[INFO] fetching crate sqlx-mssql-odbc-core 0.1.8...
[INFO] testing sqlx-mssql-odbc-core-0.1.8 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate sqlx-mssql-odbc-core 0.1.8 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sqlx-mssql-odbc-core 0.1.8
[INFO] finished tweaking crates.io crate sqlx-mssql-odbc-core 0.1.8
[INFO] tweaked toml for crates.io crate sqlx-mssql-odbc-core 0.1.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sqlx-mssql-odbc-core 0.1.8 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sqlx-mssql-odbc-core 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7
[INFO] running `Command { std: "docker" "start" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling writeable v0.6.3
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[INFO] [stderr]    Compiling litemap v0.8.2
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[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling futures-core v0.3.32
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[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling syn v2.0.118
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[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling log v0.4.32
[INFO] [stderr]    Compiling odbc-sys v0.31.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
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[INFO] [stderr]    Compiling futures-io v0.3.32
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[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling hashbrown v0.16.1
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[INFO] [stderr]    Compiling atoi v3.0.0
[INFO] [stderr]    Compiling hashlink v0.11.1
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[INFO] [stderr]    Compiling futures-intrusive v0.5.0
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[INFO] [stderr]    Compiling tracing v0.1.44
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[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling odbc-api v28.1.0
[INFO] [stderr]    Compiling tinystr v0.8.3
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[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling sqlx-core v0.9.0
[INFO] [stderr]    Compiling sqlx-mssql-odbc-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:416:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:472:17
[INFO] [stdout]     |
[INFO] [stdout] 472 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:516:23
[INFO] [stdout]     |
[INFO] [stdout] 516 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:523:23
[INFO] [stdout]     |
[INFO] [stdout] 523 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ScalarI64`, `Shutdown`, and `ListMigrations` are never constructed
[INFO] [stdout]   --> src/connection.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Command {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 59 |     ScalarI64 {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     Shutdown {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     ListMigrations {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer_settings` is never read
[INFO] [stdout]    --> src/connection.rs:753:5
[INFO] [stdout]     |
[INFO] [stdout] 751 | pub struct MssqlConnection {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 752 |     cmd_tx: flume::Sender<Command>,
[INFO] [stdout] 753 |     buffer_settings: MssqlBufferSettings,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/connection.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 | /         send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout] 815 | |             Command::ExecSql {
[INFO] [stdout] 816 | |                 sql: "SELECT 1 /* dbms_name */".into(),
[INFO] [stdout] 817 | |                 response: tx,
[INFO] [stdout] 818 | |             }
[INFO] [stdout] 819 | |         })?;
[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] 814 |         let _ = send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 30.63s
[INFO] running `Command { std: "docker" "inspect" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sqlx-mssql-odbc-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:416:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:472:17
[INFO] [stdout]     |
[INFO] [stdout] 472 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:516:23
[INFO] [stdout]     |
[INFO] [stdout] 516 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:523:23
[INFO] [stdout]     |
[INFO] [stdout] 523 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ScalarI64`, `Shutdown`, and `ListMigrations` are never constructed
[INFO] [stdout]   --> src/connection.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Command {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 59 |     ScalarI64 {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     Shutdown {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     ListMigrations {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer_settings` is never read
[INFO] [stdout]    --> src/connection.rs:753:5
[INFO] [stdout]     |
[INFO] [stdout] 751 | pub struct MssqlConnection {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 752 |     cmd_tx: flume::Sender<Command>,
[INFO] [stdout] 753 |     buffer_settings: MssqlBufferSettings,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/connection.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 | /         send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout] 815 | |             Command::ExecSql {
[INFO] [stdout] 816 | |                 sql: "SELECT 1 /* dbms_name */".into(),
[INFO] [stdout] 817 | |                 response: tx,
[INFO] [stdout] 818 | |             }
[INFO] [stdout] 819 | |         })?;
[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] 814 |         let _ = send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:218:25
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:279:25
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:389:13
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:403:17
[INFO] [stdout]     |
[INFO] [stdout] 403 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:416:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:442:17
[INFO] [stdout]     |
[INFO] [stdout] 442 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:472:17
[INFO] [stdout]     |
[INFO] [stdout] 472 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |                 ----^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:516:23
[INFO] [stdout]     |
[INFO] [stdout] 516 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:523:23
[INFO] [stdout]     |
[INFO] [stdout] 523 |             if let Ok(mut conn_guard) = self.conn.lock() {
[INFO] [stdout]     |                       ----^^^^^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:535:13
[INFO] [stdout]     |
[INFO] [stdout] 535 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:548:13
[INFO] [stdout]     |
[INFO] [stdout] 548 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/connection.rs:589:13
[INFO] [stdout]     |
[INFO] [stdout] 589 |         let mut conn_guard = self.conn.lock().map_err(|_| {
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ScalarI64`, `Shutdown`, and `ListMigrations` are never constructed
[INFO] [stdout]   --> src/connection.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Command {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 59 |     ScalarI64 {
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     Shutdown {
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     ListMigrations {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `buffer_settings` is never read
[INFO] [stdout]    --> src/connection.rs:753:5
[INFO] [stdout]     |
[INFO] [stdout] 751 | pub struct MssqlConnection {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 752 |     cmd_tx: flume::Sender<Command>,
[INFO] [stdout] 753 |     buffer_settings: MssqlBufferSettings,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/connection.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 | /         send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout] 815 | |             Command::ExecSql {
[INFO] [stdout] 816 | |                 sql: "SELECT 1 /* dbms_name */".into(),
[INFO] [stdout] 817 | |                 response: tx,
[INFO] [stdout] 818 | |             }
[INFO] [stdout] 819 | |         })?;
[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] 814 |         let _ = send_command_blocking(&self.cmd_tx, |tx| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/release/build/sqlx-mssql-odbc-core/be2830a378c3ae55/out/rustcPtQ0EG/symbols.o" "<11 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/build/flume/bfd7059ab7f8101e/out/libflume-bfd7059ab7f8101e.rlib" "/opt/rustwide/target/release/build/fastrand/8bc8ca2369bf7e7a/out/libfastrand-8bc8ca2369bf7e7a.rlib" "/opt/rustwide/target/release/build/spin/0caa51f7898cb297/out/libspin-0caa51f7898cb297.rlib" "/opt/rustwide/target/release/build/lock_api/0c6a3406bef68330/out/liblock_api-0c6a3406bef68330.rlib" "/opt/rustwide/target/release/build/scopeguard/5f9373ec660020b4/out/libscopeguard-5f9373ec660020b4.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/release/build/sqlx-core/ea62c5b6777f6d81/out/libsqlx_core-ea62c5b6777f6d81.rlib" "/opt/rustwide/target/release/build/indexmap/fcf14a27033da9ca/out/libindexmap-fcf14a27033da9ca.rlib" "/opt/rustwide/target/release/build/hashbrown/e584a62dc81c493d/out/libhashbrown-e584a62dc81c493d.rlib" "/opt/rustwide/target/release/build/cfg-if/6d8dca19095bb388/out/libcfg_if-6d8dca19095bb388.rlib" "/opt/rustwide/target/release/build/bytes/8e6bd6dd77d50766/out/libbytes-8e6bd6dd77d50766.rlib" "/opt/rustwide/target/release/build/hashlink/7ace3a4bf989fffb/out/libhashlink-7ace3a4bf989fffb.rlib" "/opt/rustwide/target/release/build/hashbrown/1eaf5863533b956f/out/libhashbrown-1eaf5863533b956f.rlib" "/opt/rustwide/target/release/build/equivalent/26a0d6a3c1145f1b/out/libequivalent-26a0d6a3c1145f1b.rlib" "/opt/rustwide/target/release/build/allocator-api2/fcccdd0f80408343/out/liballocator_api2-fcccdd0f80408343.rlib" "/opt/rustwide/target/release/build/foldhash/aad4872049cd9a91/out/libfoldhash-aad4872049cd9a91.rlib" "/opt/rustwide/target/release/build/url/29fd9ab28c85cf05/out/liburl-29fd9ab28c85cf05.rlib" "/opt/rustwide/target/release/build/idna/8763df56f67cd130/out/libidna-8763df56f67cd130.rlib" "/opt/rustwide/target/release/build/idna_adapter/7954e5bbc67410f5/out/libidna_adapter-7954e5bbc67410f5.rlib" "/opt/rustwide/target/release/build/icu_properties/230996a1a7dc2069/out/libicu_properties-230996a1a7dc2069.rlib" "/opt/rustwide/target/release/build/icu_properties_data/3b22ee4d54a8ef94/out/libicu_properties_data-3b22ee4d54a8ef94.rlib" "/opt/rustwide/target/release/build/icu_normalizer/0a770d80c5dd5caa/out/libicu_normalizer-0a770d80c5dd5caa.rlib" "/opt/rustwide/target/release/build/smallvec/70199632bb80d378/out/libsmallvec-70199632bb80d378.rlib" "/opt/rustwide/target/release/build/icu_normalizer_data/ec18cea5227907fc/out/libicu_normalizer_data-ec18cea5227907fc.rlib" "/opt/rustwide/target/release/build/icu_collections/a7833fd885f7cc40/out/libicu_collections-a7833fd885f7cc40.rlib" "/opt/rustwide/target/release/build/utf8_iter/050834cd1b25caa4/out/libutf8_iter-050834cd1b25caa4.rlib" "/opt/rustwide/target/release/build/potential_utf/d9463c47acafdfb0/out/libpotential_utf-d9463c47acafdfb0.rlib" "/opt/rustwide/target/release/build/icu_provider/e29c1e387e1f0644/out/libicu_provider-e29c1e387e1f0644.rlib" "/opt/rustwide/target/release/build/icu_locale_core/00dddf9f08bd5379/out/libicu_locale_core-00dddf9f08bd5379.rlib" "/opt/rustwide/target/release/build/tinystr/92b804bc141feadf/out/libtinystr-92b804bc141feadf.rlib" "/opt/rustwide/target/release/build/litemap/9027a9464d06b78c/out/liblitemap-9027a9464d06b78c.rlib" "/opt/rustwide/target/release/build/writeable/93f874a44acb2524/out/libwriteable-93f874a44acb2524.rlib" "/opt/rustwide/target/release/build/zerovec/65aa3b85a032909b/out/libzerovec-65aa3b85a032909b.rlib" "/opt/rustwide/target/release/build/zerotrie/67e703cccc58a1e5/out/libzerotrie-67e703cccc58a1e5.rlib" "/opt/rustwide/target/release/build/yoke/c7f7f4d1020b2776/out/libyoke-c7f7f4d1020b2776.rlib" "/opt/rustwide/target/release/build/stable_deref_trait/1fabeba25560deaf/out/libstable_deref_trait-1fabeba25560deaf.rlib" "/opt/rustwide/target/release/build/zerofrom/5ca79918a6dfd155/out/libzerofrom-5ca79918a6dfd155.rlib" "/opt/rustwide/target/release/build/form_urlencoded/016366c6c4d6389e/out/libform_urlencoded-016366c6c4d6389e.rlib" "/opt/rustwide/target/release/build/percent-encoding/6ee9e8dd7e10ccaa/out/libpercent_encoding-6ee9e8dd7e10ccaa.rlib" "/opt/rustwide/target/release/build/tracing/cb40d6c044bf9e1e/out/libtracing-cb40d6c044bf9e1e.rlib" "/opt/rustwide/target/release/build/tracing-core/3e7f99a7051d5219/out/libtracing_core-3e7f99a7051d5219.rlib" "/opt/rustwide/target/release/build/once_cell/a92ce0590bdd2571/out/libonce_cell-a92ce0590bdd2571.rlib" "/opt/rustwide/target/release/build/crossbeam-queue/e3828036cb545aa0/out/libcrossbeam_queue-e3828036cb545aa0.rlib" "/opt/rustwide/target/release/build/crossbeam-utils/dfae1366581d5be5/out/libcrossbeam_utils-dfae1366581d5be5.rlib" "/opt/rustwide/target/release/build/either/237c2b7959eda17b/out/libeither-237c2b7959eda17b.rlib" "/opt/rustwide/target/release/build/event-listener/aff0e0313da17837/out/libevent_listener-aff0e0313da17837.rlib" "/opt/rustwide/target/release/build/parking/6ebeb6866bc50345/out/libparking-6ebeb6866bc50345.rlib" "/opt/rustwide/target/release/build/futures-util/cf735aabfee10dd5/out/libfutures_util-cf735aabfee10dd5.rlib" "/opt/rustwide/target/release/build/memchr/9575c149ea6f36a0/out/libmemchr-9575c149ea6f36a0.rlib" "/opt/rustwide/target/release/build/futures-io/6f54c4dbd1508747/out/libfutures_io-6f54c4dbd1508747.rlib" "/opt/rustwide/target/release/build/slab/19b8bc1074c00c3a/out/libslab-19b8bc1074c00c3a.rlib" "/opt/rustwide/target/release/build/pin-project-lite/9a89bb36c0c56875/out/libpin_project_lite-9a89bb36c0c56875.rlib" "/opt/rustwide/target/release/build/futures-sink/382db1032bbb8539/out/libfutures_sink-382db1032bbb8539.rlib" "/opt/rustwide/target/release/build/futures-task/4380614d65d5c09c/out/libfutures_task-4380614d65d5c09c.rlib" "/opt/rustwide/target/release/build/futures-core/0b1b1ace5db6ba06/out/libfutures_core-0b1b1ace5db6ba06.rlib" "/opt/rustwide/target/release/build/odbc-api/9aadfaf1b0b0f00b/out/libodbc_api-9aadfaf1b0b0f00b.rlib" "/opt/rustwide/target/release/build/widestring/396936e5aa9586e3/out/libwidestring-396936e5aa9586e3.rlib" "/opt/rustwide/target/release/build/thiserror/3d5d602398501cef/out/libthiserror-3d5d602398501cef.rlib" "/opt/rustwide/target/release/build/odbc-sys/0b10a5753b194e09/out/libodbc_sys-0b10a5753b194e09.rlib" "/opt/rustwide/target/release/build/atoi/5727d588ca419c9c/out/libatoi-5727d588ca419c9c.rlib" "/opt/rustwide/target/release/build/num-traits/83bd585502586849/out/libnum_traits-83bd585502586849.rlib" "/opt/rustwide/target/release/build/log/0056f2f9478e998a/out/liblog-0056f2f9478e998a.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lodbc" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/release/build/sqlx-mssql-odbc-core/be2830a378c3ae55/out/rustcPtQ0EG/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/release/build/sqlx-mssql-odbc-core/be2830a378c3ae55/out/sqlx_mssql_odbc_core-be2830a378c3ae55" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: unable to find library -lodbc
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sqlx-mssql-odbc-core` (lib test) due to 1 previous error; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7", kill_on_drop: false }`
[INFO] [stdout] 1cfde4cb302bbe4bac566098fa829f5b99356ee59d5a32a7801c82c8e5c284d7
