Dec 05 01:49:41.200 INFO checking JosephFerano/a03 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:49:41.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 01:49:41.535 INFO [stdout] 42bfc0aefe26578d8900f5b36063ae49e52f5ceb9ebeb8452623139ba5601fa8
Dec 05 01:49:41.541 INFO running `"docker" "start" "-a" "42bfc0aefe26578d8900f5b36063ae49e52f5ceb9ebeb8452623139ba5601fa8"`
Dec 05 01:49:42.161 INFO [stderr] usermod: no changes
Dec 05 01:49:42.252 INFO [stderr]    Compiling libsqlite3-sys v0.10.0
Dec 05 01:49:43.939 INFO [stderr]     Checking rusqlite v0.15.0
Dec 05 01:49:45.239 INFO [stderr]     Checking a03 v0.1.0 (/source)
Dec 05 01:49:45.979 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 01:49:45.979 INFO [stderr]  --> src/lib.rs:7:5
Dec 05 01:49:45.979 INFO [stderr]   |
Dec 05 01:49:45.979 INFO [stderr] 7 | use std::net::Ipv4Addr;
Dec 05 01:49:45.979 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 01:49:45.979 INFO [stderr]   |
Dec 05 01:49:45.979 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:45.979 INFO [stderr] 
Dec 05 01:49:46.321 INFO [stderr] warning: unused import: `std::net::Ipv4Addr`
Dec 05 01:49:46.321 INFO [stderr]  --> src/lib.rs:7:5
Dec 05 01:49:46.321 INFO [stderr]   |
Dec 05 01:49:46.321 INFO [stderr] 7 | use std::net::Ipv4Addr;
Dec 05 01:49:46.321 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 05 01:49:46.321 INFO [stderr]   |
Dec 05 01:49:46.321 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:46.321 INFO [stderr] 
Dec 05 01:49:51.407 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:51.407 INFO [stderr]  --> src/bin/data_node.rs:4:1
Dec 05 01:49:51.407 INFO [stderr]   |
Dec 05 01:49:51.407 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:51.407 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:51.407 INFO [stderr]   |
Dec 05 01:49:51.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:51.407 INFO [stderr] 
Dec 05 01:49:51.407 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:51.407 INFO [stderr]  --> src/bin/data_node.rs:9:5
Dec 05 01:49:51.407 INFO [stderr]   |
Dec 05 01:49:51.407 INFO [stderr] 9 | use std::thread;
Dec 05 01:49:51.407 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 01:49:51.407 INFO [stderr] 
Dec 05 01:49:51.407 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:51.407 INFO [stderr]   --> src/bin/data_node.rs:10:5
Dec 05 01:49:51.407 INFO [stderr]    |
Dec 05 01:49:51.407 INFO [stderr] 10 | use std::io::Read;
Dec 05 01:49:51.407 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:51.407 INFO [stderr] 
Dec 05 01:49:51.498 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:51.498 INFO [stderr]  --> src/bin/copy.rs:4:1
Dec 05 01:49:51.498 INFO [stderr]   |
Dec 05 01:49:51.498 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:51.498 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:51.517 INFO [stderr]   |
Dec 05 01:49:51.517 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:51.517 INFO [stderr] 
Dec 05 01:49:51.517 INFO [stderr] warning: unused import: `a03::*`
Dec 05 01:49:51.517 INFO [stderr]  --> src/bin/copy.rs:7:5
Dec 05 01:49:51.517 INFO [stderr]   |
Dec 05 01:49:51.517 INFO [stderr] 7 | use a03::*;
Dec 05 01:49:51.517 INFO [stderr]   |     ^^^^^^
Dec 05 01:49:51.517 INFO [stderr] 
Dec 05 01:49:51.517 INFO [stderr] warning: unused imports: `Shutdown`, `TcpListener`, `TcpStream`
Dec 05 01:49:51.517 INFO [stderr]  --> src/bin/copy.rs:8:16
Dec 05 01:49:51.517 INFO [stderr]   |
Dec 05 01:49:51.517 INFO [stderr] 8 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 05 01:49:51.517 INFO [stderr]   |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
Dec 05 01:49:51.517 INFO [stderr] 
Dec 05 01:49:51.517 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:51.517 INFO [stderr]  --> src/bin/copy.rs:9:5
Dec 05 01:49:51.517 INFO [stderr]   |
Dec 05 01:49:51.517 INFO [stderr] 9 | use std::thread;
Dec 05 01:49:51.517 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 01:49:51.517 INFO [stderr] 
Dec 05 01:49:51.517 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:51.517 INFO [stderr]   --> src/bin/copy.rs:10:5
Dec 05 01:49:51.517 INFO [stderr]    |
Dec 05 01:49:51.517 INFO [stderr] 10 | use std::io::Read;
Dec 05 01:49:51.517 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:51.517 INFO [stderr] 
Dec 05 01:49:51.526 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:51.526 INFO [stderr]  --> src/bin/ls.rs:4:1
Dec 05 01:49:51.526 INFO [stderr]   |
Dec 05 01:49:51.526 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:51.526 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:51.526 INFO [stderr]   |
Dec 05 01:49:51.526 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:51.526 INFO [stderr] 
Dec 05 01:49:51.526 INFO [stderr] warning: unused import: `TcpListener`
Dec 05 01:49:51.526 INFO [stderr]  --> src/bin/ls.rs:8:16
Dec 05 01:49:51.526 INFO [stderr]   |
Dec 05 01:49:51.526 INFO [stderr] 8 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 05 01:49:51.526 INFO [stderr]   |                ^^^^^^^^^^^
Dec 05 01:49:51.526 INFO [stderr] 
Dec 05 01:49:51.526 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 05 01:49:51.526 INFO [stderr]  --> src/bin/ls.rs:9:5
Dec 05 01:49:51.526 INFO [stderr]   |
Dec 05 01:49:51.526 INFO [stderr] 9 | use std::borrow::Cow;
Dec 05 01:49:51.526 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 05 01:49:51.526 INFO [stderr] 
Dec 05 01:49:51.526 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:51.526 INFO [stderr]   --> src/bin/ls.rs:10:5
Dec 05 01:49:51.526 INFO [stderr]    |
Dec 05 01:49:51.526 INFO [stderr] 10 | use std::thread;
Dec 05 01:49:51.526 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 01:49:51.526 INFO [stderr] 
Dec 05 01:49:51.526 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:51.526 INFO [stderr]   --> src/bin/ls.rs:11:5
Dec 05 01:49:51.526 INFO [stderr]    |
Dec 05 01:49:51.526 INFO [stderr] 11 | use std::io::Read;
Dec 05 01:49:51.526 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:51.526 INFO [stderr] 
Dec 05 01:49:51.612 INFO [stderr] warning: unused variable: `stream`
Dec 05 01:49:51.612 INFO [stderr]   --> src/bin/data_node.rs:47:13
Dec 05 01:49:51.612 INFO [stderr]    |
Dec 05 01:49:51.612 INFO [stderr] 47 | fn shutdown(stream: &mut TcpStream) {
Dec 05 01:49:51.612 INFO [stderr]    |             ^^^^^^ help: consider using `_stream` instead
Dec 05 01:49:51.612 INFO [stderr]    |
Dec 05 01:49:51.612 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:49:51.612 INFO [stderr] 
Dec 05 01:49:51.659 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:49:51.659 INFO [stderr]   --> src/bin/copy.rs:16:9
Dec 05 01:49:51.659 INFO [stderr]    |
Dec 05 01:49:51.659 INFO [stderr] 16 |     let mut file = fs::read("dfs.db").unwrap();
Dec 05 01:49:51.659 INFO [stderr]    |         ----^^^^
Dec 05 01:49:51.659 INFO [stderr]    |         |
Dec 05 01:49:51.659 INFO [stderr]    |         help: remove this `mut`
Dec 05 01:49:51.671 INFO [stderr]    |
Dec 05 01:49:51.671 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:49:51.671 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:51.927 INFO [stderr]  --> src/bin/ls.rs:4:1
Dec 05 01:49:51.927 INFO [stderr]   |
Dec 05 01:49:51.927 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:51.927 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:51.927 INFO [stderr]   |
Dec 05 01:49:51.927 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:51.927 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused import: `TcpListener`
Dec 05 01:49:51.927 INFO [stderr]  --> src/bin/ls.rs:8:16
Dec 05 01:49:51.927 INFO [stderr]   |
Dec 05 01:49:51.927 INFO [stderr] 8 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 05 01:49:51.927 INFO [stderr]   |                ^^^^^^^^^^^
Dec 05 01:49:51.927 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused import: `std::borrow::Cow`
Dec 05 01:49:51.927 INFO [stderr]  --> src/bin/ls.rs:9:5
Dec 05 01:49:51.927 INFO [stderr]   |
Dec 05 01:49:51.927 INFO [stderr] 9 | use std::borrow::Cow;
Dec 05 01:49:51.927 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 05 01:49:51.927 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:51.927 INFO [stderr]   --> src/bin/ls.rs:10:5
Dec 05 01:49:51.927 INFO [stderr]    |
Dec 05 01:49:51.927 INFO [stderr] 10 | use std::thread;
Dec 05 01:49:51.927 INFO [stderr]    |     ^^^^^^^^^^^
Dec 05 01:49:51.927 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:51.927 INFO [stderr]   --> src/bin/ls.rs:11:5
Dec 05 01:49:51.927 INFO [stderr]    |
Dec 05 01:49:51.927 INFO [stderr] 11 | use std::io::Read;
Dec 05 01:49:51.927 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:51.927 INFO [stderr] 
Dec 05 01:49:51.927 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:51.927 INFO [stderr]  --> src/bin/copy.rs:4:1
Dec 05 01:49:51.927 INFO [stderr]   |
Dec 05 01:49:51.927 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:51.927 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:51.947 INFO [stderr]   |
Dec 05 01:49:51.947 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:51.947 INFO [stderr] 
Dec 05 01:49:51.947 INFO [stderr] warning: unused import: `a03::*`
Dec 05 01:49:51.947 INFO [stderr]  --> src/bin/copy.rs:7:5
Dec 05 01:49:51.947 INFO [stderr]   |
Dec 05 01:49:51.947 INFO [stderr] 7 | use a03::*;
Dec 05 01:49:51.947 INFO [stderr]   |     ^^^^^^
Dec 05 01:49:51.947 INFO [stderr] 
Dec 05 01:49:51.947 INFO [stderr] warning: unused imports: `Shutdown`, `TcpListener`, `TcpStream`
Dec 05 01:49:51.947 INFO [stderr]  --> src/bin/copy.rs:8:16
Dec 05 01:49:51.947 INFO [stderr]   |
Dec 05 01:49:51.947 INFO [stderr] 8 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 05 01:49:51.947 INFO [stderr]   |                ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
Dec 05 01:49:51.947 INFO [stderr] 
Dec 05 01:49:51.947 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:51.947 INFO [stderr]  --> src/bin/copy.rs:9:5
Dec 05 01:49:51.947 INFO [stderr]   |
Dec 05 01:49:51.947 INFO [stderr] 9 | use std::thread;
Dec 05 01:49:51.947 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 01:49:51.947 INFO [stderr] 
Dec 05 01:49:51.947 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:51.947 INFO [stderr]   --> src/bin/copy.rs:10:5
Dec 05 01:49:51.947 INFO [stderr]    |
Dec 05 01:49:51.947 INFO [stderr] 10 | use std::io::Read;
Dec 05 01:49:51.947 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:51.947 INFO [stderr] 
Dec 05 01:49:52.035 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:49:52.035 INFO [stderr]   --> src/bin/copy.rs:16:9
Dec 05 01:49:52.035 INFO [stderr]    |
Dec 05 01:49:52.035 INFO [stderr] 16 |     let mut file = fs::read("dfs.db").unwrap();
Dec 05 01:49:52.035 INFO [stderr]    |         ----^^^^
Dec 05 01:49:52.035 INFO [stderr]    |         |
Dec 05 01:49:52.035 INFO [stderr]    |         help: remove this `mut`
Dec 05 01:49:52.051 INFO [stderr]    |
Dec 05 01:49:52.051 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 01:49:52.051 INFO [stderr] 
Dec 05 01:49:52.200 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 01:49:52.200 INFO [stderr]  --> src/bin/data_node.rs:4:1
Dec 05 01:49:52.200 INFO [stderr]   |
Dec 05 01:49:52.200 INFO [stderr] 4 | #[macro_use]
Dec 05 01:49:52.200 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 01:49:52.200 INFO [stderr]   |
Dec 05 01:49:52.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:49:52.200 INFO [stderr] 
Dec 05 01:49:52.200 INFO [stderr] warning: unused import: `std::thread`
Dec 05 01:49:52.200 INFO [stderr]  --> src/bin/data_node.rs:9:5
Dec 05 01:49:52.200 INFO [stderr]   |
Dec 05 01:49:52.200 INFO [stderr] 9 | use std::thread;
Dec 05 01:49:52.200 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 01:49:52.200 INFO [stderr] 
Dec 05 01:49:52.200 INFO [stderr] warning: unused import: `std::io::Read`
Dec 05 01:49:52.200 INFO [stderr]   --> src/bin/data_node.rs:10:5
Dec 05 01:49:52.200 INFO [stderr]    |
Dec 05 01:49:52.200 INFO [stderr] 10 | use std::io::Read;
Dec 05 01:49:52.200 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 05 01:49:52.200 INFO [stderr] 
Dec 05 01:49:52.271 INFO [stderr] warning: unused variable: `stream`
Dec 05 01:49:52.271 INFO [stderr]   --> src/bin/data_node.rs:47:13
Dec 05 01:49:52.271 INFO [stderr]    |
Dec 05 01:49:52.271 INFO [stderr] 47 | fn shutdown(stream: &mut TcpStream) {
Dec 05 01:49:52.271 INFO [stderr]    |             ^^^^^^ help: consider using `_stream` instead
Dec 05 01:49:52.271 INFO [stderr]    |
Dec 05 01:49:52.271 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:49:52.271 INFO [stderr] 
Dec 05 01:49:52.495 INFO [stderr] warning: unused variable: `files`
Dec 05 01:49:52.495 INFO [stderr]   --> src/bin/meta_data.rs:52:9
Dec 05 01:49:52.495 INFO [stderr]    |
Dec 05 01:49:52.495 INFO [stderr] 52 |     let files: PutFiles = serde_json::from_str(json).unwrap();
Dec 05 01:49:52.495 INFO [stderr]    |         ^^^^^ help: consider using `_files` instead
Dec 05 01:49:52.511 INFO [stderr]    |
Dec 05 01:49:52.511 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.511 INFO [stderr] warning: unused variable: `files`
Dec 05 01:49:52.511 INFO [stderr]   --> src/bin/meta_data.rs:51:47
Dec 05 01:49:52.511 INFO [stderr]    |
Dec 05 01:49:52.511 INFO [stderr] 51 | fn put(stream: &mut TcpStream, json: &String, files: &mut Vec<String>) {
Dec 05 01:49:52.511 INFO [stderr]    |                                               ^^^^^ help: consider using `_files` instead
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.511 INFO [stderr] warning: unused variable: `stmt`
Dec 05 01:49:52.511 INFO [stderr]    --> src/bin/meta_data.rs:147:13
Dec 05 01:49:52.511 INFO [stderr]     |
Dec 05 01:49:52.511 INFO [stderr] 147 |     let mut stmt = conn.prepare("SELECT address, port FROM dnode WHERE 1");
Dec 05 01:49:52.511 INFO [stderr]     |             ^^^^ help: consider using `_stmt` instead
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.511 INFO [stderr] warning: unused variable: `stmt`
Dec 05 01:49:52.511 INFO [stderr]    --> src/bin/meta_data.rs:151:13
Dec 05 01:49:52.511 INFO [stderr]     |
Dec 05 01:49:52.511 INFO [stderr] 151 |     let mut stmt = conn.prepare("INSERT INTO inode (fname, fsize) VALUES (\"?1\", ?2)");
Dec 05 01:49:52.511 INFO [stderr]     |             ^^^^ help: consider using `_stmt` instead
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.511 INFO [stderr] warning: unused variable: `fname`
Dec 05 01:49:52.511 INFO [stderr]    --> src/bin/meta_data.rs:150:35
Dec 05 01:49:52.511 INFO [stderr]     |
Dec 05 01:49:52.511 INFO [stderr] 150 | fn insert_file(conn: &Connection, fname: String, fsize: usize) {
Dec 05 01:49:52.511 INFO [stderr]     |                                   ^^^^^ help: consider using `_fname` instead
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.511 INFO [stderr] warning: unused variable: `fsize`
Dec 05 01:49:52.511 INFO [stderr]    --> src/bin/meta_data.rs:150:50
Dec 05 01:49:52.511 INFO [stderr]     |
Dec 05 01:49:52.511 INFO [stderr] 150 | fn insert_file(conn: &Connection, fname: String, fsize: usize) {
Dec 05 01:49:52.511 INFO [stderr]     |                                                  ^^^^^ help: consider using `_fsize` instead
Dec 05 01:49:52.511 INFO [stderr] 
Dec 05 01:49:52.543 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:49:52.543 INFO [stderr]    --> src/bin/meta_data.rs:147:9
Dec 05 01:49:52.543 INFO [stderr]     |
Dec 05 01:49:52.543 INFO [stderr] 147 |     let mut stmt = conn.prepare("SELECT address, port FROM dnode WHERE 1");
Dec 05 01:49:52.543 INFO [stderr]     |         ----^^^^
Dec 05 01:49:52.543 INFO [stderr]     |         |
Dec 05 01:49:52.543 INFO [stderr]     |         help: remove this `mut`
Dec 05 01:49:52.543 INFO [stderr]     |
Dec 05 01:49:52.543 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 01:49:52.543 INFO [stderr] 
Dec 05 01:49:52.543 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:49:52.543 INFO [stderr]    --> src/bin/meta_data.rs:151:9
Dec 05 01:49:52.543 INFO [stderr]     |
Dec 05 01:49:52.543 INFO [stderr] 151 |     let mut stmt = conn.prepare("INSERT INTO inode (fname, fsize) VALUES (\"?1\", ?2)");
Dec 05 01:49:52.543 INFO [stderr]     |         ----^^^^
Dec 05 01:49:52.543 INFO [stderr]     |         |
Dec 05 01:49:52.543 INFO [stderr]     |         help: remove this `mut`
Dec 05 01:49:52.543 INFO [stderr] 
Dec 05 01:49:52.543 INFO [stderr] warning: function is never used: `create_tables`
Dec 05 01:49:52.543 INFO [stderr]   --> src/bin/meta_data.rs:94:1
Dec 05 01:49:52.543 INFO [stderr]    |
Dec 05 01:49:52.543 INFO [stderr] 94 | fn create_tables(conn: &Connection) {
Dec 05 01:49:52.543 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:49:52.543 INFO [stderr]    |
Dec 05 01:49:52.543 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 01:49:52.543 INFO [stderr] 
Dec 05 01:49:52.543 INFO [stderr] warning: function is never used: `add_data_node`
Dec 05 01:49:52.543 INFO [stderr]    --> src/bin/meta_data.rs:125:1
Dec 05 01:49:52.543 INFO [stderr]     |
Dec 05 01:49:52.543 INFO [stderr] 125 | fn add_data_node(conn: &Connection, address: &str, port: i32) {
Dec 05 01:49:52.543 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:49:52.543 INFO [stderr] 
Dec 05 01:49:52.543 INFO [stderr] warning: function is never used: `check_node`
Dec 05 01:49:52.543 INFO [stderr]    --> src/bin/meta_data.rs:135:1
Dec 05 01:49:52.543 INFO [stderr]     |
Dec 05 01:49:52.543 INFO [stderr] 135 | fn check_node(conn: &Connection, address: &str, port: i32) -> DataNode {
Dec 05 01:49:52.543 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:49:52.543 INFO [stderr] 
Dec 05 01:49:52.551 INFO [stderr] warning: function is never used: `get_data_nodes`
Dec 05 01:49:52.551 INFO [stderr]    --> src/bin/meta_data.rs:146:1
Dec 05 01:49:52.551 INFO [stderr]     |
Dec 05 01:49:52.551 INFO [stderr] 146 | fn get_data_nodes(conn: &Connection) {
Dec 05 01:49:52.551 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:49:52.551 INFO [stderr] 
Dec 05 01:49:52.551 INFO [stderr] warning: function is never used: `insert_file`
Dec 05 01:49:52.551 INFO [stderr]    --> src/bin/meta_data.rs:150:1
Dec 05 01:49:52.551 INFO [stderr]     |
Dec 05 01:49:52.551 INFO [stderr] 150 | fn insert_file(conn: &Connection, fname: String, fsize: usize) {
Dec 05 01:49:52.551 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:49:52.551 INFO [stderr] 
Dec 05 01:49:52.654 INFO [stderr] error[E0609]: no field `address` on type `a03::DataNode`
Dec 05 01:49:52.654 INFO [stderr]    --> src/bin/meta_data.rs:179:26
Dec 05 01:49:52.654 INFO [stderr]     |
Dec 05 01:49:52.654 INFO [stderr] 179 |         assert_eq!(dnode.address, ip);
Dec 05 01:49:52.654 INFO [stderr]     |                          ^^^^^^^ unknown field
Dec 05 01:49:52.654 INFO [stderr]     |
Dec 05 01:49:52.654 INFO [stderr]     = note: available fields are: `id`, `ip`, `port`
Dec 05 01:49:52.654 INFO [stderr] 
Dec 05 01:49:52.668 INFO [stderr] error: aborting due to previous error
Dec 05 01:49:52.668 INFO [stderr] 
Dec 05 01:49:52.668 INFO [stderr] For more information about this error, try `rustc --explain E0609`.
Dec 05 01:49:52.676 INFO [stderr] error: Could not compile `a03`.
Dec 05 01:49:52.676 INFO [stderr] 
Dec 05 01:49:52.676 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 01:49:52.678 INFO [stderr] su: No module specific data is present
Dec 05 01:49:53.248 INFO running `"docker" "inspect" "42bfc0aefe26578d8900f5b36063ae49e52f5ceb9ebeb8452623139ba5601fa8"`
Dec 05 01:49:53.571 INFO running `"docker" "rm" "-f" "42bfc0aefe26578d8900f5b36063ae49e52f5ceb9ebeb8452623139ba5601fa8"`
Dec 05 01:49:53.892 INFO [stdout] 42bfc0aefe26578d8900f5b36063ae49e52f5ceb9ebeb8452623139ba5601fa8