Nov 30 05:06:54.731 INFO checking collin5/bc-rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 05:06:54.731 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 05:06:54.935 INFO [stdout] 6f62a826a555d3338e7d59d82d8058c4afbcc812d58e3fe86592b5f6c0f352f3
Nov 30 05:06:54.937 INFO running `"docker" "start" "-a" "6f62a826a555d3338e7d59d82d8058c4afbcc812d58e3fe86592b5f6c0f352f3"`
Nov 30 05:06:55.474 INFO [stderr] usermod: no changes
Nov 30 05:06:55.644 INFO [stderr]     Checking itoa v0.4.0
Nov 30 05:06:56.229 INFO [stderr]     Checking serde_json v1.0.12
Nov 30 05:06:58.792 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Nov 30 05:07:00.164 INFO [stderr] warning: unused import: `std::io`
Nov 30 05:07:00.164 INFO [stderr]  --> src/main.rs:4:5
Nov 30 05:07:00.164 INFO [stderr]   |
Nov 30 05:07:00.164 INFO [stderr] 4 | use std::io;
Nov 30 05:07:00.164 INFO [stderr]   |     ^^^^^^^
Nov 30 05:07:00.164 INFO [stderr]   |
Nov 30 05:07:00.164 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:07:00.164 INFO [stderr] 
Nov 30 05:07:00.164 INFO [stderr] warning: unused import: `std::io::Write`
Nov 30 05:07:00.164 INFO [stderr]  --> src/main.rs:5:5
Nov 30 05:07:00.164 INFO [stderr]   |
Nov 30 05:07:00.164 INFO [stderr] 5 | use std::io::Write;
Nov 30 05:07:00.164 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 05:07:00.164 INFO [stderr] 
Nov 30 05:07:00.164 INFO [stderr] warning: unused import: `std::process`
Nov 30 05:07:00.164 INFO [stderr]  --> src/main.rs:6:5
Nov 30 05:07:00.164 INFO [stderr]   |
Nov 30 05:07:00.164 INFO [stderr] 6 | use std::process;
Nov 30 05:07:00.164 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 05:07:00.164 INFO [stderr] 
Nov 30 05:07:00.256 INFO [stderr] warning: unused import: `std::io`
Nov 30 05:07:00.256 INFO [stderr]  --> src/main.rs:4:5
Nov 30 05:07:00.256 INFO [stderr]   |
Nov 30 05:07:00.256 INFO [stderr] 4 | use std::io;
Nov 30 05:07:00.256 INFO [stderr]   |     ^^^^^^^
Nov 30 05:07:00.256 INFO [stderr]   |
Nov 30 05:07:00.256 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 05:07:00.256 INFO [stderr] 
Nov 30 05:07:00.256 INFO [stderr] warning: unused import: `std::io::Write`
Nov 30 05:07:00.256 INFO [stderr]  --> src/main.rs:5:5
Nov 30 05:07:00.256 INFO [stderr]   |
Nov 30 05:07:00.256 INFO [stderr] 5 | use std::io::Write;
Nov 30 05:07:00.256 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 05:07:00.256 INFO [stderr] 
Nov 30 05:07:00.256 INFO [stderr] warning: unused import: `std::process`
Nov 30 05:07:00.256 INFO [stderr]  --> src/main.rs:6:5
Nov 30 05:07:00.256 INFO [stderr]   |
Nov 30 05:07:00.256 INFO [stderr] 6 | use std::process;
Nov 30 05:07:00.256 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 05:07:00.256 INFO [stderr] 
Nov 30 05:07:00.392 INFO [stderr] warning: struct is never constructed: `Blockheader`
Nov 30 05:07:00.392 INFO [stderr]   --> src/blockchain.rs:17:1
Nov 30 05:07:00.392 INFO [stderr]    |
Nov 30 05:07:00.392 INFO [stderr] 17 | pub struct Blockheader {
Nov 30 05:07:00.392 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.392 INFO [stderr]    |
Nov 30 05:07:00.392 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 05:07:00.392 INFO [stderr] 
Nov 30 05:07:00.392 INFO [stderr] warning: struct is never constructed: `Block`
Nov 30 05:07:00.392 INFO [stderr]   --> src/blockchain.rs:26:1
Nov 30 05:07:00.392 INFO [stderr]    |
Nov 30 05:07:00.392 INFO [stderr] 26 | pub struct Block {
Nov 30 05:07:00.392 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:07:00.392 INFO [stderr] 
Nov 30 05:07:00.392 INFO [stderr] warning: struct is never constructed: `Chain`
Nov 30 05:07:00.392 INFO [stderr]   --> src/blockchain.rs:32:1
Nov 30 05:07:00.392 INFO [stderr]    |
Nov 30 05:07:00.392 INFO [stderr] 32 | pub struct Chain {
Nov 30 05:07:00.392 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:07:00.393 INFO [stderr] 
Nov 30 05:07:00.393 INFO [stderr] warning: method is never used: `new`
Nov 30 05:07:00.393 INFO [stderr]   --> src/blockchain.rs:41:5
Nov 30 05:07:00.393 INFO [stderr]    |
Nov 30 05:07:00.393 INFO [stderr] 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 30 05:07:00.393 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.393 INFO [stderr] 
Nov 30 05:07:00.393 INFO [stderr] warning: method is never used: `new_trans`
Nov 30 05:07:00.393 INFO [stderr]   --> src/blockchain.rs:53:5
Nov 30 05:07:00.393 INFO [stderr]    |
Nov 30 05:07:00.393 INFO [stderr] 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 30 05:07:00.393 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.393 INFO [stderr] 
Nov 30 05:07:00.393 INFO [stderr] warning: method is never used: `last_hash`
Nov 30 05:07:00.393 INFO [stderr]   --> src/blockchain.rs:63:5
Nov 30 05:07:00.393 INFO [stderr]    |
Nov 30 05:07:00.393 INFO [stderr] 63 |     pub fn last_hash(&self) -> String {
Nov 30 05:07:00.393 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.393 INFO [stderr] 
Nov 30 05:07:00.393 INFO [stderr] warning: method is never used: `update_difficulty`
Nov 30 05:07:00.394 INFO [stderr]   --> src/blockchain.rs:71:5
Nov 30 05:07:00.394 INFO [stderr]    |
Nov 30 05:07:00.394 INFO [stderr] 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 30 05:07:00.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.394 INFO [stderr] 
Nov 30 05:07:00.394 INFO [stderr] warning: method is never used: `update_reward`
Nov 30 05:07:00.394 INFO [stderr]   --> src/blockchain.rs:76:5
Nov 30 05:07:00.394 INFO [stderr]    |
Nov 30 05:07:00.394 INFO [stderr] 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 30 05:07:00.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.394 INFO [stderr] 
Nov 30 05:07:00.394 INFO [stderr] warning: method is never used: `gen_new_block`
Nov 30 05:07:00.394 INFO [stderr]   --> src/blockchain.rs:81:5
Nov 30 05:07:00.394 INFO [stderr]    |
Nov 30 05:07:00.394 INFO [stderr] 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 30 05:07:00.394 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.394 INFO [stderr] 
Nov 30 05:07:00.396 INFO [stderr] warning: method is never used: `get_merkle`
Nov 30 05:07:00.396 INFO [stderr]    --> src/blockchain.rs:113:5
Nov 30 05:07:00.396 INFO [stderr]     |
Nov 30 05:07:00.396 INFO [stderr] 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 30 05:07:00.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.396 INFO [stderr] 
Nov 30 05:07:00.396 INFO [stderr] warning: method is never used: `proof_of_work`
Nov 30 05:07:00.396 INFO [stderr]    --> src/blockchain.rs:136:5
Nov 30 05:07:00.396 INFO [stderr]     |
Nov 30 05:07:00.396 INFO [stderr] 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 30 05:07:00.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.396 INFO [stderr] 
Nov 30 05:07:00.396 INFO [stderr] warning: method is never used: `hash`
Nov 30 05:07:00.396 INFO [stderr]    --> src/blockchain.rs:156:5
Nov 30 05:07:00.396 INFO [stderr]     |
Nov 30 05:07:00.396 INFO [stderr] 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 30 05:07:00.396 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.396 INFO [stderr] 
Nov 30 05:07:00.396 INFO [stderr] warning: method is never used: `hex_to_str`
Nov 30 05:07:00.396 INFO [stderr]    --> src/blockchain.rs:165:5
Nov 30 05:07:00.396 INFO [stderr]     |
Nov 30 05:07:00.397 INFO [stderr] 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 30 05:07:00.397 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.397 INFO [stderr] 
Nov 30 05:07:00.416 INFO [stderr] warning: struct is never constructed: `Blockheader`
Nov 30 05:07:00.416 INFO [stderr]   --> src/blockchain.rs:17:1
Nov 30 05:07:00.416 INFO [stderr]    |
Nov 30 05:07:00.416 INFO [stderr] 17 | pub struct Blockheader {
Nov 30 05:07:00.416 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.416 INFO [stderr]    |
Nov 30 05:07:00.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 05:07:00.416 INFO [stderr] 
Nov 30 05:07:00.416 INFO [stderr] warning: struct is never constructed: `Block`
Nov 30 05:07:00.416 INFO [stderr]   --> src/blockchain.rs:26:1
Nov 30 05:07:00.416 INFO [stderr]    |
Nov 30 05:07:00.416 INFO [stderr] 26 | pub struct Block {
Nov 30 05:07:00.416 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:07:00.416 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: struct is never constructed: `Chain`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:32:1
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 32 | pub struct Chain {
Nov 30 05:07:00.417 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `new`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:41:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `new_trans`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:53:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `last_hash`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:63:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 63 |     pub fn last_hash(&self) -> String {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `update_difficulty`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:71:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `update_reward`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:76:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.417 INFO [stderr] 
Nov 30 05:07:00.417 INFO [stderr] warning: method is never used: `gen_new_block`
Nov 30 05:07:00.417 INFO [stderr]   --> src/blockchain.rs:81:5
Nov 30 05:07:00.417 INFO [stderr]    |
Nov 30 05:07:00.417 INFO [stderr] 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 30 05:07:00.417 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.418 INFO [stderr] 
Nov 30 05:07:00.418 INFO [stderr] warning: method is never used: `get_merkle`
Nov 30 05:07:00.418 INFO [stderr]    --> src/blockchain.rs:113:5
Nov 30 05:07:00.418 INFO [stderr]     |
Nov 30 05:07:00.418 INFO [stderr] 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 30 05:07:00.418 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.418 INFO [stderr] 
Nov 30 05:07:00.418 INFO [stderr] warning: method is never used: `proof_of_work`
Nov 30 05:07:00.418 INFO [stderr]    --> src/blockchain.rs:136:5
Nov 30 05:07:00.418 INFO [stderr]     |
Nov 30 05:07:00.418 INFO [stderr] 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 30 05:07:00.418 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.418 INFO [stderr] 
Nov 30 05:07:00.418 INFO [stderr] warning: method is never used: `hash`
Nov 30 05:07:00.418 INFO [stderr]    --> src/blockchain.rs:156:5
Nov 30 05:07:00.419 INFO [stderr]     |
Nov 30 05:07:00.419 INFO [stderr] 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 30 05:07:00.419 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.419 INFO [stderr] 
Nov 30 05:07:00.419 INFO [stderr] warning: method is never used: `hex_to_str`
Nov 30 05:07:00.419 INFO [stderr]    --> src/blockchain.rs:165:5
Nov 30 05:07:00.419 INFO [stderr]     |
Nov 30 05:07:00.419 INFO [stderr] 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 30 05:07:00.419 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:07:00.419 INFO [stderr] 
Nov 30 05:07:00.464 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.96s
Nov 30 05:07:00.469 INFO [stderr] su: No module specific data is present
Nov 30 05:07:00.988 INFO running `"docker" "inspect" "6f62a826a555d3338e7d59d82d8058c4afbcc812d58e3fe86592b5f6c0f352f3"`
Nov 30 05:07:01.142 INFO running `"docker" "rm" "-f" "6f62a826a555d3338e7d59d82d8058c4afbcc812d58e3fe86592b5f6c0f352f3"`
Nov 30 05:07:01.303 INFO [stdout] 6f62a826a555d3338e7d59d82d8058c4afbcc812d58e3fe86592b5f6c0f352f3