[INFO] fetching crate diesel_codegen 0.16.1...
[INFO] checking diesel_codegen-0.16.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate diesel_codegen 0.16.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate diesel_codegen 0.16.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diesel_codegen 0.16.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate diesel_codegen 0.16.1
[INFO] tweaked toml for crates.io crate diesel_codegen 0.16.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-7/source/tests/associations.rs
[INFO] [stderr] * /workspace/builds/worker-7/source/tests/queryable.rs
[INFO] [stderr] * /workspace/builds/worker-7/source/tests/test_helpers.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clippy v0.0.138
[INFO] [stderr]   Downloaded diesel v0.16.0
[INFO] [stderr]   Downloaded clippy_lints v0.0.138
[INFO] [stderr]   Downloaded diesel_infer_schema v0.16.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f1c523ffb4cfc5a425c0916c5fa9d865426da88e0cbcebc2aebf34e4e35e495
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f1c523ffb4cfc5a425c0916c5fa9d865426da88e0cbcebc2aebf34e4e35e495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1c523ffb4cfc5a425c0916c5fa9d865426da88e0cbcebc2aebf34e4e35e495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1c523ffb4cfc5a425c0916c5fa9d865426da88e0cbcebc2aebf34e4e35e495", kill_on_drop: false }`
[INFO] [stdout] 5f1c523ffb4cfc5a425c0916c5fa9d865426da88e0cbcebc2aebf34e4e35e495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b775870ecefeac66d6733dbdb7cb73550f6768031f8e062e861f092721be572
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9b775870ecefeac66d6733dbdb7cb73550f6768031f8e062e861f092721be572", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/tests/associations.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/queryable.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/test_helpers.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]     Checking unicode-xid v0.0.4
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking diesel v0.16.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking synom v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking diesel_codegen v0.16.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:75:80
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn migration_literals_from_path(path: &Path) -> Result<Vec<quote::Tokens>, Box<Error>> {
[INFO] [stdout]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     try!(migration_paths_in_directory(path))
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:82:74
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn migration_literal_from_path(path: &Path) -> Result<quote::Tokens, Box<Error>> {
[INFO] [stdout]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let version = try!(version_from_path(path));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/migrations.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     -> Result<PathBuf, Box<Error>>
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let cargo_toml_directory = try!(env::var("CARGO_MANIFEST_DIR"));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/migrations.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> Result<PathBuf, Box<Error>> {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             try!(search_for_migrations_directory(&src_dir))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:75:80
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn migration_literals_from_path(path: &Path) -> Result<Vec<quote::Tokens>, Box<Error>> {
[INFO] [stdout]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     try!(migration_paths_in_directory(path))
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:82:74
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn migration_literal_from_path(path: &Path) -> Result<quote::Tokens, Box<Error>> {
[INFO] [stdout]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let version = try!(version_from_path(path));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/migrations.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     -> Result<PathBuf, Box<Error>>
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let cargo_toml_directory = try!(env::var("CARGO_MANIFEST_DIR"));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/migrations.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> Result<PathBuf, Box<Error>> {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             try!(search_for_migrations_directory(&src_dir))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:75:80
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn migration_literals_from_path(path: &Path) -> Result<Vec<quote::Tokens>, Box<Error>> {
[INFO] [stdout]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     try!(migration_paths_in_directory(path))
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(warnings, missing_copy_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/embed_migrations.rs:82:74
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn migration_literal_from_path(path: &Path) -> Result<quote::Tokens, Box<Error>> {
[INFO] [stdout]    |                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/embed_migrations.rs:83:19
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let version = try!(version_from_path(path));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/migrations.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     -> Result<PathBuf, Box<Error>>
[INFO] [stdout]   |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let cargo_toml_directory = try!(env::var("CARGO_MANIFEST_DIR"));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/migrations.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 | ) -> Result<PathBuf, Box<Error>> {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/migrations.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             try!(search_for_migrations_directory(&src_dir))
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test_helpers::connection`
[INFO] [stdout]  --> tests/queryable.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use test_helpers::connection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^----------
[INFO] [stdout]   |     |             |
[INFO] [stdout]   |     |             help: a similar name exists in the module (notice the capitalization): `Connection`
[INFO] [stdout]   |     no `connection` in `test_helpers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]   --> tests/associations.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn simple_belongs_to() {
[INFO] [stdout]    |                     - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 62 |         debug_query::<Backend, _>(&belong_to).to_string(),
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]   --> tests/associations.rs:63:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn simple_belongs_to() {
[INFO] [stdout]    |                     - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 63 |         debug_query::<Backend, _>(&filter).to_string()
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]    --> tests/associations.rs:121:23
[INFO] [stdout]     |
[INFO] [stdout] 69  | fn custom_foreign_key() {
[INFO] [stdout]     |                      - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 121 |         debug_query::<Backend, _>(&belong_to).to_string(),
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]    --> tests/associations.rs:122:23
[INFO] [stdout]     |
[INFO] [stdout] 69  | fn custom_foreign_key() {
[INFO] [stdout]     |                      - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 122 |         debug_query::<Backend, _>(&filter).to_string()
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]    --> tests/associations.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn self_referential() {
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 149 |         debug_query::<Backend, _>(&belong_to).to_string(),
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Backend` in this scope
[INFO] [stdout]    --> tests/associations.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn self_referential() {
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `<Backend>`
[INFO] [stdout] ...
[INFO] [stdout] 150 |         debug_query::<Backend, _>(&filter).to_string()
[INFO] [stdout]     |                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `diesel::prelude::*`
[INFO] [stdout]  --> tests/test_helpers.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use diesel::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning 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_codegen` due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9b775870ecefeac66d6733dbdb7cb73550f6768031f8e062e861f092721be572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b775870ecefeac66d6733dbdb7cb73550f6768031f8e062e861f092721be572", kill_on_drop: false }`
[INFO] [stdout] 9b775870ecefeac66d6733dbdb7cb73550f6768031f8e062e861f092721be572
