[INFO] cloning repository https://github.com/salva-imm/mini-eth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/salva-imm/mini-eth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalva-imm%2Fmini-eth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalva-imm%2Fmini-eth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e0e6a8c1723e13477302a08fdd8d5e6742d0520
[INFO] testing salva-imm/mini-eth against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsalva-imm%2Fmini-eth" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/salva-imm/mini-eth
[INFO] finished tweaking git repo https://github.com/salva-imm/mini-eth
[INFO] tweaked toml for git repo https://github.com/salva-imm/mini-eth written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/salva-imm/mini-eth on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/salva-imm/mini-eth 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0006f34c61146a10186246b9d08006d80ecb10c6a6f72ed705c68d57af91fac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0006f34c61146a10186246b9d08006d80ecb10c6a6f72ed705c68d57af91fac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0006f34c61146a10186246b9d08006d80ecb10c6a6f72ed705c68d57af91fac7", kill_on_drop: false }`
[INFO] [stdout] 0006f34c61146a10186246b9d08006d80ecb10c6a6f72ed705c68d57af91fac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c83fd1fb20546d47fa291d0af6fdcc3783c65f5a37d31b40eb4e5715092e8c11
[INFO] running `Command { std: "docker" "start" "-a" "c83fd1fb20546d47fa291d0af6fdcc3783c65f5a37d31b40eb4e5715092e8c11", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling reqwest v0.12.23
[INFO] [stderr]    Compiling mini-eth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Transaction {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout]  6 |     from: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     to: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  8 |     nonce: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     value: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     gas_limit: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     gas_price: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     sig: Vec<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `status`, `gas_used`, and `logs` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Receipt {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     status: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     gas_used: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     logs: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `transactions`, and `receipts` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 23 |     header: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     transactions: Vec<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     receipts: Vec<Receipt>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockHeader` is never constructed
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct BlockHeader {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Account` is never constructed
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Account {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `produce_block` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn produce_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_block` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn validate_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_transaction` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn execute_transaction(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_state` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn update_state(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_block` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn store_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_blockchain` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn query_blockchain(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deploy_smart_contract` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn deploy_smart_contract(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consensus_mechanism` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn consensus_mechanism(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "c83fd1fb20546d47fa291d0af6fdcc3783c65f5a37d31b40eb4e5715092e8c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c83fd1fb20546d47fa291d0af6fdcc3783c65f5a37d31b40eb4e5715092e8c11", kill_on_drop: false }`
[INFO] [stdout] c83fd1fb20546d47fa291d0af6fdcc3783c65f5a37d31b40eb4e5715092e8c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d2443c8f13ac12ddd60514bf2fff953b9e2cde0c5091f073c9f295f9b6951b
[INFO] running `Command { std: "docker" "start" "-a" "b0d2443c8f13ac12ddd60514bf2fff953b9e2cde0c5091f073c9f295f9b6951b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini-eth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | struct Transaction {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout]  6 |     from: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  7 |     to: String,
[INFO] [stdout]    |     ^^
[INFO] [stdout]  8 |     nonce: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]  9 |     value: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     gas_limit: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 11 |     gas_price: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     sig: Vec<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `status`, `gas_used`, and `logs` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Receipt {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     status: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     gas_used: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 19 |     logs: Vec<String>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `transactions`, and `receipts` are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Block {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 23 |     header: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     transactions: Vec<Transaction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 25 |     receipts: Vec<Receipt>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockHeader` is never constructed
[INFO] [stdout]   --> src/main.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct BlockHeader {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Account` is never constructed
[INFO] [stdout]   --> src/main.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Account {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `produce_block` is never used
[INFO] [stdout]   --> src/main.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn produce_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_block` is never used
[INFO] [stdout]   --> src/main.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn validate_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_transaction` is never used
[INFO] [stdout]   --> src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn execute_transaction(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_state` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn update_state(){
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `store_block` is never used
[INFO] [stdout]   --> src/main.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn store_block(){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query_blockchain` is never used
[INFO] [stdout]   --> src/main.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn query_blockchain(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deploy_smart_contract` is never used
[INFO] [stdout]   --> src/main.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn deploy_smart_contract(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `consensus_mechanism` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn consensus_mechanism(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "b0d2443c8f13ac12ddd60514bf2fff953b9e2cde0c5091f073c9f295f9b6951b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2443c8f13ac12ddd60514bf2fff953b9e2cde0c5091f073c9f295f9b6951b", kill_on_drop: false }`
[INFO] [stdout] b0d2443c8f13ac12ddd60514bf2fff953b9e2cde0c5091f073c9f295f9b6951b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28582278dd36f7a645205494adac639f400659c7cdad24a053a42d8fe2e96529
[INFO] running `Command { std: "docker" "start" "-a" "28582278dd36f7a645205494adac639f400659c7cdad24a053a42d8fe2e96529", kill_on_drop: false }`
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr]  5 | struct Transaction {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr]  6 |     from: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]  7 |     to: String,
[INFO] [stderr]    |     ^^
[INFO] [stderr]  8 |     nonce: u64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]  9 |     value: u64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 10 |     gas_limit: u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 11 |     gas_price: u64,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 12 |     data: Vec<u8>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 13 |     sig: Vec<u8>,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `status`, `gas_used`, and `logs` are never read
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Receipt {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 17 |     status: bool,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     gas_used: u64,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 19 |     logs: Vec<String>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `header`, `transactions`, and `receipts` are never read
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Block {
[INFO] [stderr]    |        ----- fields in this struct
[INFO] [stderr] 23 |     header: String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 24 |     transactions: Vec<Transaction>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 25 |     receipts: Vec<Receipt>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BlockHeader` is never constructed
[INFO] [stderr]   --> src/main.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct BlockHeader {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Account` is never constructed
[INFO] [stderr]   --> src/main.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | struct Account {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `produce_block` is never used
[INFO] [stderr]   --> src/main.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn produce_block(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `validate_block` is never used
[INFO] [stderr]   --> src/main.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn validate_block(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `execute_transaction` is never used
[INFO] [stderr]   --> src/main.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn execute_transaction(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `update_state` is never used
[INFO] [stderr]   --> src/main.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn update_state(){
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `store_block` is never used
[INFO] [stderr]   --> src/main.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn store_block(){
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `query_blockchain` is never used
[INFO] [stderr]   --> src/main.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn query_blockchain(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `deploy_smart_contract` is never used
[INFO] [stderr]   --> src/main.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn deploy_smart_contract(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `consensus_mechanism` is never used
[INFO] [stderr]   --> src/main.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn consensus_mechanism(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-eth` (bin "mini-eth" test) generated 13 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mini_eth-ec841d5900b26000)
[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" "28582278dd36f7a645205494adac639f400659c7cdad24a053a42d8fe2e96529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28582278dd36f7a645205494adac639f400659c7cdad24a053a42d8fe2e96529", kill_on_drop: false }`
[INFO] [stdout] 28582278dd36f7a645205494adac639f400659c7cdad24a053a42d8fe2e96529
