[INFO] updating cached repository https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7fa1413ea17ac253607193a3212e1563c2defa2
[INFO] testing Hrishikesh-Thakkar/Bitcoin_Wallet_Rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHrishikesh-Thakkar%2FBitcoin_Wallet_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/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] finished tweaking git repo https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] tweaked toml for git repo https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6857a0a98f114656955b61f20162ec9a92a53457517b56e66bd66b39b5519008
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6857a0a98f114656955b61f20162ec9a92a53457517b56e66bd66b39b5519008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6857a0a98f114656955b61f20162ec9a92a53457517b56e66bd66b39b5519008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6857a0a98f114656955b61f20162ec9a92a53457517b56e66bd66b39b5519008", kill_on_drop: false }`
[INFO] [stdout] 6857a0a98f114656955b61f20162ec9a92a53457517b56e66bd66b39b5519008
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a2c6cba43519e47e360d3351bdefc6bc3ff856e750ba0a08c097f8fbc4e4c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88a2c6cba43519e47e360d3351bdefc6bc3ff856e750ba0a08c097f8fbc4e4c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1 v0.8.2
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling strason v0.3.4
[INFO] [stderr]    Compiling bitcoin v0.11.0
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::String`
[INFO] [stdout]  --> src/transaction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin::util::address::Address`
[INFO] [stdout]  --> src/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use bitcoin::util::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin::util::address::Privkey`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bitcoin::util::address::Privkey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash160`
[INFO] [stdout]   --> src/transaction.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bitcoin::util::hash::{Hash160, Sha256dHash};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToBase58`
[INFO] [stdout]   --> src/transaction.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | use base58::{ToBase58, FromBase58};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network`
[INFO] [stdout]   --> src/transaction.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let network = Network::Bitcoin;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sighash`
[INFO] [stdout]   --> src/transaction.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let sighash = SigHashType::All;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sighash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/transaction.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let s = Secp256k1::new();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut txin = TxIn {
[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]   --> src/transaction.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut transaction = Transaction {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_address`
[INFO] [stdout]   --> src/address.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn generate_address(nwork: &str) -> (String, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `options`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn options() -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.82s
[INFO] running `Command { std: "docker" "inspect" "88a2c6cba43519e47e360d3351bdefc6bc3ff856e750ba0a08c097f8fbc4e4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a2c6cba43519e47e360d3351bdefc6bc3ff856e750ba0a08c097f8fbc4e4c4", kill_on_drop: false }`
[INFO] [stdout] 88a2c6cba43519e47e360d3351bdefc6bc3ff856e750ba0a08c097f8fbc4e4c4
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68aba9db9b579d2dcfe34bf0490b413caf5a5220152229cdae2824076bc0ecab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68aba9db9b579d2dcfe34bf0490b413caf5a5220152229cdae2824076bc0ecab", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/transaction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::String`
[INFO] [stdout]  --> src/transaction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin::util::address::Address`
[INFO] [stdout]  --> src/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use bitcoin::util::address::Address;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bitcoin::util::address::Privkey`
[INFO] [stdout]  --> src/transaction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use bitcoin::util::address::Privkey;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash160`
[INFO] [stdout]   --> src/transaction.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bitcoin::util::hash::{Hash160, Sha256dHash};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToBase58`
[INFO] [stdout]   --> src/transaction.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 | use base58::{ToBase58, FromBase58};
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network`
[INFO] [stdout]   --> src/transaction.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let network = Network::Bitcoin;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sighash`
[INFO] [stdout]   --> src/transaction.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let sighash = SigHashType::All;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sighash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/transaction.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let s = Secp256k1::new();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/transaction.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut txin = TxIn {
[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]   --> src/transaction.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut transaction = Transaction {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_address`
[INFO] [stdout]   --> src/address.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn generate_address(nwork: &str) -> (String, String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `options`
[INFO] [stdout]   --> src/main.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn options() -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68aba9db9b579d2dcfe34bf0490b413caf5a5220152229cdae2824076bc0ecab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68aba9db9b579d2dcfe34bf0490b413caf5a5220152229cdae2824076bc0ecab", kill_on_drop: false }`
[INFO] [stdout] 68aba9db9b579d2dcfe34bf0490b413caf5a5220152229cdae2824076bc0ecab
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c133446004ecd7ea9bbb3a8834476e51f7c6e6d8f6c1a46f94c43292a4ba997
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c133446004ecd7ea9bbb3a8834476e51f7c6e6d8f6c1a46f94c43292a4ba997", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/transaction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::string::String`
[INFO] [stderr]  --> src/transaction.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::string::String;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bitcoin::util::address::Address`
[INFO] [stderr]  --> src/transaction.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use bitcoin::util::address::Address;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bitcoin::util::address::Privkey`
[INFO] [stderr]  --> src/transaction.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use bitcoin::util::address::Privkey;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hash160`
[INFO] [stderr]   --> src/transaction.rs:14:27
[INFO] [stderr]    |
[INFO] [stderr] 14 | use bitcoin::util::hash::{Hash160, Sha256dHash};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ToBase58`
[INFO] [stderr]   --> src/transaction.rs:17:14
[INFO] [stderr]    |
[INFO] [stderr] 17 | use base58::{ToBase58, FromBase58};
[INFO] [stderr]    |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `network`
[INFO] [stderr]   --> src/transaction.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let network = Network::Bitcoin;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sighash`
[INFO] [stderr]   --> src/transaction.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let sighash = SigHashType::All;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sighash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/transaction.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let s = Secp256k1::new();
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transaction.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut txin = TxIn {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/transaction.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut transaction = Transaction {
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_address`
[INFO] [stderr]   --> src/address.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn generate_address(nwork: &str) -> (String, String) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `options`
[INFO] [stderr]   --> src/main.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn options() -> i32 {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_world-22b5c1194cec840c
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c133446004ecd7ea9bbb3a8834476e51f7c6e6d8f6c1a46f94c43292a4ba997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c133446004ecd7ea9bbb3a8834476e51f7c6e6d8f6c1a46f94c43292a4ba997", kill_on_drop: false }`
[INFO] [stdout] 9c133446004ecd7ea9bbb3a8834476e51f7c6e6d8f6c1a46f94c43292a4ba997