&mut self)-> Result<(),Box<dyn std::error::Error>>{
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `can_unlock_output_with` is never used
[INFO] [stderr]   --> src/tx.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl TXInput {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 34 |     // CanUlockOutputWith checks whether the address initiated the transaction
[INFO] [stderr] 35 |     pub fn can_unlock_output_with(&self,unlocking_data : &[u8]) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `update` is never used
[INFO] [stderr]   --> src/utxoset.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl UTXOSet {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     pub fn update(&self, block : &Block) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CMD_LEN` is never used
[INFO] [stderr]   --> src/server.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 | const CMD_LEN: usize = 12;
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `request_blocks` is never used
[INFO] [stderr]    --> src/server.rs:259:8
[INFO] [stderr]     |
[INFO] [stderr]  70 | impl Server {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 259 |     fn request_blocks(&mut self) -> Result<(),Box<dyn std::error::Error>>{
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `set_server_mode` is never used
[INFO] [stderr]   --> src/behavior.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Behavior {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn set_server_mode(&mut self){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MAX_BLOCK_SIZE` is never used
[INFO] [stderr]  --> src/constants.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | const MAX_BLOCK_SIZE : usize = 2^20; 
[INFO] [stderr]   |       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TARGET_HEXT` is never used
[INFO] [stderr]  --> src/constants.rs:2:7
[INFO] [stderr]   |
[INFO] [stderr] 2 | const TARGET_HEXT: usize = 4; 
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `COINBASE_MATURITY_THRESHOLD` is never used
[INFO] [stderr]  --> src/constants.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const COINBASE_MATURITY_THRESHOLD: usize = 100 ;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `spent_TXOs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |         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 `unspend_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let mut unspend_TXs : Vec<Transaction> = Vec::new();
[INFO] [stderr]     |                 ^^^^^^^^^^^ help: convert the identifier to snake case: `unspend_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_UTXO` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:166:12
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn find_UTXO(&self) -> HashMap<String,TXOutputs>{
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:254:13
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let prev_TXs = self.get_prev_TXs(tx)?;
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:296:8
[INFO] [stderr]     |
[INFO] [stderr] 296 |     fn get_prev_TXs(&self,tx : &Transaction) -> Result<HashMap<String,Transaction>,Box<dyn std::error::Error>>{
[INFO] [stderr]     |        ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/blockchain.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |         let mut prev_TXs = HashMap::new();
[INFO] [stderr]     |                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blockchain.rs:311:17
[INFO] [stderr]     |
[INFO] [stderr] 311 |     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] 311 |     pub fn iter(&self) -> BlockchainIter<'_> {
[INFO] [stderr]     |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_UTXO` should have a snake case name
[INFO] [stderr]   --> src/transaction.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new_UTXO(from : &str, to : &str, amount : i32 , bc: &UTXOSet) -> Result<Transaction,Box<dyn std::error::Error>>{
[INFO] [stderr]    |            ^^^^^^^^ help: convert the identifier to snake case: `new_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:119:49
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn sign(&mut self, private_key : &[u8], prev_TXs : HashMap<String,Transaction>,
[INFO] [stderr]     |                                                 ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_TXs` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:177:26
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn verify(&self, prev_TXs : HashMap<String,Transaction>)-> Result<bool,Box<dyn std::error::Error>>{
[INFO] [stderr]     |                          ^^^^^^^^ help: convert the identifier to snake case: `prev_txs`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `prev_Tx` should have a snake case name
[INFO] [stderr]    --> src/transaction.rs:189:17
[INFO] [stderr]     |
[INFO] [stderr] 189 |             let prev_Tx = prev_TXs.get(&self.vin[in_id].txid).unwrap();
[INFO] [stderr]     |                 ^^^^^^^ help: convert the identifier to snake case: `prev_tx`
[INFO] [stderr] 
[INFO] [stderr] warning: method `find_UTXO` should have a snake case name
[INFO] [stderr]    --> src/utxoset.rs:112:12
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn find_UTXO(&self,pub_key_hash : &[u8]) -> Result<TXOutputs,Box<dyn std::error::Error>>{
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `find_utxo`
[INFO] [stderr] 
[INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 72 warnings (run `cargo fix --bin "blockchain" -p blockchain --tests` to apply 47 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-7b8dba3878e5dc2c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test blockchain::tests::test_blockchain ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- blockchain::tests::test_blockchain stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'blockchain::tests::test_blockchain' (25) panicked at src/blockchain.rs:345:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a18e1813142 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5a18e1813142 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5a18e1813142 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5a18e1813142 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5a18e18299da - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5a18e18299da - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x5a18e1818346 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5a18e1818346 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5a18e17ef9bf - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5a18e17ef9bf - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5a18e180a4c9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5a18e1613a8e - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5a18e1613a8e - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5a18e180a682 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5a18e180a682 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5a18e17efa78 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5a18e17e4a99 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5a18e17f098d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5a18e182a11c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5a18e1829e62 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5a18e1606ebf - <core[585f66e14d78f9ba]::result::Result<blockchain[11e9b1bf66e7af5]::blockchain::Blockchain, alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::error::Error>>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5a18e1606ebf - blockchain[11e9b1bf66e7af5]::blockchain::tests::test_blockchain
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:345:39
[INFO] [stdout]   22:     0x5a18e1605f67 - blockchain[11e9b1bf66e7af5]::blockchain::tests::test_blockchain::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/blockchain.rs:344:25
[INFO] [stdout]   23:     0x5a18e1607d96 - <blockchain[11e9b1bf66e7af5]::blockchain::tests::test_blockchain::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5a18e1607e3b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5a18e1607e3b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5a18e161469a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5a18e161469a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5a18e161469a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5a18e161469a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5a18e161469a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5a18e161469a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5a18e161469a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5a18e160eb64 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5a18e160eb64 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5a18e1617192 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5a18e1617192 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5a18e1617192 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5a18e1617192 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5a18e1617192 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5a18e1617192 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5a18e1617192 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5a18e181296f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5a18e181296f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7960e2442aa4 - <unknown>
[INFO] [stdout]   45:     0x7960e24cfa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     blockchain::tests::test_blockchain
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin blockchain`
[INFO] running `Command { std: "docker" "inspect" "cfe3d8d2cd0b8daa7f7f3584438476d94a73b76e5f462c25009137db26dffa9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfe3d8d2cd0b8daa7f7f3584438476d94a73b76e5f462c25009137db26dffa9c", kill_on_drop: false }`
[INFO] [stdout] cfe3d8d2cd0b8daa7f7f3584438476d94a73b76e5f462c25009137db26dffa9c
