Nov 01 06:54:34.045 INFO checking collin5/bc-rust against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 06:54:34.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 01 06:54:34.673 INFO blam! 10a7498069966efce08483ab1677f0928a712740875a72a156e68126e36b342f
Nov 01 06:54:34.678 INFO running `"docker" "start" "-a" "10a7498069966efce08483ab1677f0928a712740875a72a156e68126e36b342f"`
Nov 01 06:54:36.363 INFO kablam! usermod: no changes
Nov 01 06:54:36.436 INFO kablam!     Checking itoa v0.4.0
Nov 01 06:54:37.092 INFO kablam!     Checking serde_json v1.0.12
Nov 01 06:54:39.496 INFO kablam!     Checking blockchain v0.1.0 (/source)
Nov 01 06:54:41.248 INFO kablam! warning: unused import: `std::io`
Nov 01 06:54:41.248 INFO kablam!  --> src/main.rs:4:5
Nov 01 06:54:41.248 INFO kablam!   |
Nov 01 06:54:41.248 INFO kablam! 4 | use std::io;
Nov 01 06:54:41.248 INFO kablam!   |     ^^^^^^^
Nov 01 06:54:41.248 INFO kablam!   |
Nov 01 06:54:41.248 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 06:54:41.248 INFO kablam! 
Nov 01 06:54:41.248 INFO kablam! warning: unused import: `std::io::Write`
Nov 01 06:54:41.248 INFO kablam!  --> src/main.rs:5:5
Nov 01 06:54:41.248 INFO kablam!   |
Nov 01 06:54:41.248 INFO kablam! 5 | use std::io::Write;
Nov 01 06:54:41.248 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 06:54:41.248 INFO kablam! 
Nov 01 06:54:41.248 INFO kablam! warning: unused import: `std::process`
Nov 01 06:54:41.248 INFO kablam!  --> src/main.rs:6:5
Nov 01 06:54:41.248 INFO kablam!   |
Nov 01 06:54:41.248 INFO kablam! 6 | use std::process;
Nov 01 06:54:41.248 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 06:54:41.248 INFO kablam! 
Nov 01 06:54:41.400 INFO kablam! warning: unused import: `std::io`
Nov 01 06:54:41.400 INFO kablam!  --> src/main.rs:4:5
Nov 01 06:54:41.400 INFO kablam!   |
Nov 01 06:54:41.400 INFO kablam! 4 | use std::io;
Nov 01 06:54:41.400 INFO kablam!   |     ^^^^^^^
Nov 01 06:54:41.400 INFO kablam!   |
Nov 01 06:54:41.400 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 06:54:41.400 INFO kablam! 
Nov 01 06:54:41.400 INFO kablam! warning: unused import: `std::io::Write`
Nov 01 06:54:41.400 INFO kablam!  --> src/main.rs:5:5
Nov 01 06:54:41.400 INFO kablam!   |
Nov 01 06:54:41.400 INFO kablam! 5 | use std::io::Write;
Nov 01 06:54:41.400 INFO kablam!   |     ^^^^^^^^^^^^^^
Nov 01 06:54:41.400 INFO kablam! 
Nov 01 06:54:41.400 INFO kablam! warning: unused import: `std::process`
Nov 01 06:54:41.400 INFO kablam!  --> src/main.rs:6:5
Nov 01 06:54:41.400 INFO kablam!   |
Nov 01 06:54:41.400 INFO kablam! 6 | use std::process;
Nov 01 06:54:41.400 INFO kablam!   |     ^^^^^^^^^^^^
Nov 01 06:54:41.400 INFO kablam! 
Nov 01 06:54:41.464 INFO kablam! warning: struct is never constructed: `Blockheader`
Nov 01 06:54:41.464 INFO kablam!   --> src/blockchain.rs:17:1
Nov 01 06:54:41.464 INFO kablam!    |
Nov 01 06:54:41.464 INFO kablam! 17 | pub struct Blockheader {
Nov 01 06:54:41.464 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: struct is never constructed: `Block`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:26:1
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 26 | pub struct Block {
Nov 01 06:54:41.465 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: struct is never constructed: `Chain`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:32:1
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 32 | pub struct Chain {
Nov 01 06:54:41.465 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `new`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:41:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `new_trans`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:53:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `last_hash`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:63:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 63 |     pub fn last_hash(&self) -> String {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `update_difficulty`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:71:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `update_reward`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:76:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `gen_new_block`
Nov 01 06:54:41.465 INFO kablam!   --> src/blockchain.rs:81:5
Nov 01 06:54:41.465 INFO kablam!    |
Nov 01 06:54:41.465 INFO kablam! 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 01 06:54:41.465 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `get_merkle`
Nov 01 06:54:41.465 INFO kablam!    --> src/blockchain.rs:113:5
Nov 01 06:54:41.465 INFO kablam!     |
Nov 01 06:54:41.465 INFO kablam! 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 01 06:54:41.465 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `proof_of_work`
Nov 01 06:54:41.465 INFO kablam!    --> src/blockchain.rs:136:5
Nov 01 06:54:41.465 INFO kablam!     |
Nov 01 06:54:41.465 INFO kablam! 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 01 06:54:41.465 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `hash`
Nov 01 06:54:41.465 INFO kablam!    --> src/blockchain.rs:156:5
Nov 01 06:54:41.465 INFO kablam!     |
Nov 01 06:54:41.465 INFO kablam! 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 01 06:54:41.465 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.465 INFO kablam! warning: method is never used: `hex_to_str`
Nov 01 06:54:41.465 INFO kablam!    --> src/blockchain.rs:165:5
Nov 01 06:54:41.465 INFO kablam!     |
Nov 01 06:54:41.465 INFO kablam! 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 01 06:54:41.465 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.465 INFO kablam! 
Nov 01 06:54:41.628 INFO kablam! warning: struct is never constructed: `Blockheader`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:17:1
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 17 | pub struct Blockheader {
Nov 01 06:54:41.630 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: struct is never constructed: `Block`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:26:1
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 26 | pub struct Block {
Nov 01 06:54:41.630 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: struct is never constructed: `Chain`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:32:1
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 32 | pub struct Chain {
Nov 01 06:54:41.630 INFO kablam!    | ^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `new`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:41:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 41 |     pub fn new(addr: String, difficulty: u32) -> Chain {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `new_trans`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:53:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 53 |     pub fn new_trans(&mut self, sender: String, reciever: String, amount: f32) -> bool {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `last_hash`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:63:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 63 |     pub fn last_hash(&self) -> String {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `update_difficulty`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:71:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 71 |     pub fn update_difficulty(&mut self, difficulty: u32) -> bool {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `update_reward`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:76:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 76 |     pub fn update_reward(&mut self, reward: f32) -> bool {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `gen_new_block`
Nov 01 06:54:41.630 INFO kablam!   --> src/blockchain.rs:81:5
Nov 01 06:54:41.630 INFO kablam!    |
Nov 01 06:54:41.630 INFO kablam! 81 |     pub fn gen_new_block(&mut self) -> bool {
Nov 01 06:54:41.630 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.630 INFO kablam! warning: method is never used: `get_merkle`
Nov 01 06:54:41.630 INFO kablam!    --> src/blockchain.rs:113:5
Nov 01 06:54:41.630 INFO kablam!     |
Nov 01 06:54:41.630 INFO kablam! 113 |     fn get_merkle(current_trans: Vec<Transation>) -> String {
Nov 01 06:54:41.630 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.630 INFO kablam! 
Nov 01 06:54:41.631 INFO kablam! warning: method is never used: `proof_of_work`
Nov 01 06:54:41.631 INFO kablam!    --> src/blockchain.rs:136:5
Nov 01 06:54:41.631 INFO kablam!     |
Nov 01 06:54:41.631 INFO kablam! 136 |     pub fn proof_of_work(header: &mut Blockheader) {
Nov 01 06:54:41.631 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.631 INFO kablam! 
Nov 01 06:54:41.631 INFO kablam! warning: method is never used: `hash`
Nov 01 06:54:41.631 INFO kablam!    --> src/blockchain.rs:156:5
Nov 01 06:54:41.631 INFO kablam!     |
Nov 01 06:54:41.631 INFO kablam! 156 |     pub fn hash<T: serde::Serialize>(item: &T) -> String {
Nov 01 06:54:41.631 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.631 INFO kablam! 
Nov 01 06:54:41.631 INFO kablam! warning: method is never used: `hex_to_str`
Nov 01 06:54:41.631 INFO kablam!    --> src/blockchain.rs:165:5
Nov 01 06:54:41.631 INFO kablam!     |
Nov 01 06:54:41.631 INFO kablam! 165 |     pub fn hex_to_str(res: &[u8]) -> String {
Nov 01 06:54:41.631 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 06:54:41.631 INFO kablam! 
Nov 01 06:54:41.680 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
Nov 01 06:54:41.680 INFO kablam! su: No module specific data is present
Nov 01 06:54:42.068 INFO running `"docker" "rm" "-f" "10a7498069966efce08483ab1677f0928a712740875a72a156e68126e36b342f"`
Nov 01 06:54:42.212 INFO blam! 10a7498069966efce08483ab1677f0928a712740875a72a156e68126e36b342f