[INFO] cloning repository https://github.com/itarato/toydb
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itarato/toydb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Ftoydb"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Ftoydb'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 52c5021c9b965ae3e3ad58fdcb4129b2e1bd29e3
[INFO] checking itarato/toydb against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitarato%2Ftoydb" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/itarato/toydb on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/itarato/toydb
[INFO] finished tweaking git repo https://github.com/itarato/toydb
[INFO] tweaked toml for git repo https://github.com/itarato/toydb written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/itarato/toydb already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 630e6b7bca682efc34ea02d4b4ae156a26917ec3487d6fd1a80df0fd3aa61ece
[INFO] running `"docker" "start" "-a" "630e6b7bca682efc34ea02d4b4ae156a26917ec3487d6fd1a80df0fd3aa61ece"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking http v0.1.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.4
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking h2 v0.1.9
[INFO] [stderr]     Checking hyper v0.12.1
[INFO] [stderr]     Checking toydb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]   --> src/dbserver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use util;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dbserver.rs:82:10
[INFO] [stderr]    |
[INFO] [stderr] 82 | ) -> Box<Future<Item = Response<Body>, Error = hyper::Error> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = hyper::Error> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref IS_VERBOSE: Mutex<Cell<bool>> = Mutex::new(Cell::new(false));
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]   --> src/dbserver.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use util;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dbserver.rs:82:10
[INFO] [stderr]    |
[INFO] [stderr] 82 | ) -> Box<Future<Item = Response<Body>, Error = hyper::Error> + Send> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Response<Body>, Error = hyper::Error> + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / lazy_static! {
[INFO] [stderr] 28 | |     static ref IS_VERBOSE: Mutex<Cell<bool>> = Mutex::new(Cell::new(false));
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/repl.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, prelude::*, Write};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Create`
[INFO] [stderr]  --> src/query.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Create(CreateQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Select`
[INFO] [stderr]  --> src/query.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Select(SelectQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Insert`
[INFO] [stderr]  --> src/query.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Insert(InsertQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Describe`
[INFO] [stderr]  --> src/query.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Describe(DescribeQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/query.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn new(name: String, config: Type) -> FieldDef {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/query.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new(table: String, fields: Vec<FieldDef>, indices: Vec<String>) -> CreateQuery {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/query.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Eq,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lt`
[INFO] [stderr]   --> src/query.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Lt,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Gt`
[INFO] [stderr]   --> src/query.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Gt,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/query.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from(raw: &String) -> Option<Relation> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn new(field_name: String, relation: String, value: String) -> FieldCondition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 | /     pub fn new(
[INFO] [stderr] 120 | |         table: String,
[INFO] [stderr] 121 | |         columns: Vec<String>,
[INFO] [stderr] 122 | |         conditions: Vec<FieldCondition>,
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |         }
[INFO] [stderr] 129 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn new(table_name: String, raw_inserts: HashMap<String, String>) -> InsertQuery {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/query_parser.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn parse(&self, raw: &String) -> Result<query::Query, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokenize`
[INFO] [stderr]   --> src/query_parser.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn tokenize(raw: &String) -> Vec<&str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_create_table`
[INFO] [stderr]   --> src/query_parser.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn parse_create_table(tokens: &mut Vec<&str>) -> Result<query::Query, ()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_select`
[INFO] [stderr]    --> src/query_parser.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn parse_select(tokens: &mut Vec<&str>) -> Result<query::Query, ()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_insert`
[INFO] [stderr]    --> src/query_parser.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn parse_insert(tokens: &mut Vec<&str>) -> Result<query::Query, ()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `prelude`
[INFO] [stderr]  --> src/repl.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, prelude::*, Write};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Select`
[INFO] [stderr]  --> src/query.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Select(SelectQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Insert`
[INFO] [stderr]  --> src/query.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Insert(InsertQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Describe`
[INFO] [stderr]  --> src/query.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Describe(DescribeQuery),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eq`
[INFO] [stderr]   --> src/query.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     Eq,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lt`
[INFO] [stderr]   --> src/query.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Lt,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Gt`
[INFO] [stderr]   --> src/query.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     Gt,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/query.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn from(raw: &String) -> Option<Relation> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     pub fn new(field_name: String, relation: String, value: String) -> FieldCondition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 | /     pub fn new(
[INFO] [stderr] 120 | |         table: String,
[INFO] [stderr] 121 | |         columns: Vec<String>,
[INFO] [stderr] 122 | |         conditions: Vec<FieldCondition>,
[INFO] [stderr] ...   |
[INFO] [stderr] 128 | |         }
[INFO] [stderr] 129 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/query.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     pub fn new(table_name: String, raw_inserts: HashMap<String, String>) -> InsertQuery {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse`
[INFO] [stderr]   --> src/query_parser.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn parse(&self, raw: &String) -> Result<query::Query, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tokenize`
[INFO] [stderr]   --> src/query_parser.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn tokenize(raw: &String) -> Vec<&str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_select`
[INFO] [stderr]    --> src/query_parser.rs:122:1
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn parse_select(tokens: &mut Vec<&str>) -> Result<query::Query, ()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_insert`
[INFO] [stderr]    --> src/query_parser.rs:153:1
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn parse_insert(tokens: &mut Vec<&str>) -> Result<query::Query, ()> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let mut index = self.indices.get_mut(column_name).unwrap();
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let mut index = self.indices.get_mut(column_name).unwrap();
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `looks_like_query`
[INFO] [stderr]  --> src/query_parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn looks_like_query(raw: &String) -> bool {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_verbose`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn is_verbose() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dbserver.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.engine_operator.lock().unwrap().init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `looks_like_query`
[INFO] [stderr]  --> src/query_parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn looks_like_query(raw: &String) -> bool {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_verbose`
[INFO] [stderr]   --> src/main.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn is_verbose() -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dbserver.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.engine_operator.lock().unwrap().init();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.55s
[INFO] running `"docker" "inspect" "630e6b7bca682efc34ea02d4b4ae156a26917ec3487d6fd1a80df0fd3aa61ece"`
[INFO] running `"docker" "rm" "-f" "630e6b7bca682efc34ea02d4b4ae156a26917ec3487d6fd1a80df0fd3aa61ece"`
[INFO] [stdout] 630e6b7bca682efc34ea02d4b4ae156a26917ec3487d6fd1a80df0fd3aa61ece