[INFO] fetching crate diesel 1.4.8...
[INFO] testing diesel-1.4.8 against 1.60.0 for beta-1.61-1
[INFO] extracting crate diesel 1.4.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate diesel 1.4.8 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diesel 1.4.8
[INFO] finished tweaking crates.io crate diesel 1.4.8
[INFO] tweaked toml for crates.io crate diesel 1.4.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f399a0715f4a80025e825acc234d9594161975da181f0d89f8d061fa1d5d81c
[INFO] running `Command { std: "docker" "start" "-a" "3f399a0715f4a80025e825acc234d9594161975da181f0d89f8d061fa1d5d81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f399a0715f4a80025e825acc234d9594161975da181f0d89f8d061fa1d5d81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f399a0715f4a80025e825acc234d9594161975da181f0d89f8d061fa1d5d81c", kill_on_drop: false }`
[INFO] [stdout] 3f399a0715f4a80025e825acc234d9594161975da181f0d89f8d061fa1d5d81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16b51e83de5615b981b69317de327cabffda2ebadea3193624ce2d099daa7808
[INFO] running `Command { std: "docker" "start" "-a" "16b51e83de5615b981b69317de327cabffda2ebadea3193624ce2d099daa7808", kill_on_drop: false }`
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling diesel v1.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:269:64
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Error::RollbackTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:270:65
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Error::AlreadyInTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:279:59
[INFO] [stdout]     |
[INFO] [stdout] 279 |             Error::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |             Error::QueryBuilderError(ref e) => e.description(),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:283:53
[INFO] [stdout]     |
[INFO] [stdout] 283 |             Error::DeserializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:284:51
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Error::SerializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:319:69
[INFO] [stdout]     |
[INFO] [stdout] 319 |             ConnectionError::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:322:68
[INFO] [stdout]     |
[INFO] [stdout] 322 |             ConnectionError::CouldntSetupConfiguration(ref e) => e.description(),
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:368:30
[INFO] [stdout]     |
[INFO] [stdout] 368 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |             MigrationError::IoError(ref error) => error.description(),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:98:68
[INFO] [stdout]    |
[INFO] [stdout] 98 |             RunMigrationsError::MigrationError(ref error) => error.description(),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:99:64
[INFO] [stdout]    |
[INFO] [stdout] 99 |             RunMigrationsError::QueryError(ref error) => error.description(),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/migration/errors.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f, "Failed with: {}", self.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "16b51e83de5615b981b69317de327cabffda2ebadea3193624ce2d099daa7808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b51e83de5615b981b69317de327cabffda2ebadea3193624ce2d099daa7808", kill_on_drop: false }`
[INFO] [stdout] 16b51e83de5615b981b69317de327cabffda2ebadea3193624ce2d099daa7808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390aefe2a29d04376ec4dd9382d0295c1f55ed52d7c12e563867c63fb4d84a93
[INFO] running `Command { std: "docker" "start" "-a" "390aefe2a29d04376ec4dd9382d0295c1f55ed52d7c12e563867c63fb4d84a93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:269:64
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Error::RollbackTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:270:65
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Error::AlreadyInTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:279:59
[INFO] [stdout]     |
[INFO] [stdout] 279 |             Error::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |             Error::QueryBuilderError(ref e) => e.description(),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:283:53
[INFO] [stdout]     |
[INFO] [stdout] 283 |             Error::DeserializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:284:51
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Error::SerializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:319:69
[INFO] [stdout]     |
[INFO] [stdout] 319 |             ConnectionError::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:322:68
[INFO] [stdout]     |
[INFO] [stdout] 322 |             ConnectionError::CouldntSetupConfiguration(ref e) => e.description(),
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:368:30
[INFO] [stdout]     |
[INFO] [stdout] 368 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |             MigrationError::IoError(ref error) => error.description(),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:98:68
[INFO] [stdout]    |
[INFO] [stdout] 98 |             RunMigrationsError::MigrationError(ref error) => error.description(),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:99:64
[INFO] [stdout]    |
[INFO] [stdout] 99 |             RunMigrationsError::QueryError(ref error) => error.description(),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/migration/errors.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f, "Failed with: {}", self.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling derive-error-chain v0.10.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling dotenv v0.10.1
[INFO] [stderr]    Compiling diesel v1.4.8 (/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: unused import: `prelude::*`
[INFO] [stdout]     --> src/macros/mod.rs:1070:9
[INFO] [stdout]      |
[INFO] [stdout] 1070 |     use prelude::*;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::*`
[INFO] [stdout]    --> src/test_helpers.rs:3:5
[INFO] [stdout]     |
[INFO] [stdout] 3   | use prelude::*;
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/lib.rs:181:1
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub mod test_helpers;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:269:64
[INFO] [stdout]     |
[INFO] [stdout] 269 |             Error::RollbackTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:270:65
[INFO] [stdout]     |
[INFO] [stdout] 270 |             Error::AlreadyInTransaction => write!(f, "{}", self.description()),
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:279:59
[INFO] [stdout]     |
[INFO] [stdout] 279 |             Error::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:282:50
[INFO] [stdout]     |
[INFO] [stdout] 282 |             Error::QueryBuilderError(ref e) => e.description(),
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:283:53
[INFO] [stdout]     |
[INFO] [stdout] 283 |             Error::DeserializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:284:51
[INFO] [stdout]     |
[INFO] [stdout] 284 |             Error::SerializationError(ref e) => e.description(),
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:319:69
[INFO] [stdout]     |
[INFO] [stdout] 319 |             ConnectionError::InvalidCString(ref nul_err) => nul_err.description(),
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:322:68
[INFO] [stdout]     |
[INFO] [stdout] 322 |             ConnectionError::CouldntSetupConfiguration(ref e) => e.description(),
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:368:30
[INFO] [stdout]     |
[INFO] [stdout] 368 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:40:57
[INFO] [stdout]    |
[INFO] [stdout] 40 |             MigrationError::IoError(ref error) => error.description(),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 54 |         self.description().fmt(f)
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:98:68
[INFO] [stdout]    |
[INFO] [stdout] 98 |             RunMigrationsError::MigrationError(ref error) => error.description(),
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/migration/errors.rs:99:64
[INFO] [stdout]    |
[INFO] [stdout] 99 |             RunMigrationsError::QueryError(ref error) => error.description(),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/migration/errors.rs:108:43
[INFO] [stdout]     |
[INFO] [stdout] 108 |         write!(f, "Failed with: {}", self.description())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diesel` due to 2 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "390aefe2a29d04376ec4dd9382d0295c1f55ed52d7c12e563867c63fb4d84a93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390aefe2a29d04376ec4dd9382d0295c1f55ed52d7c12e563867c63fb4d84a93", kill_on_drop: false }`
[INFO] [stdout] 390aefe2a29d04376ec4dd9382d0295c1f55ed52d7c12e563867c63fb4d84a93