[INFO] updating cached repository Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7fa1413ea17ac253607193a3212e1563c2defa2
[INFO] sha for GitHub repo Hrishikesh-Thakkar/Bitcoin_Wallet_Rust: b7fa1413ea17ac253607193a3212e1563c2defa2
[INFO] validating manifest of Hrishikesh-Thakkar/Bitcoin_Wallet_Rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Hrishikesh-Thakkar/Bitcoin_Wallet_Rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] finished frobbing Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] frobbed toml for Hrishikesh-Thakkar/Bitcoin_Wallet_Rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust/Cargo.toml
[INFO] started frobbing Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] finished frobbing Hrishikesh-Thakkar/Bitcoin_Wallet_Rust
[INFO] frobbed toml for Hrishikesh-Thakkar/Bitcoin_Wallet_Rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust/Cargo.toml
[INFO] crate Hrishikesh-Thakkar/Bitcoin_Wallet_Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Hrishikesh-Thakkar/Bitcoin_Wallet_Rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-0/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Hrishikesh-Thakkar/Bitcoin_Wallet_Rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 24ad81db93c1e076f73a91499706d6bd8a9506e671c0fbf68b485a5d55ca3aef
[INFO] running `"docker" "start" "-a" "24ad81db93c1e076f73a91499706d6bd8a9506e671c0fbf68b485a5d55ca3aef"`
[INFO] [stderr]    Compiling secp256k1 v0.8.2
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking bitcoin v0.11.0
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/crater/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: 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 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: 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 13.87s
[INFO] running `"docker" "inspect" "24ad81db93c1e076f73a91499706d6bd8a9506e671c0fbf68b485a5d55ca3aef"`
[INFO] running `"docker" "rm" "-f" "24ad81db93c1e076f73a91499706d6bd8a9506e671c0fbf68b485a5d55ca3aef"`
[INFO] [stdout] 24ad81db93c1e076f73a91499706d6bd8a9506e671c0fbf68b485a5d55ca3aef