[INFO] fetching crate cdbc-mssql 0.1.22...
[INFO] checking cdbc-mssql-0.1.22 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-136776-2
[INFO] extracting crate cdbc-mssql 0.1.22 into /workspace/builds/worker-7-tc1/source
[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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cdbc-mssql 0.1.22 on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 110 packages to latest compatible versions
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[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded percent-encoding v1.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] accb54799e41b4955a30d0c0b36b9f09cd9c7ae90b3ec41a8866bec8beddd646
[INFO] running `Command { std: "docker" "start" "-a" "accb54799e41b4955a30d0c0b36b9f09cd9c7ae90b3ec41a8866bec8beddd646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "accb54799e41b4955a30d0c0b36b9f09cd9c7ae90b3ec41a8866bec8beddd646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "accb54799e41b4955a30d0c0b36b9f09cd9c7ae90b3ec41a8866bec8beddd646", kill_on_drop: false }`
[INFO] [stdout] accb54799e41b4955a30d0c0b36b9f09cd9c7ae90b3ec41a8866bec8beddd646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b67d6908d213f83f838fb04ecba8742e3a9089e4438d2b414ce8a47f67a5ba
[INFO] running `Command { std: "docker" "start" "-a" "36b67d6908d213f83f838fb04ecba8742e3a9089e4438d2b414ce8a47f67a5ba", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cdbc-macro v0.1.23
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[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)]` (part of `#[warn(unused)]`) 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 definition: `err_end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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)]` (part of `#[warn(unused)]`) 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-1949cf8c6b5b557f/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` and `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` and `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` and `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 `#[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)]` (part of `#[warn(unused)]`) 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 definition: `err_end`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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)]` (part of `#[warn(unused)]`) 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-1949cf8c6b5b557f/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` and `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` and `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` and `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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/protocol/info.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Info {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  8 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]  9 |     pub state: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub class: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |     pub message: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 12 |     pub server: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub procedure: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` 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 `interface`, `tds_version`, `program_name`, and `program_version` are never read
[INFO] [stdout]   --> src/protocol/login_ack.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct LoginAck {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout]  8 |     pub interface: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  9 |     pub tds_version: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 10 |     pub program_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub program_version: Version,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoginAck` 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 `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LoginAck(LoginAck),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     LoginAck(LoginAck),
[INFO] [stdout] 13 +     LoginAck(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ReturnStatus(ReturnStatus),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     ReturnStatus(ReturnStatus),
[INFO] [stdout] 18 +     ReturnStatus(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Order(Order),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Order(Order),
[INFO] [stdout] 20 +     Order(()),
[INFO] [stdout]    |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         let _ = r#yield!(Either::Right(MssqlRow { row, column_names, columns }));
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout]  98 |                             let _ = r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout]     |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |                             let _ = r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout]     |                             +++++++
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/protocol/info.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Info {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  8 |     pub number: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]  9 |     pub state: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 10 |     pub class: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |     pub message: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 12 |     pub server: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 13 |     pub procedure: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub line: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Info` 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 `interface`, `tds_version`, `program_name`, and `program_version` are never read
[INFO] [stdout]   --> src/protocol/login_ack.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct LoginAck {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout]  8 |     pub interface: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  9 |     pub tds_version: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 10 |     pub program_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub program_version: Version,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LoginAck` 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 `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     LoginAck(LoginAck),
[INFO] [stdout]    |     -------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 13 -     LoginAck(LoginAck),
[INFO] [stdout] 13 +     LoginAck(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ReturnStatus(ReturnStatus),
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     ReturnStatus(ReturnStatus),
[INFO] [stdout] 18 +     ReturnStatus(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/protocol/message.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Order(Order),
[INFO] [stdout]    |     ----- ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Order(Order),
[INFO] [stdout] 20 +     Order(()),
[INFO] [stdout]    |
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         let _ = r#yield!(Either::Right(MssqlRow { row, column_names, columns }));
[INFO] [stdout]    |                         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout]  98 |                             let _ = r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout]     |                             +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 110 |                             let _ = r#yield!(Either::Left(MssqlQueryResult {
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.46s
[INFO] running `Command { std: "docker" "inspect" "36b67d6908d213f83f838fb04ecba8742e3a9089e4438d2b414ce8a47f67a5ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b67d6908d213f83f838fb04ecba8742e3a9089e4438d2b414ce8a47f67a5ba", kill_on_drop: false }`
[INFO] [stdout] 36b67d6908d213f83f838fb04ecba8742e3a9089e4438d2b414ce8a47f67a5ba
