Nov 28 07:33:16.778 INFO checking collin5/bc-rust against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 07:33:16.779 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 07:33:17.165 INFO [stdout] 195e0f566da568067a598fa86780d81ade7677ff1cc2ef4c3e5cdb8ba49590cd
Nov 28 07:33:17.167 INFO running `"docker" "start" "-a" "195e0f566da568067a598fa86780d81ade7677ff1cc2ef4c3e5cdb8ba49590cd"`
Nov 28 07:33:18.094 INFO [stderr] usermod: no changes
Nov 28 07:33:18.264 INFO [stderr]     Checking blockchain v0.1.0 (/source)
Nov 28 07:33:19.709 INFO [stderr] warning: unused import: `std::io`
Nov 28 07:33:19.710 INFO [stderr]  --> src/main.rs:4:5
Nov 28 07:33:19.711 INFO [stderr]   |
Nov 28 07:33:19.711 INFO [stderr] 4 | use std::io;
Nov 28 07:33:19.711 INFO [stderr]   |     ^^^^^^^
Nov 28 07:33:19.712 INFO [stderr]   |
Nov 28 07:33:19.712 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:33:19.712 INFO [stderr] 
Nov 28 07:33:19.712 INFO [stderr] warning: unused import: `std::io::Write`
Nov 28 07:33:19.721 INFO [stderr]  --> src/main.rs:5:5
Nov 28 07:33:19.721 INFO [stderr]   |
Nov 28 07:33:19.721 INFO [stderr] 5 | use std::io::Write;
Nov 28 07:33:19.721 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 07:33:19.722 INFO [stderr] 
Nov 28 07:33:19.722 INFO [stderr] warning: unused import: `std::process`
Nov 28 07:33:19.722 INFO [stderr]  --> src/main.rs:6:5
Nov 28 07:33:19.722 INFO [stderr]   |
Nov 28 07:33:19.723 INFO [stderr] 6 | use std::process;
Nov 28 07:33:19.723 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 07:33:19.723 INFO [stderr] 
Nov 28 07:33:19.837 INFO [stderr] warning: unused import: `std::io`
Nov 28 07:33:19.837 INFO [stderr]  --> src/main.rs:4:5
Nov 28 07:33:19.837 INFO [stderr]   |
Nov 28 07:33:19.838 INFO [stderr] 4 | use std::io;
Nov 28 07:33:19.838 INFO [stderr]   |     ^^^^^^^
Nov 28 07:33:19.838 INFO [stderr]   |
Nov 28 07:33:19.839 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 07:33:19.839 INFO [stderr] 
Nov 28 07:33:19.839 INFO [stderr] warning: unused import: `std::io::Write`
Nov 28 07:33:19.840 INFO [stderr]  --> src/main.rs:5:5
Nov 28 07:33:19.840 INFO [stderr]   |
Nov 28 07:33:19.840 INFO [stderr] 5 | use std::io::Write;
Nov 28 07:33:19.841 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 28 07:33:19.841 INFO [stderr] 
Nov 28 07:33:19.841 INFO [stderr] warning: unused import: `std::process`
Nov 28 07:33:19.842 INFO [stderr]  --> src/main.rs:6:5
Nov 28 07:33:19.842 INFO [stderr]   |
Nov 28 07:33:19.842 INFO [stderr] 6 | use std::process;
Nov 28 07:33:19.843 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 07:33:19.843 INFO [stderr] 
Nov 28 07:33:20.069 INFO [stderr] warning: struct is never constructed: `Blockheader`
Nov 28 07:33:20.069 INFO [stderr]   --> src/blockchain.rs:17:1
Nov 28 07:33:20.069 INFO [stderr]    |
Nov 28 07:33:20.069 INFO [stderr] 17 | pub struct Blockheader {
Nov 28 07:33:20.070 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.077 INFO [stderr]    |
Nov 28 07:33:20.077 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 07:33:20.077 INFO [stderr] 
Nov 28 07:33:20.078 INFO [stderr] warning: struct is never constructed: `Block`
Nov 28 07:33:20.078 INFO [stderr]   --> src/blockchain.rs:26:1
Nov 28 07:33:20.078 INFO [stderr]    |
Nov 28 07:33:20.078 INFO [stderr] 26 | pub struct Block {
Nov 28 07:33:20.079 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 07:33:20.079 INFO [stderr] 
Nov 28 07:33:20.079 INFO [stderr] warning: struct is never constructed: `Chain`
Nov 28 07:33:20.079 INFO [stderr]   --> src/blockchain.rs:32:1
Nov 28 07:33:20.080 INFO [stderr]    |
Nov 28 07:33:20.080 INFO [stderr] 32 | pub struct Chain {
Nov 28 07:33:20.080 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 07:33:20.080 INFO [stderr] 
Nov 28 07:33:20.081 INFO [stderr] warning: method is never used: `new`
Nov 28 07:33:20.081 INFO [stderr]   --> src/blockchain.rs:41:5
Nov 28 07:33:20.081 INFO [stderr]    |
Nov 28 07:33:20.081 INFO [stderr] 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 28 07:33:20.082 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.082 INFO [stderr] 
Nov 28 07:33:20.082 INFO [stderr] warning: method is never used: `new_trans`
Nov 28 07:33:20.082 INFO [stderr]   --> src/blockchain.rs:53:5
Nov 28 07:33:20.083 INFO [stderr]    |
Nov 28 07:33:20.083 INFO [stderr] 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 28 07:33:20.083 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.083 INFO [stderr] 
Nov 28 07:33:20.084 INFO [stderr] warning: method is never used: `last_hash`
Nov 28 07:33:20.084 INFO [stderr]   --> src/blockchain.rs:63:5
Nov 28 07:33:20.084 INFO [stderr]    |
Nov 28 07:33:20.084 INFO [stderr] 63 |     pub fn last_hash(&self) -> String {
Nov 28 07:33:20.085 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.085 INFO [stderr] 
Nov 28 07:33:20.085 INFO [stderr] warning: method is never used: `update_difficulty`
Nov 28 07:33:20.086 INFO [stderr]   --> src/blockchain.rs:71:5
Nov 28 07:33:20.086 INFO [stderr]    |
Nov 28 07:33:20.086 INFO [stderr] 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 28 07:33:20.086 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.087 INFO [stderr] 
Nov 28 07:33:20.087 INFO [stderr] warning: method is never used: `update_reward`
Nov 28 07:33:20.087 INFO [stderr]   --> src/blockchain.rs:76:5
Nov 28 07:33:20.087 INFO [stderr]    |
Nov 28 07:33:20.088 INFO [stderr] 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 28 07:33:20.088 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.088 INFO [stderr] 
Nov 28 07:33:20.088 INFO [stderr] warning: method is never used: `gen_new_block`
Nov 28 07:33:20.089 INFO [stderr]   --> src/blockchain.rs:81:5
Nov 28 07:33:20.089 INFO [stderr]    |
Nov 28 07:33:20.089 INFO [stderr] 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 28 07:33:20.089 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.090 INFO [stderr] 
Nov 28 07:33:20.090 INFO [stderr] warning: method is never used: `get_merkle`
Nov 28 07:33:20.090 INFO [stderr]    --> src/blockchain.rs:113:5
Nov 28 07:33:20.090 INFO [stderr]     |
Nov 28 07:33:20.091 INFO [stderr] 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 28 07:33:20.091 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.091 INFO [stderr] 
Nov 28 07:33:20.091 INFO [stderr] warning: method is never used: `proof_of_work`
Nov 28 07:33:20.092 INFO [stderr]    --> src/blockchain.rs:136:5
Nov 28 07:33:20.092 INFO [stderr]     |
Nov 28 07:33:20.100 INFO [stderr] 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 28 07:33:20.101 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.101 INFO [stderr] 
Nov 28 07:33:20.101 INFO [stderr] warning: method is never used: `hash`
Nov 28 07:33:20.101 INFO [stderr]    --> src/blockchain.rs:156:5
Nov 28 07:33:20.102 INFO [stderr]     |
Nov 28 07:33:20.102 INFO [stderr] 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 28 07:33:20.102 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.102 INFO [stderr] 
Nov 28 07:33:20.103 INFO [stderr] warning: method is never used: `hex_to_str`
Nov 28 07:33:20.103 INFO [stderr]    --> src/blockchain.rs:165:5
Nov 28 07:33:20.103 INFO [stderr]     |
Nov 28 07:33:20.103 INFO [stderr] 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 28 07:33:20.104 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.104 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: struct is never constructed: `Blockheader`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:17:1
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 17 | pub struct Blockheader {
Nov 28 07:33:20.244 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 07:33:20.244 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: struct is never constructed: `Block`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:26:1
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 26 | pub struct Block {
Nov 28 07:33:20.244 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 07:33:20.244 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: struct is never constructed: `Chain`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:32:1
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 32 | pub struct Chain {
Nov 28 07:33:20.244 INFO [stderr]    | ^^^^^^^^^^^^^^^^
Nov 28 07:33:20.244 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: method is never used: `new`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:41:5
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 28 07:33:20.244 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.244 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: method is never used: `new_trans`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:53:5
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 28 07:33:20.244 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.244 INFO [stderr] 
Nov 28 07:33:20.244 INFO [stderr] warning: method is never used: `last_hash`
Nov 28 07:33:20.244 INFO [stderr]   --> src/blockchain.rs:63:5
Nov 28 07:33:20.244 INFO [stderr]    |
Nov 28 07:33:20.244 INFO [stderr] 63 |     pub fn last_hash(&self) -> String {
Nov 28 07:33:20.245 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `update_difficulty`
Nov 28 07:33:20.245 INFO [stderr]   --> src/blockchain.rs:71:5
Nov 28 07:33:20.245 INFO [stderr]    |
Nov 28 07:33:20.245 INFO [stderr] 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 28 07:33:20.245 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `update_reward`
Nov 28 07:33:20.245 INFO [stderr]   --> src/blockchain.rs:76:5
Nov 28 07:33:20.245 INFO [stderr]    |
Nov 28 07:33:20.245 INFO [stderr] 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 28 07:33:20.245 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `gen_new_block`
Nov 28 07:33:20.245 INFO [stderr]   --> src/blockchain.rs:81:5
Nov 28 07:33:20.245 INFO [stderr]    |
Nov 28 07:33:20.245 INFO [stderr] 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 28 07:33:20.245 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `get_merkle`
Nov 28 07:33:20.245 INFO [stderr]    --> src/blockchain.rs:113:5
Nov 28 07:33:20.245 INFO [stderr]     |
Nov 28 07:33:20.245 INFO [stderr] 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 28 07:33:20.245 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `proof_of_work`
Nov 28 07:33:20.245 INFO [stderr]    --> src/blockchain.rs:136:5
Nov 28 07:33:20.245 INFO [stderr]     |
Nov 28 07:33:20.245 INFO [stderr] 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 28 07:33:20.245 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `hash`
Nov 28 07:33:20.245 INFO [stderr]    --> src/blockchain.rs:156:5
Nov 28 07:33:20.245 INFO [stderr]     |
Nov 28 07:33:20.245 INFO [stderr] 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 28 07:33:20.245 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.245 INFO [stderr] warning: method is never used: `hex_to_str`
Nov 28 07:33:20.245 INFO [stderr]    --> src/blockchain.rs:165:5
Nov 28 07:33:20.245 INFO [stderr]     |
Nov 28 07:33:20.245 INFO [stderr] 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 28 07:33:20.245 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:33:20.245 INFO [stderr] 
Nov 28 07:33:20.269 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
Nov 28 07:33:20.308 INFO [stderr] su: No module specific data is present
Nov 28 07:33:20.936 INFO running `"docker" "inspect" "195e0f566da568067a598fa86780d81ade7677ff1cc2ef4c3e5cdb8ba49590cd"`
Nov 28 07:33:21.228 INFO running `"docker" "rm" "-f" "195e0f566da568067a598fa86780d81ade7677ff1cc2ef4c3e5cdb8ba49590cd"`
Nov 28 07:33:21.448 INFO [stdout] 195e0f566da568067a598fa86780d81ade7677ff1cc2ef4c3e5cdb8ba49590cd