[INFO] fetching crate typedb-driver 3.7.0-rc0...
[INFO] testing typedb-driver-3.7.0-rc0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate typedb-driver 3.7.0-rc0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate typedb-driver 3.7.0-rc0
[INFO] finished tweaking crates.io crate typedb-driver 3.7.0-rc0
[INFO] tweaked toml for crates.io crate typedb-driver 3.7.0-rc0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate typedb-driver 3.7.0-rc0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 188 packages to latest compatible versions
[INFO] [stderr]       Adding chrono-tz v0.9.0 (available: v0.10.4)
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[INFO] [stderr]       Adding tonic v0.12.3 (available: v0.14.2)
[INFO] [stderr]       Adding tonic-types v0.12.3 (available: v0.14.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.licenseFile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono-tz-build v0.3.0
[INFO] [stderr]   Downloaded tonic-types v0.12.3
[INFO] [stderr]   Downloaded typedb-protocol v3.7.0-rc0
[INFO] [stderr]   Downloaded chrono-tz v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec0460a2cb2cd4af7e32bfb1ed11591e28fc834b3c6c809621996d6fc9abc984
[INFO] running `Command { std: "docker" "start" "-a" "ec0460a2cb2cd4af7e32bfb1ed11591e28fc834b3c6c809621996d6fc9abc984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec0460a2cb2cd4af7e32bfb1ed11591e28fc834b3c6c809621996d6fc9abc984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0460a2cb2cd4af7e32bfb1ed11591e28fc834b3c6c809621996d6fc9abc984", kill_on_drop: false }`
[INFO] [stdout] ec0460a2cb2cd4af7e32bfb1ed11591e28fc834b3c6c809621996d6fc9abc984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2f9c3a9be15d42b6ceeb443e753235117bf8770374e1a7950f29cd3980b0f8
[INFO] running `Command { std: "docker" "start" "-a" "0c2f9c3a9be15d42b6ceeb443e753235117bf8770374e1a7950f29cd3980b0f8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling typedb-protocol v3.7.0-rc0
[INFO] [stderr]    Compiling typedb-driver v3.7.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/answer/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/export_stream.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `StreamExt` and `stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use futures::{stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_`
[INFO] [stdout]   --> src/connection/network/proto/concept.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         type_,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/connection/network/proto/message.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Credentials, Error,
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/stub.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tracing::{debug, trace};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryRecvError as SyncTryRecvError`
[INFO] [stdout]   --> src/connection/network/transmitter/mod.rs:21:82
[INFO] [stdout]    |
[INFO] [stdout] 21 |     bounded as bounded_blocking, Receiver as SyncReceiver, Sender as SyncSender, TryRecvError as SyncTryRecvError,
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instant`, `error::SendError`, `select`, and `sleep_until`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     sync::{
[INFO] [stdout] 41 |         mpsc::{error::SendError, unbounded_channel as unbounded_async, UnboundedReceiver, UnboundedSender},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     time::{sleep_until, Instant},
[INFO] [stdout]    |            ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 | use tracing::{debug, error, trace};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::trace`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::trace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AnalyzeError` and `ServerError`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     error::{AnalyzeError, ConnectionError, InternalError, ServerError},
[INFO] [stdout]    |             ^^^^^^^^^^^^                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::sleep`
[INFO] [stdout]   --> src/database/database.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     thread::sleep,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TransactionOptions`, `TransactionType`, `Transaction`, `database::export_stream::DatabaseExportStream`, and `driver::TypeDBDriver`
[INFO] [stdout]   --> src/database/database.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     connection::{database::export_stream::DatabaseExportStream, server_connection::ServerConnection},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     database::migration::{try_create_export_file, try_open_existing_export_file, DatabaseExportAnswer},
[INFO] [stdout] 46 |     driver::TypeDBDriver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     error::{InternalError, MigrationError},
[INFO] [stdout] 48 |     resolve, Transaction, TransactionOptions, TransactionType,
[INFO] [stdout]    |              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, and `info`
[INFO] [stdout]   --> src/database/database_manager.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | use tracing::{debug, error, info};
[INFO] [stdout]    |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info` and `trace`
[INFO] [stdout]   --> src/driver.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | use tracing::{debug, error, info, trace};
[INFO] [stdout]    |                             ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/user/user.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{collections::HashMap, sync::Arc};
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connection/database/export_stream.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut stream = self.export_transmitter.stream();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection/network/transmitter/rpc.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 let mut response_source = rpc.database_export(request.try_into_proto()?).await?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut collector = ResponseCollector {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/common/error.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryFutureExt`
[INFO] [stdout]   --> src/connection/network/proto/concept.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use futures::TryFutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryStreamExt`
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use futures::TryStreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryStreamExt`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use futures::TryStreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/common/error.rs:324:40
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn try_extracting_connection_error(status: &Status, code: &str) -> Option<ConnectionError> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:125:62
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let close_notifier_callback = Box::new(move |error| {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `result` is assigned to, but never used
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |             let result = tokio::select! { biased;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_result` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:366:46
[INFO] [stdout]     |
[INFO] [stdout] 366 |                         Some(Ok(message)) => collector.collect(message).await,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/connection/server_connection.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 open_request_id: request_id,
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/user/user.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok(res) => return Ok(()),
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DatabaseExportTransmitter` is more private than the item `DatabaseExportStream::new`
[INFO] [stdout]   --> src/connection/database/export_stream.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn new(export_transmitter: DatabaseExportTransmitter) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `DatabaseExportStream::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DatabaseExportTransmitter` is only usable at visibility `pub(in crate::connection)`
[INFO] [stdout]   --> src/connection/network/transmitter/export.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(in crate::connection) struct DatabaseExportTransmitter {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DatabaseImportTransmitter` is more private than the item `DatabaseImportStream::new`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fn new(import_transmitter: DatabaseImportTransmitter) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `DatabaseImportStream::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DatabaseImportTransmitter` is only usable at visibility `pub(in crate::connection)`
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(in crate::connection) struct DatabaseImportTransmitter {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ServerConnection` is more private than the item `user::user::User::server_connections`
[INFO] [stdout]   --> src/user/user.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub server_connections: HashMap<Address, ServerConnection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `user::user::User::server_connections` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `ServerConnection` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/connection/server_connection.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub(crate) struct ServerConnection {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ServerConnection` is more private than the item `user::user_manager::UserManager::new`
[INFO] [stdout]   --> src/user/user_manager.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new(server_connections: HashMap<Address, ServerConnection>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `user::user_manager::UserManager::new` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `ServerConnection` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/connection/server_connection.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub(crate) struct ServerConnection {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_optional` is never read
[INFO] [stdout]    --> src/analyze/mod.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct VariableAnnotations {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 110 |     pub(crate) is_optional: bool, // TODO: Make pub when we know this is correct
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VariableAnnotations` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ServersAll` is never constructed
[INFO] [stdout]   --> src/connection/message.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(super) enum Request {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     ServersAll,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/connection/message.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ServersAll {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 77 |         servers: Vec<Address>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `oneshot_blocking` is never used
[INFO] [stdout]   --> src/connection/network/transmitter/mod.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn oneshot_blocking<T>() -> (SyncSender<T>, SyncReceiver<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_runtime` is never read
[INFO] [stdout]   --> src/connection/network/transmitter/export.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(in crate::connection) struct DatabaseExportTransmitter {
[INFO] [stdout]    |                                  ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     background_runtime: Arc<BackgroundRuntime>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_runtime` is never read
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(in crate::connection) struct DatabaseImportTransmitter {
[INFO] [stdout]    |                                  ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     background_runtime: Arc<BackgroundRuntime>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ImmediateOneShot` and `BlockingOneShot` are never constructed
[INFO] [stdout]   --> src/connection/network/transmitter/response_sink.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(super) enum ResponseSink<T> {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 38 |     ImmediateOneShot(ImmediateHandler<Result<T>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     AsyncOneShot(AsyncOneshotSender<Result<T>>),
[INFO] [stdout] 40 |     BlockingOneShot(SyncOneshotSender<Result<T>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResponseSink` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_blocking` is never used
[INFO] [stdout]   --> src/connection/network/transmitter/rpc.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl RPCTransmitter {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub(in crate::connection) fn request_blocking(&self, request: Request) -> Result<Response> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `request_blocking` and `servers_all` are never used
[INFO] [stdout]    --> src/connection/server_connection.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl ServerConnection {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn request_blocking(&self, request: Request) -> crate::Result<Response> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub(crate) fn servers_all(&self) -> crate::Result<Vec<Address>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fetch_server_list`, `server_count`, `servers`, `connection`, `connections`, and `unable_to_connect_error` are never used
[INFO] [stdout]    --> src/driver.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl TypeDBDriver {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     async fn fetch_server_list(
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub(crate) fn server_count(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub(crate) fn servers(&self) -> impl Iterator<Item = &Address> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn connection(&self, id: &Address) -> Option<&ServerConnection> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub(crate) fn connections(&self) -> impl Iterator<Item = (&Address, &ServerConnection)> + '_ {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 334 |     pub(crate) fn unable_to_connect_error(&self) -> Error {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "0c2f9c3a9be15d42b6ceeb443e753235117bf8770374e1a7950f29cd3980b0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2f9c3a9be15d42b6ceeb443e753235117bf8770374e1a7950f29cd3980b0f8", kill_on_drop: false }`
[INFO] [stdout] 0c2f9c3a9be15d42b6ceeb443e753235117bf8770374e1a7950f29cd3980b0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21fb7303df2454849c60632790782c58b272b089801f0f1e835b92180300511
[INFO] running `Command { std: "docker" "start" "-a" "b21fb7303df2454849c60632790782c58b272b089801f0f1e835b92180300511", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.licenseFile
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/answer/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/export_stream.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `StreamExt` and `stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use futures::{stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_`
[INFO] [stdout]   --> src/connection/network/proto/concept.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         type_,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/connection/network/proto/message.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Credentials, Error,
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/stub.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tracing::{debug, trace};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryRecvError as SyncTryRecvError`
[INFO] [stdout]   --> src/connection/network/transmitter/mod.rs:21:82
[INFO] [stdout]    |
[INFO] [stdout] 21 |     bounded as bounded_blocking, Receiver as SyncReceiver, Sender as SyncSender, TryRecvError as SyncTryRecvError,
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instant`, `error::SendError`, `select`, and `sleep_until`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     sync::{
[INFO] [stdout] 41 |         mpsc::{error::SendError, unbounded_channel as unbounded_async, UnboundedReceiver, UnboundedSender},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     time::{sleep_until, Instant},
[INFO] [stdout]    |            ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 | use tracing::{debug, error, trace};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::trace`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::trace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AnalyzeError` and `ServerError`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     error::{AnalyzeError, ConnectionError, InternalError, ServerError},
[INFO] [stdout]    |             ^^^^^^^^^^^^                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::sleep`
[INFO] [stdout]   --> src/database/database.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     thread::sleep,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TransactionOptions`, `TransactionType`, `Transaction`, `database::export_stream::DatabaseExportStream`, and `driver::TypeDBDriver`
[INFO] [stdout]   --> src/database/database.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     connection::{database::export_stream::DatabaseExportStream, server_connection::ServerConnection},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     database::migration::{try_create_export_file, try_open_existing_export_file, DatabaseExportAnswer},
[INFO] [stdout] 46 |     driver::TypeDBDriver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     error::{InternalError, MigrationError},
[INFO] [stdout] 48 |     resolve, Transaction, TransactionOptions, TransactionType,
[INFO] [stdout]    |              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, and `info`
[INFO] [stdout]   --> src/database/database_manager.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | use tracing::{debug, error, info};
[INFO] [stdout]    |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info` and `trace`
[INFO] [stdout]   --> src/driver.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | use tracing::{debug, error, info, trace};
[INFO] [stdout]    |                             ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/user/user.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{collections::HashMap, sync::Arc};
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/connection/database/export_stream.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut stream = self.export_transmitter.stream();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection/network/transmitter/rpc.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 let mut response_source = rpc.database_export(request.try_into_proto()?).await?;
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |         let mut collector = ResponseCollector {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]   --> src/common/error.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use itertools::Itertools;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryFutureExt`
[INFO] [stdout]   --> src/connection/network/proto/concept.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use futures::TryFutureExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryStreamExt`
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use futures::TryStreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::TryStreamExt`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use futures::TryStreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]    --> src/common/error.rs:324:40
[INFO] [stdout]     |
[INFO] [stdout] 324 |     fn try_extracting_connection_error(status: &Status, code: &str) -> Option<ConnectionError> {
[INFO] [stdout]     |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:125:62
[INFO] [stdout]     |
[INFO] [stdout] 125 |                 let close_notifier_callback = Box::new(move |error| {
[INFO] [stdout]     |                                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `result` is assigned to, but never used
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:363:17
[INFO] [stdout]     |
[INFO] [stdout] 363 |             let result = tokio::select! { biased;
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_result` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/connection/network/transmitter/transaction.rs:366:46
[INFO] [stdout]     |
[INFO] [stdout] 366 |                         Some(Ok(message)) => collector.collect(message).await,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_id`
[INFO] [stdout]    --> src/connection/server_connection.rs:255:34
[INFO] [stdout]     |
[INFO] [stdout] 255 |                 open_request_id: request_id,
[INFO] [stdout]     |                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/user/user.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Ok(res) => return Ok(()),
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling typedb-driver v3.7.0-rc0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `DatabaseExportTransmitter` is more private than the item `DatabaseExportStream::new`
[INFO] [stdout]   --> src/connection/database/export_stream.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub(crate) fn new(export_transmitter: DatabaseExportTransmitter) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `DatabaseExportStream::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DatabaseExportTransmitter` is only usable at visibility `pub(in crate::connection)`
[INFO] [stdout]   --> src/connection/network/transmitter/export.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(in crate::connection) struct DatabaseExportTransmitter {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DatabaseImportTransmitter` is more private than the item `DatabaseImportStream::new`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub(crate) fn new(import_transmitter: DatabaseImportTransmitter) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `DatabaseImportStream::new` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `DatabaseImportTransmitter` is only usable at visibility `pub(in crate::connection)`
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(in crate::connection) struct DatabaseImportTransmitter {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ServerConnection` is more private than the item `user::user::User::server_connections`
[INFO] [stdout]   --> src/user/user.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub server_connections: HashMap<Address, ServerConnection>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `user::user::User::server_connections` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `ServerConnection` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/connection/server_connection.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub(crate) struct ServerConnection {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ServerConnection` is more private than the item `user::user_manager::UserManager::new`
[INFO] [stdout]   --> src/user/user_manager.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn new(server_connections: HashMap<Address, ServerConnection>) -> Self {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function `user::user_manager::UserManager::new` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `ServerConnection` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/connection/server_connection.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub(crate) struct ServerConnection {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_optional` is never read
[INFO] [stdout]    --> src/analyze/mod.rs:110:16
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct VariableAnnotations {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 110 |     pub(crate) is_optional: bool, // TODO: Make pub when we know this is correct
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `VariableAnnotations` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ServersAll` is never constructed
[INFO] [stdout]   --> src/connection/message.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub(super) enum Request {
[INFO] [stdout]    |                 ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 45 |     ServersAll,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `servers` is never read
[INFO] [stdout]   --> src/connection/message.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ServersAll {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 77 |         servers: Vec<Address>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `oneshot_blocking` is never used
[INFO] [stdout]   --> src/connection/network/transmitter/mod.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn oneshot_blocking<T>() -> (SyncSender<T>, SyncReceiver<T>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_runtime` is never read
[INFO] [stdout]   --> src/connection/network/transmitter/export.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub(in crate::connection) struct DatabaseExportTransmitter {
[INFO] [stdout]    |                                  ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     background_runtime: Arc<BackgroundRuntime>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `background_runtime` is never read
[INFO] [stdout]   --> src/connection/network/transmitter/import.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub(in crate::connection) struct DatabaseImportTransmitter {
[INFO] [stdout]    |                                  ------------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     background_runtime: Arc<BackgroundRuntime>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ImmediateOneShot` and `BlockingOneShot` are never constructed
[INFO] [stdout]   --> src/connection/network/transmitter/response_sink.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub(super) enum ResponseSink<T> {
[INFO] [stdout]    |                 ------------ variants in this enum
[INFO] [stdout] 38 |     ImmediateOneShot(ImmediateHandler<Result<T>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 39 |     AsyncOneShot(AsyncOneshotSender<Result<T>>),
[INFO] [stdout] 40 |     BlockingOneShot(SyncOneshotSender<Result<T>>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResponseSink` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_blocking` is never used
[INFO] [stdout]   --> src/connection/network/transmitter/rpc.rs:85:34
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl RPCTransmitter {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub(in crate::connection) fn request_blocking(&self, request: Request) -> Result<Response> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `request_blocking` and `servers_all` are never used
[INFO] [stdout]    --> src/connection/server_connection.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout]  58 | impl ServerConnection {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 123 |     fn request_blocking(&self, request: Request) -> crate::Result<Response> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub(crate) fn servers_all(&self) -> crate::Result<Vec<Address>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `fetch_server_list`, `server_count`, `servers`, `connection`, `connections`, and `unable_to_connect_error` are never used
[INFO] [stdout]    --> src/driver.rs:194:14
[INFO] [stdout]     |
[INFO] [stdout]  48 | impl TypeDBDriver {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 194 |     async fn fetch_server_list(
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     pub(crate) fn server_count(&self) -> usize {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 322 |     pub(crate) fn servers(&self) -> impl Iterator<Item = &Address> {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 326 |     pub(crate) fn connection(&self, id: &Address) -> Option<&ServerConnection> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     pub(crate) fn connections(&self) -> impl Iterator<Item = (&Address, &ServerConnection)> + '_ {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 334 |     pub(crate) fn unable_to_connect_error(&self) -> Error {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/answer/json.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     use rand::{
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]    --> src/answer/json.rs:264:9
[INFO] [stdout]     |
[INFO] [stdout] 264 |     use rand::{
[INFO] [stdout]     |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:269:9
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use serde_json::json;
[INFO] [stdout]     |         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:277:32
[INFO] [stdout]     |
[INFO] [stdout] 277 |         let serde_json_value = serde_json::value::Value::String(string.clone());
[INFO] [stdout]     |                                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]     |
[INFO] [stdout] 262 +     use crate::concept::Value;
[INFO] [stdout]     |
[INFO] [stdout] 262 +     use tracing::Value;
[INFO] [stdout]     |
[INFO] [stdout] 262 +     use typedb_protocol::Value;
[INFO] [stdout]     |
[INFO] [stdout] 262 +     use typedb_protocol::analyzed_conjunction::constraint::Value;
[INFO] [stdout]     |
[INFO] [stdout]     = and 2 other candidates
[INFO] [stdout] help: if you import `Value`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 277 -         let serde_json_value = serde_json::value::Value::String(string.clone());
[INFO] [stdout] 277 +         let serde_json_value = Value::String(string.clone());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::StreamExt`
[INFO] [stdout]   --> src/answer/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use futures::StreamExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/export_stream.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `StreamExt` and `stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:23:15
[INFO] [stdout]    |
[INFO] [stdout] 23 | use futures::{stream, StreamExt};
[INFO] [stdout]    |               ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stream::Stream`
[INFO] [stdout]   --> src/connection/database/import_stream.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     common::{stream::Stream, Promise, Result},
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `type_`
[INFO] [stdout]   --> src/connection/network/proto/concept.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         type_,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]   --> src/connection/network/proto/message.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Credentials, Error,
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/stub.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 | use tracing::{debug, trace};
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryRecvError as SyncTryRecvError`
[INFO] [stdout]   --> src/connection/network/transmitter/mod.rs:21:82
[INFO] [stdout]    |
[INFO] [stdout] 21 |     bounded as bounded_blocking, Receiver as SyncReceiver, Sender as SyncSender, TryRecvError as SyncTryRecvError,
[INFO] [stdout]    |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instant`, `error::SendError`, `select`, and `sleep_until`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     select,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 40 |     sync::{
[INFO] [stdout] 41 |         mpsc::{error::SendError, unbounded_channel as unbounded_async, UnboundedReceiver, UnboundedSender},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     time::{sleep_until, Instant},
[INFO] [stdout]    |            ^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> src/connection/network/transmitter/transaction.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 | use tracing::{debug, error, trace};
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::trace`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tracing::trace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AnalyzeError` and `ServerError`
[INFO] [stdout]   --> src/connection/transaction_stream.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     error::{AnalyzeError, ConnectionError, InternalError, ServerError},
[INFO] [stdout]    |             ^^^^^^^^^^^^                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread::sleep`
[INFO] [stdout]   --> src/database/database.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     thread::sleep,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TransactionOptions`, `TransactionType`, `Transaction`, `database::export_stream::DatabaseExportStream`, and `driver::TypeDBDriver`
[INFO] [stdout]   --> src/database/database.rs:44:18
[INFO] [stdout]    |
[INFO] [stdout] 44 |     connection::{database::export_stream::DatabaseExportStream, server_connection::ServerConnection},
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |     database::migration::{try_create_export_file, try_open_existing_export_file, DatabaseExportAnswer},
[INFO] [stdout] 46 |     driver::TypeDBDriver,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     error::{InternalError, MigrationError},
[INFO] [stdout] 48 |     resolve, Transaction, TransactionOptions, TransactionType,
[INFO] [stdout]    |              ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, and `info`
[INFO] [stdout]   --> src/database/database_manager.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 | use tracing::{debug, error, info};
[INFO] [stdout]    |               ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info` and `trace`
[INFO] [stdout]   --> src/driver.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 | use tracing::{debug, error, info, trace};
[INFO] [stdout]    |                             ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Arc`
[INFO] [stdout]   --> src/user/user.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{collections::HashMap, sync::Arc};
[INFO] [stdout]    |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:279:20
[INFO] [stdout]     |
[INFO] [stdout] 279 |         assert_eq!(serde_json::to_string(&serde_json_value).unwrap(), json_string.to_string());
[INFO] [stdout]     |                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:291:19
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let ser = serde_json::to_value(sample_json()).unwrap();
[INFO] [stdout]     |                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:298:27
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let deser: JSON = serde_json::from_str(r#"{ "array": [true, "string"], "number": 123.4 }"#).unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:335:25
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let deser = serde_json::from_value(serde_json::to_value(&json).unwrap()).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> src/answer/json.rs:335:48
[INFO] [stdout]     |
[INFO] [stdout] 335 |             let deser = serde_json::from_value(serde_json::to_value(&json).unwrap()).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typedb-driver` (lib test) due to 9 previous errors; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b21fb7303df2454849c60632790782c58b272b089801f0f1e835b92180300511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21fb7303df2454849c60632790782c58b272b089801f0f1e835b92180300511", kill_on_drop: false }`
[INFO] [stdout] b21fb7303df2454849c60632790782c58b272b089801f0f1e835b92180300511
