[INFO] fetching crate dbi 0.3.0...
[INFO] building dbi-0.3.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate dbi 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dbi 0.3.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1e91fbd36a7211c3b19d3cae41fe97c6f1a2cf1bc985ec2227f7ae365c7f0d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1e91fbd36a7211c3b19d3cae41fe97c6f1a2cf1bc985ec2227f7ae365c7f0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e91fbd36a7211c3b19d3cae41fe97c6f1a2cf1bc985ec2227f7ae365c7f0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e91fbd36a7211c3b19d3cae41fe97c6f1a2cf1bc985ec2227f7ae365c7f0d5", kill_on_drop: false }`
[INFO] [stdout] e1e91fbd36a7211c3b19d3cae41fe97c6f1a2cf1bc985ec2227f7ae365c7f0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d613aebc7fd66a3fcc08e2e8deb137da640d92f82ce1c4aa126ccab8fb489034
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d613aebc7fd66a3fcc08e2e8deb137da640d92f82ce1c4aa126ccab8fb489034", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling atoi v0.2.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling dbi-macros v0.3.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling mysql_common v0.9.2
[INFO] [stderr]    Compiling mysql_async v0.15.1
[INFO] [stderr]    Compiling dbi v0.3.0 (/opt/rustwide/workdir)
[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]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item=T, Error=::my::errors::Error> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:31:13
[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: 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 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.63s
[INFO] running `Command { std: "docker" "inspect" "d613aebc7fd66a3fcc08e2e8deb137da640d92f82ce1c4aa126ccab8fb489034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d613aebc7fd66a3fcc08e2e8deb137da640d92f82ce1c4aa126ccab8fb489034", kill_on_drop: false }`
[INFO] [stdout] d613aebc7fd66a3fcc08e2e8deb137da640d92f82ce1c4aa126ccab8fb489034
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8ee8300850d436f6974da96eaf3a9688f8086bbfcf38e963947629b56041588
[INFO] running `Command { std: "docker" "start" "-a" "a8ee8300850d436f6974da96eaf3a9688f8086bbfcf38e963947629b56041588", kill_on_drop: false }`
[INFO] [stderr]    Compiling dbi v0.3.0 (/opt/rustwide/workdir)
[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]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item=T, Error=::my::errors::Error> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:31:13
[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: 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 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] error: environment variable `DB_USERNAME` not defined
[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]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DB_PASSWORD` not defined
[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]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: environment variable `DB_NAME` not defined
[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]    = note: this error originates in a macro (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] 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]   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn futures::Future<Item=T, Error=::my::errors::Error> + Send`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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:31:13
[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] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dbi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a8ee8300850d436f6974da96eaf3a9688f8086bbfcf38e963947629b56041588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ee8300850d436f6974da96eaf3a9688f8086bbfcf38e963947629b56041588", kill_on_drop: false }`
[INFO] [stdout] a8ee8300850d436f6974da96eaf3a9688f8086bbfcf38e963947629b56041588
