[INFO] cloning repository https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHrishikesh-Thakkar%2FBitcoin_Wallet_Rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHrishikesh-Thakkar%2FBitcoin_Wallet_Rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7fa1413ea17ac253607193a3212e1563c2defa2
[INFO] checking Hrishikesh-Thakkar/Bitcoin_Wallet_Rust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHrishikesh-Thakkar%2FBitcoin_Wallet_Rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/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 `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fabbdb2f27c7125f5a64e87ecccd51286edf6135290aa754b8faa7506e89a748
[INFO] running `"docker" "start" "-a" "fabbdb2f27c7125f5a64e87ecccd51286edf6135290aa754b8faa7506e89a748"`
[INFO] [stderr]    Compiling secp256k1 v0.8.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking bitcoin v0.11.0
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[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: 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:14:1
[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:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn options() -> i32 {
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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:14:1
[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:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn options() -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.92s
[INFO] running `"docker" "inspect" "fabbdb2f27c7125f5a64e87ecccd51286edf6135290aa754b8faa7506e89a748"`
[INFO] running `"docker" "rm" "-f" "fabbdb2f27c7125f5a64e87ecccd51286edf6135290aa754b8faa7506e89a748"`
[INFO] [stdout] fabbdb2f27c7125f5a64e87ecccd51286edf6135290aa754b8faa7506e89a748