[INFO] cloning repository https://github.com/shenshing/blocktest1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shenshing/blocktest1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c43d777ad538a71b99d9b899caa19ae20eed4a0
[INFO] checking shenshing/blocktest1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshenshing%2Fblocktest1" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
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[INFO] validating manifest of git repo https://github.com/shenshing/blocktest1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shenshing/blocktest1
[INFO] finished tweaking git repo https://github.com/shenshing/blocktest1
[INFO] tweaked toml for git repo https://github.com/shenshing/blocktest1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/shenshing/blocktest1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d834f3536b7b3b340474c3278b1ac6e8946ffcc5ed577c277209f215294bf9a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d834f3536b7b3b340474c3278b1ac6e8946ffcc5ed577c277209f215294bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d834f3536b7b3b340474c3278b1ac6e8946ffcc5ed577c277209f215294bf9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d834f3536b7b3b340474c3278b1ac6e8946ffcc5ed577c277209f215294bf9a", kill_on_drop: false }`
[INFO] [stdout] 0d834f3536b7b3b340474c3278b1ac6e8946ffcc5ed577c277209f215294bf9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0596c7bb43ffccee7df343f9f002ca7883bba32ea50bc740dbc6f944fd7c2199
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0596c7bb43ffccee7df343f9f002ca7883bba32ea50bc740dbc6f944fd7c2199", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking crypto-hash v0.3.3
[INFO] [stderr]     Checking v_1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DateTime`, `Utc`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use chrono::{DateTime,Utc};
[INFO] [stdout]    |              ^^^^^^^^ ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]   --> src/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `block__chain` should have an upper camel case name
[INFO] [stdout]    --> src/block.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub struct block__chain<'a,'b>{
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BlockChain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::current_time`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use block::current_time;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::block__chain`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use block::block__chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `person::Person`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use person::Person;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> src/block.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let mut time = String::new();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `st` is never read
[INFO] [stdout]    --> src/block.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let mut st = String::new();
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]    --> src/block.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut totalString1 = format!("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]    --> src/block.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let mut totalString1 = format!("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]    --> src/block.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]    --> src/block.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DateTime`, `Utc`
[INFO] [stdout]   --> src/main.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | use chrono::{DateTime,Utc};
[INFO] [stdout]    |              ^^^^^^^^ ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]   --> src/main.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::{SystemTime,UNIX_EPOCH};
[INFO] [stdout]    |                 ^^^^^^^^^^ ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `block__chain` should have an upper camel case name
[INFO] [stdout]    --> src/block.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 207 | pub struct block__chain<'a,'b>{
[INFO] [stdout]     |            ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `BlockChain`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::current_time`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use block::current_time;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `block::block__chain`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use block::block__chain;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `person::Person`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use person::Person;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/block.rs:313:30
[INFO] [stdout]     |
[INFO] [stdout] 313 |         fn mine_block(&self, block: &[Block]){
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/block.rs:352:26
[INFO] [stdout]     |
[INFO] [stdout] 352 |         fn checking_hash(blocks: &Vec<Block>) -> bool{
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]   --> src/person.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut totalString1 = format!("");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut person1 = block::Person::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut person2 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut person3 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut first_block = Block::genesis_block(&vector_person);
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut person4 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/person.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut value4 =  10;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/person.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Person{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/person.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_instance`
[INFO] [stdout]   --> src/person.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_instance(public_key: String,private_key: String,balance: u64) -> Person{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/person.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn output(&self){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Human`
[INFO] [stdout]   --> src/person.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type Human = Vec<Person>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `human_to_str`
[INFO] [stdout]   --> src/person.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn human_to_str(human:  &Human) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Testing`
[INFO] [stdout]   --> src/person.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Testing{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_instance`
[INFO] [stdout]   --> src/person.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new_instance(vect: Vec<i32>) -> Testing{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/person.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn output(&self){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/person.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_`
[INFO] [stdout]   --> src/person.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn vector_(vector: &Vec<Person>){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]    --> src/block.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |     let mut totalString = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]    --> src/block.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut totalString1 = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]    --> src/block.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |     let mut totalString = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]    --> src/block.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let mut totalString1 = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]   --> src/person.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut totalString = format!("");
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]   --> src/person.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut totalString1 = format!("");
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `time` is never read
[INFO] [stdout]    --> src/block.rs:360:13
[INFO] [stdout]     |
[INFO] [stdout] 360 |         let mut time = String::new();
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `st` is never read
[INFO] [stdout]    --> src/block.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |     let mut st = String::new();
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]    --> src/block.rs:377:9
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut totalString1 = format!("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]    --> src/block.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let mut totalString1 = format!("");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]    --> src/block.rs:283:17
[INFO] [stdout]     |
[INFO] [stdout] 283 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_hash` is never read
[INFO] [stdout]    --> src/block.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |             let mut value_hash: Vec<u8> = Vec::new();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/block.rs:313:30
[INFO] [stdout]     |
[INFO] [stdout] 313 |         fn mine_block(&self, block: &[Block]){
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `blocks`
[INFO] [stdout]    --> src/block.rs:352:26
[INFO] [stdout]     |
[INFO] [stdout] 352 |         fn checking_hash(blocks: &Vec<Block>) -> bool{
[INFO] [stdout]     |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_blocks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `totalString1` is never read
[INFO] [stdout]   --> src/person.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut totalString1 = format!("");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut person1 = block::Person::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut person2 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut person3 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut first_block = Block::genesis_block(&vector_person);
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut person4 = block::Person{
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/person.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut value4 =  10;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]  --> src/person.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Person{
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/person.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new() -> Self{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_instance`
[INFO] [stdout]   --> src/person.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new_instance(public_key: String,private_key: String,balance: u64) -> Person{
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/person.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn output(&self){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Human`
[INFO] [stdout]   --> src/person.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type Human = Vec<Person>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `human_to_str`
[INFO] [stdout]   --> src/person.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn human_to_str(human:  &Human) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Testing`
[INFO] [stdout]   --> src/person.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct Testing{
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_instance`
[INFO] [stdout]   --> src/person.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new_instance(vect: Vec<i32>) -> Testing{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `output`
[INFO] [stdout]   --> src/person.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn output(&self){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]   --> src/person.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn main(){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_`
[INFO] [stdout]   --> src/person.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn vector_(vector: &Vec<Person>){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]    --> src/block.rs:376:13
[INFO] [stdout]     |
[INFO] [stdout] 376 |     let mut totalString = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]    --> src/block.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |     let mut totalString1 = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]    --> src/block.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |     let mut totalString = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]    --> src/block.rs:380:13
[INFO] [stdout]     |
[INFO] [stdout] 380 |     let mut totalString1 = format!("");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString` should have a snake case name
[INFO] [stdout]   --> src/person.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut totalString = format!("");
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `total_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `totalString1` should have a snake case name
[INFO] [stdout]   --> src/person.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut totalString1 = format!("");
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `total_string1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.29s
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0596c7bb43ffccee7df343f9f002ca7883bba32ea50bc740dbc6f944fd7c2199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0596c7bb43ffccee7df343f9f002ca7883bba32ea50bc740dbc6f944fd7c2199", kill_on_drop: false }`
[INFO] [stdout] 0596c7bb43ffccee7df343f9f002ca7883bba32ea50bc740dbc6f944fd7c2199