[INFO] fetching crate real-rs 0.1.0...
[INFO] testing real-rs-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate real-rs 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate real-rs 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate real-rs 0.1.0
[INFO] tweaked toml for crates.io crate real-rs 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate real-rs 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate real-rs 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66
[INFO] running `Command { std: "docker" "start" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling real-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[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: `DataType`
[INFO] [stdout]  --> src/algebra.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::schema::{DataType, Schema, Value};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinCondition`
[INFO] [stdout]   --> src/backends/yottadb.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::algebra::{AggregateType, CompareOp, Expr, JoinCondition, Operand, Predicate};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QueryPlan`
[INFO] [stdout]   --> src/backends/yottadb.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::backends::{Backend, QueryPlan};
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Column`, `DataType`, and `Row`
[INFO] [stdout]   --> src/backends/yottadb.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::schema::{Column, DataType, ResultSet, Row, Schema, Value};
[INFO] [stdout]    |                     ^^^^^^  ^^^^^^^^             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/schema.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_columns`
[INFO] [stdout]    --> src/backends/yottadb.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |             KeyStructure::Compound { key_columns } => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^ help: try ignoring the field: `key_columns: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Expr::Relation { name, schema } => {
[INFO] [stdout]     |             ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 258 |             Expr::Select { input, predicate } => {
[INFO] [stdout]     |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 273 |             Expr::Project { input, columns } => {
[INFO] [stdout]     |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backends/yottadb.rs:288:39
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:290:67
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 if let (Expr::Relation { name: left_name, schema: left_schema },
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:291:68
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         Expr::Relation { name: right_name, schema: right_schema }) = (&**left, &**right) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:325:47
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 if let Expr::Relation { name, schema } = &**input {
[INFO] [stdout]     |                                               ^^^^^^ help: try ignoring the field: `schema: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling real-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[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: `DataType`
[INFO] [stdout]  --> src/algebra.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::schema::{DataType, Schema, Value};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinCondition`
[INFO] [stdout]   --> src/backends/yottadb.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::algebra::{AggregateType, CompareOp, Expr, JoinCondition, Operand, Predicate};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QueryPlan`
[INFO] [stdout]   --> src/backends/yottadb.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::backends::{Backend, QueryPlan};
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Column`, `DataType`, and `Row`
[INFO] [stdout]   --> src/backends/yottadb.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::schema::{Column, DataType, ResultSet, Row, Schema, Value};
[INFO] [stdout]    |                     ^^^^^^  ^^^^^^^^             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/schema.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_columns`
[INFO] [stdout]    --> src/backends/yottadb.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |             KeyStructure::Compound { key_columns } => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^ help: try ignoring the field: `key_columns: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Expr::Relation { name, schema } => {
[INFO] [stdout]     |             ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 258 |             Expr::Select { input, predicate } => {
[INFO] [stdout]     |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 273 |             Expr::Project { input, columns } => {
[INFO] [stdout]     |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backends/yottadb.rs:288:39
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:290:67
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 if let (Expr::Relation { name: left_name, schema: left_schema },
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:291:68
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         Expr::Relation { name: right_name, schema: right_schema }) = (&**left, &**right) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:325:47
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 if let Expr::Relation { name, schema } = &**input {
[INFO] [stdout]     |                                               ^^^^^^ help: try ignoring the field: `schema: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `YDBConnection`
[INFO] [stdout]   --> examples/universal_query.rs:11:63
[INFO] [stdout]    |
[INFO] [stdout] 11 | use real_rs::backends::yottadb::{GlobalMapping, KeyStructure, YDBConnection, YottaDBBackend};
[INFO] [stdout]    |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::postgres`
[INFO] [stdout]   --> examples/query_examples.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use real_rs::backends::postgres::PostgresBackend;
[INFO] [stdout]    |                        ^^^^^^^^ could not find `postgres` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "backend-postgres")]
[INFO] [stdout]    |       ---------------------------- the item is gated behind the `backend-postgres` feature
[INFO] [stdout] 12 | pub mod postgres;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::mongodb`
[INFO] [stdout]   --> examples/cross_backend_demo.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use real_rs::backends::mongodb::MongoDBBackend;
[INFO] [stdout]    |                        ^^^^^^^ could not find `mongodb` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "backend-mongodb")]
[INFO] [stdout]    |       --------------------------- the item is gated behind the `backend-mongodb` feature
[INFO] [stdout] 18 | pub mod mongodb;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::postgres`
[INFO] [stdout]   --> examples/cross_backend_demo.rs:13:24
[INFO] [stdout]    |
[INFO] [stdout] 13 | use real_rs::backends::postgres::PostgresBackend;
[INFO] [stdout]    |                        ^^^^^^^^ could not find `postgres` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "backend-postgres")]
[INFO] [stdout]    |       ---------------------------- the item is gated behind the `backend-postgres` feature
[INFO] [stdout] 12 | pub mod postgres;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::sqlite`
[INFO] [stdout]   --> examples/cross_backend_demo.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 | use real_rs::backends::sqlite::SQLiteBackend;
[INFO] [stdout]    |                        ^^^^^^ could not find `sqlite` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[cfg(feature = "backend-sqlite")]
[INFO] [stdout]    |       -------------------------- the item is gated behind the `backend-sqlite` feature
[INFO] [stdout] 15 | pub mod sqlite;
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinCondition`
[INFO] [stdout]  --> examples/cross_backend_demo.rs:9:63
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AggregateFunc, AggregateType, ColumnRef, CompareOp, Expr, JoinCondition, Operand, Predicate,
[INFO] [stdout]   |                                                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::postgres`
[INFO] [stdout]   --> examples/pooling_migrations_demo.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use real_rs::backends::postgres::PostgresBackend;
[INFO] [stdout]    |                        ^^^^^^^^ could not find `postgres` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "backend-postgres")]
[INFO] [stdout]    |       ---------------------------- the item is gated behind the `backend-postgres` feature
[INFO] [stdout] 12 | pub mod postgres;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `real-rs` (example "pooling_migrations_demo") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `real-rs` (example "query_examples") due to 1 previous error
[INFO] [stdout] error[E0432]: unresolved import `real_rs::backends::postgres`
[INFO] [stdout]   --> examples/postgres_simple.rs:9:24
[INFO] [stdout]    |
[INFO] [stdout]  9 | use real_rs::backends::postgres::PostgresBackend;
[INFO] [stdout]    |                        ^^^^^^^^ could not find `postgres` in `backends`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/backends/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(feature = "backend-postgres")]
[INFO] [stdout]    |       ---------------------------- the item is gated behind the `backend-postgres` feature
[INFO] [stdout] 12 | pub mod postgres;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `real-rs` (example "cross_backend_demo") due to 3 previous errors; 1 warning emitted
[INFO] [stdout] warning: unused import: `DataType`
[INFO] [stdout]  --> src/algebra.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::schema::{DataType, Schema, Value};
[INFO] [stdout]   |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinCondition`
[INFO] [stdout]   --> src/backends/yottadb.rs:14:54
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::algebra::{AggregateType, CompareOp, Expr, JoinCondition, Operand, Predicate};
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QueryPlan`
[INFO] [stdout]   --> src/backends/yottadb.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::backends::{Backend, QueryPlan};
[INFO] [stdout]    |                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Column` and `Row`
[INFO] [stdout]   --> src/backends/yottadb.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::schema::{Column, DataType, ResultSet, Row, Schema, Value};
[INFO] [stdout]    |                     ^^^^^^                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/schema.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `real-rs` (example "postgres_simple") due to 1 previous error
[INFO] [stdout] warning: unused variable: `key_columns`
[INFO] [stdout]    --> src/backends/yottadb.rs:134:38
[INFO] [stdout]     |
[INFO] [stdout] 134 |             KeyStructure::Compound { key_columns } => {
[INFO] [stdout]     |                                      ^^^^^^^^^^^ help: try ignoring the field: `key_columns: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/backends/yottadb.rs:502:13
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Expr::Relation { name, schema } => {
[INFO] [stdout]     |             ------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 258 |             Expr::Select { input, predicate } => {
[INFO] [stdout]     |             --------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 273 |             Expr::Project { input, columns } => {
[INFO] [stdout]     |             -------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |             ------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 502 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `condition`
[INFO] [stdout]    --> src/backends/yottadb.rs:288:39
[INFO] [stdout]     |
[INFO] [stdout] 288 |             Expr::Join { left, right, condition } => {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: try ignoring the field: `condition: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:290:67
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 if let (Expr::Relation { name: left_name, schema: left_schema },
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:291:68
[INFO] [stdout]     |
[INFO] [stdout] 291 |                         Expr::Relation { name: right_name, schema: right_schema }) = (&**left, &**right) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_schema`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schema`
[INFO] [stdout]    --> src/backends/yottadb.rs:325:47
[INFO] [stdout]     |
[INFO] [stdout] 325 |                 if let Expr::Relation { name, schema } = &**input {
[INFO] [stdout]     |                                               ^^^^^^ help: try ignoring the field: `schema: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66", kill_on_drop: false }`
[INFO] [stdout] 2e81bfc86f416ed408d72e7677a3d30e72f085f7f493014f91470a2d32f66d66
