[INFO] fetching crate cdbc 0.1.23...
[INFO] testing cdbc-0.1.23 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cdbc 0.1.23 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cdbc 0.1.23
[INFO] finished tweaking crates.io crate cdbc 0.1.23
[INFO] tweaked toml for crates.io crate cdbc 0.1.23 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cdbc 0.1.23 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding bstr v0.2.17 (available: v1.12.1)
[INFO] [stderr]       Adding hashlink v0.7.0 (available: v0.11.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccdb46305c94ee9b79c076541de82c0b33f1216808343555b518487d24951b6a
[INFO] running `Command { std: "docker" "start" "-a" "ccdb46305c94ee9b79c076541de82c0b33f1216808343555b518487d24951b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccdb46305c94ee9b79c076541de82c0b33f1216808343555b518487d24951b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdb46305c94ee9b79c076541de82c0b33f1216808343555b518487d24951b6a", kill_on_drop: false }`
[INFO] [stdout] ccdb46305c94ee9b79c076541de82c0b33f1216808343555b518487d24951b6a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223e197a8e77cc431b113827ceb8f9bff3aa40b7dd8ebac8406f6a15735482e6
[INFO] running `Command { std: "docker" "start" "-a" "223e197a8e77cc431b113827ceb8f9bff3aa40b7dd8ebac8406f6a15735482e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cdbc-macro v0.1.23
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling mco v0.1.48
[INFO] [stderr]    Compiling cdbc v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[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: `mco::std::sync::channel`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use mco::std::sync::channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PoolConnection`
[INFO] [stdout]  --> src/pool/executor.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::pool::{Pool, PoolConnection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `err_end`
[INFO] [stdout]    --> 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]    --> src/io/chan_stream.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]  --> src/pool/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mco::std::sync::Blocker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]   --> src/pool/inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mco::std::sync::Blocker;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/pool/semaphore.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicI64, AtomicUsize, Ordering};
[INFO] [stdout]   |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Semphore`
[INFO] [stdout]  --> src/pool/semaphore.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mco::std::sync::{Blocker, Semphore};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/pool/semaphore.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Result`
[INFO] [stdout]  --> src/pool/semaphore.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/utils/crud.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/utils/crud.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::err`
[INFO] [stdout]  --> src/utils/crud.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::err;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Database` and `HasArguments`
[INFO] [stdout]  --> src/utils/crud.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::database::{Database, HasArguments};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encode`, `Executor`, and `Query`
[INFO] [stdout]  --> src/utils/crud.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{Encode, Executor, Query};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arguments::Arguments`
[INFO] [stdout]  --> src/utils/crud.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::arguments::Arguments;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scan::Scan`
[INFO] [stdout]  --> src/utils/crud.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::scan::Scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Type`
[INFO] [stdout]  --> src/utils/crud.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/buf_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]  --> src/io/write_and_flush.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/write_and_flush.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `Display`
[INFO] [stdout]  --> src/io/chan_stream.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/io/chan_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/io/chan_stream.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buf_stream::*`
[INFO] [stdout]   --> src/io/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use buf_stream::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `git2`
[INFO] [stdout]   --> src/types/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "git2")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `git2` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `uuid`
[INFO] [stdout]   --> src/types/mod.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(feature = "uuid")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `uuid` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `chrono`
[INFO] [stdout]   --> src/types/mod.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(feature = "chrono")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `chrono` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bit-vec`
[INFO] [stdout]   --> src/types/mod.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(feature = "bit-vec")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bit-vec` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `time`
[INFO] [stdout]   --> src/types/mod.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg(feature = "time")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `time` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bigdecimal`
[INFO] [stdout]   --> src/types/mod.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[cfg(feature = "bigdecimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bigdecimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `decimal`
[INFO] [stdout]   --> src/types/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg(feature = "decimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `decimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ipnetwork`
[INFO] [stdout]   --> src/types/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[cfg(feature = "ipnetwork")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `ipnetwork` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `mac_address`
[INFO] [stdout]   --> src/types/mod.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[cfg(feature = "mac_address")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `mac_address` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/statement.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/query.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pool` and `chan_stream`
[INFO] [stdout]  --> src/executor.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{chan_stream, Pool};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/net/socket.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/socket.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/tls/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]   --> src/net/tls/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]   --> src/net/tls/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem::replace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::decode::Decode`
[INFO] [stdout]   --> src/net/tls/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::decode::Decode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::Encode`
[INFO] [stdout]   --> src/net/tls/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::encode::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[inline]` can be applied to closures, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/net/socket.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/net/socket.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> src/executor.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]   |                                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/executor.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executor::Executor`
[INFO] [stdout]   --> src/pool/connection.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::executor::Executor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/connection.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::database::{Database, HasStatementCache};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Ok(mut raw) => {
[INFO] [stdout]     |                 ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 249 |                 Err(e) => return Err(e),
[INFO] [stdout]     |                 ------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool/inner.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         mut permit: PermitGuard<'a>,
[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: unused variable: `x`
[INFO] [stdout]   --> src/utils/crud.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for x in Self::columns() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/io/chan_stream.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(e) => { None }
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/query.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn fetch<'c, E>(self, mut executor: E) -> ChanStream<O>
[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/query.rs:349:35
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn fetch_all<'c, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query.rs:361:35
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn fetch_one<'c, E>(self, mut executor: E) -> Result<O, Error>
[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/query_as.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn fetch<'e, 'c: 'e, E>(self, mut executor: E) -> ChanStream<O>
[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/query_as.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fetch_all<'e, 'c: 'e, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query_as.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn fetch_one<'e, 'c: 'e, E>(self, mut  executor: E) -> Result<O, Error>
[INFO] [stdout]     |                                           -----^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/executor.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Either::Left(rows) => {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocker` is never read
[INFO] [stdout]   --> src/pool/semaphore.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct PermitGuard<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     inner: &'a BoxSemaphore,
[INFO] [stdout] 11 |     blocker: Arc<mco::std::sync::Blocker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollReadBuf` is never used
[INFO] [stdout]  --> src/net/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type PollReadBuf<'a> = Vec<u8>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 r#yield!(v);
[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] 32 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 r#yield!(v);
[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] 94 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             b.park(None);
[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] 52 |             let _ = b.park(None);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 w.unpark();
[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] 80 |                 let _ = w.unpark();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             s.send(Some(Err(e)));
[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] 134 |             let _ = s.send(Some(Err(e)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         s.send(None);
[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] 136 |         let _ = s.send(None);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   r#yield!(v);
[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] 171 |                              let _ = r#yield!(v);
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   end!();
[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] 174 |                              let _ = end!();
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[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] 336 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[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] 117 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "223e197a8e77cc431b113827ceb8f9bff3aa40b7dd8ebac8406f6a15735482e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223e197a8e77cc431b113827ceb8f9bff3aa40b7dd8ebac8406f6a15735482e6", kill_on_drop: false }`
[INFO] [stdout] 223e197a8e77cc431b113827ceb8f9bff3aa40b7dd8ebac8406f6a15735482e6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744e90d71d71280228eb9dccc738a3fdb12e83316224301d8063a01077541f6b
[INFO] running `Command { std: "docker" "start" "-a" "744e90d71d71280228eb9dccc738a3fdb12e83316224301d8063a01077541f6b", kill_on_drop: false }`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[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: `mco::std::sync::channel`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use mco::std::sync::channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PoolConnection`
[INFO] [stdout]  --> src/pool/executor.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::pool::{Pool, PoolConnection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `err_end`
[INFO] [stdout]    --> 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]    --> src/io/chan_stream.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]  --> src/pool/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mco::std::sync::Blocker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]   --> src/pool/inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mco::std::sync::Blocker;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/pool/semaphore.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicI64, AtomicUsize, Ordering};
[INFO] [stdout]   |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Semphore`
[INFO] [stdout]  --> src/pool/semaphore.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mco::std::sync::{Blocker, Semphore};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/pool/semaphore.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Result`
[INFO] [stdout]  --> src/pool/semaphore.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/utils/crud.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/utils/crud.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::err`
[INFO] [stdout]  --> src/utils/crud.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::err;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Database` and `HasArguments`
[INFO] [stdout]  --> src/utils/crud.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::database::{Database, HasArguments};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encode`, `Executor`, and `Query`
[INFO] [stdout]  --> src/utils/crud.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{Encode, Executor, Query};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arguments::Arguments`
[INFO] [stdout]  --> src/utils/crud.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::arguments::Arguments;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scan::Scan`
[INFO] [stdout]  --> src/utils/crud.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::scan::Scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Type`
[INFO] [stdout]  --> src/utils/crud.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/buf_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]  --> src/io/write_and_flush.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/write_and_flush.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `Display`
[INFO] [stdout]  --> src/io/chan_stream.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/io/chan_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/io/chan_stream.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buf_stream::*`
[INFO] [stdout]   --> src/io/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use buf_stream::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `git2`
[INFO] [stdout]   --> src/types/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "git2")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `git2` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `uuid`
[INFO] [stdout]   --> src/types/mod.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(feature = "uuid")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `uuid` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `chrono`
[INFO] [stdout]   --> src/types/mod.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(feature = "chrono")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `chrono` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bit-vec`
[INFO] [stdout]   --> src/types/mod.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(feature = "bit-vec")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bit-vec` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `time`
[INFO] [stdout]   --> src/types/mod.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg(feature = "time")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `time` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bigdecimal`
[INFO] [stdout]   --> src/types/mod.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[cfg(feature = "bigdecimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bigdecimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `decimal`
[INFO] [stdout]   --> src/types/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg(feature = "decimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `decimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ipnetwork`
[INFO] [stdout]   --> src/types/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[cfg(feature = "ipnetwork")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `ipnetwork` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `mac_address`
[INFO] [stdout]   --> src/types/mod.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[cfg(feature = "mac_address")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `mac_address` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/statement.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/query.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pool` and `chan_stream`
[INFO] [stdout]  --> src/executor.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{chan_stream, Pool};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/net/socket.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/socket.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/tls/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]   --> src/net/tls/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]   --> src/net/tls/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem::replace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::decode::Decode`
[INFO] [stdout]   --> src/net/tls/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::decode::Decode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::Encode`
[INFO] [stdout]   --> src/net/tls/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::encode::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[inline]` can be applied to closures, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/net/socket.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/net/socket.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]  --> src/executor.rs:7:50
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]   |                                                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Stream`
[INFO] [stdout]  --> src/executor.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]   |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executor::Executor`
[INFO] [stdout]   --> src/pool/connection.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::executor::Executor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/connection.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::database::{Database, HasStatementCache};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Ok(mut raw) => {
[INFO] [stdout]     |                 ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 249 |                 Err(e) => return Err(e),
[INFO] [stdout]     |                 ------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool/inner.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         mut permit: PermitGuard<'a>,
[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: unused variable: `x`
[INFO] [stdout]   --> src/utils/crud.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for x in Self::columns() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/io/chan_stream.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(e) => { None }
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/query.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn fetch<'c, E>(self, mut executor: E) -> ChanStream<O>
[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/query.rs:349:35
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn fetch_all<'c, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query.rs:361:35
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn fetch_one<'c, E>(self, mut executor: E) -> Result<O, Error>
[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/query_as.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn fetch<'e, 'c: 'e, E>(self, mut executor: E) -> ChanStream<O>
[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/query_as.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fetch_all<'e, 'c: 'e, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query_as.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn fetch_one<'e, 'c: 'e, E>(self, mut  executor: E) -> Result<O, Error>
[INFO] [stdout]     |                                           -----^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/executor.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Either::Left(rows) => {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocker` is never read
[INFO] [stdout]   --> src/pool/semaphore.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct PermitGuard<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     inner: &'a BoxSemaphore,
[INFO] [stdout] 11 |     blocker: Arc<mco::std::sync::Blocker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cdbc v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `PollReadBuf` is never used
[INFO] [stdout]  --> src/net/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type PollReadBuf<'a> = Vec<u8>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 r#yield!(v);
[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] 32 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 r#yield!(v);
[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] 94 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             b.park(None);
[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] 52 |             let _ = b.park(None);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 w.unpark();
[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] 80 |                 let _ = w.unpark();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             s.send(Some(Err(e)));
[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] 134 |             let _ = s.send(Some(Err(e)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         s.send(None);
[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] 136 |         let _ = s.send(None);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   r#yield!(v);
[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] 171 |                              let _ = r#yield!(v);
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   end!();
[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] 174 |                              let _ = end!();
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[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] 336 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[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] 117 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[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: `mco::std::sync::channel`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use mco::std::sync::channel;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PoolConnection`
[INFO] [stdout]  --> src/pool/executor.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::pool::{Pool, PoolConnection};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `err_end`
[INFO] [stdout]    --> 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]    --> src/io/chan_stream.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 115 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]  --> src/pool/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mco::std::sync::Blocker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executor::Executor`
[INFO] [stdout]   --> src/pool/connection.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::executor::Executor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stdout]   --> src/pool/inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use mco::std::sync::Blocker;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicUsize`
[INFO] [stdout]  --> src/pool/semaphore.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicI64, AtomicUsize, Ordering};
[INFO] [stdout]   |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Semphore`
[INFO] [stdout]  --> src/pool/semaphore.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mco::std::sync::{Blocker, Semphore};
[INFO] [stdout]   |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/pool/semaphore.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Result`
[INFO] [stdout]  --> src/pool/semaphore.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::marker::PhantomData`
[INFO] [stdout]  --> src/utils/crud.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]  --> src/utils/crud.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::err`
[INFO] [stdout]  --> src/utils/crud.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::err;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Database` and `HasArguments`
[INFO] [stdout]  --> src/utils/crud.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::database::{Database, HasArguments};
[INFO] [stdout]   |                       ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Encode`, `Executor`, and `Query`
[INFO] [stdout]  --> src/utils/crud.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{Encode, Executor, Query};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::arguments::Arguments`
[INFO] [stdout]  --> src/utils/crud.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::arguments::Arguments;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scan::Scan`
[INFO] [stdout]  --> src/utils/crud.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::scan::Scan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Type`
[INFO] [stdout]  --> src/utils/crud.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::types::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/buf_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]  --> src/io/write_and_flush.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::net::TcpStream`
[INFO] [stdout]  --> src/io/write_and_flush.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mco::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Debug` and `Display`
[INFO] [stdout]  --> src/io/chan_stream.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Debug, Display};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/io/chan_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/io/chan_stream.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]    --> src/io/chan_stream.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     use std::thread::sleep;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]    --> src/io/chan_stream.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mco::co`
[INFO] [stdout]    --> src/io/chan_stream.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use mco::co;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]    --> src/io/chan_stream.rs:190:54
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `buf_stream::*`
[INFO] [stdout]   --> src/io/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use buf_stream::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `git2`
[INFO] [stdout]   --> src/types/mod.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[cfg(feature = "git2")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `git2` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `uuid`
[INFO] [stdout]   --> src/types/mod.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | #[cfg(feature = "uuid")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `uuid` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `chrono`
[INFO] [stdout]   --> src/types/mod.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[cfg(feature = "chrono")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `chrono` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bit-vec`
[INFO] [stdout]   --> src/types/mod.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | #[cfg(feature = "bit-vec")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bit-vec` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `time`
[INFO] [stdout]   --> src/types/mod.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | #[cfg(feature = "time")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `time` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bigdecimal`
[INFO] [stdout]   --> src/types/mod.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | #[cfg(feature = "bigdecimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `bigdecimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `decimal`
[INFO] [stdout]   --> src/types/mod.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | #[cfg(feature = "decimal")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `decimal` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `ipnetwork`
[INFO] [stdout]   --> src/types/mod.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[cfg(feature = "ipnetwork")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `ipnetwork` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `mac_address`
[INFO] [stdout]   --> src/types/mod.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 | #[cfg(feature = "mac_address")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stdout]    = help: consider adding `mac_address` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/connection.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::database::{Database, HasStatementCache};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/statement.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Cow`
[INFO] [stdout]  --> src/query.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Cow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Pool` and `chan_stream`
[INFO] [stdout]  --> src/executor.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{chan_stream, Pool};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream` and `TryStream`
[INFO] [stdout]  --> src/executor.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stdout]   |                                          ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/net/socket.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/socket.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context` and `Poll`
[INFO] [stdout]  --> src/net/tls/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::task::{Context, Poll};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]   --> src/net/tls/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::replace`
[INFO] [stdout]   --> src/net/tls/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem::replace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::decode::Decode`
[INFO] [stdout]   --> src/net/tls/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::decode::Decode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encode::Encode`
[INFO] [stdout]   --> src/net/tls/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::encode::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[inline]` can be applied to closures, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/net/socket.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/net/socket.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/pool/inner.rs:252:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 Ok(mut raw) => {
[INFO] [stdout]     |                 ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 249 |                 Err(e) => return Err(e),
[INFO] [stdout]     |                 ------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 252 |                 _ => {
[INFO] [stdout]     |                 ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/pool/inner.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         mut permit: PermitGuard<'a>,
[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: unused variable: `permit`
[INFO] [stdout]    --> src/pool/semaphore.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let permit = b1.acquire();
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_permit`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/pool/semaphore.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for idx in 0..total {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/pool/semaphore.rs:193:23
[INFO] [stdout]     |
[INFO] [stdout] 193 |             if let Ok(v) = r.recv() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/utils/crud.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for x in Self::columns() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/io/chan_stream.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |             Err(e) => { None }
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/query.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn fetch<'c, E>(self, mut executor: E) -> ChanStream<O>
[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/query.rs:349:35
[INFO] [stdout]     |
[INFO] [stdout] 349 |     pub fn fetch_all<'c, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query.rs:361:35
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn fetch_one<'c, E>(self, mut executor: E) -> Result<O, Error>
[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/query_as.rs:86:39
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn fetch<'e, 'c: 'e, E>(self, mut executor: E) -> ChanStream<O>
[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/query_as.rs:129:43
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn fetch_all<'e, 'c: 'e, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[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/query_as.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn fetch_one<'e, 'c: 'e, E>(self, mut  executor: E) -> Result<O, Error>
[INFO] [stdout]     |                                           -----^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rows`
[INFO] [stdout]   --> src/executor.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Either::Left(rows) => {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `blocker` is never read
[INFO] [stdout]   --> src/pool/semaphore.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct PermitGuard<'a> {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 10 |     inner: &'a BoxSemaphore,
[INFO] [stdout] 11 |     blocker: Arc<mco::std::sync::Blocker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PollReadBuf` is never used
[INFO] [stdout]  --> src/net/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type PollReadBuf<'a> = Vec<u8>;
[INFO] [stdout]   |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 r#yield!(v);
[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] 32 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/executor.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 r#yield!(v);
[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] 94 |                 let _ = r#yield!(v);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard {
[INFO] [stdout]    |                    ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn acquire(&self) -> PermitGuard<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             b.park(None);
[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] 52 |             let _ = b.park(None);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/pool/semaphore.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard> {
[INFO] [stdout]    |                        ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:80:17
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 w.unpark();
[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] 80 |                 let _ = w.unpark();
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/pool/semaphore.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 s1.send(1);
[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] 186 |                 let _ = s1.send(1);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             s.send(Some(Err(e)));
[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] 134 |             let _ = s.send(Some(Err(e)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         s.send(None);
[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] 136 |         let _ = s.send(None);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:171:30
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   r#yield!(v);
[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] 171 |                              let _ = r#yield!(v);
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:174:30
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   end!();
[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] 174 |                              let _ = end!();
[INFO] [stdout]     |                              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:196:15
[INFO] [stdout]     |
[INFO] [stdout] 196 |               r#yield!(1);
[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] 196 |               let _ = r#yield!(1);
[INFO] [stdout]     |               +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:208:14
[INFO] [stdout]     |
[INFO] [stdout] 208 |              r#yield!(1);
[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] 208 |              let _ = r#yield!(1);
[INFO] [stdout]     |              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:209:14
[INFO] [stdout]     |
[INFO] [stdout] 209 |              r#yield!(2);
[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] 209 |              let _ = r#yield!(2);
[INFO] [stdout]     |              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:210:14
[INFO] [stdout]     |
[INFO] [stdout] 210 |              r#yield!(3);
[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] 210 |              let _ = r#yield!(3);
[INFO] [stdout]     |              +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[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] 336 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[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] 117 |                 let _ = r#yield!(match v {
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "744e90d71d71280228eb9dccc738a3fdb12e83316224301d8063a01077541f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744e90d71d71280228eb9dccc738a3fdb12e83316224301d8063a01077541f6b", kill_on_drop: false }`
[INFO] [stdout] 744e90d71d71280228eb9dccc738a3fdb12e83316224301d8063a01077541f6b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58a7c4b5eeb1b1fe52f50f045f4a15a956e42a11f967c4fa02cf2889e7f376e7
[INFO] running `Command { std: "docker" "start" "-a" "58a7c4b5eeb1b1fe52f50f045f4a15a956e42a11f967c4fa02cf2889e7f376e7", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::std::sync::channel`
[INFO] [stderr]   --> src/error.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use mco::std::sync::channel;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PoolConnection`
[INFO] [stderr]  --> src/pool/executor.rs:8:25
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::pool::{Pool, PoolConnection};
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `err_end`
[INFO] [stderr]    --> src/io/chan_stream.rs:108:26
[INFO] [stderr]     |
[INFO] [stderr] 108 |             macro_rules! err_end {
[INFO] [stderr]     |                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `end`
[INFO] [stderr]    --> src/io/chan_stream.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 |             macro_rules! end {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stderr]  --> src/pool/connection.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mco::std::sync::Blocker;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::std::sync::Blocker`
[INFO] [stderr]   --> src/pool/inner.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use mco::std::sync::Blocker;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AtomicUsize`
[INFO] [stderr]  --> src/pool/semaphore.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::atomic::{AtomicI64, AtomicUsize, Ordering};
[INFO] [stderr]   |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Semphore`
[INFO] [stderr]  --> src/pool/semaphore.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use mco::std::sync::{Blocker, Semphore};
[INFO] [stderr]   |                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Error`
[INFO] [stderr]  --> src/pool/semaphore.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::Result`
[INFO] [stderr]  --> src/pool/semaphore.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::error::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::marker::PhantomData`
[INFO] [stderr]  --> src/utils/crud.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::marker::PhantomData;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stderr]  --> src/utils/crud.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::{Deref, DerefMut};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::err`
[INFO] [stderr]  --> src/utils/crud.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mco::err;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Database` and `HasArguments`
[INFO] [stderr]  --> src/utils/crud.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::database::{Database, HasArguments};
[INFO] [stderr]   |                       ^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Encode`, `Executor`, and `Query`
[INFO] [stderr]  --> src/utils/crud.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{Encode, Executor, Query};
[INFO] [stderr]   |             ^^^^^^  ^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::arguments::Arguments`
[INFO] [stderr]  --> src/utils/crud.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::arguments::Arguments;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::scan::Scan`
[INFO] [stderr]  --> src/utils/crud.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::scan::Scan;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::Type`
[INFO] [stderr]  --> src/utils/crud.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::types::Type;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::net::TcpStream`
[INFO] [stderr]  --> src/io/buf_stream.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mco::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::Error`
[INFO] [stderr]  --> src/io/write_and_flush.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::net::TcpStream`
[INFO] [stderr]  --> src/io/write_and_flush.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mco::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Debug` and `Display`
[INFO] [stderr]  --> src/io/chan_stream.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Debug, Display};
[INFO] [stderr]   |                ^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/io/chan_stream.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Error`
[INFO] [stderr]  --> src/io/chan_stream.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `buf_stream::*`
[INFO] [stderr]   --> src/io/mod.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use buf_stream::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `git2`
[INFO] [stderr]   --> src/types/mod.rs:27:7
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[cfg(feature = "git2")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `git2` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `uuid`
[INFO] [stderr]   --> src/types/mod.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[cfg(feature = "uuid")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `uuid` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `chrono`
[INFO] [stderr]   --> src/types/mod.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 | #[cfg(feature = "chrono")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `chrono` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bit-vec`
[INFO] [stderr]   --> src/types/mod.rs:47:7
[INFO] [stderr]    |
[INFO] [stderr] 47 | #[cfg(feature = "bit-vec")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `bit-vec` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `time`
[INFO] [stderr]   --> src/types/mod.rs:52:7
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[cfg(feature = "time")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `time` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `bigdecimal`
[INFO] [stderr]   --> src/types/mod.rs:59:7
[INFO] [stderr]    |
[INFO] [stderr] 59 | #[cfg(feature = "bigdecimal")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `bigdecimal` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `decimal`
[INFO] [stderr]   --> src/types/mod.rs:64:7
[INFO] [stderr]    |
[INFO] [stderr] 64 | #[cfg(feature = "decimal")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `decimal` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `ipnetwork`
[INFO] [stderr]   --> src/types/mod.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 | #[cfg(feature = "ipnetwork")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `ipnetwork` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `mac_address`
[INFO] [stderr]   --> src/types/mod.rs:76:7
[INFO] [stderr]    |
[INFO] [stderr] 76 | #[cfg(feature = "mac_address")]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `cdbc-macro`, `default`, and `native-tls`
[INFO] [stderr]    = help: consider adding `mac_address` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> src/statement.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::Cow`
[INFO] [stderr]  --> src/query.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::borrow::Cow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Pool` and `chan_stream`
[INFO] [stderr]  --> src/executor.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{chan_stream, Pool};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/net/socket.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context` and `Poll`
[INFO] [stderr]  --> src/net/socket.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::task::{Context, Poll};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context` and `Poll`
[INFO] [stderr]  --> src/net/tls/mod.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::task::{Context, Poll};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error::Error`
[INFO] [stderr]   --> src/net/tls/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::replace`
[INFO] [stderr]   --> src/net/tls/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::mem::replace;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::decode::Decode`
[INFO] [stderr]   --> src/net/tls/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::decode::Decode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::encode::Encode`
[INFO] [stderr]   --> src/net/tls/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::encode::Encode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `#[inline]` attribute cannot be used on required trait methods
[INFO] [stderr]   --> src/net/socket.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[inline]` can be applied to closures, functions, inherent methods, provided trait methods, and trait methods in impl blocks
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/net/socket.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stderr]   |                                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/net/socket.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{ErrorKind, Read, Write};
[INFO] [stderr]   |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]  --> src/executor.rs:7:50
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stderr]   |                                                  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/executor.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stderr]   |                                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::executor::Executor`
[INFO] [stderr]   --> src/pool/connection.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::executor::Executor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Database`
[INFO] [stderr]  --> src/connection.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::database::{Database, HasStatementCache};
[INFO] [stderr]   |                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/pool/inner.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 252 |                 _ => {
[INFO] [stderr]     |                 ^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]    --> src/pool/inner.rs:252:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 Ok(mut raw) => {
[INFO] [stderr]     |                 ----------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 249 |                 Err(e) => return Err(e),
[INFO] [stderr]     |                 ------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 252 |                 _ => {
[INFO] [stderr]     |                 ^ collectively making this unreachable
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pool/inner.rs:388:9
[INFO] [stderr]     |
[INFO] [stderr] 388 |         mut permit: PermitGuard<'a>,
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/utils/crud.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for x in Self::columns() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/io/chan_stream.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Err(e) => { None }
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/query.rs:306:31
[INFO] [stderr]     |
[INFO] [stderr] 306 |     pub fn fetch<'c, E>(self, mut executor: E) -> ChanStream<O>
[INFO] [stderr]     |                               ----^^^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/query.rs:349:35
[INFO] [stderr]     |
[INFO] [stderr] 349 |     pub fn fetch_all<'c, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[INFO] [stderr]     |                                   ----^^^^^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/query.rs:361:35
[INFO] [stderr]     |
[INFO] [stderr] 361 |     pub fn fetch_one<'c, E>(self, mut executor: E) -> Result<O, Error>
[INFO] [stderr]     |                                   ----^^^^^^^^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/query_as.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn fetch<'e, 'c: 'e, E>(self, mut executor: E) -> ChanStream<O>
[INFO] [stderr]    |                                       ----^^^^^^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/query_as.rs:129:43
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn fetch_all<'e, 'c: 'e, E>(self, mut executor: E) -> Result<Vec<O>, Error>
[INFO] [stderr]     |                                           ----^^^^^^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/query_as.rs:143:43
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn fetch_one<'e, 'c: 'e, E>(self, mut  executor: E) -> Result<O, Error>
[INFO] [stderr]     |                                           -----^^^^^^^^
[INFO] [stderr]     |                                           |
[INFO] [stderr]     |                                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rows`
[INFO] [stderr]   --> src/executor.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 Either::Left(rows) => {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: field `blocker` is never read
[INFO] [stderr]   --> src/pool/semaphore.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct PermitGuard<'a> {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] 10 |     inner: &'a BoxSemaphore,
[INFO] [stderr] 11 |     blocker: Arc<mco::std::sync::Blocker>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `PollReadBuf` is never used
[INFO] [stderr]  --> src/net/mod.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | type PollReadBuf<'a> = Vec<u8>;
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/pool/executor.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 r#yield!(v);
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 let _ = r#yield!(v);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/pool/executor.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 r#yield!(v);
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 let _ = r#yield!(v);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/pool/semaphore.rs:42:20
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn acquire(&self) -> PermitGuard {
[INFO] [stderr]    |                    ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn acquire(&self) -> PermitGuard<'_> {
[INFO] [stderr]    |                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/pool/semaphore.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             b.park(None);
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let _ = b.park(None);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/pool/semaphore.rs:60:24
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard> {
[INFO] [stderr]    |                        ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn try_acquire(&self) -> Option<PermitGuard<'_>> {
[INFO] [stderr]    |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/pool/semaphore.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 w.unpark();
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let _ = w.unpark();
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             s.send(Some(Err(e)));
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 134 |             let _ = s.send(Some(Err(e)));
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         s.send(None);
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let _ = s.send(None);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:171:30
[INFO] [stderr]     |
[INFO] [stderr] 171 | ...                   r#yield!(v);
[INFO] [stderr]     |                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 171 |                              let _ = r#yield!(v);
[INFO] [stderr]     |                              +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:174:30
[INFO] [stderr]     |
[INFO] [stderr] 174 | ...                   end!();
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 174 |                              let _ = end!();
[INFO] [stderr]     |                              +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/query.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 | /                 r#yield!(match v {
[INFO] [stderr] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stderr] 338 | |                     Either::Right(row) => {
[INFO] [stderr] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stderr] 340 | |                     }
[INFO] [stderr] 341 | |                 });
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 336 |                 let _ = r#yield!(match v {
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/query_as.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 | /                 r#yield!(match v {
[INFO] [stderr] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stderr] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stderr] 120 | |                 });
[INFO] [stderr]     | |__________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 let _ = r#yield!(match v {
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::sleep`
[INFO] [stderr]    --> src/io/chan_stream.rs:187:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     use std::thread::sleep;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]    --> src/io/chan_stream.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     use std::time::Duration;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mco::co`
[INFO] [stderr]    --> src/io/chan_stream.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |     use mco::co;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryStream`
[INFO] [stderr]    --> src/io/chan_stream.rs:190:54
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stderr]     |                                                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Stream` and `TryStream`
[INFO] [stderr]  --> src/executor.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[INFO] [stderr]   |                                          ^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `permit`
[INFO] [stderr]    --> src/pool/semaphore.rs:184:21
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 let permit = b1.acquire();
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_permit`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/pool/semaphore.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         for idx in 0..total {
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/pool/semaphore.rs:193:23
[INFO] [stderr]     |
[INFO] [stderr] 193 |             if let Ok(v) = r.recv() {
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/utils/crud.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         for x in Self::columns() {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/pool/semaphore.rs:186:17
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 s1.send(1);
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 186 |                 let _ = s1.send(1);
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:196:15
[INFO] [stderr]     |
[INFO] [stderr] 196 |               r#yield!(1);
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 196 |               let _ = r#yield!(1);
[INFO] [stderr]     |               +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:208:14
[INFO] [stderr]     |
[INFO] [stderr] 208 |              r#yield!(1);
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 208 |              let _ = r#yield!(1);
[INFO] [stderr]     |              +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:209:14
[INFO] [stderr]     |
[INFO] [stderr] 209 |              r#yield!(2);
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 209 |              let _ = r#yield!(2);
[INFO] [stderr]     |              +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:210:14
[INFO] [stderr]     |
[INFO] [stderr] 210 |              r#yield!(3);
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 210 |              let _ = r#yield!(3);
[INFO] [stderr]     |              +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cdbc` (lib) generated 77 warnings (run `cargo fix --lib -p cdbc` to apply 46 suggestions)
[INFO] [stderr] warning: `cdbc` (lib test) generated 88 warnings (74 duplicates) (run `cargo fix --lib -p cdbc --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cdbc-3eb0dbf80ed6b63f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test io::chan_stream::test::test_for_each ... ok
[INFO] [stdout] test pool::assert_pool_traits ... ok
[INFO] [stdout] test io::chan_stream::test::test_chan_stream ... ok
[INFO] [stdout] test pool::semaphore::test::test_acq_mult ... ok
[INFO] [stdout] test pool::semaphore::test::test_acq_release_num ... ok
[INFO] [stdout] test pool::semaphore::test::test_acq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cdbc
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/database.rs - database (line 47) ... ignored
[INFO] [stdout] test src/from_row.rs - from_row::FromRow (line 14) ... ignored
[INFO] [stdout] test src/from_row.rs - from_row::FromRow (line 32) ... ignored
[INFO] [stdout] test src/from_row.rs - from_row::FromRow (line 54) ... ignored
[INFO] [stdout] test src/from_row.rs - from_row::FromRow (line 76) ... ignored
[INFO] [stdout] test src/pool/mod.rs - pool (line 29) ... ignored
[INFO] [stdout] test src/pool/mod.rs - pool (line 38) ... ignored
[INFO] [stdout] test src/pool/mod.rs - pool (line 49) ... ignored
[INFO] [stdout] test src/types/mod.rs - types::Type (line 112) ... ignored
[INFO] [stdout] test src/types/mod.rs - types::Type (line 136) ... ignored
[INFO] [stdout] test src/types/mod.rs - types::Type (line 142) ... ignored
[INFO] [stdout] test src/types/mod.rs - types::Type (line 155) ... ignored
[INFO] [stdout] test src/types/mod.rs - types::Type (line 93) ... ignored
[INFO] [stdout] test src/pool/options.rs - pool::options::PoolOptions<DB>::after_connect (line 128) - compile ... FAILED
[INFO] [stdout] test src/utils/scan.rs - utils::scan::impl_scan (line 10) - compile ... FAILED
[INFO] [stdout] test src/decode.rs - decode::Decode (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/pool/options.rs - pool::options::PoolOptions<DB>::after_connect (line 128) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `cdbc_pg`
[INFO] [stdout]    --> src/pool/options.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | use cdbc_pg::PgPoolOptions;
[INFO] [stdout]     |     ^^^^^^^ use of unresolved module or unlinked crate `cdbc_pg`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `cdbc_pg`, use `cargo add cdbc_pg` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/pool/options.rs:135:21
[INFO] [stdout]     |
[INFO] [stdout] 135 |     .after_connect(|conn| {
[INFO] [stdout]     |                     ^^^^
[INFO] [stdout] 136 |        conn.execute("SET application_name = 'your_app';")?;
[INFO] [stdout]     |        ---- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 135 |     .after_connect(|conn: /* Type */| {
[INFO] [stdout]     |                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/utils/scan.rs - utils::scan::impl_scan (line 10) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `SqliteRow` in this scope
[INFO] [stdout]   --> src/utils/scan.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl_scan!(SqliteRow,BizActivity{id:None,name:None,delete_flag:None});
[INFO] [stdout]    |            ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/utils/scan.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl_scan!(SqliteRow,BizActivity{id:None,name:None,delete_flag:None});
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `impl_scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `cdbc_sqlite`
[INFO] [stdout]   --> src/utils/scan.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn test(pool: cdbc_sqlite::SqlitePool){
[INFO] [stdout]    |               ^^^^^^^^^^^ use of unresolved module or unlinked crate `cdbc_sqlite`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `cdbc_sqlite`, use `cargo add cdbc_sqlite` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/pool/options.rs - pool::options::PoolOptions<DB>::after_connect (line 128)
[INFO] [stdout]     src/utils/scan.rs - utils::scan::impl_scan (line 10)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 13 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "58a7c4b5eeb1b1fe52f50f045f4a15a956e42a11f967c4fa02cf2889e7f376e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a7c4b5eeb1b1fe52f50f045f4a15a956e42a11f967c4fa02cf2889e7f376e7", kill_on_drop: false }`
[INFO] [stdout] 58a7c4b5eeb1b1fe52f50f045f4a15a956e42a11f967c4fa02cf2889e7f376e7