[INFO] fetching crate diesel 2.1.4...
[INFO] checking diesel-2.1.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate diesel 2.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate diesel 2.1.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diesel 2.1.4
[INFO] finished tweaking crates.io crate diesel 2.1.4
[INFO] tweaked toml for crates.io crate diesel 2.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding libsqlite3-sys v0.27.0 (latest: v0.28.0)
[INFO] [stderr]       Adding pq-sys v0.4.8 (latest: v0.5.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pq-sys v0.4.8
[INFO] [stderr]   Downloaded r2d2 v0.8.10
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.7
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.5
[INFO] [stderr]   Downloaded diesel_table_macro_syntax v0.1.0
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded dotenvy v0.15.7
[INFO] [stderr]   Downloaded libm v0.2.8
[INFO] [stderr]   Downloaded bigdecimal v0.4.3
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded chrono v0.4.37
[INFO] [stderr]   Downloaded diesel_derives v2.1.3
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded libsqlite3-sys v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07fbc545ae86e8528343f609d81f3a74bc94a2ddd41de79965e15c26a4ec3566
[INFO] running `Command { std: "docker" "start" "-a" "07fbc545ae86e8528343f609d81f3a74bc94a2ddd41de79965e15c26a4ec3566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07fbc545ae86e8528343f609d81f3a74bc94a2ddd41de79965e15c26a4ec3566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fbc545ae86e8528343f609d81f3a74bc94a2ddd41de79965e15c26a4ec3566", kill_on_drop: false }`
[INFO] [stdout] 07fbc545ae86e8528343f609d81f3a74bc94a2ddd41de79965e15c26a4ec3566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa3dae1aa80b393dc4bef117e0461e81dc08e81f05aa63b1f47c733e8c7c87dc
[INFO] running `Command { std: "docker" "start" "-a" "aa3dae1aa80b393dc4bef117e0461e81dc08e81f05aa63b1f47c733e8c7c87dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.1.0
[INFO] [stderr]     Checking ipnetwork v0.20.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling diesel_derives v2.1.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking diesel v2.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: At least one backend must be used to test this crate.
[INFO] [stdout]         Pass argument `--features "<backend>"` with one or more of the following backends, 'mysql', 'postgres', or 'sqlite'. 
[INFO] [stdout]        
[INFO] [stdout]         ex. cargo test --features "mysql postgres sqlite"
[INFO] [stdout]   --> src/test_helpers.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | /         compile_error!(
[INFO] [stdout] 46 | |             "At least one backend must be used to test this crate.\n \
[INFO] [stdout] 47 | |             Pass argument `--features \"<backend>\"` with one or more of the following backends, \
[INFO] [stdout] 48 | |             'mysql', 'postgres', or 'sqlite'. \n\n \
[INFO] [stdout] 49 | |             ex. cargo test --features \"mysql postgres sqlite\"\n"
[INFO] [stdout] 50 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Identifiable` is imported redundantly
[INFO] [stdout]  --> src/associations/belongs_to.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{HasTable, Identifiable};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Identifiable` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/assume_not_null.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypedExpressionType` is imported redundantly
[INFO] [stdout]  --> src/expression/assume_not_null.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `TypedExpressionType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Backend` is already imported here
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasSqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `HasSqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, HasSqlType, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, HasSqlType, SqlType};
[INFO] [stdout]   |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/coerce.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/coerce.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::sql_types::{DieselNumericOps, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/nullable.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypedExpressionType` is imported redundantly
[INFO] [stdout]  --> src/expression/nullable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `TypedExpressionType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/sql_literal.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/sql_literal.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/subselect.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::sql_types::SqlType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/delete_statement/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/delete_statement/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromClause` is imported redundantly
[INFO] [stdout]   --> src/query_builder/delete_statement/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `FromClause` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 12 | use super::from_clause::FromClause;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/distinct_clause.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/distinct_clause.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::query_dsl::order_dsl::ValidOrderingForDistinct;
[INFO] [stdout] 4 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/column_list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/column_list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::query_source::Column;
[INFO] [stdout] 4 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/insert_from_select.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/insert_statement/mod.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::backend::{sql_dialect, Backend, DieselReserveSpecialization, SqlDialect};
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/insert_statement/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/nodes/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/nodes/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/select_clause.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::{Expression, SelectableExpression};
[INFO] [stdout] 4 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:3:35
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::backend::{sql_dialect, Backend, DieselReserveSpecialization};
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromClause` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::query_builder::from_clause::FromClause;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `FromClause` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 24 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BoxedDsl` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/dsl_impls.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::query_dsl::boxed_dsl::BoxedDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::query_dsl::methods::*;
[INFO] [stdout]    |     ---------------------------- the item `BoxedDsl` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/update_statement/changeset.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/update_statement/changeset.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 6 | use crate::query_source::{Column, QuerySource};
[INFO] [stdout] 7 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UpdateTarget` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use self::target::UpdateTarget;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `UpdateTarget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:6:22
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `QueryResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_actions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use crate::expression::{AppearsOnTable, Expression};
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_actions.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 7 | use crate::query_source::*;
[INFO] [stdout] 8 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_clause.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_clause.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 8 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_target.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{sql_dialect, Backend};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout] 2 | use crate::expression::SqlLiteral;
[INFO] [stdout] 3 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_target.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 4 | use crate::query_source::Column;
[INFO] [stdout] 5 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/where_clause.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Backend` is already imported here
[INFO] [stdout] 3 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/where_clause.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QuerySource` is imported redundantly
[INFO] [stdout]  --> src/query_source/joins.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{AppearsInFromClause, Plus, QuerySource};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `QuerySource` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SelectableExpression` is imported redundantly
[INFO] [stdout]  --> src/query_source/joins.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::expression::SelectableExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `SelectableExpression` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_source/joins.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/result.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]    --> src/type_impls/primitives.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 | use std::borrow::{Cow, ToOwned};
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::test_helpers::TestConnection`
[INFO] [stdout]    --> src/connection/transaction_manager.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |         use crate::test_helpers::TestConnection;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^--------------
[INFO] [stdout]     |             |                    |
[INFO] [stdout]     |             |                    help: a similar name exists in the module: `Connection`
[INFO] [stdout]     |             no `TestConnection` in `test_helpers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TestConnection` in module `crate::test_helpers`
[INFO] [stdout]    --> src/query_builder/sql_query.rs:371:49
[INFO] [stdout]     |
[INFO] [stdout] 371 |               .into_boxed::<<crate::test_helpers::TestConnection as crate::Connection>::Backend>(
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^ help: a trait with a similar name exists: `Connection`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/connection/mod.rs:201:1
[INFO] [stdout]     |
[INFO] [stdout] 201 | / pub trait Connection: SimpleConnection + Sized + Send
[INFO] [stdout] 202 | | where
[INFO] [stdout] 203 | |     // This trait bound is there so that implementing a new connection is
[INFO] [stdout] 204 | |     // gated behind the `i-implement-a-third-party-backend-and-opt-into-breaking-changes`
[INFO] [stdout] ...   |
[INFO] [stdout] 383 | |     ) -> &mut <Self::TransactionManager as TransactionManager<Self>>::TransactionStateData;
[INFO] [stdout] 384 | | }
[INFO] [stdout]     | |_- similarly named trait `Connection` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::prelude::*`
[INFO] [stdout]  --> src/test_helpers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Identifiable` is imported redundantly
[INFO] [stdout]  --> src/associations/belongs_to.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{HasTable, Identifiable};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Identifiable` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/assume_not_null.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypedExpressionType` is imported redundantly
[INFO] [stdout]  --> src/expression/assume_not_null.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `TypedExpressionType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Backend` is already imported here
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HasSqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `HasSqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, HasSqlType, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/bound.rs:8:54
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, HasSqlType, SqlType};
[INFO] [stdout]   |                                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/coerce.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/coerce.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::sql_types::{DieselNumericOps, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/nullable.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TypedExpressionType` is imported redundantly
[INFO] [stdout]  --> src/expression/nullable.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::expression::TypedExpressionType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `TypedExpressionType` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/expression/sql_literal.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/sql_literal.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 8 | use crate::sql_types::{DieselNumericOps, SqlType};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SqlType` is imported redundantly
[INFO] [stdout]  --> src/expression/subselect.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::expression::*;
[INFO] [stdout]   |     -------------------- the item `SqlType` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::sql_types::SqlType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/delete_statement/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/delete_statement/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromClause` is imported redundantly
[INFO] [stdout]   --> src/query_builder/delete_statement/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `FromClause` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 12 | use super::from_clause::FromClause;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/distinct_clause.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/distinct_clause.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::query_dsl::order_dsl::ValidOrderingForDistinct;
[INFO] [stdout] 4 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/column_list.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/column_list.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::query_source::Column;
[INFO] [stdout] 4 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/insert_statement/insert_from_select.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/insert_statement/mod.rs:11:35
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::backend::{sql_dialect, Backend, DieselReserveSpecialization, SqlDialect};
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/insert_statement/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/nodes/mod.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/nodes/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 3 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/select_clause.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::expression::{Expression, SelectableExpression};
[INFO] [stdout] 4 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:3:35
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::backend::{sql_dialect, Backend, DieselReserveSpecialization};
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromClause` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::query_builder::from_clause::FromClause;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `FromClause` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/boxed.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::query_builder::*;
[INFO] [stdout]    |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 24 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assert_boxed_query_send`
[INFO] [stdout]    --> src/query_builder/select_statement/boxed.rs:591:18
[INFO] [stdout]     |
[INFO] [stdout] 591 |     macro_rules! assert_boxed_query_send {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BoxedDsl` is imported redundantly
[INFO] [stdout]   --> src/query_builder/select_statement/dsl_impls.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::query_dsl::boxed_dsl::BoxedDsl;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 | use crate::query_dsl::methods::*;
[INFO] [stdout]    |     ---------------------------- the item `BoxedDsl` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/update_statement/changeset.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/update_statement/changeset.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 6 | use crate::query_source::{Column, QuerySource};
[INFO] [stdout] 7 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `UpdateTarget` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use self::target::UpdateTarget;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `UpdateTarget` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:6:22
[INFO] [stdout]    |
[INFO] [stdout] 6  | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_builder/update_statement/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18 | use crate::{query_builder::*, QuerySource};
[INFO] [stdout]    |             ---------------- the item `QueryResult` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_actions.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use crate::expression::{AppearsOnTable, Expression};
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_actions.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 7 | use crate::query_source::*;
[INFO] [stdout] 8 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_clause.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backend::Backend;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_clause.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 8 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_target.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::backend::{sql_dialect, Backend};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout] 2 | use crate::expression::SqlLiteral;
[INFO] [stdout] 3 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `Backend` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/upsert/on_conflict_target.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::query_builder::*;
[INFO] [stdout]   |     ----------------------- the item `QueryResult` is already imported here
[INFO] [stdout] 4 | use crate::query_source::Column;
[INFO] [stdout] 5 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Backend` is imported redundantly
[INFO] [stdout]  --> src/query_builder/where_clause.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `Backend` is already imported here
[INFO] [stdout] 3 | use crate::backend::{Backend, DieselReserveSpecialization};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]  --> src/query_builder/where_clause.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::*;
[INFO] [stdout]   |     -------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::result::QueryResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QuerySource` is imported redundantly
[INFO] [stdout]  --> src/query_source/joins.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{AppearsInFromClause, Plus, QuerySource};
[INFO] [stdout]   |                                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 7 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `QuerySource` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SelectableExpression` is imported redundantly
[INFO] [stdout]  --> src/query_source/joins.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::expression::SelectableExpression;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 | use crate::prelude::*;
[INFO] [stdout]   |     ----------------- the item `SelectableExpression` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `QueryResult` is imported redundantly
[INFO] [stdout]   --> src/query_source/joins.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `QueryResult` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::result::QueryResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/result.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToOwned` is imported redundantly
[INFO] [stdout]    --> src/type_impls/primitives.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 | use std::borrow::{Cow, ToOwned};
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout]    --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `ToOwned` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diesel` (lib test) due to 4 previous errors; 50 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aa3dae1aa80b393dc4bef117e0461e81dc08e81f05aa63b1f47c733e8c7c87dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3dae1aa80b393dc4bef117e0461e81dc08e81f05aa63b1f47c733e8c7c87dc", kill_on_drop: false }`
[INFO] [stdout] aa3dae1aa80b393dc4bef117e0461e81dc08e81f05aa63b1f47c733e8c7c87dc