[INFO] cloning repository https://github.com/bhaskar10h/Bitcoin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhaskar10h/Bitcoin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskar10h%2FBitcoin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskar10h%2FBitcoin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a95704175deb4362a71621f7ea8dd91cd86ad8b4
[INFO] checking bhaskar10h/Bitcoin against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhaskar10h%2FBitcoin" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/bhaskar10h/Bitcoin
[INFO] finished tweaking git repo https://github.com/bhaskar10h/Bitcoin
[INFO] tweaked toml for git repo https://github.com/bhaskar10h/Bitcoin written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bhaskar10h/Bitcoin on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bhaskar10h/Bitcoin 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha256 v1.6.0
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[INFO] [stdout] 5ea55662b92fb702b800a358018481803546dbfa1a23cb7e521027683bd2fe6c
[INFO] running `Command { std: "docker" "start" "-a" "5ea55662b92fb702b800a358018481803546dbfa1a23cb7e521027683bd2fe6c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "5ea55662b92fb702b800a358018481803546dbfa1a23cb7e521027683bd2fe6c", kill_on_drop: false }`
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[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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d337c5e352ffaebaec5adb7b3ad2c48dc3b250ac877dd6828a7db1a611f003c
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[INFO] [stderr]     Checking const-oid v0.9.6
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[INFO] [stdout] warning: method `update_hash` is never used
[INFO] [stdout]   --> src/bitcoinscript.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ScriptPubkey {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn update_hash(&mut self, hash_val: &str) -> String {
[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 `prev_block`, `txn_size`, `merkle_tree_root`, and `nonce` are never read
[INFO] [stdout]   --> src/block.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     pub prev_block: BlockPtr,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub txn_size: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub merkle_tree_root: MerkleNode,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub nonce: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_size` is never used
[INFO] [stdout]   --> src/block.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Block {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `child` and `is_transaction` are never read
[INFO] [stdout]  --> src/merkle_node.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MerkleNode {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     pub hash_val: String,
[INFO] [stdout] 6 |     pub child: Vec<Self>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub is_transaction: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MerkleNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `blockqueue` and `bitcoins` are never read
[INFO] [stdout]   --> src/node.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     blockqueue: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     bitcoins: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_txn` is never used
[INFO] [stdout]    --> src/node.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn print_txn(&self, txn_list: &Arc<Mutex<Vec<Arc<Mutex<Transaction>>>>>) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_coinbase` is never read
[INFO] [stdout]   --> src/transaction.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Transaction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_coinbase: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transaction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_size` is never used
[INFO] [stdout]    --> src/transaction.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl Transaction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_size(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update_hash` is never used
[INFO] [stdout]   --> src/bitcoinscript.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl ScriptPubkey {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn update_hash(&mut self, hash_val: &str) -> String {
[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 `prev_block`, `txn_size`, `merkle_tree_root`, and `nonce` are never read
[INFO] [stdout]   --> src/block.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 14 |     pub prev_block: BlockPtr,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub txn_size: usize,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub merkle_tree_root: MerkleNode,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     pub nonce: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_size` is never used
[INFO] [stdout]   --> src/block.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Block {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn get_size(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `child` and `is_transaction` are never read
[INFO] [stdout]  --> src/merkle_node.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct MerkleNode {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     pub hash_val: String,
[INFO] [stdout] 6 |     pub child: Vec<Self>,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 7 |     pub is_transaction: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MerkleNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `blockqueue` and `bitcoins` are never read
[INFO] [stdout]   --> src/node.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     blockqueue: Vec<Block>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     bitcoins: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_txn` is never used
[INFO] [stdout]    --> src/node.rs:425:12
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Node {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 425 |     pub fn print_txn(&self, txn_list: &Arc<Mutex<Vec<Arc<Mutex<Transaction>>>>>) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_coinbase` is never read
[INFO] [stdout]   --> src/transaction.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Transaction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub is_coinbase: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Transaction` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_size` is never used
[INFO] [stdout]    --> src/transaction.rs:103:12
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl Transaction {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn get_size(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1d337c5e352ffaebaec5adb7b3ad2c48dc3b250ac877dd6828a7db1a611f003c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d337c5e352ffaebaec5adb7b3ad2c48dc3b250ac877dd6828a7db1a611f003c", kill_on_drop: false }`
[INFO] [stdout] 1d337c5e352ffaebaec5adb7b3ad2c48dc3b250ac877dd6828a7db1a611f003c
