[INFO] fetching crate dbi 0.3.0...
[INFO] checking dbi-0.3.0 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate dbi 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dbi 0.3.0 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbi 0.3.0
[INFO] finished tweaking crates.io crate dbi 0.3.0
[INFO] tweaked toml for crates.io crate dbi 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 156 packages to latest compatible versions
[INFO] [stderr]       Adding atoi v0.2.4 (available: v2.0.0)
[INFO] [stderr]       Adding base64 v0.9.3 (available: v0.22.1)
[INFO] [stderr]       Adding bit-vec v0.5.1 (available: v0.8.0)
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[INFO] [stderr]       Adding byte-tools v0.2.0 (available: v0.3.1)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.7.2)
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[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (available: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (available: v0.8.20)
[INFO] [stderr]       Adding digest v0.7.6 (available: v0.10.7)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.30)
[INFO] [stderr]       Adding generic-array v0.9.1 (available: v1.1.0)
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[INFO] [stderr]       Adding memoffset v0.5.6 (available: v0.9.1)
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[INFO] [stderr]       Adding miow v0.2.2 (available: v0.6.0)
[INFO] [stderr]       Adding mysql_async v0.15.1 (available: v0.34.2)
[INFO] [stderr]       Adding mysql_common v0.9.2 (available: v0.32.4)
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[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.3)
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[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1738b669b1733bda8cc4fbb79b1e5f7a6feb62c2d6b7cc2d8ba12ae87f7ad1fa
[INFO] running `Command { std: "docker" "start" "-a" "1738b669b1733bda8cc4fbb79b1e5f7a6feb62c2d6b7cc2d8ba12ae87f7ad1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1738b669b1733bda8cc4fbb79b1e5f7a6feb62c2d6b7cc2d8ba12ae87f7ad1fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1738b669b1733bda8cc4fbb79b1e5f7a6feb62c2d6b7cc2d8ba12ae87f7ad1fa", kill_on_drop: false }`
[INFO] [stdout] 1738b669b1733bda8cc4fbb79b1e5f7a6feb62c2d6b7cc2d8ba12ae87f7ad1fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd171eb089fd97db5acc28b50152f8760dd73c994e48d0b4f6ed051acac8d31
[INFO] running `Command { std: "docker" "start" "-a" "8cd171eb089fd97db5acc28b50152f8760dd73c994e48d0b4f6ed051acac8d31", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
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[INFO] [stderr]     Checking tokio-executor v0.1.10
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[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking regex-automata v0.4.7
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[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-udp v0.1.6
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[INFO] [stderr]     Checking tokio-current-thread v0.1.7
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[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking mysql_common v0.9.2
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking mysql_async v0.15.1
[INFO] [stderr]    Compiling dbi-macros v0.3.0
[INFO] [stderr]     Checking dbi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::Connection`
[INFO] [stdout]   --> src/mysql.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use super::Connection;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stdout]   --> src/mysql.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |             futures::stream::iter(val)
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Connection`
[INFO] [stdout]   --> src/mysql.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use super::Connection;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use futures::Future;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `futures::stream::iter`: implementation moved to `iter_ok` and `iter_result`
[INFO] [stdout]   --> src/mysql.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 |             futures::stream::iter(val)
[INFO] [stdout]    |                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mysql.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type BoxedFuture<T> = Box<futures::Future<Item=T, Error=::my::errors::Error> + Send>;
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type BoxedFuture<T> = Box<dyn futures::Future<Item=T, Error=::my::errors::Error> + Send>;
[INFO] [stdout]   |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/mysql.rs:7:31
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type BoxedFuture<T> = Box<futures::Future<Item=T, Error=::my::errors::Error> + Send>;
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type BoxedFuture<T> = Box<dyn futures::Future<Item=T, Error=::my::errors::Error> + Send>;
[INFO] [stdout]   |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mysql.rs:27:63
[INFO] [stdout]    |
[INFO] [stdout] 27 |             res.reduce_and_drop(crate::ResultSet::None, move |mut acc, row| {
[INFO] [stdout]    |                                                               ----^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mysql.rs:33:48
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .fold(crate::ResultSet::None, |mut acc, val| {
[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/mysql.rs:27:63
[INFO] [stdout]    |
[INFO] [stdout] 27 |             res.reduce_and_drop(crate::ResultSet::None, move |mut acc, row| {
[INFO] [stdout]    |                                                               ----^^^
[INFO] [stdout]    |                                                               |
[INFO] [stdout]    |                                                               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/mysql.rs:33:48
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .fold(crate::ResultSet::None, |mut acc, val| {
[INFO] [stdout]    |                                                ----^^^
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/mysql.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         }).map(|res| {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/mysql.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |         use futures::{Future, Stream};
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/mysql.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |         use futures::{Future, Stream};
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/mysql.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |         }).map(|res| {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/mysql.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |         use futures::{Future, Stream};
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]   --> src/mysql.rs:74:31
[INFO] [stdout]    |
[INFO] [stdout] 74 |         use futures::{Future, Stream};
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `::my::prelude`
[INFO] [stdout]   --> src/mysql.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         use ::my::prelude::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DB_USERNAME` not defined at compile time
[INFO] [stdout]   --> examples/simple.rs:43:37
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (username, password, db) = (env!("DB_USERNAME"), env!("DB_PASSWORD"), env!("DB_NAME"));
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `std::env::var("DB_USERNAME")` to read the variable at run time
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DB_PASSWORD` not defined at compile time
[INFO] [stdout]   --> examples/simple.rs:43:58
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (username, password, db) = (env!("DB_USERNAME"), env!("DB_PASSWORD"), env!("DB_NAME"));
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `std::env::var("DB_PASSWORD")` to read the variable at run time
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DB_NAME` not defined at compile time
[INFO] [stdout]   --> examples/simple.rs:43:79
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (username, password, db) = (env!("DB_USERNAME"), env!("DB_PASSWORD"), env!("DB_NAME"));
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `std::env::var("DB_NAME")` to read the variable at run time
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/simple.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbi` (example "simple") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8cd171eb089fd97db5acc28b50152f8760dd73c994e48d0b4f6ed051acac8d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd171eb089fd97db5acc28b50152f8760dd73c994e48d0b4f6ed051acac8d31", kill_on_drop: false }`
[INFO] [stdout] 8cd171eb089fd97db5acc28b50152f8760dd73c994e48d0b4f6ed051acac8d31
