[INFO] fetching crate data-forge 0.1.0...
[INFO] checking data-forge-0.1.0 against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] extracting crate data-forge 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate data-forge 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate data-forge 0.1.0
[INFO] tweaked toml for crates.io crate data-forge 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate data-forge 0.1.0 on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate data-forge 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "start" "-a" "ebe2739b8766dc65eb85b418ba05595d41d7cf7590485925b897f6fcbac4f8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe2739b8766dc65eb85b418ba05595d41d7cf7590485925b897f6fcbac4f8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe2739b8766dc65eb85b418ba05595d41d7cf7590485925b897f6fcbac4f8ec", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `datetime`, `internet`, and `number`
[INFO] [stdout]   --> src/filling/generators.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::generators::{number, datetime, internet};
[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 imports: `forge` and `name`
[INFO] [stdout]    --> src/filling/mysql.rs:975:17
[INFO] [stdout]     |
[INFO] [stdout] 975 |     use crate::{forge, name};
[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: `internet`
[INFO] [stdout]   --> src/filling/generators.rs:12:43
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::generators::{number, datetime, internet};
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metadata` is assigned to, but never used
[INFO] [stdout]    --> src/memory/mod.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |             if let Some((buffer, mut metadata)) = buffers.pop() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_metadata` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `metadata` is never read
[INFO] [stdout]    --> src/memory/mod.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 metadata.last_used = Instant::now();
[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: value assigned to `metadata` is never read
[INFO] [stdout]    --> src/memory/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 metadata.use_count += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `metadata` is assigned to, but never used
[INFO] [stdout]    --> src/memory/mod.rs:168:34
[INFO] [stdout]     |
[INFO] [stdout] 168 |             if let Some((buffer, mut metadata)) = buffers.pop() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_metadata` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `metadata` is never read
[INFO] [stdout]    --> src/memory/mod.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 metadata.last_used = Instant::now();
[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: value assigned to `metadata` is never read
[INFO] [stdout]    --> src/memory/mod.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 metadata.use_count += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `filling::ConnectionConfig`, `filling::FillingConfig`, and `filling::MySqlFillerSync`
[INFO] [stdout]  --> examples/dynamic_generator_example.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     filling::MySqlFillerSync,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     filling::ConnectionConfig,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 8 |     filling::FillingConfig
[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: `std::collections::HashMap`
[INFO] [stdout]   --> examples/dynamic_generator_example.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> tests/macros_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/integration_test.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut engine = RuleEngine::new(string_pool);
[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: unused variable: `manager`
[INFO] [stdout]    --> tests/integration_test.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     let manager = ConfigManager::new(config);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/integration_test.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     engine.add_rule(email_rule);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let _ = engine.add_rule(email_rule);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConnectionConfig`
[INFO] [stdout]  --> tests/filling/mysql_test.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use dataforge::filling::{ConnectionConfig, FillingConfig, MySqlFillerSync, DatabaseFiller};
[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: `SchemaParser`
[INFO] [stdout]  --> tests/db/mod_test.rs:5:42
[INFO] [stdout]   |
[INFO] [stdout] 5 | use dataforge::db::{SimpleDatabaseForge, SchemaParser};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FieldSchema` and `TableSchema`
[INFO] [stdout]  --> tests/db/schema_test.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use dataforge::db::{SchemaParser, TableSchema, FieldSchema, DataType};
[INFO] [stdout]   |                                   ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Utc`
[INFO] [stdout]  --> tests/generators/datetime_test.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::{DateTime, NaiveDate, Utc};
[INFO] [stdout]   |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> tests/macros_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chrono::Datelike`
[INFO] [stdout]  --> tests/regions/china_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use chrono::Datelike;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filler`
[INFO] [stdout]     --> src/filling/mysql.rs:1001:13
[INFO] [stdout]      |
[INFO] [stdout] 1001 |         let filler = MySqlFillerSync::from_config(config, filling_config).unwrap();
[INFO] [stdout]      |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_filler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/filling/mysql.rs:1220:13
[INFO] [stdout]      |
[INFO] [stdout] 1220 |         let mut filler = MySqlFillerSync::from_config(connection_config, filling_config).unwrap();
[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: function `is_order_table` is never used
[INFO] [stdout]    --> src/filling/generators.rs:589:8
[INFO] [stdout]     |
[INFO] [stdout] 589 |     fn is_order_table(schema: &TableSchema) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_company_table` is never used
[INFO] [stdout]    --> src/filling/generators.rs:607:8
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn is_company_table(schema: &TableSchema) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_address_table` is never used
[INFO] [stdout]    --> src/filling/generators.rs:620:8
[INFO] [stdout]     |
[INFO] [stdout] 620 |     fn is_address_table(schema: &TableSchema) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_event_table` is never used
[INFO] [stdout]    --> src/filling/generators.rs:635:8
[INFO] [stdout]     |
[INFO] [stdout] 635 |     fn is_event_table(schema: &TableSchema) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `forge`
[INFO] [stdout]   --> tests/db/mysql_integration_test.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let forge = DatabaseForge::new(config.mysql_connection_string());
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_forge`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float_type`
[INFO] [stdout]    --> tests/db/schema_test.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     let float_type = DataType::Float { min: Some(0.0), max: Some(1.0), precision: Some(2) };
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_float_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `datetime_type`
[INFO] [stdout]    --> tests/db/schema_test.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     let datetime_type = DataType::DateTime { format: Some("ISO8601".to_string()) };
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_datetime_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid_type`
[INFO] [stdout]    --> tests/db/schema_test.rs:298:9
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let uuid_type = DataType::Uuid;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uuid_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `email_type`
[INFO] [stdout]    --> tests/db/schema_test.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 299 |     let email_type = DataType::Email;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_email_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/integration_test.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |     let mut engine = RuleEngine::new(string_pool);
[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: unused variable: `manager`
[INFO] [stdout]    --> tests/integration_test.rs:315:9
[INFO] [stdout]     |
[INFO] [stdout] 315 |     let manager = ConfigManager::new(config);
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/generators/internet_test.rs:79:21
[INFO] [stdout]    |
[INFO] [stdout] 79 |             assert!(num <= 255);
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> tests/generators/number_test.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |         assert!(age >= 0);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/generators/number_test.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |         assert!(score >= 0);
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/integration_test.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     engine.add_rule(email_rule);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let _ = engine.add_rule(email_rule);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 4m 44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4, sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "17bf6a0ad74861ccb5fc9d3cc3689888134cbcdead3e84b1cd8c8f950a4b1721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bf6a0ad74861ccb5fc9d3cc3689888134cbcdead3e84b1cd8c8f950a4b1721", kill_on_drop: false }`
[INFO] [stdout] 17bf6a0ad74861ccb5fc9d3cc3689888134cbcdead3e84b1cd8c8f950a4b1721
