[INFO] cloning repository https://github.com/yyp6370/blockchainRUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyp6370/blockchainRUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyp6370%2FblockchainRUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyp6370%2FblockchainRUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ada565c4c752f934f36866c2f330f9b7b185f351
[INFO] checking yyp6370/blockchainRUST against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyp6370%2FblockchainRUST" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yyp6370/blockchainRUST
[INFO] finished tweaking git repo https://github.com/yyp6370/blockchainRUST
[INFO] tweaked toml for git repo https://github.com/yyp6370/blockchainRUST written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yyp6370/blockchainRUST on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yyp6370/blockchainRUST 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.7.6
[INFO] [stderr]       Adding base64 v0.21.7
[INFO] [stderr]       Adding crunchy v0.2.4
[INFO] [stderr]       Adding futures-ticker v0.0.3
[INFO] [stderr]       Adding hex_fmt v0.3.0
[INFO] [stderr]       Adding libp2p-gossipsub v0.45.2
[INFO] [stderr]       Adding libp2p-kad v0.44.6
[INFO] [stderr]       Adding uint v0.9.5
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libp2p-tcp v0.40.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.44.1
[INFO] [stderr]   Downloaded libp2p-websocket v0.42.2
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.33.0
[INFO] [stderr]   Downloaded libp2p-upnp v0.1.1
[INFO] [stderr]   Downloaded soketto v0.8.1
[INFO] [stderr]   Downloaded libp2p-allow-block-list v0.2.0
[INFO] [stderr]   Downloaded libp2p v0.52.4
[INFO] [stderr]   Downloaded futures-bounded v0.1.0
[INFO] [stderr]   Downloaded libp2p-ping v0.43.1
[INFO] [stderr]   Downloaded libp2p-tls v0.2.1
[INFO] [stderr]   Downloaded libp2p-connection-limits v0.2.1
[INFO] [stderr]   Downloaded libp2p-dns v0.40.1
[INFO] [stderr]   Downloaded async-std-resolver v0.23.2
[INFO] [stderr]   Downloaded libp2p-core v0.40.1
[INFO] [stderr]   Downloaded resolv-conf v0.7.1
[INFO] [stderr]   Downloaded libp2p-noise v0.43.2
[INFO] [stderr]   Downloaded libp2p-swarm v0.43.7
[INFO] [stderr]   Downloaded prometheus-client v0.21.2
[INFO] [stderr]   Downloaded libp2p-kad v0.44.6
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.45.2
[INFO] [stderr]   Downloaded netlink-packet-route v0.17.1
[INFO] [stderr]   Downloaded rtnetlink v0.13.1
[INFO] [stderr]   Downloaded libp2p-mdns v0.44.0
[INFO] [stderr]   Downloaded libp2p-identify v0.43.1
[INFO] [stderr]   Downloaded ctr v0.7.0
[INFO] [stderr]   Downloaded libp2p-quic v0.9.3
[INFO] [stderr]   Downloaded if-watch v3.2.1
[INFO] [stderr]   Downloaded libp2p-metrics v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87a45821f80e362555f1eadb9e5d91673a46a7562e5201bf8cd0dd2106968ab8
[INFO] running `Command { std: "docker" "start" "-a" "87a45821f80e362555f1eadb9e5d91673a46a7562e5201bf8cd0dd2106968ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87a45821f80e362555f1eadb9e5d91673a46a7562e5201bf8cd0dd2106968ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87a45821f80e362555f1eadb9e5d91673a46a7562e5201bf8cd0dd2106968ab8", kill_on_drop: false }`
[INFO] [stdout] 87a45821f80e362555f1eadb9e5d91673a46a7562e5201bf8cd0dd2106968ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af946cc1595a9930b9c06358f90c700e97f7a4dd403f7f3bab96899386536e0
[INFO] running `Command { std: "docker" "start" "-a" "8af946cc1595a9930b9c06358f90c700e97f7a4dd403f7f3bab96899386536e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking value-bag v1.11.1
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[INFO] [stderr]    Compiling zerocopy v0.8.23
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[INFO] [stderr]     Checking event-listener v5.4.0
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[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling async-io v1.13.0
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[INFO] [stderr]    Compiling num-traits v0.2.19
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[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.15
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.33.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking data-encoding-macro v0.1.17
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]     Checking tokio v1.44.1
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[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking zerofrom v0.1.6
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[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
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[INFO] [stderr]     Checking netlink-packet-core v0.7.0
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[INFO] [stderr]     Checking async-io v2.4.0
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[INFO] [stderr]     Checking netlink-packet-route v0.17.1
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[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking libp2p-identity v0.2.10
[INFO] [stderr]     Checking async-std v1.13.1
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[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking asynchronous-codec v0.6.2
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[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking futures-rustls v0.24.0
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking futures-ticker v0.0.3
[INFO] [stderr]     Checking soketto v0.8.1
[INFO] [stderr]     Checking yamux v0.12.1
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[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking quick-protobuf-codec v0.2.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking netlink-sys v0.8.7
[INFO] [stderr]     Checking netlink-proto v0.11.5
[INFO] [stderr]     Checking rtnetlink v0.13.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking if-watch v3.2.1
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking multiaddr v0.18.2
[INFO] [stderr]     Checking trust-dns-proto v0.23.2
[INFO] [stderr]     Checking trust-dns-proto v0.22.0
[INFO] [stderr]     Checking libp2p-core v0.40.1
[INFO] [stderr]     Checking libp2p-swarm v0.43.7
[INFO] [stderr]     Checking libp2p-tcp v0.40.1
[INFO] [stderr]     Checking libp2p-noise v0.43.2
[INFO] [stderr]     Checking libp2p-websocket v0.42.2
[INFO] [stderr]     Checking libp2p-yamux v0.44.1
[INFO] [stderr]     Checking libp2p-kad v0.44.6
[INFO] [stderr]     Checking libp2p-gossipsub v0.45.2
[INFO] [stderr]     Checking libp2p-allow-block-list v0.2.0
[INFO] [stderr]     Checking libp2p-ping v0.43.1
[INFO] [stderr]     Checking libp2p-identify v0.43.1
[INFO] [stderr]     Checking libp2p-connection-limits v0.2.1
[INFO] [stderr]     Checking libp2p-mdns v0.44.0
[INFO] [stderr]     Checking trust-dns-resolver v0.23.2
[INFO] [stderr]     Checking async-std-resolver v0.23.2
[INFO] [stderr]     Checking libp2p-dns v0.40.1
[INFO] [stderr]     Checking libp2p v0.52.4
[INFO] [stderr]     Checking blockchain_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `libp2p::libp2p_swarm::THandlerErr`: Will be removed together with `ConnectionHandlerEvent::Close`. See <https://github.com/libp2p/rust-libp2p/issues/3591> for details.
[INFO] [stdout]    --> src/network.rs:417:60
[INFO] [stdout]     |
[INFO] [stdout] 417 |         event: SwarmEvent<MyBehaviourEvent, libp2p::swarm::THandlerErr<MyBehaviour>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libp2p::libp2p_swarm::THandlerErr`: Will be removed together with `ConnectionHandlerEvent::Close`. See <https://github.com/libp2p/rust-libp2p/issues/3591> for details.
[INFO] [stdout]    --> src/network.rs:417:60
[INFO] [stdout]     |
[INFO] [stdout] 417 |         event: SwarmEvent<MyBehaviourEvent, libp2p::swarm::THandlerErr<MyBehaviour>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/blockchain.rs:370:35
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 for &(output_idx, amount) in outputs {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/blockchain.rs:370:35
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 for &(output_idx, amount) in outputs {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sha256`
[INFO] [stdout]  --> tests/wallet_tests.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{Sha256, Digest};
[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: `hex`
[INFO] [stdout]  --> tests/wallet_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use hex;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Digest`
[INFO] [stdout]  --> tests/wallet_tests.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{Sha256, Digest};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Block`
[INFO] [stdout]  --> tests/integration_tests.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use blockchain_demo::block::{Block, Transaction, TxInput, TxOutput};
[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: `std::collections::HashMap`
[INFO] [stdout]  --> tests/integration_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network`
[INFO] [stdout]   --> tests/network_tests.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let network = Network::new().await;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `broadcast_result`
[INFO] [stdout]    --> tests/network_tests.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |     let broadcast_result = network.broadcast_block(test_block).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_broadcast_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction_result`
[INFO] [stdout]    --> tests/network_tests.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let transaction_result = network.broadcast_transaction(test_transaction).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sync_result`
[INFO] [stdout]    --> tests/network_tests.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let sync_result = network.sync_chain(&blockchain).await;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sync_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::fs;
[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: `serde_json`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/network_tests.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let (tx1, mut rx1) = mpsc::channel(100);
[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]    --> tests/network_tests.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let (tx2, mut rx2) = mpsc::channel(100);
[INFO] [stdout]     |               ----^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx1`
[INFO] [stdout]    --> tests/network_tests.rs:263:15
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let (tx1, mut rx1) = mpsc::channel(100);
[INFO] [stdout]     |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rx2`
[INFO] [stdout]    --> tests/network_tests.rs:264:15
[INFO] [stdout]     |
[INFO] [stdout] 264 |     let (tx2, mut rx2) = mpsc::channel(100);
[INFO] [stdout]     |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rx2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node1_handle`
[INFO] [stdout]    --> tests/network_tests.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     let node1_handle = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node1_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node2_handle`
[INFO] [stdout]    --> tests/network_tests.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let node2_handle = tokio::spawn(async move {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node2_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libp2p::libp2p_swarm::THandlerErr`: Will be removed together with `ConnectionHandlerEvent::Close`. See <https://github.com/libp2p/rust-libp2p/issues/3591> for details.
[INFO] [stdout]    --> src/network.rs:417:60
[INFO] [stdout]     |
[INFO] [stdout] 417 |         event: SwarmEvent<MyBehaviourEvent, libp2p::swarm::THandlerErr<MyBehaviour>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::fs;
[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: `serde_json`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libp2p::libp2p_swarm::THandlerErr`: Will be removed together with `ConnectionHandlerEvent::Close`. See <https://github.com/libp2p/rust-libp2p/issues/3591> for details.
[INFO] [stdout]    --> src/network.rs:417:60
[INFO] [stdout]     |
[INFO] [stdout] 417 |         event: SwarmEvent<MyBehaviourEvent, libp2p::swarm::THandlerErr<MyBehaviour>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/blockchain.rs:370:35
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 for &(output_idx, amount) in outputs {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[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/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut network = network::Network::new_with_channel(app_tx.clone()).await;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain_file`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let blockchain_file = "blockchain.json";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pending_tx_for_network`
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let pending_tx_for_network = pending_transactions.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pending_tx_for_network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/main.rs:655:25
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 for (i, tx) in pending_tx_for_main.lock().await.iter().enumerate() {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_from_file` is never used
[INFO] [stdout]    --> src/blockchain.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl Blockchain {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn load_from_file(filename: &str) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PeerDiscovered` is never constructed
[INFO] [stdout]   --> src/network.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum NetworkEvent {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     PeerDiscovered(PeerId, Multiaddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/network.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub async fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn set_auto_connect(&mut self, enabled: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn set_max_connections(&mut self, max: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 610 |     pub fn connected_peer_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 615 |     pub fn discovered_peer_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 640 |     pub async fn discover_peers(&mut self) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 649 |     pub fn show_network_status(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 675 |     pub async fn broadcast_block(&self, block: Block) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 681 |     pub async fn broadcast_transaction(&self, transaction: Transaction) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 687 |     pub async fn sync_chain(&self, _blockchain: &Blockchain) {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 717 |     pub async fn dial(&self, addr: libp2p::Multiaddr) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]    --> src/blockchain.rs:370:35
[INFO] [stdout]     |
[INFO] [stdout] 370 |                 for &(output_idx, amount) in outputs {
[INFO] [stdout]     |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[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/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut network = network::Network::new_with_channel(app_tx.clone()).await;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blockchain_file`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let blockchain_file = "blockchain.json";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_blockchain_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pending_tx_for_network`
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let pending_tx_for_network = pending_transactions.clone();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pending_tx_for_network`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/main.rs:655:25
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 for (i, tx) in pending_tx_for_main.lock().await.iter().enumerate() {
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_from_file` is never used
[INFO] [stdout]    --> src/blockchain.rs:179:12
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl Blockchain {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn load_from_file(filename: &str) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PeerDiscovered` is never constructed
[INFO] [stdout]   --> src/network.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum NetworkEvent {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 40 |     PeerDiscovered(PeerId, Multiaddr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetworkEvent` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/network.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Network {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub async fn new() -> Self {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn set_auto_connect(&mut self, enabled: bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn set_max_connections(&mut self, max: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 610 |     pub fn connected_peer_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 615 |     pub fn discovered_peer_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 640 |     pub async fn discover_peers(&mut self) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 649 |     pub fn show_network_status(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 675 |     pub async fn broadcast_block(&self, block: Block) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 681 |     pub async fn broadcast_transaction(&self, transaction: Transaction) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 687 |     pub async fn sync_chain(&self, _blockchain: &Blockchain) {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 717 |     pub async fn dial(&self, addr: libp2p::Multiaddr) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.15s
[INFO] running `Command { std: "docker" "inspect" "8af946cc1595a9930b9c06358f90c700e97f7a4dd403f7f3bab96899386536e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af946cc1595a9930b9c06358f90c700e97f7a4dd403f7f3bab96899386536e0", kill_on_drop: false }`
[INFO] [stdout] 8af946cc1595a9930b9c06358f90c700e97f7a4dd403f7f3bab96899386536e0
