[INFO] cloning repository https://github.com/xiuxiua8/blockchainRUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiuxiua8/blockchainRUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiua8%2FblockchainRUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiua8%2FblockchainRUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ada565c4c752f934f36866c2f330f9b7b185f351
[INFO] building xiuxiua8/blockchainRUST against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiua8%2FblockchainRUST" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xiuxiua8/blockchainRUST
[INFO] finished tweaking git repo https://github.com/xiuxiua8/blockchainRUST
[INFO] tweaked toml for git repo https://github.com/xiuxiua8/blockchainRUST written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xiuxiua8/blockchainRUST on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xiuxiua8/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" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.15
[INFO] [stderr]   Downloaded unsigned-varint v0.8.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.17
[INFO] [stderr]   Downloaded multihash v0.19.3
[INFO] [stderr]   Downloaded rw-stream-sink v0.4.0
[INFO] [stderr]   Downloaded enum-as-inner v0.6.1
[INFO] [stderr]   Downloaded libp2p-connection-limits v0.2.1
[INFO] [stderr]   Downloaded libp2p v0.52.4
[INFO] [stderr]   Downloaded netlink-proto v0.11.5
[INFO] [stderr]   Downloaded multiaddr v0.18.2
[INFO] [stderr]   Downloaded attohttpc v0.24.1
[INFO] [stderr]   Downloaded libp2p-allow-block-list v0.2.0
[INFO] [stderr]   Downloaded enum-as-inner v0.5.1
[INFO] [stderr]   Downloaded resolv-conf v0.7.1
[INFO] [stderr]   Downloaded ipconfig v0.3.2
[INFO] [stderr]   Downloaded prometheus-client v0.21.2
[INFO] [stderr]   Downloaded aes-gcm v0.9.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.22.0
[INFO] [stderr]   Downloaded rtnetlink v0.13.1
[INFO] [stderr]   Downloaded async-process v2.3.0
[INFO] [stderr]   Downloaded snow v0.9.3
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.1
[INFO] [stderr]   Downloaded libp2p-kad v0.44.6
[INFO] [stderr]   Downloaded libp2p-swarm v0.43.7
[INFO] [stderr]   Downloaded x509-parser v0.15.1
[INFO] [stderr]   Downloaded ed25519-dalek v2.1.1
[INFO] [stderr]   Downloaded libp2p-core v0.40.1
[INFO] [stderr]   Downloaded quick-protobuf v0.8.1
[INFO] [stderr]   Downloaded netlink-packet-route v0.17.1
[INFO] [stderr]   Downloaded libp2p-dns v0.40.1
[INFO] [stderr]   Downloaded dtoa v1.0.10
[INFO] [stderr]   Downloaded trust-dns-resolver v0.23.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.2
[INFO] [stderr]   Downloaded x25519-dalek v2.0.1
[INFO] [stderr]   Downloaded libp2p-noise v0.43.2
[INFO] [stderr]   Downloaded if-watch v3.2.1
[INFO] [stderr]   Downloaded multistream-select v0.13.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.44.0
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded if-addrs v0.10.2
[INFO] [stderr]   Downloaded netlink-packet-core v0.7.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.40.1
[INFO] [stderr]   Downloaded igd-next v0.14.3
[INFO] [stderr]   Downloaded proc-macro-warning v0.4.2
[INFO] [stderr]   Downloaded libp2p-swarm-derive v0.33.0
[INFO] [stderr]   Downloaded futures-ticker v0.0.3
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.45.2
[INFO] [stderr]   Downloaded futures-bounded v0.1.0
[INFO] [stderr]   Downloaded libp2p-metrics v0.13.1
[INFO] [stderr]   Downloaded universal-hash v0.4.0
[INFO] [stderr]   Downloaded libp2p-tls v0.2.1
[INFO] [stderr]   Downloaded libp2p-quic v0.9.3
[INFO] [stderr]   Downloaded netlink-sys v0.8.7
[INFO] [stderr]   Downloaded xmltree v0.10.3
[INFO] [stderr]   Downloaded libp2p-upnp v0.1.1
[INFO] [stderr]   Downloaded libp2p-websocket v0.42.2
[INFO] [stderr]   Downloaded asynchronous-codec v0.6.2
[INFO] [stderr]   Downloaded yamux v0.12.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.44.1
[INFO] [stderr]   Downloaded libp2p-identity v0.2.10
[INFO] [stderr]   Downloaded async-std-resolver v0.23.2
[INFO] [stderr]   Downloaded hostname v0.4.0
[INFO] [stderr]   Downloaded libp2p-identify v0.43.1
[INFO] [stderr]   Downloaded quick-protobuf-codec v0.2.0
[INFO] [stderr]   Downloaded prometheus-client-derive-encode v0.4.2
[INFO] [stderr]   Downloaded ctr v0.7.0
[INFO] [stderr]   Downloaded ghash v0.4.4
[INFO] [stderr]   Downloaded chacha20 v0.8.2
[INFO] [stderr]   Downloaded libp2p-ping v0.43.1
[INFO] [stderr]   Downloaded secp256k1 v0.24.3
[INFO] [stderr]   Downloaded secp256k1-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a563304127d5c23bc8b860b814bdfbe078076035b8ad56393c6dec48316932c9
[INFO] running `Command { std: "docker" "start" "-a" "a563304127d5c23bc8b860b814bdfbe078076035b8ad56393c6dec48316932c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a563304127d5c23bc8b860b814bdfbe078076035b8ad56393c6dec48316932c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a563304127d5c23bc8b860b814bdfbe078076035b8ad56393c6dec48316932c9", kill_on_drop: false }`
[INFO] [stdout] a563304127d5c23bc8b860b814bdfbe078076035b8ad56393c6dec48316932c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1567bf23cb8e71d2febff58bf0f85d106b79af6ed9e54a32daab73195a2ebc49
[INFO] running `Command { std: "docker" "start" "-a" "1567bf23cb8e71d2febff58bf0f85d106b79af6ed9e54a32daab73195a2ebc49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling data-encoding v2.8.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling async-channel v2.3.1
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[INFO] [stderr]    Compiling rustix v0.37.28
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[INFO] [stderr]    Compiling quote v1.0.40
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[INFO] [stderr]    Compiling syn v2.0.100
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[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
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[INFO] [stderr]    Compiling prometheus-client v0.21.2
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[INFO] [stderr]    Compiling sha1 v0.10.6
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[INFO] [stderr]    Compiling base64 v0.22.1
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[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling resolv-conf v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
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[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lru v0.12.5
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[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
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[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling yoke-derive v0.7.5
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[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]    Compiling tokio-macros v2.5.0
[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 tokio v1.44.1
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.33.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling data-encoding-macro v0.1.17
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
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[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling netlink-packet-utils v0.5.2
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[INFO] [stderr]    Compiling polling v3.7.4
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling netlink-packet-core v0.7.0
[INFO] [stderr]    Compiling async-io v2.4.0
[INFO] [stderr]    Compiling netlink-packet-route v0.17.1
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling x25519-dalek v2.0.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling libp2p-identity v0.2.10
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-signal v0.2.10
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling async-process v2.3.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling async-std v1.13.1
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[INFO] [stderr]    Compiling asynchronous-codec v0.6.2
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[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling quick-protobuf-codec v0.2.0
[INFO] [stderr]    Compiling multistream-select v0.13.0
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[INFO] [stderr]    Compiling soketto v0.8.1
[INFO] [stderr]    Compiling yamux v0.12.1
[INFO] [stderr]    Compiling futures-rustls v0.24.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling secp256k1 v0.24.3
[INFO] [stderr]    Compiling netlink-sys v0.8.7
[INFO] [stderr]    Compiling netlink-proto v0.11.5
[INFO] [stderr]    Compiling rtnetlink v0.13.1
[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 trust-dns-proto v0.23.2
[INFO] [stderr]    Compiling trust-dns-proto v0.22.0
[INFO] [stderr]    Compiling libp2p-core v0.40.1
[INFO] [stderr]    Compiling libp2p-swarm v0.43.7
[INFO] [stderr]    Compiling libp2p-yamux v0.44.1
[INFO] [stderr]    Compiling libp2p-tcp v0.40.1
[INFO] [stderr]    Compiling libp2p-noise v0.43.2
[INFO] [stderr]    Compiling libp2p-websocket v0.42.2
[INFO] [stderr]    Compiling libp2p-connection-limits v0.2.1
[INFO] [stderr]    Compiling libp2p-gossipsub v0.45.2
[INFO] [stderr]    Compiling libp2p-allow-block-list v0.2.0
[INFO] [stderr]    Compiling libp2p-kad v0.44.6
[INFO] [stderr]    Compiling libp2p-identify v0.43.1
[INFO] [stderr]    Compiling libp2p-ping v0.43.1
[INFO] [stderr]    Compiling libp2p-mdns v0.44.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.23.2
[INFO] [stderr]    Compiling async-std-resolver v0.23.2
[INFO] [stderr]    Compiling libp2p-dns v0.40.1
[INFO] [stderr]    Compiling libp2p v0.52.4
[INFO] [stderr]    Compiling 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: 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: `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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "1567bf23cb8e71d2febff58bf0f85d106b79af6ed9e54a32daab73195a2ebc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1567bf23cb8e71d2febff58bf0f85d106b79af6ed9e54a32daab73195a2ebc49", kill_on_drop: false }`
[INFO] [stdout] 1567bf23cb8e71d2febff58bf0f85d106b79af6ed9e54a32daab73195a2ebc49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 204fd511a67cc7471686b1ea447c8eaecc9f1b6d392b4a98bc8d614b835d593c
[INFO] running `Command { std: "docker" "start" "-a" "204fd511a67cc7471686b1ea447c8eaecc9f1b6d392b4a98bc8d614b835d593c", kill_on_drop: false }`
[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] [stderr]    Compiling blockchain_demo v0.1.0 (/opt/rustwide/workdir)
[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 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: `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 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: `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: 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: `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: 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: 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: 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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcVUZZyU/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libblockchain_demo-c64565a4f085c6c9,libripemd-d9787c147d696101,libserde_json-4ccaecb6e7872e74,libryu-0ea4bafc9bef6d8b,liblibp2p-6b36e02f102129b9,liblibp2p_yamux-41ac8aeed418a24b,libyamux-5a26a273e7e7f6ed,libnohash_hasher-7182108947a1143f,liblibp2p_websocket-90dfef00b2b66dbc,libwebpki_roots-881d9833caf02a91,libsoketto-ba9834a543ac753d,libhttparse-7a931e33299a573f,libsha1-ee8bfed22abecb76,libbase64-f8724452d127c6dc,libfutures_rustls-577bf49e770c88b0,librustls-16e659b167a80cd5,libsct-d408c0b9c343fbb0,libwebpki-debd7006e393b226,libring-92563b423811b241,libuntrusted-3420b86308bec153,liblibp2p_tcp-c554e68fd534476c,liblibp2p_ping-5109f7c963c90cd7,liblibp2p_noise-c5e71da7b405776e,libx25519_dalek-d21cd477a07e90af,libsnow-e6a2fcfbce9f073c,libring-c2ffbc3fc7e9061b,libspin-bd5c65b66a03de3f,libuntrusted-4c6cc551cc2c6e70,liblibp2p_mdns-2225f2d75e50a8d6,libif_watch-67726d812250c46b,librtnetlink-a5b433c43d797ca1,libnix-65060205a2336473,libnetlink_proto-3e81de8780033d3f,libthiserror-5f9ab35a20f867d0,libnetlink_sys-d859302ba860068c,libnetlink_packet_route-a5de60a7f4c6570b,libnetlink_packet_core-3d930300e267b2df,libnetlink_packet_utils-3803c49e6f342710,libanyhow-58aff0c775a177d9,libasync_io-8cb4df59e2f39c0f,librustix-457ab5cecd0201f1,libio_lifetimes-1f0cf73469d66e2d,libbitflags-e2b4db6c651223da,liblinux_raw_sys-9826735127360e65,libpolling-1fb6b949f56fa5eb,libasync_lock-a5141d33c48d5c20,libfutures_lite-609268a97a97ffd0,libfastrand-1a1f7fa7e5b5edde,libwaker_fn-6a297a1ea9bc1088,libtrust_dns_proto-b4de4f96e72fb8ee,libidna-b4616842e0383538,libmatches-78daa3f1b5ec35b5,libsocket2-1fc8a472baf1509f,liblazy_static-b3603208c0de2608,liblibp2p_kad-00630f7ff9b0577b,libarrayvec-41dcfe80309d7422,libuint-b6d25de81b48eaa2,libcrunchy-d465a47b816b0c86,liblibp2p_identify-f9439be08ad22f28,libfutures_bounded-dda475cdeea16e3c,liblru-f530e243edb95291,libhashbrown-97601b58628c2431,libfoldhash-a84df4cbe8daa3b8,libequivalent-7e0e8cbe6c474a67,liballocator_api2-3bc2480ae44878f3,liblibp2p_gossipsub-992ddf4b69fcb6da,libhex_fmt-1332f399422be269,libregex-07d59f3792584a21,libregex_automata-b16ca0c62e99f813,libaho_corasick-5318fee7af990b33,libregex_syntax-13fc688ae7f36982,libquick_protobuf_codec-3d63cbc6c9563e6a,libbase64-64299f9d815d057c,libprometheus_client-e0c596c9d1b195a9,libdtoa-2f7f9a4bdcb0dcc3,libitoa-6b76ec393d6a2c41,libfutures_ticker-be3e6730da735b94,liblibp2p_dns-5be8ae38498fe3dd,libasync_std_resolver-39559086d317bdff,libtrust_dns_resolver-75ddb07a5470dc8a,libresolv_conf-0d01724d5ce90102,libhostname-6aed044b34ddbc86,liblru_cache-c0d43ae809a50523,liblinked_hash_map-40ad1551522f3eec,libtrust_dns_proto-e31093d2ec0012bf,libipnet-9aae67a4e846df6d,libidna-49eabded18b306d4,libunicode_normalization-8e9f3932fb2e2dd4,libunicode_bidi-e61eae15e30d3a28,libtinyvec-01b91c7fe633ba8a,libtinyvec_macros-1c14e8980bff1229,liblibp2p_connection_limits-84703b0d08a9478a,liblibp2p_allow_block_list-c9a6418310723c57,liblibp2p_swarm-5605764b6d8a3a8a,libasync_std-c4df3c186786bfdd,libasync_global_executor-49367866b6ad8023,libblocking-01f0f3d9a0d019c1,libpiper-579b2df9d5c67163,libatomic_waker-001109810bdecbaa,libasync_executor-52036692eaf4bbab,libasync_process-5cdbf9b6d0307f58,libasync_signal-2e9ee9f9bcc75881,libasync_task-65820d26b839a505,libasync_channel-877c2761afc30e84,libasync_io-062341c03306eda9,libpolling-6a21f1e8bdcc2f5a,librustix-597e762a45520976,libbitflags-ec9e26e8384cfc98,liblinux_raw_sys-aa9c2ff6a845f8dc,libfutures_lite-df45bbcdfd658e61,libfastrand-503f12a96d791409,libasync_channel-2ac6bb91816cf7ee,libevent_listener-67cd091983fb6763,libconcurrent_queue-522b130c0dde25fc,libcrossbeam_utils-e96e5b2bd6f91d93,libasync_lock-b1caef1f524cb8bf,libevent_listener_strategy-8d4d62f4575f0ec6,libevent_listener-2a54f6b9c51700f1,libparking-49fcf10303d3525f,libkv_log_macro-02566259672f0307,libtokio-baac3db58bc6f7a1,libsignal_hook_registry-1026e8243b0f60c6,libsocket2-dc5e04f2451b4d13,libmio-7c693b770674c1a7,liblibp2p_core-787bfcf888fd0b2c,libvoid-c8c62e9ffd6f4978,libmultistream_select-ad729c1e15083c73,libfutures_timer-2b3f729e26c119bb,librw_stream_sink-f81c0c7d3e313a18,libparking_lot-2fac933ddf896ed6,libparking_lot_core-ebb52cc1283a9234,liblock_api-448b9d64adfe79e1,libscopeguard-d52bd00767847e44,libfnv-2d77ec4f6f971b24,liblog-c853099735e2e2ff,libvalue_bag-e56b1fc7f9ce58e4,libunsigned_varint-66a515d4bcadc3da,libasynchronous_codec-25d693e7e47305e3,libinstant-7ca0f2602aa54eaa,libpin_project-eaee99df2e4e8d0a,libeither-1e551205f1478063,libmultiaddr-6ea61355b42f4fe2,liburl-a485c7b67cafb0dd,libidna-a144489bba7d6e19,libidna_adapter-ea7b4544221c6ef9,libicu_normalizer-21495a246924a23b,libicu_normalizer_data-924449c90d89dbe9,libwrite16-e3dc6fad88157cf5,libutf8_iter-0d9be7b316c2b184,libutf16_iter-d3264925eca367d9,libsmallvec-c045c8168691680a,libicu_properties-83d2b66fb3c50002,libicu_properties_data-51b5eb2cadc91212,libicu_locid_transform-b05b970856caf0e6,libicu_locid_transform_data-ad15ccbe3fb30a0f,libicu_collections-29c7d1e5153723ae,libicu_provider-c3d8179e9f008cf2,libicu_locid-69c138c157942897,liblitemap-705c4d2af7d10c57,libtinystr-1cae9a65495de39a,libzerovec-79690fa703196492,libwriteable-45c783735d88c2b0,libyoke-d10ebd5907f9989d,libzerofrom-dc1f35d885ae84e6,libstable_deref_trait-e5f295e98f1b80b2,libform_urlencoded-9f47de52e008ab1d,libpercent_encoding-9bee39bbc5bd523a,libmultibase-4ebf6728397a2cb6,libbase_x-aacb55c1704f712f,libdata_encoding_macro-b174facdaa77b2b9,libstatic_assertions-d53a9977dc6e27e5,liblibp2p_identity-ec13ff06c7a7ef20,libbs58-057a6ece2aba89a6,libhkdf-01955f5b498a74c4,libhmac-3ae5e9e93b1d7e41,libtracing-eedaf2a1651f7c97,libtracing_core-16d4740aeab57df8,libonce_cell-098292c3b8c25e48,libthiserror-b7acae870c85ab27,libquick_protobuf-5b7ec1118111d1ea,libed25519_dalek-181e12e0d4d1e65c,libcurve25519_dalek-c9d5f0782ad20f11,libzeroize-e690a92154eabd1d,libed25519-76c60643093d90cd,libsignature-5e5320f1c885308d,libdata_encoding-b2c98f7e771d5c4c,libbyteorder-1efcbe4f07366651,libarrayref-e2c56de32f019e08,libmultihash-88fc957f9a5cde33,libunsigned_varint-294164ca3421b08e,libfutures-79da5cce4bd57e69,libfutures_executor-5ff1d244d57359b1,libnum_cpus-f9b7cf6be28bd1fb,libfutures_util-6fb79469271d81fe,libmemchr-3ffe5f7a52883367,libfutures_io-27f9afa652f9fbc0,libslab-409083241c76168d,libfutures_channel-f3c6a7ed079cc06a,libpin_project_lite-bedc6e0acd72ff2a,libfutures_sink-be8442ee548d90f9,libfutures_task-11771fc23744b112,libpin_utils-9a5791cba021167a,libfutures_core-80383a8f754c92a8,libbytes-bfe11088fe358bd1,libsecp256k1-123268d5cc4822f5,librand-fb3f78e16273d551,librand_chacha-e75e14588c7785b3,libppv_lite86-06fbad8b768ea05c,libzerocopy-38091c63436eb4aa,librand_core-6f667ea0ae4bb93e,libgetrandom-031060e884436e47,liblibc-c6a39b03331c7023,libsecp256k1_sys-4fa39eaf849f2a79,libhex-28742b4ca144387c,libsha2-250fe85f40160dd8,libcpufeatures-471354fefbcaf2d8,libcfg_if-33ef6c02a07f9fec,libdigest-ac71f6ccc3655c1a,libsubtle-6ff5d44cdfa0bfdf,libblock_buffer-9b17ba49550eac6e,libcrypto_common-67092a521ddc8f85,libgeneric_array-0766847dfcb97189,libtypenum-755f4fb03d2ae566,libserde-35747db2eec59b7b,libchrono-69c2ad5ee1309464,libnum_traits-103532d9f6223e1e,libiana_time_zone-33839373f004bfb1}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcVUZZyU/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/ring-8b33fe89a1d8df4e/out" "-L" "/opt/rustwide/target/debug/build/ring-c1d58cb0fc726597/out" "-L" "/opt/rustwide/target/debug/build/secp256k1-sys-753ef69f8335108f/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/blockchain_tests-223c1039071181b9" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blockchain_demo` (test "blockchain_tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "204fd511a67cc7471686b1ea447c8eaecc9f1b6d392b4a98bc8d614b835d593c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204fd511a67cc7471686b1ea447c8eaecc9f1b6d392b4a98bc8d614b835d593c", kill_on_drop: false }`
[INFO] [stdout] 204fd511a67cc7471686b1ea447c8eaecc9f1b6d392b4a98bc8d614b835d593c
