[INFO] cloning repository https://github.com/milkshakeWaves/rust-chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milkshakeWaves/rust-chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f12ccbc5a19780c57d294119444996ba4ae4a3a
[INFO] testing milkshakeWaves/rust-chain against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmilkshakeWaves%2Frust-chain" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/milkshakeWaves/rust-chain
[INFO] finished tweaking git repo https://github.com/milkshakeWaves/rust-chain
[INFO] tweaked toml for git repo https://github.com/milkshakeWaves/rust-chain written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/milkshakeWaves/rust-chain on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/milkshakeWaves/rust-chain 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin_hashes v0.13.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.88
[INFO] [stderr]   Downloaded bitcoin-internals v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.88
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.88
[INFO] [stderr]   Downloaded iana-time-zone v0.1.58
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.88
[INFO] [stderr]   Downloaded secp256k1 v0.28.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.88
[INFO] [stderr]   Downloaded js-sys v0.3.65
[INFO] [stderr]   Downloaded secp256k1-sys v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a292b819da753bd8580fc74338303aae202ee6d0f3abc50ec4d69db705da340f
[INFO] running `Command { std: "docker" "start" "-a" "a292b819da753bd8580fc74338303aae202ee6d0f3abc50ec4d69db705da340f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a292b819da753bd8580fc74338303aae202ee6d0f3abc50ec4d69db705da340f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a292b819da753bd8580fc74338303aae202ee6d0f3abc50ec4d69db705da340f", kill_on_drop: false }`
[INFO] [stdout] a292b819da753bd8580fc74338303aae202ee6d0f3abc50ec4d69db705da340f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28169a5da35c6d6a3fdc8e5951c3f9aa39e9ba2135f52121a69e5e1e3261d03
[INFO] running `Command { std: "docker" "start" "-a" "e28169a5da35c6d6a3fdc8e5951c3f9aa39e9ba2135f52121a69e5e1e3261d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling hex-conservative v0.1.1
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bitcoin_hashes v0.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling secp256k1-sys v0.9.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling secp256k1 v0.28.0
[INFO] [stderr]    Compiling rust-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemPool` is never constructed
[INFO] [stdout]  --> src/core/memory_pool.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MemPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/core/memory_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl MemPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(max_cap: usize) -> MemPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_tx(&mut self, tx: Transaction) -> Result<(), TransactionValidationError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn take_txs_w_limit(&mut self, limit: usize) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_tx(&self, nonce: &str) -> Option<&Transaction> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn evict_tx(&mut self) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn remove_tx(&mut self, nonce: &str) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wallet` is never constructed
[INFO] [stdout]  --> src/core/wallet.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Wallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_key_pair`, and `get_public_keys` are never used
[INFO] [stdout]   --> src/core/wallet.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Wallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Wallet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn add_key_pair(&mut self, key_pair: WalletKeyPair) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_public_keys(&self) -> Vec<&PublicKey> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "e28169a5da35c6d6a3fdc8e5951c3f9aa39e9ba2135f52121a69e5e1e3261d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28169a5da35c6d6a3fdc8e5951c3f9aa39e9ba2135f52121a69e5e1e3261d03", kill_on_drop: false }`
[INFO] [stdout] e28169a5da35c6d6a3fdc8e5951c3f9aa39e9ba2135f52121a69e5e1e3261d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 202f51c333d799c01906cefffe8617781a14247af922c1cb799436755d910a9d
[INFO] running `Command { std: "docker" "start" "-a" "202f51c333d799c01906cefffe8617781a14247af922c1cb799436755d910a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemPool` is never constructed
[INFO] [stdout]  --> src/core/memory_pool.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MemPool {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/core/memory_pool.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl MemPool {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(max_cap: usize) -> MemPool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn add_tx(&mut self, tx: Transaction) -> Result<(), TransactionValidationError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn take_txs_w_limit(&mut self, limit: usize) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_tx(&self, nonce: &str) -> Option<&Transaction> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn evict_tx(&mut self) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn remove_tx(&mut self, nonce: &str) -> Option<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wallet` is never constructed
[INFO] [stdout]  --> src/core/wallet.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Wallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add_key_pair`, and `get_public_keys` are never used
[INFO] [stdout]   --> src/core/wallet.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Wallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  9 |     pub fn new() -> Wallet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn add_key_pair(&mut self, key_pair: WalletKeyPair) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn get_public_keys(&self) -> Vec<&PublicKey> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]   --> src/core/memory_pool.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use std::ptr::null;
[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 variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/core/errors.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "202f51c333d799c01906cefffe8617781a14247af922c1cb799436755d910a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202f51c333d799c01906cefffe8617781a14247af922c1cb799436755d910a9d", kill_on_drop: false }`
[INFO] [stdout] 202f51c333d799c01906cefffe8617781a14247af922c1cb799436755d910a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37bce449d9fbf74cee863b3861b59674f3e3c29804a5e3201cb1c76fc521aec0
[INFO] running `Command { std: "docker" "start" "-a" "37bce449d9fbf74cee863b3861b59674f3e3c29804a5e3201cb1c76fc521aec0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/core/errors.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn from(err: FromHexError) -> AppendToHistoryError {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/core/errors.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn from(err: FromHexError) -> TransactionValidationError {
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MemPool` is never constructed
[INFO] [stderr]  --> src/core/memory_pool.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct MemPool {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/core/memory_pool.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl MemPool {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 12 |     pub fn new(max_cap: usize) -> MemPool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn add_tx(&mut self, tx: Transaction) -> Result<(), TransactionValidationError> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn take_txs_w_limit(&mut self, limit: usize) -> Vec<Transaction> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn get_tx(&self, nonce: &str) -> Option<&Transaction> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     pub fn evict_tx(&mut self) -> Option<Transaction> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 69 |     pub fn remove_tx(&mut self, nonce: &str) -> Option<Transaction> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Wallet` is never constructed
[INFO] [stderr]  --> src/core/wallet.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Wallet {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `add_key_pair`, and `get_public_keys` are never used
[INFO] [stderr]   --> src/core/wallet.rs:9:12
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Wallet {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr]  9 |     pub fn new() -> Wallet {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub fn add_key_pair(&mut self, key_pair: WalletKeyPair) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub fn get_public_keys(&self) -> Vec<&PublicKey> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-chain` (lib) generated 6 warnings (run `cargo fix --lib -p rust-chain` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]   --> src/core/memory_pool.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use std::ptr::null;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-chain` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p rust-chain --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_chain-3c48413389c5d6d1)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test core::hashing::hashing_test::create_32_len_hash ... ok
[INFO] [stdout] test core::memory_pool::memory_pool_test::add_tx_to_mempool_with_space_adds_the_tx ... ok
[INFO] [stdout] test core::history::history_tests::history_choose_chain_returns_a_new_history_with_chain_chosen_by_naive_strategy ... ok
[INFO] [stdout] test core::memory_pool::memory_pool_test::adding_new_tx_when_max_capacity_removes_tx_with_lower_fee_in_place_of_the_new_one ... ok
[INFO] [stdout] test core::memory_pool::memory_pool_test::remove_tx_returns_the_removed_tx_if_any ... ok
[INFO] [stdout] test core::models::transaction::transaction_test::verify_bad_nonce_returns_false ... ok
[INFO] [stdout] test core::models::transaction::transaction_test::verify_correct_nonce_returns_true ... ok
[INFO] [stdout] test core::memory_pool::memory_pool_test::take_n_txs_returns_n_txs_if_enough_txs ... ok
[INFO] [stdout] test core::wallet::wallet_test::wallet_can_have_multiple_key_pairs ... ok
[INFO] [stdout] test core::memory_pool::memory_pool_test::adding_two_txs_with_same_nonce_will_replace_the_tx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_chain-fcd4de9c688d1f2f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/pow.rs (/opt/rustwide/target/debug/deps/pow-ca447683a549f2ca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test append_bad_block_to_history_throw_error ... ok
[INFO] [stderr]      Running tests/wallet.rs (/opt/rustwide/target/debug/deps/wallet-52d4b378cdb12ed6)
[INFO] [stdout] test create_chain_with_4_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.68s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test verify_empty_tx_signature_return_error ... ok
[INFO] [stdout] test verify_correct_tx_signature ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_chain
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37bce449d9fbf74cee863b3861b59674f3e3c29804a5e3201cb1c76fc521aec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bce449d9fbf74cee863b3861b59674f3e3c29804a5e3201cb1c76fc521aec0", kill_on_drop: false }`
[INFO] [stdout] 37bce449d9fbf74cee863b3861b59674f3e3c29804a5e3201cb1c76fc521aec0
