[INFO] cloning repository https://github.com/korayakpinar/basic-rust-blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/korayakpinar/basic-rust-blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorayakpinar%2Fbasic-rust-blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorayakpinar%2Fbasic-rust-blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20bc1ec945f77ffcdfe5785c072ae3cccc0acb11
[INFO] checking korayakpinar/basic-rust-blockchain against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkorayakpinar%2Fbasic-rust-blockchain" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/korayakpinar/basic-rust-blockchain
[INFO] finished tweaking git repo https://github.com/korayakpinar/basic-rust-blockchain
[INFO] tweaked toml for git repo https://github.com/korayakpinar/basic-rust-blockchain written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/korayakpinar/basic-rust-blockchain on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/korayakpinar/basic-rust-blockchain 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-unit v4.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b291b8f73caa0514406e56a8508ceabcd94d7e0e79ba5a956158afaeecaa97cc
[INFO] running `Command { std: "docker" "start" "-a" "b291b8f73caa0514406e56a8508ceabcd94d7e0e79ba5a956158afaeecaa97cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b291b8f73caa0514406e56a8508ceabcd94d7e0e79ba5a956158afaeecaa97cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b291b8f73caa0514406e56a8508ceabcd94d7e0e79ba5a956158afaeecaa97cc", kill_on_drop: false }`
[INFO] [stdout] b291b8f73caa0514406e56a8508ceabcd94d7e0e79ba5a956158afaeecaa97cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f1e927080db5161619f581a25165d2bcf88be89d19720dd58bddd092d9ce82d
[INFO] running `Command { std: "docker" "start" "-a" "7f1e927080db5161619f581a25165d2bcf88be89d19720dd58bddd092d9ce82d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.3.3
[INFO] [stderr]     Checking byte-unit v4.0.18
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking p2p-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `get_address_from_keypair` and `helpers::create_random_keypair`
[INFO] [stdout]   --> src/wallet.rs:46:72
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use crate::{transaction::Transaction, helpers::{new_random_wallet, get_address_from_keypair}, helpers::create_random_keypair};
[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: `Keypair`
[INFO] [stdout]   --> src/wallet.rs:47:25
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use ed25519_dalek::{Keypair};
[INFO] [stdout]    |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::OsRng`
[INFO] [stdout]   --> src/wallet.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use rand::rngs::OsRng;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Wallet`
[INFO] [stdout]   --> src/wallet.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     use super::Wallet;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Account` is more private than the item `State::get_account`
[INFO] [stdout]   --> src/state.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_account(&self, address: String) -> &Account {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `State::get_account` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Account` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/state.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Account {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_account` and `get_nonce` are never used
[INFO] [stdout]   --> src/state.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get_account(&self, address: String) -> &Account {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get_nonce(&self, address: String) -> &u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `nonce` is never read
[INFO] [stdout]   --> src/state.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Account {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 40 |     balance: u64,
[INFO] [stdout] 41 |     nonce: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Keypair` should have a snake case name
[INFO] [stdout]   --> src/helpers.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let Keypair = create_random_keypair();
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Account` is more private than the item `State::get_account`
[INFO] [stdout]   --> src/state.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_account(&self, address: String) -> &Account {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `State::get_account` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Account` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/state.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Account {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_random_wallet` is never used
[INFO] [stdout]   --> src/helpers.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn new_random_wallet() -> Wallet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_account`, `get_nonce`, and `get_address` are never used
[INFO] [stdout]   --> src/state.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn get_account(&self, address: String) -> &Account {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn get_nonce(&self, address: String) -> &u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn get_address(&self, address: String) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nonce` and `address` are never read
[INFO] [stdout]   --> src/state.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Account {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 40 |     balance: u64,
[INFO] [stdout] 41 |     nonce: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 42 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Keypair` should have a snake case name
[INFO] [stdout]   --> src/helpers.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let Keypair = create_random_keypair();
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `keypair`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.37s
[INFO] running `Command { std: "docker" "inspect" "7f1e927080db5161619f581a25165d2bcf88be89d19720dd58bddd092d9ce82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1e927080db5161619f581a25165d2bcf88be89d19720dd58bddd092d9ce82d", kill_on_drop: false }`
[INFO] [stdout] 7f1e927080db5161619f581a25165d2bcf88be89d19720dd58bddd092d9ce82d
