[INFO] cloning repository https://github.com/kisia0916/block-chain-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kisia0916/block-chain-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisia0916%2Fblock-chain-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisia0916%2Fblock-chain-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ceb23c5d9377682963eed55bd7b7c03b3c9b486
[INFO] testing kisia0916/block-chain-demo against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisia0916%2Fblock-chain-demo" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kisia0916/block-chain-demo on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kisia0916/block-chain-demo
[INFO] finished tweaking git repo https://github.com/kisia0916/block-chain-demo
[INFO] tweaked toml for git repo https://github.com/kisia0916/block-chain-demo written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kisia0916/block-chain-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16cb359becc661381811677e3845eef58e2e6d2075a1788412aa46866b184829
[INFO] running `Command { std: "docker" "start" "-a" "16cb359becc661381811677e3845eef58e2e6d2075a1788412aa46866b184829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16cb359becc661381811677e3845eef58e2e6d2075a1788412aa46866b184829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cb359becc661381811677e3845eef58e2e6d2075a1788412aa46866b184829", kill_on_drop: false }`
[INFO] [stdout] 16cb359becc661381811677e3845eef58e2e6d2075a1788412aa46866b184829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42da0110cd09b9de9fa52fdc13a43b4cf3411484249c15ffda3203abd9dd8fd8
[INFO] running `Command { std: "docker" "start" "-a" "42da0110cd09b9de9fa52fdc13a43b4cf3411484249c15ffda3203abd9dd8fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-chain-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `node_com` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct node_com {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `NodeCom`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `minor` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct minor {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Minor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `system_user` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct system_user {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SystemUser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sys_list` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct sys_list {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case: `SysList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_sys`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_sys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[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: fields `id`, `ledger`, and `pool` are never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct node_com {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 6 |     id:String,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     ledger:Vec<String>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     pool:Vec<String>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `node_com` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct minor {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     id:String
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `minor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct system_user {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 16 |     id:String
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `system_user` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_com_list`, `minor_list`, and `system_user_list` are never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct sys_list {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 20 |     node_com_list:Vec<node_com>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 21 |     minor_list:Vec<minor>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     system_user_list:Vec<system_user>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `sys_list` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "42da0110cd09b9de9fa52fdc13a43b4cf3411484249c15ffda3203abd9dd8fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42da0110cd09b9de9fa52fdc13a43b4cf3411484249c15ffda3203abd9dd8fd8", kill_on_drop: false }`
[INFO] [stdout] 42da0110cd09b9de9fa52fdc13a43b4cf3411484249c15ffda3203abd9dd8fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf9145305755c4a77820378fc1fe9d876bc99a72e94f8ef327a7c62759957ead
[INFO] running `Command { std: "docker" "start" "-a" "cf9145305755c4a77820378fc1fe9d876bc99a72e94f8ef327a7c62759957ead", kill_on_drop: false }`
[INFO] [stderr]    Compiling block-chain-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `node_com` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct node_com {
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `NodeCom`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `minor` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct minor {
[INFO] [stdout]    |        ^^^^^ help: convert the identifier to upper camel case: `Minor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `system_user` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct system_user {
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SystemUser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `sys_list` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct sys_list {
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to upper camel case: `SysList`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_sys`
[INFO] [stdout]   --> src/main.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_sys`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[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: fields `id`, `ledger`, and `pool` are never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct node_com {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 6 |     id:String,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     ledger:Vec<String>,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     pool:Vec<String>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `node_com` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct minor {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 12 |     id:String
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `minor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct system_user {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 16 |     id:String
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `system_user` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `node_com_list`, `minor_list`, and `system_user_list` are never read
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct sys_list {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 20 |     node_com_list:Vec<node_com>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 21 |     minor_list:Vec<minor>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 22 |     system_user_list:Vec<system_user>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `sys_list` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "cf9145305755c4a77820378fc1fe9d876bc99a72e94f8ef327a7c62759957ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9145305755c4a77820378fc1fe9d876bc99a72e94f8ef327a7c62759957ead", kill_on_drop: false }`
[INFO] [stdout] cf9145305755c4a77820378fc1fe9d876bc99a72e94f8ef327a7c62759957ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 501c3c19d31c620181e87e291199f499b2604f2d2bda547acf0395a4afb800d4
[INFO] running `Command { std: "docker" "start" "-a" "501c3c19d31c620181e87e291199f499b2604f2d2bda547acf0395a4afb800d4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::num;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `node_com` should have an upper camel case name
[INFO] [stderr]  --> src/main.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct node_com {
[INFO] [stderr]   |        ^^^^^^^^ help: convert the identifier to upper camel case: `NodeCom`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `minor` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct minor {
[INFO] [stderr]    |        ^^^^^ help: convert the identifier to upper camel case: `Minor`
[INFO] [stderr] 
[INFO] [stderr] warning: type `system_user` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct system_user {
[INFO] [stderr]    |        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SystemUser`
[INFO] [stderr] 
[INFO] [stderr] warning: type `sys_list` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct sys_list {
[INFO] [stderr]    |        ^^^^^^^^ help: convert the identifier to upper camel case: `SysList`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `main_sys`
[INFO] [stderr]   --> src/main.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[INFO] [stderr]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_sys`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut main_sys = init_system(&node_num,&minor_num,&system_user_num);
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `ledger`, and `pool` are never read
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct node_com {
[INFO] [stderr]   |        -------- fields in this struct
[INFO] [stderr] 6 |     id:String,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 7 |     ledger:Vec<String>,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 8 |     pool:Vec<String>
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `node_com` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct minor {
[INFO] [stderr]    |        ----- field in this struct
[INFO] [stderr] 12 |     id:String
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `minor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct system_user {
[INFO] [stderr]    |        ----------- field in this struct
[INFO] [stderr] 16 |     id:String
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `system_user` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `node_com_list`, `minor_list`, and `system_user_list` are never read
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct sys_list {
[INFO] [stderr]    |        -------- fields in this struct
[INFO] [stderr] 20 |     node_com_list:Vec<node_com>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 21 |     minor_list:Vec<minor>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 22 |     system_user_list:Vec<system_user>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `sys_list` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `block-chain-demo` (bin "block-chain-demo" test) generated 11 warnings (run `cargo fix --bin "block-chain-demo" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/block_chain_demo-4417c85812e63a4a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "501c3c19d31c620181e87e291199f499b2604f2d2bda547acf0395a4afb800d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501c3c19d31c620181e87e291199f499b2604f2d2bda547acf0395a4afb800d4", kill_on_drop: false }`
[INFO] [stdout] 501c3c19d31c620181e87e291199f499b2604f2d2bda547acf0395a4afb800d4