[INFO] fetching crate diesel 2.0.4...
[INFO] testing diesel-2.0.4 against 1.69.0 for beta-1.70-1
[INFO] extracting crate diesel 2.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate diesel 2.0.4 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diesel 2.0.4
[INFO] finished tweaking crates.io crate diesel 2.0.4
[INFO] tweaked toml for crates.io crate diesel 2.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dotenvy v0.15.7
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded bigdecimal v0.3.0
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1fdc5877fffc205805d728f1d65da0c347a5583421daab343dfeb3e8fdc5685
[INFO] running `Command { std: "docker" "start" "-a" "f1fdc5877fffc205805d728f1d65da0c347a5583421daab343dfeb3e8fdc5685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1fdc5877fffc205805d728f1d65da0c347a5583421daab343dfeb3e8fdc5685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fdc5877fffc205805d728f1d65da0c347a5583421daab343dfeb3e8fdc5685", kill_on_drop: false }`
[INFO] [stdout] f1fdc5877fffc205805d728f1d65da0c347a5583421daab343dfeb3e8fdc5685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5493434a3c5fd321df7b4a61b1f1211db92dfc7b6fcc41d6976063cc3fa29517
[INFO] running `Command { std: "docker" "start" "-a" "5493434a3c5fd321df7b4a61b1f1211db92dfc7b6fcc41d6976063cc3fa29517", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling diesel_derives v2.0.2
[INFO] [stderr]    Compiling diesel v2.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait aliases are experimental
[INFO] [stdout]    --> src/expression/mod.rs:590:1
[INFO] [stdout]     |
[INFO] [stdout] 590 | / pub trait NonAggregate = ValidGrouping<()>
[INFO] [stdout] 591 | | where
[INFO] [stdout] 592 | |     <Self as ValidGrouping<()>>::IsAggregate:
[INFO] [stdout] 593 | |         MixedAggregates<is_aggregate::No, Output = is_aggregate::No>;
[INFO] [stdout]     | |_____________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #41517 <https://github.com/rust-lang/rust/issues/41517> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.56s
[INFO] running `Command { std: "docker" "inspect" "5493434a3c5fd321df7b4a61b1f1211db92dfc7b6fcc41d6976063cc3fa29517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5493434a3c5fd321df7b4a61b1f1211db92dfc7b6fcc41d6976063cc3fa29517", kill_on_drop: false }`
[INFO] [stdout] 5493434a3c5fd321df7b4a61b1f1211db92dfc7b6fcc41d6976063cc3fa29517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0577890069f83c4850de818612bdbbd614dd888100b0c6fd710e8a1ddccd39b0
[INFO] running `Command { std: "docker" "start" "-a" "0577890069f83c4850de818612bdbbd614dd888100b0c6fd710e8a1ddccd39b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stdout] warning: trait aliases are experimental
[INFO] [stdout]    --> src/expression/mod.rs:590:1
[INFO] [stdout]     |
[INFO] [stdout] 590 | / pub trait NonAggregate = ValidGrouping<()>
[INFO] [stdout] 591 | | where
[INFO] [stdout] 592 | |     <Self as ValidGrouping<()>>::IsAggregate:
[INFO] [stdout] 593 | |         MixedAggregates<is_aggregate::No, Output = is_aggregate::No>;
[INFO] [stdout]     | |_____________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #41517 <https://github.com/rust-lang/rust/issues/41517> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling ipnetwork v0.20.0
[INFO] [stderr]    Compiling diesel v2.0.4 (/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] error[E0432]: unresolved import `crate::test_helpers::TestConnection`
[INFO] [stdout]    --> src/connection/transaction_manager.rs:499:13
[INFO] [stdout]     |
[INFO] [stdout] 499 |         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:373:49
[INFO] [stdout]     |
[INFO] [stdout] 373 |               .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:192:1
[INFO] [stdout]     |
[INFO] [stdout] 192 | / pub trait Connection: SimpleConnection + Sized + Send
[INFO] [stdout] 193 | | where
[INFO] [stdout] 194 | |     // This trait bound is there so that implementing a new connection is
[INFO] [stdout] 195 | |     // gated behind the `i-implement-a-third-party-backend-and-opt-into-breaking-changes`
[INFO] [stdout] ...   |
[INFO] [stdout] 375 | |     ) -> &mut <Self::TransactionManager as TransactionManager<Self>>::TransactionStateData;
[INFO] [stdout] 376 | | }
[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: unused macro definition: `assert_boxed_query_send`
[INFO] [stdout]    --> src/query_builder/select_statement/boxed.rs:573:18
[INFO] [stdout]     |
[INFO] [stdout] 573 |     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: impl method assumes more implied bounds than the corresponding trait method
[INFO] [stdout]    --> src/connection/transaction_manager.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 | /             fn transaction_state(
[INFO] [stdout] 564 | |                 &mut self,
[INFO] [stdout] 565 | |             ) -> &mut <Self::TransactionManager as TransactionManager<Self>>::TransactionStateData
[INFO] [stdout]     | |__________________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #105572 <https://github.com/rust-lang/rust/issues/105572>
[INFO] [stdout]     = note: `#[warn(implied_bounds_entailment)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 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` due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0577890069f83c4850de818612bdbbd614dd888100b0c6fd710e8a1ddccd39b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0577890069f83c4850de818612bdbbd614dd888100b0c6fd710e8a1ddccd39b0", kill_on_drop: false }`
[INFO] [stdout] 0577890069f83c4850de818612bdbbd614dd888100b0c6fd710e8a1ddccd39b0
