[INFO] fetching crate diesel 2.1.4...
[INFO] testing diesel-2.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate diesel 2.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate diesel 2.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diesel_table_macro_syntax v0.1.0
[INFO] [stderr]   Downloaded pq-sys v0.4.8
[INFO] [stderr]   Downloaded ipnetwork v0.20.0
[INFO] [stderr]   Downloaded mysqlclient-sys v0.2.5
[INFO] [stderr]   Downloaded bigdecimal v0.4.2
[INFO] [stderr]   Downloaded diesel_derives v2.1.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.27.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6902b0b0aacad887485de1733ae01d6af5772104e41f9f6dc20ffd8a6d68bf59
[INFO] running `Command { std: "docker" "start" "-a" "6902b0b0aacad887485de1733ae01d6af5772104e41f9f6dc20ffd8a6d68bf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6902b0b0aacad887485de1733ae01d6af5772104e41f9f6dc20ffd8a6d68bf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6902b0b0aacad887485de1733ae01d6af5772104e41f9f6dc20ffd8a6d68bf59", kill_on_drop: false }`
[INFO] [stdout] 6902b0b0aacad887485de1733ae01d6af5772104e41f9f6dc20ffd8a6d68bf59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8825a6217c62e7b456063f52d73169f81334b60f5604632479de7eec72197db5
[INFO] running `Command { std: "docker" "start" "-a" "8825a6217c62e7b456063f52d73169f81334b60f5604632479de7eec72197db5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.1.0
[INFO] [stderr]    Compiling diesel_derives v2.1.2
[INFO] [stderr]    Compiling diesel v2.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `Command { std: "docker" "inspect" "8825a6217c62e7b456063f52d73169f81334b60f5604632479de7eec72197db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8825a6217c62e7b456063f52d73169f81334b60f5604632479de7eec72197db5", kill_on_drop: false }`
[INFO] [stdout] 8825a6217c62e7b456063f52d73169f81334b60f5604632479de7eec72197db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2eec6f40ce0f41efd54b2815868ab4fcee48a73b6b119f14b05866fc8c3ba9
[INFO] running `Command { std: "docker" "start" "-a" "2d2eec6f40ce0f41efd54b2815868ab4fcee48a73b6b119f14b05866fc8c3ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling ipnetwork v0.20.0
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling 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] 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: 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] error: aborting due to 3 previous errors; 2 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; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2d2eec6f40ce0f41efd54b2815868ab4fcee48a73b6b119f14b05866fc8c3ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2eec6f40ce0f41efd54b2815868ab4fcee48a73b6b119f14b05866fc8c3ba9", kill_on_drop: false }`
[INFO] [stdout] 2d2eec6f40ce0f41efd54b2815868ab4fcee48a73b6b119f14b05866fc8c3ba9
