Dec 01 12:13:02.510 INFO testing kodipe/website against 1.30.1 for beta-1.31-5
Dec 01 12:13:02.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:13:02.959 INFO [stdout] 8c3cc224fa612e93e1e68c2b145e0b85254432bfd7d1feeb6b8e50d6f6d3489f
Dec 01 12:13:02.961 INFO running `"docker" "start" "-a" "8c3cc224fa612e93e1e68c2b145e0b85254432bfd7d1feeb6b8e50d6f6d3489f"`
Dec 01 12:13:05.526 INFO [stderr] usermod: no changes
Dec 01 12:13:05.647 INFO [stderr]    Compiling memchr v2.1.0
Dec 01 12:13:07.423 INFO [stderr]    Compiling aho-corasick v0.6.8
Dec 01 12:13:08.655 INFO [stderr]    Compiling regex v1.0.5
Dec 01 12:13:19.541 INFO [stderr]    Compiling app v1.0.0 (/source)
Dec 01 12:13:20.191 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 12:13:20.191 INFO [stderr]  --> src/database/database.rs:7:5
Dec 01 12:13:20.191 INFO [stderr]   |
Dec 01 12:13:20.191 INFO [stderr] 7 | use std::collections::HashMap;
Dec 01 12:13:20.191 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.191 INFO [stderr]   |
Dec 01 12:13:20.191 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 12:13:20.191 INFO [stderr] 
Dec 01 12:13:20.191 INFO [stderr] warning: unused import: `Database`
Dec 01 12:13:20.191 INFO [stderr]  --> src/database/query.rs:1:23
Dec 01 12:13:20.191 INFO [stderr]   |
Dec 01 12:13:20.191 INFO [stderr] 1 | use super::database::{Database, DatabaseType};
Dec 01 12:13:20.191 INFO [stderr]   |                       ^^^^^^^^
Dec 01 12:13:20.191 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `current_level`
Dec 01 12:13:20.575 INFO [stderr]   --> src/json/json.rs:79:9
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 79 |     let current_level: Json = Json::Object(HashMap::new());
Dec 01 12:13:20.575 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_current_level` instead
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `parent`
Dec 01 12:13:20.575 INFO [stderr]   --> src/json/json.rs:81:9
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 81 |     let parent: &str = "object";
Dec 01 12:13:20.575 INFO [stderr]    |         ^^^^^^ help: consider using `_parent` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `token_type`
Dec 01 12:13:20.575 INFO [stderr]   --> src/json/json.rs:83:9
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 83 |     let token_type: &str = "";
Dec 01 12:13:20.575 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_token_type` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `c`
Dec 01 12:13:20.575 INFO [stderr]   --> src/json/json.rs:86:13
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 86 |     for (i, c) in json.chars().enumerate() {
Dec 01 12:13:20.575 INFO [stderr]    |             ^ help: consider using `_c` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `content_type`
Dec 01 12:13:20.575 INFO [stderr]   --> src/server/request.rs:88:38
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 88 |     fn parse_body(body: Vec<String>, content_type: String) -> String {
Dec 01 12:13:20.575 INFO [stderr]    |                                      ^^^^^^^^^^^^ help: consider using `_content_type` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: variable `post_id` is assigned to, but never used
Dec 01 12:13:20.575 INFO [stderr]   --> src/blog/post.rs:69:17
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 69 |         let mut post_id: u16 = 0;
Dec 01 12:13:20.575 INFO [stderr]    |                 ^^^^^^^
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr]    = note: consider using `_post_id` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: value assigned to `post_id` is never read
Dec 01 12:13:20.575 INFO [stderr]   --> src/blog/post.rs:77:21
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 77 |                     post_id = *id;
Dec 01 12:13:20.575 INFO [stderr]    |                     ^^^^^^^
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `x`
Dec 01 12:13:20.575 INFO [stderr]    --> src/database/database.rs:368:16
Dec 01 12:13:20.575 INFO [stderr]     |
Dec 01 12:13:20.575 INFO [stderr] 368 |             Ok(x) => {
Dec 01 12:13:20.575 INFO [stderr]     |                ^ help: consider using `_x` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:20.575 INFO [stderr]    --> src/database/database.rs:388:17
Dec 01 12:13:20.575 INFO [stderr]     |
Dec 01 12:13:20.575 INFO [stderr] 388 |             Err(e) => {
Dec 01 12:13:20.575 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:20.575 INFO [stderr]    --> src/database/database.rs:404:17
Dec 01 12:13:20.575 INFO [stderr]     |
Dec 01 12:13:20.575 INFO [stderr] 404 |             Err(e) => {}
Dec 01 12:13:20.575 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:20.575 INFO [stderr]    --> src/database/database.rs:427:29
Dec 01 12:13:20.575 INFO [stderr]     |
Dec 01 12:13:20.575 INFO [stderr] 427 |                         Err(e) => {}
Dec 01 12:13:20.575 INFO [stderr]     |                             ^ help: consider using `_e` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.575 INFO [stderr] warning: unused variable: `result`
Dec 01 12:13:20.575 INFO [stderr]   --> src/database/query.rs:14:22
Dec 01 12:13:20.575 INFO [stderr]    |
Dec 01 12:13:20.575 INFO [stderr] 14 |             filter: |result| {
Dec 01 12:13:20.575 INFO [stderr]    |                      ^^^^^^ help: consider using `_result` instead
Dec 01 12:13:20.575 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: method is never used: `new`
Dec 01 12:13:20.735 INFO [stderr]   --> src/blog/post.rs:19:5
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr] 19 |     pub fn new(path: PathBuf) -> Post {
Dec 01 12:13:20.735 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: method is never used: `hash_title`
Dec 01 12:13:20.735 INFO [stderr]    --> src/blog/post.rs:125:5
Dec 01 12:13:20.735 INFO [stderr]     |
Dec 01 12:13:20.735 INFO [stderr] 125 |     pub fn hash_title(title: String) -> String {
Dec 01 12:13:20.735 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 01 12:13:20.735 INFO [stderr]  --> src/json/json.rs:7:5
Dec 01 12:13:20.735 INFO [stderr]   |
Dec 01 12:13:20.735 INFO [stderr] 7 |     Bool(bool),
Dec 01 12:13:20.735 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: variant is never constructed: `Null`
Dec 01 12:13:20.735 INFO [stderr]   --> src/json/json.rs:10:5
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr] 10 |     Null
Dec 01 12:13:20.735 INFO [stderr]    |     ^^^^
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: variant is never constructed: `Key`
Dec 01 12:13:20.735 INFO [stderr]   --> src/json/json.rs:61:5
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr] 61 |     Key,
Dec 01 12:13:20.735 INFO [stderr]    |     ^^^
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: variant is never constructed: `String`
Dec 01 12:13:20.735 INFO [stderr]   --> src/json/json.rs:62:5
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr] 62 |     String,
Dec 01 12:13:20.735 INFO [stderr]    |     ^^^^^^
Dec 01 12:13:20.735 INFO [stderr] 
Dec 01 12:13:20.735 INFO [stderr] warning: variant is never constructed: `Number`
Dec 01 12:13:20.735 INFO [stderr]   --> src/json/json.rs:63:5
Dec 01 12:13:20.735 INFO [stderr]    |
Dec 01 12:13:20.735 INFO [stderr] 63 |     Number,
Dec 01 12:13:20.735 INFO [stderr]    |     ^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 01 12:13:20.736 INFO [stderr]   --> src/json/json.rs:64:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 64 |     Bool,
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: variant is never constructed: `Array`
Dec 01 12:13:20.736 INFO [stderr]   --> src/json/json.rs:65:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 65 |     Array,
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: method is never used: `val`
Dec 01 12:13:20.736 INFO [stderr]   --> src/database/database.rs:22:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 22 |     pub fn val(&mut self) {
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: method is never used: `query`
Dec 01 12:13:20.736 INFO [stderr]   --> src/database/database.rs:98:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 98 |     pub fn query(&mut self) -> Query {
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: struct is never constructed: `Query`
Dec 01 12:13:20.736 INFO [stderr]  --> src/database/query.rs:3:1
Dec 01 12:13:20.736 INFO [stderr]   |
Dec 01 12:13:20.736 INFO [stderr] 3 | pub struct Query {
Dec 01 12:13:20.736 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: method is never used: `new`
Dec 01 12:13:20.736 INFO [stderr]   --> src/database/query.rs:10:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 10 |     pub fn new(database: &str) -> Query {
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: method is never used: `select`
Dec 01 12:13:20.736 INFO [stderr]   --> src/database/query.rs:19:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 19 |     pub fn select(&mut self, table: &str) -> &mut Query {
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.736 INFO [stderr] warning: method is never used: `filter`
Dec 01 12:13:20.736 INFO [stderr]   --> src/database/query.rs:23:5
Dec 01 12:13:20.736 INFO [stderr]    |
Dec 01 12:13:20.736 INFO [stderr] 23 |     pub fn filter(&mut self, filtering: fn(rows: Vec<DatabaseType>) -> bool) -> &mut Query {
Dec 01 12:13:20.736 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.736 INFO [stderr] 
Dec 01 12:13:20.739 INFO [stderr] warning: method is never used: `execute`
Dec 01 12:13:20.739 INFO [stderr]   --> src/database/query.rs:27:5
Dec 01 12:13:20.739 INFO [stderr]    |
Dec 01 12:13:20.739 INFO [stderr] 27 |     pub fn execute(&mut self) {
Dec 01 12:13:20.739 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.739 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:71:25
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 71 |                         file.write_all(&vec![0, 0, 0]);
Dec 01 12:13:20.743 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:72:25
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 72 |                         file.write_all(&vec![columns.len() as u8, 0]);
Dec 01 12:13:20.743 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:74:29
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 74 |                             file.write_all(&column.0.as_bytes());
Dec 01 12:13:20.743 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:77:37
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 77 |                                     file.write_all(&vec![1, 0]);
Dec 01 12:13:20.743 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:80:37
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 80 |                                     file.write_all(&vec![2, 0]);
Dec 01 12:13:20.743 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]   --> src/database/database.rs:83:37
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr] 83 |                                     file.write_all(&vec![2, 0]);
Dec 01 12:13:20.743 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.743 INFO [stderr]    |
Dec 01 12:13:20.743 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.743 INFO [stderr] 
Dec 01 12:13:20.743 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.743 INFO [stderr]    --> src/database/database.rs:149:25
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr] 149 |                         file.write_all(&ai_bytes);
Dec 01 12:13:20.744 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.744 INFO [stderr] 
Dec 01 12:13:20.744 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.744 INFO [stderr]    --> src/database/database.rs:150:25
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr] 150 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.744 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.744 INFO [stderr] 
Dec 01 12:13:20.744 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.744 INFO [stderr]    --> src/database/database.rs:152:25
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr] 152 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:20.744 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.744 INFO [stderr]     |
Dec 01 12:13:20.744 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.744 INFO [stderr] 
Dec 01 12:13:20.747 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.747 INFO [stderr]    --> src/database/database.rs:153:25
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr] 153 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.747 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.747 INFO [stderr] 
Dec 01 12:13:20.747 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.747 INFO [stderr]    --> src/database/database.rs:156:29
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr] 156 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:20.747 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.747 INFO [stderr] 
Dec 01 12:13:20.747 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.747 INFO [stderr]    --> src/database/database.rs:157:29
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr] 157 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:20.747 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.747 INFO [stderr] 
Dec 01 12:13:20.747 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.747 INFO [stderr]    --> src/database/database.rs:158:29
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr] 158 |                             file.write_all(&vec![0]);
Dec 01 12:13:20.747 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.747 INFO [stderr] 
Dec 01 12:13:20.747 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.747 INFO [stderr]    --> src/database/database.rs:167:49
Dec 01 12:13:20.747 INFO [stderr]     |
Dec 01 12:13:20.747 INFO [stderr] 167 | /                                                 file.write_all(&vec![
Dec 01 12:13:20.747 INFO [stderr] 168 | |                                                     (id / 256) as u8,
Dec 01 12:13:20.747 INFO [stderr] 169 | |                                                     (id % 256) as u8
Dec 01 12:13:20.747 INFO [stderr] 170 | |                                                 ]);
Dec 01 12:13:20.748 INFO [stderr]     | |___________________________________________________^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:171:49
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 171 |                                                 file.write_all(&vec![0]);
Dec 01 12:13:20.748 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:174:49
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 174 |                                                 file.write_all(value.as_bytes());
Dec 01 12:13:20.748 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:175:49
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 175 |                                                 file.write_all(&vec![0]);
Dec 01 12:13:20.748 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:186:25
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 186 |                         file.write_all(&ai_bytes);
Dec 01 12:13:20.748 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:187:25
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 187 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.748 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:190:29
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 190 |                             file.write_all(item.as_bytes());
Dec 01 12:13:20.748 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:191:29
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 191 |                             file.write_all(&vec![0]);
Dec 01 12:13:20.748 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:200:9
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 200 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.748 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.748 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.748 INFO [stderr]    --> src/database/database.rs:201:9
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr] 201 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.748 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.748 INFO [stderr]     |
Dec 01 12:13:20.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.748 INFO [stderr] 
Dec 01 12:13:20.751 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.751 INFO [stderr]    --> src/database/database.rs:220:25
Dec 01 12:13:20.751 INFO [stderr]     |
Dec 01 12:13:20.751 INFO [stderr] 220 |                         file.write_all(&ai_bytes);
Dec 01 12:13:20.751 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.751 INFO [stderr]     |
Dec 01 12:13:20.751 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.751 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:221:25
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 221 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.752 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:223:25
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 223 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:20.752 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:224:25
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 224 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.752 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:227:29
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 227 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:20.752 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:228:29
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 228 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:20.752 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:229:29
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 229 |                             file.write_all(&vec![0]);
Dec 01 12:13:20.752 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:240:53
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 240 | /                                                     file.write_all(&vec![
Dec 01 12:13:20.752 INFO [stderr] 241 | |                                                         (id / 256) as u8,
Dec 01 12:13:20.752 INFO [stderr] 242 | |                                                         (id % 256) as u8
Dec 01 12:13:20.752 INFO [stderr] 243 | |                                                     ]);
Dec 01 12:13:20.752 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:245:53
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 245 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:20.752 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:252:45
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 252 |                                             file.write_all(item.as_bytes());
Dec 01 12:13:20.752 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:253:45
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 253 |                                             file.write_all(&vec![0]);
Dec 01 12:13:20.752 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.752 INFO [stderr] 
Dec 01 12:13:20.752 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.752 INFO [stderr]    --> src/database/database.rs:260:53
Dec 01 12:13:20.752 INFO [stderr]     |
Dec 01 12:13:20.752 INFO [stderr] 260 | /                                                     file.write_all(&vec![
Dec 01 12:13:20.752 INFO [stderr] 261 | |                                                         (id / 256) as u8,
Dec 01 12:13:20.752 INFO [stderr] 262 | |                                                         (id % 256) as u8
Dec 01 12:13:20.752 INFO [stderr] 263 | |                                                     ]);
Dec 01 12:13:20.753 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:265:53
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 265 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:20.753 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:268:53
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 268 |                                                     file.write_all(value.as_bytes());
Dec 01 12:13:20.753 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:269:53
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 269 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:20.753 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:288:9
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 288 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.753 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:289:9
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 289 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.753 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:308:25
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 308 |                         file.write_all(&ai_bytes);
Dec 01 12:13:20.753 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:309:25
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 309 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.753 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:311:25
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 311 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:20.753 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:312:25
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 312 |                         file.write_all(&vec![0]);
Dec 01 12:13:20.753 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:315:29
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 315 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:20.753 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.753 INFO [stderr] 
Dec 01 12:13:20.753 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.753 INFO [stderr]    --> src/database/database.rs:316:29
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.753 INFO [stderr] 316 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:20.753 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.753 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.754 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.754 INFO [stderr]    --> src/database/database.rs:317:29
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr] 317 |                             file.write_all(&vec![0]);
Dec 01 12:13:20.754 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.754 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.754 INFO [stderr]    --> src/database/database.rs:328:53
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr] 328 | /                                                     file.write_all(&vec![
Dec 01 12:13:20.754 INFO [stderr] 329 | |                                                         (id / 256) as u8,
Dec 01 12:13:20.754 INFO [stderr] 330 | |                                                         (id % 256) as u8
Dec 01 12:13:20.754 INFO [stderr] 331 | |                                                     ]);
Dec 01 12:13:20.754 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.754 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.754 INFO [stderr]    --> src/database/database.rs:333:53
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr] 333 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:20.754 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.754 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.754 INFO [stderr]    --> src/database/database.rs:336:53
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr] 336 |                                                     file.write_all(value.as_bytes());
Dec 01 12:13:20.754 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.754 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.754 INFO [stderr]    --> src/database/database.rs:337:53
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr] 337 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:20.754 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.754 INFO [stderr]     |
Dec 01 12:13:20.754 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.754 INFO [stderr] 
Dec 01 12:13:20.759 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.759 INFO [stderr]    --> src/database/database.rs:356:9
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr] 356 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.759 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.759 INFO [stderr] 
Dec 01 12:13:20.759 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:20.759 INFO [stderr]    --> src/database/database.rs:357:9
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr] 357 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:20.759 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:20.759 INFO [stderr] 
Dec 01 12:13:20.759 INFO [stderr] warning: literal out of range for u8
Dec 01 12:13:20.759 INFO [stderr]    --> src/database/database.rs:429:68
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr] 429 |                     row.push(DatabaseType::Autoincrement((buf[0] * 256 + buf[1]).into()));
Dec 01 12:13:20.759 INFO [stderr]     |                                                                    ^^^
Dec 01 12:13:20.759 INFO [stderr]     |
Dec 01 12:13:20.759 INFO [stderr]     = note: #[warn(overflowing_literals)] on by default
Dec 01 12:13:20.759 INFO [stderr] 
Dec 01 12:13:24.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.79s
Dec 01 12:13:24.347 INFO [stderr] su: No module specific data is present
Dec 01 12:13:25.311 INFO running `"docker" "inspect" "8c3cc224fa612e93e1e68c2b145e0b85254432bfd7d1feeb6b8e50d6f6d3489f"`
Dec 01 12:13:25.573 INFO running `"docker" "rm" "-f" "8c3cc224fa612e93e1e68c2b145e0b85254432bfd7d1feeb6b8e50d6f6d3489f"`
Dec 01 12:13:25.958 INFO [stdout] 8c3cc224fa612e93e1e68c2b145e0b85254432bfd7d1feeb6b8e50d6f6d3489f
Dec 01 12:13:25.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:13:26.544 INFO [stdout] 355bc0c930041a32650c2aa4d93da88684cb1ff9d557a3f6e586b211365774cf
Dec 01 12:13:26.549 INFO running `"docker" "start" "-a" "355bc0c930041a32650c2aa4d93da88684cb1ff9d557a3f6e586b211365774cf"`
Dec 01 12:13:27.711 INFO [stderr] usermod: no changes
Dec 01 12:13:27.801 INFO [stderr]    Compiling app v1.0.0 (/source)
Dec 01 12:13:28.584 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 01 12:13:28.584 INFO [stderr]  --> src/database/database.rs:7:5
Dec 01 12:13:28.584 INFO [stderr]   |
Dec 01 12:13:28.584 INFO [stderr] 7 | use std::collections::HashMap;
Dec 01 12:13:28.584 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:28.584 INFO [stderr]   |
Dec 01 12:13:28.584 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 12:13:28.584 INFO [stderr] 
Dec 01 12:13:28.584 INFO [stderr] warning: unused import: `Database`
Dec 01 12:13:28.584 INFO [stderr]  --> src/database/query.rs:1:23
Dec 01 12:13:28.584 INFO [stderr]   |
Dec 01 12:13:28.584 INFO [stderr] 1 | use super::database::{Database, DatabaseType};
Dec 01 12:13:28.584 INFO [stderr]   |                       ^^^^^^^^
Dec 01 12:13:28.584 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: unused variable: `current_level`
Dec 01 12:13:28.987 INFO [stderr]   --> src/json/json.rs:79:9
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 79 |     let current_level: Json = Json::Object(HashMap::new());
Dec 01 12:13:28.987 INFO [stderr]    |         ^^^^^^^^^^^^^ help: consider using `_current_level` instead
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: unused variable: `parent`
Dec 01 12:13:28.987 INFO [stderr]   --> src/json/json.rs:81:9
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 81 |     let parent: &str = "object";
Dec 01 12:13:28.987 INFO [stderr]    |         ^^^^^^ help: consider using `_parent` instead
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: unused variable: `token_type`
Dec 01 12:13:28.987 INFO [stderr]   --> src/json/json.rs:83:9
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 83 |     let token_type: &str = "";
Dec 01 12:13:28.987 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_token_type` instead
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: unused variable: `c`
Dec 01 12:13:28.987 INFO [stderr]   --> src/json/json.rs:86:13
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 86 |     for (i, c) in json.chars().enumerate() {
Dec 01 12:13:28.987 INFO [stderr]    |             ^ help: consider using `_c` instead
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: unused variable: `content_type`
Dec 01 12:13:28.987 INFO [stderr]   --> src/server/request.rs:88:38
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 88 |     fn parse_body(body: Vec<String>, content_type: String) -> String {
Dec 01 12:13:28.987 INFO [stderr]    |                                      ^^^^^^^^^^^^ help: consider using `_content_type` instead
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: variable `post_id` is assigned to, but never used
Dec 01 12:13:28.987 INFO [stderr]   --> src/blog/post.rs:69:17
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 69 |         let mut post_id: u16 = 0;
Dec 01 12:13:28.987 INFO [stderr]    |                 ^^^^^^^
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr]    = note: consider using `_post_id` instead
Dec 01 12:13:28.987 INFO [stderr] 
Dec 01 12:13:28.987 INFO [stderr] warning: value assigned to `post_id` is never read
Dec 01 12:13:28.987 INFO [stderr]   --> src/blog/post.rs:77:21
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.987 INFO [stderr] 77 |                     post_id = *id;
Dec 01 12:13:28.987 INFO [stderr]    |                     ^^^^^^^
Dec 01 12:13:28.987 INFO [stderr]    |
Dec 01 12:13:28.988 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 01 12:13:28.988 INFO [stderr] 
Dec 01 12:13:28.988 INFO [stderr] warning: unused variable: `x`
Dec 01 12:13:28.988 INFO [stderr]    --> src/database/database.rs:368:16
Dec 01 12:13:28.988 INFO [stderr]     |
Dec 01 12:13:28.988 INFO [stderr] 368 |             Ok(x) => {
Dec 01 12:13:28.988 INFO [stderr]     |                ^ help: consider using `_x` instead
Dec 01 12:13:28.988 INFO [stderr] 
Dec 01 12:13:28.988 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:28.988 INFO [stderr]    --> src/database/database.rs:388:17
Dec 01 12:13:28.988 INFO [stderr]     |
Dec 01 12:13:28.988 INFO [stderr] 388 |             Err(e) => {
Dec 01 12:13:28.988 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 01 12:13:28.988 INFO [stderr] 
Dec 01 12:13:28.991 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:28.991 INFO [stderr]    --> src/database/database.rs:404:17
Dec 01 12:13:28.991 INFO [stderr]     |
Dec 01 12:13:28.991 INFO [stderr] 404 |             Err(e) => {}
Dec 01 12:13:28.991 INFO [stderr]     |                 ^ help: consider using `_e` instead
Dec 01 12:13:28.991 INFO [stderr] 
Dec 01 12:13:28.991 INFO [stderr] warning: unused variable: `e`
Dec 01 12:13:28.991 INFO [stderr]    --> src/database/database.rs:427:29
Dec 01 12:13:28.991 INFO [stderr]     |
Dec 01 12:13:28.991 INFO [stderr] 427 |                         Err(e) => {}
Dec 01 12:13:28.991 INFO [stderr]     |                             ^ help: consider using `_e` instead
Dec 01 12:13:28.991 INFO [stderr] 
Dec 01 12:13:28.991 INFO [stderr] warning: unused variable: `result`
Dec 01 12:13:28.991 INFO [stderr]   --> src/database/query.rs:14:22
Dec 01 12:13:28.991 INFO [stderr]    |
Dec 01 12:13:28.991 INFO [stderr] 14 |             filter: |result| {
Dec 01 12:13:28.991 INFO [stderr]    |                      ^^^^^^ help: consider using `_result` instead
Dec 01 12:13:28.991 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: method is never used: `new`
Dec 01 12:13:29.161 INFO [stderr]   --> src/blog/post.rs:19:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 19 |     pub fn new(path: PathBuf) -> Post {
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: method is never used: `hash_title`
Dec 01 12:13:29.161 INFO [stderr]    --> src/blog/post.rs:125:5
Dec 01 12:13:29.161 INFO [stderr]     |
Dec 01 12:13:29.161 INFO [stderr] 125 |     pub fn hash_title(title: String) -> String {
Dec 01 12:13:29.161 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 01 12:13:29.161 INFO [stderr]  --> src/json/json.rs:7:5
Dec 01 12:13:29.161 INFO [stderr]   |
Dec 01 12:13:29.161 INFO [stderr] 7 |     Bool(bool),
Dec 01 12:13:29.161 INFO [stderr]   |     ^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Null`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:10:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 10 |     Null
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Key`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:61:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 61 |     Key,
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `String`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:62:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 62 |     String,
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Number`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:63:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 63 |     Number,
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:64:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 64 |     Bool,
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: variant is never constructed: `Array`
Dec 01 12:13:29.161 INFO [stderr]   --> src/json/json.rs:65:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 65 |     Array,
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: method is never used: `val`
Dec 01 12:13:29.161 INFO [stderr]   --> src/database/database.rs:22:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 22 |     pub fn val(&mut self) {
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: method is never used: `query`
Dec 01 12:13:29.161 INFO [stderr]   --> src/database/database.rs:98:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 98 |     pub fn query(&mut self) -> Query {
Dec 01 12:13:29.161 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: struct is never constructed: `Query`
Dec 01 12:13:29.161 INFO [stderr]  --> src/database/query.rs:3:1
Dec 01 12:13:29.161 INFO [stderr]   |
Dec 01 12:13:29.161 INFO [stderr] 3 | pub struct Query {
Dec 01 12:13:29.161 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 01 12:13:29.161 INFO [stderr] 
Dec 01 12:13:29.161 INFO [stderr] warning: method is never used: `new`
Dec 01 12:13:29.161 INFO [stderr]   --> src/database/query.rs:10:5
Dec 01 12:13:29.161 INFO [stderr]    |
Dec 01 12:13:29.161 INFO [stderr] 10 |     pub fn new(database: &str) -> Query {
Dec 01 12:13:29.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.162 INFO [stderr] 
Dec 01 12:13:29.162 INFO [stderr] warning: method is never used: `select`
Dec 01 12:13:29.162 INFO [stderr]   --> src/database/query.rs:19:5
Dec 01 12:13:29.162 INFO [stderr]    |
Dec 01 12:13:29.162 INFO [stderr] 19 |     pub fn select(&mut self, table: &str) -> &mut Query {
Dec 01 12:13:29.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.162 INFO [stderr] 
Dec 01 12:13:29.162 INFO [stderr] warning: method is never used: `filter`
Dec 01 12:13:29.162 INFO [stderr]   --> src/database/query.rs:23:5
Dec 01 12:13:29.162 INFO [stderr]    |
Dec 01 12:13:29.162 INFO [stderr] 23 |     pub fn filter(&mut self, filtering: fn(rows: Vec<DatabaseType>) -> bool) -> &mut Query {
Dec 01 12:13:29.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.162 INFO [stderr] 
Dec 01 12:13:29.162 INFO [stderr] warning: method is never used: `execute`
Dec 01 12:13:29.162 INFO [stderr]   --> src/database/query.rs:27:5
Dec 01 12:13:29.162 INFO [stderr]    |
Dec 01 12:13:29.162 INFO [stderr] 27 |     pub fn execute(&mut self) {
Dec 01 12:13:29.162 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.162 INFO [stderr] 
Dec 01 12:13:29.171 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.171 INFO [stderr]   --> src/database/database.rs:71:25
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr] 71 |                         file.write_all(&vec![0, 0, 0]);
Dec 01 12:13:29.171 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 12:13:29.171 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.171 INFO [stderr] 
Dec 01 12:13:29.171 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.171 INFO [stderr]   --> src/database/database.rs:72:25
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr] 72 |                         file.write_all(&vec![columns.len() as u8, 0]);
Dec 01 12:13:29.171 INFO [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.171 INFO [stderr] 
Dec 01 12:13:29.171 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.171 INFO [stderr]   --> src/database/database.rs:74:29
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr] 74 |                             file.write_all(&column.0.as_bytes());
Dec 01 12:13:29.171 INFO [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.171 INFO [stderr]    |
Dec 01 12:13:29.171 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.174 INFO [stderr] 
Dec 01 12:13:29.174 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.174 INFO [stderr]   --> src/database/database.rs:77:37
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr] 77 |                                     file.write_all(&vec![1, 0]);
Dec 01 12:13:29.174 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.174 INFO [stderr] 
Dec 01 12:13:29.174 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.174 INFO [stderr]   --> src/database/database.rs:80:37
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr] 80 |                                     file.write_all(&vec![2, 0]);
Dec 01 12:13:29.174 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.174 INFO [stderr] 
Dec 01 12:13:29.174 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.174 INFO [stderr]   --> src/database/database.rs:83:37
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr] 83 |                                     file.write_all(&vec![2, 0]);
Dec 01 12:13:29.174 INFO [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.174 INFO [stderr]    |
Dec 01 12:13:29.174 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.174 INFO [stderr] 
Dec 01 12:13:29.174 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.174 INFO [stderr]    --> src/database/database.rs:149:25
Dec 01 12:13:29.174 INFO [stderr]     |
Dec 01 12:13:29.174 INFO [stderr] 149 |                         file.write_all(&ai_bytes);
Dec 01 12:13:29.174 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.174 INFO [stderr]     |
Dec 01 12:13:29.174 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.174 INFO [stderr] 
Dec 01 12:13:29.174 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:150:25
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 150 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.175 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:152:25
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 152 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:29.175 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:153:25
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 153 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.175 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:156:29
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 156 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:29.175 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:157:29
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 157 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:29.175 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:158:29
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 158 |                             file.write_all(&vec![0]);
Dec 01 12:13:29.175 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:167:49
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 167 | /                                                 file.write_all(&vec![
Dec 01 12:13:29.175 INFO [stderr] 168 | |                                                     (id / 256) as u8,
Dec 01 12:13:29.175 INFO [stderr] 169 | |                                                     (id % 256) as u8
Dec 01 12:13:29.175 INFO [stderr] 170 | |                                                 ]);
Dec 01 12:13:29.175 INFO [stderr]     | |___________________________________________________^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:171:49
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 171 |                                                 file.write_all(&vec![0]);
Dec 01 12:13:29.175 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:174:49
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 174 |                                                 file.write_all(value.as_bytes());
Dec 01 12:13:29.175 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:175:49
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 175 |                                                 file.write_all(&vec![0]);
Dec 01 12:13:29.175 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.175 INFO [stderr]    --> src/database/database.rs:186:25
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr] 186 |                         file.write_all(&ai_bytes);
Dec 01 12:13:29.175 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.175 INFO [stderr]     |
Dec 01 12:13:29.175 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.175 INFO [stderr] 
Dec 01 12:13:29.175 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.176 INFO [stderr]    --> src/database/database.rs:187:25
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr] 187 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.176 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.176 INFO [stderr] 
Dec 01 12:13:29.176 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.176 INFO [stderr]    --> src/database/database.rs:190:29
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr] 190 |                             file.write_all(item.as_bytes());
Dec 01 12:13:29.176 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.176 INFO [stderr] 
Dec 01 12:13:29.176 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.176 INFO [stderr]    --> src/database/database.rs:191:29
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr] 191 |                             file.write_all(&vec![0]);
Dec 01 12:13:29.176 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.176 INFO [stderr] 
Dec 01 12:13:29.176 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.176 INFO [stderr]    --> src/database/database.rs:200:9
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr] 200 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.176 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.176 INFO [stderr] 
Dec 01 12:13:29.176 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.176 INFO [stderr]    --> src/database/database.rs:201:9
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.176 INFO [stderr] 201 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.176 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.176 INFO [stderr]     |
Dec 01 12:13:29.179 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.179 INFO [stderr] 
Dec 01 12:13:29.179 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.179 INFO [stderr]    --> src/database/database.rs:220:25
Dec 01 12:13:29.179 INFO [stderr]     |
Dec 01 12:13:29.179 INFO [stderr] 220 |                         file.write_all(&ai_bytes);
Dec 01 12:13:29.179 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.179 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:221:25
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 221 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.180 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:223:25
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 223 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:29.180 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:224:25
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 224 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.180 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:227:29
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 227 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:29.180 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:228:29
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 228 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:29.180 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:229:29
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 229 |                             file.write_all(&vec![0]);
Dec 01 12:13:29.180 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:240:53
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 240 | /                                                     file.write_all(&vec![
Dec 01 12:13:29.180 INFO [stderr] 241 | |                                                         (id / 256) as u8,
Dec 01 12:13:29.180 INFO [stderr] 242 | |                                                         (id % 256) as u8
Dec 01 12:13:29.180 INFO [stderr] 243 | |                                                     ]);
Dec 01 12:13:29.180 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:245:53
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 245 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:29.180 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:252:45
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 252 |                                             file.write_all(item.as_bytes());
Dec 01 12:13:29.180 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:253:45
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 253 |                                             file.write_all(&vec![0]);
Dec 01 12:13:29.180 INFO [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.180 INFO [stderr] 
Dec 01 12:13:29.180 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.180 INFO [stderr]    --> src/database/database.rs:260:53
Dec 01 12:13:29.180 INFO [stderr]     |
Dec 01 12:13:29.180 INFO [stderr] 260 | /                                                     file.write_all(&vec![
Dec 01 12:13:29.180 INFO [stderr] 261 | |                                                         (id / 256) as u8,
Dec 01 12:13:29.181 INFO [stderr] 262 | |                                                         (id % 256) as u8
Dec 01 12:13:29.181 INFO [stderr] 263 | |                                                     ]);
Dec 01 12:13:29.181 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:265:53
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 265 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:29.181 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:268:53
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 268 |                                                     file.write_all(value.as_bytes());
Dec 01 12:13:29.181 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:269:53
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 269 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:29.181 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:288:9
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 288 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.181 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:289:9
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 289 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.181 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:308:25
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 308 |                         file.write_all(&ai_bytes);
Dec 01 12:13:29.181 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:309:25
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 309 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.181 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:311:25
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 311 |                         file.write_all(&vec![header.columns.len() as u8]);
Dec 01 12:13:29.181 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:312:25
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 312 |                         file.write_all(&vec![0]);
Dec 01 12:13:29.181 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:315:29
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 315 |                             file.write_all(column.0.as_bytes());
Dec 01 12:13:29.181 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.181 INFO [stderr] 
Dec 01 12:13:29.181 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.181 INFO [stderr]    --> src/database/database.rs:316:29
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.181 INFO [stderr] 316 |                             file.write_all(&vec![column.1]);
Dec 01 12:13:29.181 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.181 INFO [stderr]     |
Dec 01 12:13:29.182 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.182 INFO [stderr] 
Dec 01 12:13:29.182 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.182 INFO [stderr]    --> src/database/database.rs:317:29
Dec 01 12:13:29.182 INFO [stderr]     |
Dec 01 12:13:29.182 INFO [stderr] 317 |                             file.write_all(&vec![0]);
Dec 01 12:13:29.182 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.182 INFO [stderr]     |
Dec 01 12:13:29.182 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.182 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:328:53
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 328 | /                                                     file.write_all(&vec![
Dec 01 12:13:29.183 INFO [stderr] 329 | |                                                         (id / 256) as u8,
Dec 01 12:13:29.183 INFO [stderr] 330 | |                                                         (id % 256) as u8
Dec 01 12:13:29.183 INFO [stderr] 331 | |                                                     ]);
Dec 01 12:13:29.183 INFO [stderr]     | |_______________________________________________________^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:333:53
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 333 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:29.183 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:336:53
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 336 |                                                     file.write_all(value.as_bytes());
Dec 01 12:13:29.183 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:337:53
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 337 |                                                     file.write_all(&vec![0]);
Dec 01 12:13:29.183 INFO [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:356:9
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 356 |         fs::remove_file(format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.183 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: unused `std::result::Result` which must be used
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:357:9
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 357 |         fs::rename(format!("database_{}/{}_temp", self.name, name), format!("database_{}/{}", self.name, name));
Dec 01 12:13:29.183 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 12:13:29.183 INFO [stderr] 
Dec 01 12:13:29.183 INFO [stderr] warning: literal out of range for u8
Dec 01 12:13:29.183 INFO [stderr]    --> src/database/database.rs:429:68
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.183 INFO [stderr] 429 |                     row.push(DatabaseType::Autoincrement((buf[0] * 256 + buf[1]).into()));
Dec 01 12:13:29.183 INFO [stderr]     |                                                                    ^^^
Dec 01 12:13:29.183 INFO [stderr]     |
Dec 01 12:13:29.184 INFO [stderr]     = note: #[warn(overflowing_literals)] on by default
Dec 01 12:13:29.184 INFO [stderr] 
Dec 01 12:13:29.762 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
Dec 01 12:13:29.777 INFO [stderr] su: No module specific data is present
Dec 01 12:13:30.997 INFO running `"docker" "inspect" "355bc0c930041a32650c2aa4d93da88684cb1ff9d557a3f6e586b211365774cf"`
Dec 01 12:13:31.239 INFO running `"docker" "rm" "-f" "355bc0c930041a32650c2aa4d93da88684cb1ff9d557a3f6e586b211365774cf"`
Dec 01 12:13:31.583 INFO [stdout] 355bc0c930041a32650c2aa4d93da88684cb1ff9d557a3f6e586b211365774cf
Dec 01 12:13:31.590 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 01 12:13:32.035 INFO [stdout] 593538396b63555c1521bd0fc543ed7d655e2929efe19daefb3ae9dff280d3b7
Dec 01 12:13:32.040 INFO running `"docker" "start" "-a" "593538396b63555c1521bd0fc543ed7d655e2929efe19daefb3ae9dff280d3b7"`
Dec 01 12:13:33.142 INFO [stderr] usermod: no changes
Dec 01 12:13:33.202 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 01 12:13:33.210 INFO [stderr]      Running /target/debug/deps/app-dd3a3632f0abab60
Dec 01 12:13:33.212 INFO [stdout] 
Dec 01 12:13:33.212 INFO [stdout] running 0 tests
Dec 01 12:13:33.212 INFO [stdout] 
Dec 01 12:13:33.212 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 01 12:13:33.212 INFO [stdout] 
Dec 01 12:13:33.213 INFO [stderr] su: No module specific data is present
Dec 01 12:13:33.684 INFO running `"docker" "inspect" "593538396b63555c1521bd0fc543ed7d655e2929efe19daefb3ae9dff280d3b7"`
Dec 01 12:13:33.907 INFO running `"docker" "rm" "-f" "593538396b63555c1521bd0fc543ed7d655e2929efe19daefb3ae9dff280d3b7"`
Dec 01 12:13:34.198 INFO [stdout] 593538396b63555c1521bd0fc543ed7d655e2929efe19daefb3ae9dff280d3b7
