Oct 21 18:50:09.646 INFO checking collin5/bc-rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 18:50:09.647 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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"`
Oct 21 18:50:10.013 INFO blam! 4ce47379fd8c81fa9eb121cfa3ae3a8aee34c66a429272cc428fb5c6012b8870
Oct 21 18:50:10.015 INFO running `"docker" "start" "-a" "4ce47379fd8c81fa9eb121cfa3ae3a8aee34c66a429272cc428fb5c6012b8870"`
Oct 21 18:50:11.168 INFO kablam! usermod: no changes
Oct 21 18:50:11.286 INFO kablam!     Checking itoa v0.4.0
Oct 21 18:50:11.774 INFO kablam!     Checking serde_json v1.0.12
Oct 21 18:50:14.028 INFO kablam!     Checking blockchain v0.1.0 (/source)
Oct 21 18:50:15.156 INFO kablam! warning: unused import: `std::io`
Oct 21 18:50:15.156 INFO kablam!  --> src/main.rs:4:5
Oct 21 18:50:15.156 INFO kablam!   |
Oct 21 18:50:15.156 INFO kablam! 4 | use std::io;
Oct 21 18:50:15.156 INFO kablam!   |     ^^^^^^^
Oct 21 18:50:15.156 INFO kablam!   |
Oct 21 18:50:15.156 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 18:50:15.156 INFO kablam! 
Oct 21 18:50:15.156 INFO kablam! warning: unused import: `std::io::Write`
Oct 21 18:50:15.156 INFO kablam!  --> src/main.rs:5:5
Oct 21 18:50:15.156 INFO kablam!   |
Oct 21 18:50:15.156 INFO kablam! 5 | use std::io::Write;
Oct 21 18:50:15.156 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 21 18:50:15.156 INFO kablam! 
Oct 21 18:50:15.156 INFO kablam! warning: unused import: `std::process`
Oct 21 18:50:15.156 INFO kablam!  --> src/main.rs:6:5
Oct 21 18:50:15.156 INFO kablam!   |
Oct 21 18:50:15.156 INFO kablam! 6 | use std::process;
Oct 21 18:50:15.156 INFO kablam!   |     ^^^^^^^^^^^^
Oct 21 18:50:15.156 INFO kablam! 
Oct 21 18:50:15.220 INFO kablam! warning: unused import: `std::io`
Oct 21 18:50:15.220 INFO kablam!  --> src/main.rs:4:5
Oct 21 18:50:15.220 INFO kablam!   |
Oct 21 18:50:15.220 INFO kablam! 4 | use std::io;
Oct 21 18:50:15.220 INFO kablam!   |     ^^^^^^^
Oct 21 18:50:15.220 INFO kablam!   |
Oct 21 18:50:15.220 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 21 18:50:15.220 INFO kablam! 
Oct 21 18:50:15.220 INFO kablam! warning: unused import: `std::io::Write`
Oct 21 18:50:15.220 INFO kablam!  --> src/main.rs:5:5
Oct 21 18:50:15.220 INFO kablam!   |
Oct 21 18:50:15.220 INFO kablam! 5 | use std::io::Write;
Oct 21 18:50:15.220 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 21 18:50:15.220 INFO kablam! 
Oct 21 18:50:15.220 INFO kablam! warning: unused import: `std::process`
Oct 21 18:50:15.220 INFO kablam!  --> src/main.rs:6:5
Oct 21 18:50:15.220 INFO kablam!   |
Oct 21 18:50:15.220 INFO kablam! 6 | use std::process;
Oct 21 18:50:15.220 INFO kablam!   |     ^^^^^^^^^^^^
Oct 21 18:50:15.220 INFO kablam! 
Oct 21 18:50:15.439 INFO kablam! warning: struct is never constructed: `Blockheader`
Oct 21 18:50:15.439 INFO kablam!   --> src/blockchain.rs:17:1
Oct 21 18:50:15.440 INFO kablam!    |
Oct 21 18:50:15.440 INFO kablam! 17 | pub struct Blockheader {
Oct 21 18:50:15.440 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.441 INFO kablam!    |
Oct 21 18:50:15.441 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 18:50:15.441 INFO kablam! 
Oct 21 18:50:15.441 INFO kablam! warning: struct is never constructed: `Block`
Oct 21 18:50:15.442 INFO kablam!   --> src/blockchain.rs:26:1
Oct 21 18:50:15.442 INFO kablam!    |
Oct 21 18:50:15.442 INFO kablam! 26 | pub struct Block {
Oct 21 18:50:15.442 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 21 18:50:15.443 INFO kablam! 
Oct 21 18:50:15.443 INFO kablam! warning: struct is never constructed: `Chain`
Oct 21 18:50:15.443 INFO kablam!   --> src/blockchain.rs:32:1
Oct 21 18:50:15.444 INFO kablam!    |
Oct 21 18:50:15.444 INFO kablam! 32 | pub struct Chain {
Oct 21 18:50:15.444 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 21 18:50:15.444 INFO kablam! 
Oct 21 18:50:15.445 INFO kablam! warning: method is never used: `new`
Oct 21 18:50:15.445 INFO kablam!   --> src/blockchain.rs:41:5
Oct 21 18:50:15.445 INFO kablam!    |
Oct 21 18:50:15.445 INFO kablam! 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Oct 21 18:50:15.446 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.446 INFO kablam! 
Oct 21 18:50:15.446 INFO kablam! warning: method is never used: `new_trans`
Oct 21 18:50:15.447 INFO kablam!   --> src/blockchain.rs:53:5
Oct 21 18:50:15.447 INFO kablam!    |
Oct 21 18:50:15.447 INFO kablam! 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Oct 21 18:50:15.447 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.448 INFO kablam! 
Oct 21 18:50:15.448 INFO kablam! warning: method is never used: `last_hash`
Oct 21 18:50:15.448 INFO kablam!   --> src/blockchain.rs:63:5
Oct 21 18:50:15.448 INFO kablam!    |
Oct 21 18:50:15.449 INFO kablam! 63 |     pub fn last_hash(&self) -> String {
Oct 21 18:50:15.449 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.449 INFO kablam! 
Oct 21 18:50:15.450 INFO kablam! warning: method is never used: `update_difficulty`
Oct 21 18:50:15.450 INFO kablam!   --> src/blockchain.rs:71:5
Oct 21 18:50:15.450 INFO kablam!    |
Oct 21 18:50:15.451 INFO kablam! 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Oct 21 18:50:15.451 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.451 INFO kablam! 
Oct 21 18:50:15.452 INFO kablam! warning: method is never used: `update_reward`
Oct 21 18:50:15.452 INFO kablam!   --> src/blockchain.rs:76:5
Oct 21 18:50:15.452 INFO kablam!    |
Oct 21 18:50:15.453 INFO kablam! 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Oct 21 18:50:15.453 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.453 INFO kablam! 
Oct 21 18:50:15.454 INFO kablam! warning: method is never used: `gen_new_block`
Oct 21 18:50:15.454 INFO kablam!   --> src/blockchain.rs:81:5
Oct 21 18:50:15.454 INFO kablam!    |
Oct 21 18:50:15.454 INFO kablam! 81 |     pub fn gen_new_block(&mut self) -> bool {
Oct 21 18:50:15.455 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.455 INFO kablam! 
Oct 21 18:50:15.455 INFO kablam! warning: method is never used: `get_merkle`
Oct 21 18:50:15.456 INFO kablam!    --> src/blockchain.rs:113:5
Oct 21 18:50:15.456 INFO kablam!     |
Oct 21 18:50:15.456 INFO kablam! 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Oct 21 18:50:15.457 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.457 INFO kablam! 
Oct 21 18:50:15.457 INFO kablam! warning: method is never used: `proof_of_work`
Oct 21 18:50:15.458 INFO kablam!    --> src/blockchain.rs:136:5
Oct 21 18:50:15.458 INFO kablam!     |
Oct 21 18:50:15.458 INFO kablam! 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Oct 21 18:50:15.459 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.459 INFO kablam! 
Oct 21 18:50:15.459 INFO kablam! warning: method is never used: `hash`
Oct 21 18:50:15.460 INFO kablam!    --> src/blockchain.rs:156:5
Oct 21 18:50:15.464 INFO kablam!     |
Oct 21 18:50:15.464 INFO kablam! 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Oct 21 18:50:15.465 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.465 INFO kablam! 
Oct 21 18:50:15.465 INFO kablam! warning: method is never used: `hex_to_str`
Oct 21 18:50:15.465 INFO kablam!    --> src/blockchain.rs:165:5
Oct 21 18:50:15.466 INFO kablam!     |
Oct 21 18:50:15.466 INFO kablam! 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Oct 21 18:50:15.466 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.466 INFO kablam! 
Oct 21 18:50:15.492 INFO kablam! warning: struct is never constructed: `Blockheader`
Oct 21 18:50:15.493 INFO kablam!   --> src/blockchain.rs:17:1
Oct 21 18:50:15.493 INFO kablam!    |
Oct 21 18:50:15.493 INFO kablam! 17 | pub struct Blockheader {
Oct 21 18:50:15.494 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.494 INFO kablam!    |
Oct 21 18:50:15.494 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 18:50:15.495 INFO kablam! 
Oct 21 18:50:15.495 INFO kablam! warning: struct is never constructed: `Block`
Oct 21 18:50:15.495 INFO kablam!   --> src/blockchain.rs:26:1
Oct 21 18:50:15.496 INFO kablam!    |
Oct 21 18:50:15.496 INFO kablam! 26 | pub struct Block {
Oct 21 18:50:15.500 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 21 18:50:15.500 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: struct is never constructed: `Chain`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:32:1
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 32 | pub struct Chain {
Oct 21 18:50:15.501 INFO kablam!    | ^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `new`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:41:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `new_trans`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:53:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `last_hash`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:63:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 63 |     pub fn last_hash(&self) -> String {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `update_difficulty`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:71:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `update_reward`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:76:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `gen_new_block`
Oct 21 18:50:15.501 INFO kablam!   --> src/blockchain.rs:81:5
Oct 21 18:50:15.501 INFO kablam!    |
Oct 21 18:50:15.501 INFO kablam! 81 |     pub fn gen_new_block(&mut self) -> bool {
Oct 21 18:50:15.501 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `get_merkle`
Oct 21 18:50:15.501 INFO kablam!    --> src/blockchain.rs:113:5
Oct 21 18:50:15.501 INFO kablam!     |
Oct 21 18:50:15.501 INFO kablam! 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Oct 21 18:50:15.501 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `proof_of_work`
Oct 21 18:50:15.501 INFO kablam!    --> src/blockchain.rs:136:5
Oct 21 18:50:15.501 INFO kablam!     |
Oct 21 18:50:15.501 INFO kablam! 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Oct 21 18:50:15.501 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `hash`
Oct 21 18:50:15.501 INFO kablam!    --> src/blockchain.rs:156:5
Oct 21 18:50:15.501 INFO kablam!     |
Oct 21 18:50:15.501 INFO kablam! 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Oct 21 18:50:15.501 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.501 INFO kablam! warning: method is never used: `hex_to_str`
Oct 21 18:50:15.501 INFO kablam!    --> src/blockchain.rs:165:5
Oct 21 18:50:15.501 INFO kablam!     |
Oct 21 18:50:15.501 INFO kablam! 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Oct 21 18:50:15.501 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 21 18:50:15.501 INFO kablam! 
Oct 21 18:50:15.560 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.36s
Oct 21 18:50:15.560 INFO kablam! su: No module specific data is present
Oct 21 18:50:16.569 INFO running `"docker" "rm" "-f" "4ce47379fd8c81fa9eb121cfa3ae3a8aee34c66a429272cc428fb5c6012b8870"`
Oct 21 18:50:16.860 INFO blam! 4ce47379fd8c81fa9eb121cfa3ae3a8aee34c66a429272cc428fb5c6012b8870