[INFO] fetching crate diesel 2.3.3...
[INFO] testing diesel-2.3.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate diesel 2.3.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate diesel 2.3.3
[INFO] finished tweaking crates.io crate diesel 2.3.3
[INFO] tweaked toml for crates.io crate diesel 2.3.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diesel 2.3.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diesel 2.3.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 327d0b956610b491ef9ce5b4563da95457fc68bb3d24ea8e499a2a88f0f093d0
[INFO] running `Command { std: "docker" "start" "-a" "327d0b956610b491ef9ce5b4563da95457fc68bb3d24ea8e499a2a88f0f093d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327d0b956610b491ef9ce5b4563da95457fc68bb3d24ea8e499a2a88f0f093d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d0b956610b491ef9ce5b4563da95457fc68bb3d24ea8e499a2a88f0f093d0", kill_on_drop: false }`
[INFO] [stdout] 327d0b956610b491ef9ce5b4563da95457fc68bb3d24ea8e499a2a88f0f093d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a9e73203a842167ca0e34ef7b3ced046d45e831441f6180656e7163b5da830e
[INFO] running `Command { std: "docker" "start" "-a" "2a9e73203a842167ca0e34ef7b3ced046d45e831441f6180656e7163b5da830e", kill_on_drop: false }`
[INFO] [stderr]    Compiling diesel_derives v2.3.4
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling dsl_auto_type v0.2.0
[INFO] [stderr]    Compiling diesel v2.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NoInstrumentation` is never constructed
[INFO] [stdout]    --> src/connection/instrumentation.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 | struct NoInstrumentation;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unpack_instrumentation` is never used
[INFO] [stdout]    --> src/connection/instrumentation.rs:425:4
[INFO] [stdout]     |
[INFO] [stdout] 425 | fn unpack_instrumentation(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.85s
[INFO] running `Command { std: "docker" "inspect" "2a9e73203a842167ca0e34ef7b3ced046d45e831441f6180656e7163b5da830e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9e73203a842167ca0e34ef7b3ced046d45e831441f6180656e7163b5da830e", kill_on_drop: false }`
[INFO] [stdout] 2a9e73203a842167ca0e34ef7b3ced046d45e831441f6180656e7163b5da830e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee3e7847bd1118ad03cc2b59efe3232a19375c9e323bb096e60c3718750d1e68
[INFO] running `Command { std: "docker" "start" "-a" "ee3e7847bd1118ad03cc2b59efe3232a19375c9e323bb096e60c3718750d1e68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling ipnetwork v0.21.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stdout] warning: struct `NoInstrumentation` is never constructed
[INFO] [stdout]    --> src/connection/instrumentation.rs:418:8
[INFO] [stdout]     |
[INFO] [stdout] 418 | struct NoInstrumentation;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unpack_instrumentation` is never used
[INFO] [stdout]    --> src/connection/instrumentation.rs:425:4
[INFO] [stdout]     |
[INFO] [stdout] 425 | fn unpack_instrumentation(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling diesel v2.3.3 (/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]        
[INFO] [stdout]   --> src/test_helpers.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         compile_error!(
[INFO] [stdout] 47 | |             "At least one backend must be used to test this crate.\n \
[INFO] [stdout] 48 | |             Pass argument `--features \"<backend>\"` with one or more of the following backends, \
[INFO] [stdout] 49 | |             'mysql', 'postgres', or 'sqlite'. \n\n \
[INFO] [stdout] 50 | |             ex. cargo test --features \"mysql postgres sqlite\"\n"
[INFO] [stdout] 51 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::test_helpers::TestConnection`
[INFO] [stdout]    --> src/connection/transaction_manager.rs:538:13
[INFO] [stdout]     |
[INFO] [stdout] 538 |         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[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/query_builder/sql_query.rs:421:7
[INFO] [stdout]     |
[INFO] [stdout] 421 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/query_builder/select_statement/boxed.rs:601:7
[INFO] [stdout]     |
[INFO] [stdout] 601 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/query_builder/query_id.rs:136:7
[INFO] [stdout]     |
[INFO] [stdout] 136 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/query_builder/query_id.rs:129:7
[INFO] [stdout]     |
[INFO] [stdout] 129 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/query_builder/query_id.rs:121:7
[INFO] [stdout]     |
[INFO] [stdout] 121 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `diesel_test_helper`
[INFO] [stdout]    --> src/connection/transaction_manager.rs:651:7
[INFO] [stdout]     |
[INFO] [stdout] 651 |     #[diesel_test_helper::test]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `diesel_test_helper`
[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:424:49
[INFO] [stdout]     |
[INFO] [stdout] 424 |               .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:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | / pub trait Connection: SimpleConnection + Sized + Send
[INFO] [stdout] 223 | | where
[INFO] [stdout] ...   |
[INFO] [stdout] 418 | |     fn set_prepared_statement_cache_size(&mut self, size: CacheSize);
[INFO] [stdout] 419 | | }
[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:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::prelude::*;
[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 macro definition: `assert_boxed_query_send`
[INFO] [stdout]    --> src/query_builder/select_statement/boxed.rs:590:18
[INFO] [stdout]     |
[INFO] [stdout] 590 |     macro_rules! assert_boxed_query_send {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[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 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ee3e7847bd1118ad03cc2b59efe3232a19375c9e323bb096e60c3718750d1e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3e7847bd1118ad03cc2b59efe3232a19375c9e323bb096e60c3718750d1e68", kill_on_drop: false }`
[INFO] [stdout] ee3e7847bd1118ad03cc2b59efe3232a19375c9e323bb096e60c3718750d1e68
