[INFO] cloning repository https://github.com/gregoriB/blockchain-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregoriB/blockchain-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregoriB%2Fblockchain-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregoriB%2Fblockchain-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43c8845bd3885ef6f23f37f1c2ed2f797becc193
[INFO] building gregoriB/blockchain-Rust against try#615edd3ad1cf6871c977dc900317cb6c2070fd6b for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FgregoriB%2Fblockchain-Rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregoriB/blockchain-Rust on toolchain 615edd3ad1cf6871c977dc900317cb6c2070fd6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregoriB/blockchain-Rust
[INFO] finished tweaking git repo https://github.com/gregoriB/blockchain-Rust
[INFO] tweaked toml for git repo https://github.com/gregoriB/blockchain-Rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gregoriB/blockchain-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfa97d13751556770b79ae61989198a9d91436a07f93ca493f0314d2e18d4b5b
[INFO] running `Command { std: "docker" "start" "-a" "bfa97d13751556770b79ae61989198a9d91436a07f93ca493f0314d2e18d4b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfa97d13751556770b79ae61989198a9d91436a07f93ca493f0314d2e18d4b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa97d13751556770b79ae61989198a9d91436a07f93ca493f0314d2e18d4b5b", kill_on_drop: false }`
[INFO] [stdout] bfa97d13751556770b79ae61989198a9d91436a07f93ca493f0314d2e18d4b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea47aa9730e122be5da7acacdfdd482ef788cb1fa090be6003a36b172c07fadf
[INFO] running `Command { std: "docker" "start" "-a" "ea47aa9730e122be5da7acacdfdd482ef788cb1fa090be6003a36b172c07fadf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling crypto-hash v0.3.4
[INFO] [stderr]    Compiling block_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `pending_transactions`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pending_transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chain`
[INFO] [stdout]   --> src/blockchain.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_chain(&self) -> Vec<Block> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_pending_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_block`
[INFO] [stdout]   --> src/blockchain.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_last_block(&self) -> Block {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_block`
[INFO] [stdout]   --> src/blockchain.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn create_block(&self) -> Block {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_block`
[INFO] [stdout]   --> src/blockchain.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn add_block(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_chain`
[INFO] [stdout]   --> src/blockchain.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn update_chain(&mut self, last_block: Block, new_block: Block) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pay_miner`
[INFO] [stdout]   --> src/blockchain.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn pay_miner(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_payout_transaction`
[INFO] [stdout]   --> src/blockchain.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn create_payout_transaction(&self, payout_address: &'static str) -> Transaction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn reset_pending_transactions(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_pending_transaction`
[INFO] [stdout]    --> src/blockchain.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn add_pending_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transactions`
[INFO] [stdout]  --> src/block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/block.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_transactions`
[INFO] [stdout]   --> src/block.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_prev_hash`
[INFO] [stdout]   --> src/block.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_prev_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_hash`
[INFO] [stdout]   --> src/block.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_next_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_prev_hash`
[INFO] [stdout]   --> src/block.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_prev_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_next_hash`
[INFO] [stdout]   --> src/block.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_next_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mine`
[INFO] [stdout]   --> src/block.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn mine(&mut self, difficulty: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/transaction.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sender`
[INFO] [stdout]   --> src/transaction.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_sender(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_receiver`
[INFO] [stdout]   --> src/transaction.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_receiver(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_amount`
[INFO] [stdout]   --> src/transaction.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_amount(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.31s
[INFO] running `Command { std: "docker" "inspect" "ea47aa9730e122be5da7acacdfdd482ef788cb1fa090be6003a36b172c07fadf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea47aa9730e122be5da7acacdfdd482ef788cb1fa090be6003a36b172c07fadf", kill_on_drop: false }`
[INFO] [stdout] ea47aa9730e122be5da7acacdfdd482ef788cb1fa090be6003a36b172c07fadf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+615edd3ad1cf6871c977dc900317cb6c2070fd6b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6752257a8411f1e66081f8ecfcf0a7541205f6e0cc0f5b4a6baa5cf2643c1c
[INFO] running `Command { std: "docker" "start" "-a" "ae6752257a8411f1e66081f8ecfcf0a7541205f6e0cc0f5b4a6baa5cf2643c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stdout] warning: field is never read: `pending_transactions`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pending_transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chain`
[INFO] [stdout]   --> src/blockchain.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_chain(&self) -> Vec<Block> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_pending_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_block`
[INFO] [stdout]   --> src/blockchain.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_last_block(&self) -> Block {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_block`
[INFO] [stdout]   --> src/blockchain.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn create_block(&self) -> Block {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_block`
[INFO] [stdout]   --> src/blockchain.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn add_block(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_chain`
[INFO] [stdout]   --> src/blockchain.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn update_chain(&mut self, last_block: Block, new_block: Block) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pay_miner`
[INFO] [stdout]   --> src/blockchain.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn pay_miner(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_payout_transaction`
[INFO] [stdout]   --> src/blockchain.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn create_payout_transaction(&self, payout_address: &'static str) -> Transaction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn reset_pending_transactions(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_pending_transaction`
[INFO] [stdout]    --> src/blockchain.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn add_pending_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transactions`
[INFO] [stdout]  --> src/block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/block.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_transactions`
[INFO] [stdout]   --> src/block.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_prev_hash`
[INFO] [stdout]   --> src/block.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_prev_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_hash`
[INFO] [stdout]   --> src/block.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_next_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_prev_hash`
[INFO] [stdout]   --> src/block.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_prev_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_next_hash`
[INFO] [stdout]   --> src/block.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_next_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mine`
[INFO] [stdout]   --> src/block.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn mine(&mut self, difficulty: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/transaction.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sender`
[INFO] [stdout]   --> src/transaction.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_sender(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_receiver`
[INFO] [stdout]   --> src/transaction.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_receiver(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_amount`
[INFO] [stdout]   --> src/transaction.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_amount(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling stfu8 v0.2.4
[INFO] [stderr]    Compiling voca_rs v1.13.1
[INFO] [stderr]    Compiling demonstrate v0.4.5
[INFO] [stderr]    Compiling block_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `payout_address`
[INFO] [stdout]  --> tests/blockchain.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 |             let payout_address = "test_payout";
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payout_address`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]   --> tests/blockchain.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let transaction = Transaction::new(sender, receiver, amount);
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_transaction`
[INFO] [stdout]   --> tests/block.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |             let first_transaction = transactions.first().unwrap().clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_transaction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/blockchain.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let mut blockchain = BlockChain::new(name, difficulty, payout, supply);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/block.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |             let mut block = Block::new(transactions);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pending_transactions`
[INFO] [stdout]  --> src/blockchain.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pending_transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_chain`
[INFO] [stdout]   --> src/blockchain.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_chain(&self) -> Vec<Block> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_pending_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_last_block`
[INFO] [stdout]   --> src/blockchain.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_last_block(&self) -> Block {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_block`
[INFO] [stdout]   --> src/blockchain.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn create_block(&self) -> Block {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_block`
[INFO] [stdout]   --> src/blockchain.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn add_block(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_chain`
[INFO] [stdout]   --> src/blockchain.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn update_chain(&mut self, last_block: Block, new_block: Block) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pay_miner`
[INFO] [stdout]   --> src/blockchain.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn pay_miner(&mut self, payout_address: &'static str) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_payout_transaction`
[INFO] [stdout]   --> src/blockchain.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn create_payout_transaction(&self, payout_address: &'static str) -> Transaction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset_pending_transactions`
[INFO] [stdout]   --> src/blockchain.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn reset_pending_transactions(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_pending_transaction`
[INFO] [stdout]    --> src/blockchain.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn add_pending_transaction(&mut self, transaction: Transaction) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transactions`
[INFO] [stdout]  --> src/block.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     transactions: Vec<Transaction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/block.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_transactions`
[INFO] [stdout]   --> src/block.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_transactions(&self) -> Vec<Transaction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/block.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_prev_hash`
[INFO] [stdout]   --> src/block.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_prev_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_hash`
[INFO] [stdout]   --> src/block.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn get_next_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_prev_hash`
[INFO] [stdout]   --> src/block.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn set_prev_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_next_hash`
[INFO] [stdout]   --> src/block.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn set_next_hash(&mut self, hash: &str) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mine`
[INFO] [stdout]   --> src/block.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn mine(&mut self, difficulty: usize) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/transaction.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn get_hash(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_sender`
[INFO] [stdout]   --> src/transaction.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_sender(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_receiver`
[INFO] [stdout]   --> src/transaction.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn get_receiver(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_amount`
[INFO] [stdout]   --> src/transaction.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn get_amount(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/block_chain-db466a2680e57505)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/block_chain-a83ba3c6dd193e0c)
[INFO] [stderr]   Executable tests/block.rs (/opt/rustwide/target/debug/deps/block-297fa43e23238a23)
[INFO] [stderr]   Executable tests/blockchain.rs (/opt/rustwide/target/debug/deps/blockchain-bd2d665889bc1382)
[INFO] [stderr]   Executable tests/transaction.rs (/opt/rustwide/target/debug/deps/transaction-02694587ea4e4af3)
[INFO] running `Command { std: "docker" "inspect" "ae6752257a8411f1e66081f8ecfcf0a7541205f6e0cc0f5b4a6baa5cf2643c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6752257a8411f1e66081f8ecfcf0a7541205f6e0cc0f5b4a6baa5cf2643c1c", kill_on_drop: false }`
[INFO] [stdout] ae6752257a8411f1e66081f8ecfcf0a7541205f6e0cc0f5b4a6baa5cf2643c1c