[INFO] cloning repository https://github.com/ChainThemAll/bitcoin_example_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChainThemAll/bitcoin_example_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChainThemAll%2Fbitcoin_example_rust", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 726e4dc7234f873eb5fcf47ee3b793aa2b0c0b8f
[INFO] checking ChainThemAll/bitcoin_example_rust/726e4dc7234f873eb5fcf47ee3b793aa2b0c0b8f against master#40557f6225e337d68c8d4f086557ce54135f5dd9 for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChainThemAll%2Fbitcoin_example_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ChainThemAll/bitcoin_example_rust
[INFO] finished tweaking git repo https://github.com/ChainThemAll/bitcoin_example_rust
[INFO] tweaked toml for git repo https://github.com/ChainThemAll/bitcoin_example_rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChainThemAll/bitcoin_example_rust on toolchain 40557f6225e337d68c8d4f086557ce54135f5dd9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ChainThemAll/bitcoin_example_rust 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" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65" "/opt/rustwide/cargo-home/bin/cargo" "+40557f6225e337d68c8d4f086557ce54135f5dd9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `hash::HashValue`
[INFO] [stdout]  --> src/account.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     hash::HashValue,
[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 import: `hash::HashValue`
[INFO] [stdout]  --> src/account.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     hash::HashValue,
[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 import: `core::num`
[INFO] [stdout]  --> src/db.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/db.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockHeader` and `Transaction`
[INFO] [stdout]   --> src/db.rs:9:20
[INFO] [stdout]    |
[INFO] [stdout]  9 |     block::{Block, BlockHeader},
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     transaction::{TXOutput, Transaction},
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self` and `transaction::Transaction`
[INFO] [stdout]  --> src/wallet.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     account::{self, Account},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     transaction::Transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self` and `transaction::Transaction`
[INFO] [stdout]  --> src/wallet.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     account::{self, Account},
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 |     transaction::Transaction,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/transaction.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let vin = todo!();
[INFO] [stdout]    |                   ------- any code following this expression is unreachable
[INFO] [stdout] 61 |         let vout = todo!();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/transaction.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let vin = todo!();
[INFO] [stdout]    |                   ------- any code following this expression is unreachable
[INFO] [stdout] 61 |         let vout = todo!();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/db.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let (key, value) = bitcoin.last().unwrap().unwrap();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/db.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let (key, value) = bitcoin.last().unwrap().unwrap();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signature.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut new: [u8; 64] = [0; 64];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/signature.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut new: [u8; 64] = [0; 64];
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/signature.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut new: [u8; 64] = [0; 64];
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new`
[INFO] [stdout]   --> src/signature.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let mut new: [u8; 64] = [0; 64];
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut tx = Self {
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_out`
[INFO] [stdout]   --> src/transaction.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map(|tx_out| TXInput::new(hash, 0, signature::Signature::default(), [0; 32]))
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/transaction.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(from: Address, to: Address, value: u64) -> Self {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/transaction.rs:53:44
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(from: Address, to: Address, value: u64) -> Self {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vin`
[INFO] [stdout]   --> src/transaction.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let vin = get_utxo(from)
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vin`
[INFO] [stdout]   --> src/transaction.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let vin = todo!();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut tx = Self {
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx_out`
[INFO] [stdout]   --> src/transaction.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             .map(|tx_out| TXInput::new(hash, 0, signature::Signature::default(), [0; 32]))
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tx_out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/transaction.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(from: Address, to: Address, value: u64) -> Self {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/transaction.rs:53:44
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new(from: Address, to: Address, value: u64) -> Self {
[INFO] [stdout]    |                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vin`
[INFO] [stdout]   --> src/transaction.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let vin = get_utxo(from)
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vin`
[INFO] [stdout]   --> src/transaction.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let vin = todo!();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_vin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mnemonic_byte_len` is never used
[INFO] [stdout]  --> src/pbkdf2.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn mnemonic_byte_len<M>(mnemonic: M) -> usize
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mnemonic_write_into` is never used
[INFO] [stdout]   --> src/pbkdf2.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn mnemonic_write_into<M>(mnemonic: M, engine: &mut sha512::HashEngine)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_hmac_engine` is never used
[INFO] [stdout]   --> src/pbkdf2.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn create_hmac_engine<M>(mnemonic: M) -> hmac::HmacEngine<sha512::Hash>
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u32_to_array_be` is never used
[INFO] [stdout]   --> src/pbkdf2.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn u32_to_array_be(val: u32) -> [u8; 4] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `xor` is never used
[INFO] [stdout]   --> src/pbkdf2.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn xor(res: &mut [u8], salt: &[u8]) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pbkdf2` is never used
[INFO] [stdout]    --> src/pbkdf2.rs:103:15
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub(crate) fn pbkdf2<M>(mnemonic: M, unprefixed_salt: &[u8], c: usize, res: &mut [u8])
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `HDWallet` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod HDWallet;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `hdwallet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `HDWallet` should have a snake case name
[INFO] [stdout]  --> src/lib.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod HDWallet;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `hdwallet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[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 import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[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: `v`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let v = vec![2, 2];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65", kill_on_drop: false }`
[INFO] [stdout] e8500ad9e041fa0976ac94d7e89957ffe4d178193ac2600b2f14c6bd01281d65
