[INFO] cloning repository https://github.com/PrinceDavis/cli_blockchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PrinceDavis/cli_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrinceDavis%2Fcli_blockchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrinceDavis%2Fcli_blockchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62942904ca7bdb34d3c53518128d281cc52acdd2 [INFO] testing PrinceDavis/cli_blockchain against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPrinceDavis%2Fcli_blockchain" "/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/PrinceDavis/cli_blockchain [INFO] finished tweaking git repo https://github.com/PrinceDavis/cli_blockchain [INFO] tweaked toml for git repo https://github.com/PrinceDavis/cli_blockchain written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/PrinceDavis/cli_blockchain on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/PrinceDavis/cli_blockchain already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dc14fa6c6a95de7ce4fab45e830c85ce04480937074086f87733c01c59c4b6a [INFO] running `Command { std: "docker" "start" "-a" "5dc14fa6c6a95de7ce4fab45e830c85ce04480937074086f87733c01c59c4b6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dc14fa6c6a95de7ce4fab45e830c85ce04480937074086f87733c01c59c4b6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc14fa6c6a95de7ce4fab45e830c85ce04480937074086f87733c01c59c4b6a", kill_on_drop: false }` [INFO] [stdout] 5dc14fa6c6a95de7ce4fab45e830c85ce04480937074086f87733c01c59c4b6a [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 18f078cb169ef6661b4b0b6fd4b237100d7e311daa18a7d1b6f831d11423f4cf [INFO] running `Command { std: "docker" "start" "-a" "18f078cb169ef6661b4b0b6fd4b237100d7e311daa18a7d1b6f831d11423f4cf", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.80 [INFO] [stderr] Compiling serde v1.0.198 [INFO] [stderr] Compiling serde_json v1.0.116 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.59 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling serde_derive v1.0.198 [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/blockchain.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let input = serde_json::to_string(&item).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Transaction` is more private than the item `blockchain::Chain::get_merkle` [INFO] [stdout] --> src/blockchain.rs:110:3 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `blockchain::Chain::get_merkle` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Transaction` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/blockchain.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | struct Transaction { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Transaction` is never constructed [INFO] [stdout] --> src/blockchain.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Transaction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockHeader` is never constructed [INFO] [stdout] --> src/blockchain.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct BlockHeader { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Block` is never constructed [INFO] [stdout] --> src/blockchain.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Chain` is never constructed [INFO] [stdout] --> src/blockchain.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Chain { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/blockchain.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 35 | impl Chain { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 36 | pub fn new(miner_addr: String, difficulty: u32) -> Chain { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn new_transaction(&mut self, sender: String, reciever: String, amount: f32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn last_hash(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn update_difficulty(&mut self, difficulty: u32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn update_reward(&mut self, reward: f32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn generate_new_block(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn proof_of_work(header: &mut BlockHeader) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | pub fn hash(item: &T) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.87s [INFO] running `Command { std: "docker" "inspect" "18f078cb169ef6661b4b0b6fd4b237100d7e311daa18a7d1b6f831d11423f4cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18f078cb169ef6661b4b0b6fd4b237100d7e311daa18a7d1b6f831d11423f4cf", kill_on_drop: false }` [INFO] [stdout] 18f078cb169ef6661b4b0b6fd4b237100d7e311daa18a7d1b6f831d11423f4cf [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebebe5cfd26f4cd6933065d4d3d226f3b9a7de3e3996fa2c72045308472bdf3b [INFO] running `Command { std: "docker" "start" "-a" "ebebe5cfd26f4cd6933065d4d3d226f3b9a7de3e3996fa2c72045308472bdf3b", kill_on_drop: false }` [INFO] [stderr] Compiling blockchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/blockchain.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let input = serde_json::to_string(&item).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Transaction` is more private than the item `blockchain::Chain::get_merkle` [INFO] [stdout] --> src/blockchain.rs:110:3 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `blockchain::Chain::get_merkle` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Transaction` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/blockchain.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | struct Transaction { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Transaction` is never constructed [INFO] [stdout] --> src/blockchain.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct Transaction { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockHeader` is never constructed [INFO] [stdout] --> src/blockchain.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct BlockHeader { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Block` is never constructed [INFO] [stdout] --> src/blockchain.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct Block { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Chain` is never constructed [INFO] [stdout] --> src/blockchain.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Chain { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/blockchain.rs:36:10 [INFO] [stdout] | [INFO] [stdout] 35 | impl Chain { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 36 | pub fn new(miner_addr: String, difficulty: u32) -> Chain { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 48 | pub fn new_transaction(&mut self, sender: String, reciever: String, amount: f32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn last_hash(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn update_difficulty(&mut self, difficulty: u32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | pub fn update_reward(&mut self, reward: f32) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn generate_new_block(&mut self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn proof_of_work(header: &mut BlockHeader) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | pub fn hash(item: &T) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "ebebe5cfd26f4cd6933065d4d3d226f3b9a7de3e3996fa2c72045308472bdf3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebebe5cfd26f4cd6933065d4d3d226f3b9a7de3e3996fa2c72045308472bdf3b", kill_on_drop: false }` [INFO] [stdout] ebebe5cfd26f4cd6933065d4d3d226f3b9a7de3e3996fa2c72045308472bdf3b [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 88a3f8a6aec6999a815d02bc4f5d7064fe1722b6dd3f23282651ab04d2afcdaa [INFO] running `Command { std: "docker" "start" "-a" "88a3f8a6aec6999a815d02bc4f5d7064fe1722b6dd3f23282651ab04d2afcdaa", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `input` [INFO] [stderr] --> src/blockchain.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | let input = serde_json::to_string(&item).unwrap(); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Transaction` is more private than the item `blockchain::Chain::get_merkle` [INFO] [stderr] --> src/blockchain.rs:110:3 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `blockchain::Chain::get_merkle` is reachable at visibility `pub(crate)` [INFO] [stderr] | [INFO] [stderr] note: but type `Transaction` is only usable at visibility `pub(self)` [INFO] [stderr] --> src/blockchain.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | struct Transaction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Transaction` is never constructed [INFO] [stderr] --> src/blockchain.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | struct Transaction { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `BlockHeader` is never constructed [INFO] [stderr] --> src/blockchain.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub struct BlockHeader { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Block` is never constructed [INFO] [stderr] --> src/blockchain.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | pub struct Block { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Chain` is never constructed [INFO] [stderr] --> src/blockchain.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub struct Chain { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple associated items are never used [INFO] [stderr] --> src/blockchain.rs:36:10 [INFO] [stderr] | [INFO] [stderr] 35 | impl Chain { [INFO] [stderr] | ---------- associated items in this implementation [INFO] [stderr] 36 | pub fn new(miner_addr: String, difficulty: u32) -> Chain { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 48 | pub fn new_transaction(&mut self, sender: String, reciever: String, amount: f32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 57 | pub fn last_hash(&self) -> String { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 65 | pub fn update_difficulty(&mut self, difficulty: u32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 70 | pub fn update_reward(&mut self, reward: f32) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 75 | pub fn generate_new_block(&mut self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 110 | pub fn get_merkle(curr_trans: Vec) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 134 | pub fn proof_of_work(header: &mut BlockHeader) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 156 | pub fn hash(item: &T) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `blockchain` (bin "blockchain" test) generated 7 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/blockchain-6c0f216af5f4cec5) [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" "88a3f8a6aec6999a815d02bc4f5d7064fe1722b6dd3f23282651ab04d2afcdaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88a3f8a6aec6999a815d02bc4f5d7064fe1722b6dd3f23282651ab04d2afcdaa", kill_on_drop: false }` [INFO] [stdout] 88a3f8a6aec6999a815d02bc4f5d7064fe1722b6dd3f23282651ab04d2afcdaa