[INFO] fetching crate cdbc-mssql 0.1.22...
[INFO] checking cdbc-mssql-0.1.22 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate cdbc-mssql 0.1.22 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cdbc-mssql 0.1.22 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdbc-mssql 0.1.22
[INFO] finished tweaking crates.io crate cdbc-mssql 0.1.22
[INFO] tweaked toml for crates.io crate cdbc-mssql 0.1.22 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cdbc v0.1.23
[INFO] [stderr]   Downloaded cdbc-macro v0.1.23
[INFO] [stderr]   Downloaded mco v0.1.44
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded mco-gen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6586c5792234e8ccbc01b84d6603ef25e9853aabede945aedcccf178046b953
[INFO] running `Command { std: "docker" "start" "-a" "d6586c5792234e8ccbc01b84d6603ef25e9853aabede945aedcccf178046b953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6586c5792234e8ccbc01b84d6603ef25e9853aabede945aedcccf178046b953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6586c5792234e8ccbc01b84d6603ef25e9853aabede945aedcccf178046b953", kill_on_drop: false }`
[INFO] [stdout] d6586c5792234e8ccbc01b84d6603ef25e9853aabede945aedcccf178046b953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db2fddd1651b6999453d80b3d195efc0a2190045be7fa2fc344765d0e44c9b58
[INFO] running `Command { std: "docker" "start" "-a" "db2fddd1651b6999453d80b3d195efc0a2190045be7fa2fc344765d0e44c9b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling mco v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking time v0.3.25
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling cdbc-macro v0.1.23
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling mco-gen v0.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cdbc v0.1.23
[INFO] [stderr]     Checking cdbc-mssql v0.1.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> src/connection/executor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `err_end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cdbc-0.1.23/src/io/chan_stream.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             macro_rules! err_end {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cdbc-0.1.23/src/io/chan_stream.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]   --> src/connection/executor.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::borrow::Cow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `err_end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cdbc-0.1.23/src/io/chan_stream.rs:108:26
[INFO] [stdout]     |
[INFO] [stdout] 108 |             macro_rules! err_end {
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/cdbc-0.1.23/src/io/chan_stream.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encode`, `IsNull`
[INFO] [stdout]  --> src/types/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cdbc::encode::{Encode, IsNull};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataType`, `TypeInfo`
[INFO] [stdout]  --> src/types/mod.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::protocol::type_info::{DataType, TypeInfo};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MssqlTypeInfo`, `Mssql`
[INFO] [stdout]  --> src/types/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Mssql, MssqlTypeInfo};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encode`, `IsNull`
[INFO] [stdout]  --> src/types/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cdbc::encode::{Encode, IsNull};
[INFO] [stdout]   |                    ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataType`, `TypeInfo`
[INFO] [stdout]  --> src/types/mod.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::protocol::type_info::{DataType, TypeInfo};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MssqlTypeInfo`, `Mssql`
[INFO] [stdout]  --> src/types/mod.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Mssql, MssqlTypeInfo};
[INFO] [stdout]   |             ^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/options/connect.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn connect(&self,d:Duration) ->Result<Self::Connection, Error>
[INFO] [stdout]   |                      ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]  --> src/options/connect.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn connect(&self,d:Duration) ->Result<Self::Connection, Error>
[INFO] [stdout]   |                      ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor_command` is never read
[INFO] [stdout]   --> src/protocol/done.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Done {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     cursor_command: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Done` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `columns` is never read
[INFO] [stdout]  --> src/protocol/order.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Order {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     columns: Bytes,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Order` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/protocol/return_status.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ReturnStatus {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |     value: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReturnStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `param_ordinal`, `param_name`, `status`, `user_type`, and `flags` are never read
[INFO] [stdout]   --> src/protocol/return_value.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ReturnValue {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     param_ordinal: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     param_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     status: ReturnValueStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     user_type: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     flags: Flags,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor_command` is never read
[INFO] [stdout]   --> src/protocol/done.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Done {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     cursor_command: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Done` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `columns` is never read
[INFO] [stdout]  --> src/protocol/order.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Order {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 7 |     columns: Bytes,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Order` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/protocol/return_status.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ReturnStatus {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |     value: i32,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReturnStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `param_ordinal`, `param_name`, `status`, `user_type`, and `flags` are never read
[INFO] [stdout]   --> src/protocol/return_value.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ReturnValue {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 11 |     param_ordinal: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     param_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     status: ReturnValueStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     user_type: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     flags: Flags,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReturnValue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/connection/executor.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#yield!(Either::Right(MssqlRow { row, column_names, columns }));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection/executor.rs:98:29
[INFO] [stdout]     |
[INFO] [stdout] 98  | / ...                   r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout] 99  | | ...                       rows_affected: done.affected_rows,
[INFO] [stdout] 100 | | ...                   }));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection/executor.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | / ...                   r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout] 111 | | ...                       rows_affected: done.affected_rows,
[INFO] [stdout] 112 | | ...                   }));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/connection/executor.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         r#yield!(Either::Right(MssqlRow { row, column_names, columns }));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection/executor.rs:98:29
[INFO] [stdout]     |
[INFO] [stdout] 98  | / ...                   r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout] 99  | | ...                       rows_affected: done.affected_rows,
[INFO] [stdout] 100 | | ...                   }));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection/executor.rs:110:29
[INFO] [stdout]     |
[INFO] [stdout] 110 | / ...                   r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout] 111 | | ...                       rows_affected: done.affected_rows,
[INFO] [stdout] 112 | | ...                   }));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "db2fddd1651b6999453d80b3d195efc0a2190045be7fa2fc344765d0e44c9b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db2fddd1651b6999453d80b3d195efc0a2190045be7fa2fc344765d0e44c9b58", kill_on_drop: false }`
[INFO] [stdout] db2fddd1651b6999453d80b3d195efc0a2190045be7fa2fc344765d0e44c9b58
