[INFO] fetching crate cdbc 0.1.23...
[INFO] testing cdbc-0.1.23 against 1.75.0 for beta-1.76-1
[INFO] extracting crate cdbc 0.1.23 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cdbc 0.1.23 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cdbc-macro v0.1.23
[INFO] [stderr]   Downloaded mco v0.1.48
[INFO] [stderr]   Downloaded miow v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d99d09fd167d9e578d117bb400badedf46814e1f79d11bca3604b7aeabe186c
[INFO] running `Command { std: "docker" "start" "-a" "8d99d09fd167d9e578d117bb400badedf46814e1f79d11bca3604b7aeabe186c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d99d09fd167d9e578d117bb400badedf46814e1f79d11bca3604b7aeabe186c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d99d09fd167d9e578d117bb400badedf46814e1f79d11bca3604b7aeabe186c", kill_on_drop: false }`
[INFO] [stdout] 8d99d09fd167d9e578d117bb400badedf46814e1f79d11bca3604b7aeabe186c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3468eeee2dad430d933f6f931428ef93a49820e77b943d52770c9bbf46e52eb1
[INFO] running `Command { std: "docker" "start" "-a" "3468eeee2dad430d933f6f931428ef93a49820e77b943d52770c9bbf46e52eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.17
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling crossbeam-queue v0.3.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling crossbeam v0.8.3
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling hashlink v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling cdbc-macro v0.1.23
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling time v0.3.31
[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)]` 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)]` 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`, `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`, `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`, `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`, `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: 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`, `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`, `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`, `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]` is ignored on function prototypes
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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)]` 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)]` 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)]` 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/io/chan_stream.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:32:17
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:94:17
[INFO] [stdout]     |
[INFO] [stdout] 94  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[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: 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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |                              r#yield!(v);
[INFO] [stdout]     |                              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      sender.send(None);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |                              end!();
[INFO] [stdout]     |                              ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `end` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      let _ = sender.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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.54s
[INFO] running `Command { std: "docker" "inspect" "3468eeee2dad430d933f6f931428ef93a49820e77b943d52770c9bbf46e52eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3468eeee2dad430d933f6f931428ef93a49820e77b943d52770c9bbf46e52eb1", kill_on_drop: false }`
[INFO] [stdout] 3468eeee2dad430d933f6f931428ef93a49820e77b943d52770c9bbf46e52eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26a3e2e36feff0fa9b48371349aacb44086d29a922c5734e33b2b8099e694f43
[INFO] running `Command { std: "docker" "start" "-a" "26a3e2e36feff0fa9b48371349aacb44086d29a922c5734e33b2b8099e694f43", 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)]` 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)]` 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`, `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`, `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`, `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`, `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: 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`, `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`, `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`, `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]` is ignored on function prototypes
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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)]` 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)]` 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)]` 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/io/chan_stream.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:32:17
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cdbc v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:94:17
[INFO] [stdout]     |
[INFO] [stdout] 94  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[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: 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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |                              r#yield!(v);
[INFO] [stdout]     |                              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      sender.send(None);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |                              end!();
[INFO] [stdout]     |                              ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `end` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      let _ = sender.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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[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)]` 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)]` 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`, `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`, `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`, `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`, `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: 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`, `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`, `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`, `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`, `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]` is ignored on function prototypes
[INFO] [stdout]   --> src/net/socket.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` 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]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` 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)]` 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]     = note: `#[warn(unused_variables)]` on by default
[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: `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] 
[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)]` 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/io/chan_stream.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:32:17
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:94:17
[INFO] [stdout]     |
[INFO] [stdout] 94  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[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: 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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |                              r#yield!(v);
[INFO] [stdout]     |                              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      sender.send(None);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |                              end!();
[INFO] [stdout]     |                              ------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `end` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |                      let _ = sender.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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 |               r#yield!(1);
[INFO] [stdout]     |               ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |              r#yield!(1);
[INFO] [stdout]     |              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |              r#yield!(2);
[INFO] [stdout]     |              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 210 |              r#yield!(3);
[INFO] [stdout]     |              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 | /                 r#yield!(match v {
[INFO] [stdout] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 338 | |                     Either::Right(row) => {
[INFO] [stdout] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 340 | |                     }
[INFO] [stdout] 341 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($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:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 77 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "26a3e2e36feff0fa9b48371349aacb44086d29a922c5734e33b2b8099e694f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a3e2e36feff0fa9b48371349aacb44086d29a922c5734e33b2b8099e694f43", kill_on_drop: false }`
[INFO] [stdout] 26a3e2e36feff0fa9b48371349aacb44086d29a922c5734e33b2b8099e694f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e986c47694388ae83ae5443024379dbf6ffc36c8364ac1c797e403d7a06da9c
[INFO] running `Command { std: "docker" "start" "-a" "2e986c47694388ae83ae5443024379dbf6ffc36c8364ac1c797e403d7a06da9c", 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)]` 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)]` 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`, `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`, `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`, `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`, `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: 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`, `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`, `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`, `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]` is ignored on function prototypes
[INFO] [stderr]   --> src/net/socket.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` 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]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` 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)]` 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)]` 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)]` 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/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/pool/executor.rs:32:17
[INFO] [stderr]     |
[INFO] [stderr] 32  |                 r#yield!(v);
[INFO] [stderr]     |                 ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/pool/executor.rs:94:17
[INFO] [stderr]     |
[INFO] [stderr] 94  |                 r#yield!(v);
[INFO] [stderr]     |                 ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[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: 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:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 171 |                              r#yield!(v);
[INFO] [stderr]     |                              ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:118:22
[INFO] [stderr]     |
[INFO] [stderr] 118 |                      sender.send(None);
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 174 |                              end!();
[INFO] [stderr]     |                              ------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `end` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 118 |                      let _ = sender.send(None);
[INFO] [stderr]     |                      +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/query.rs:336:17
[INFO] [stderr]     |
[INFO] [stderr] 336 | /                 r#yield!(match v {
[INFO] [stderr] 337 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stderr] 338 | |                     Either::Right(row) => {
[INFO] [stderr] 339 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stderr] 340 | |                     }
[INFO] [stderr] 341 | |                 });
[INFO] [stderr]     | |__________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                       sender.send(Some(Ok($v)));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/query_as.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 | /                 r#yield!(match v {
[INFO] [stderr] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stderr] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stderr] 120 | |                 });
[INFO] [stderr]     | |__________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($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`, `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: `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]     = note: `#[warn(unused_variables)]` on by default
[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: `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] 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:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 196 |               r#yield!(1);
[INFO] [stderr]     |               ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 208 |              r#yield!(1);
[INFO] [stderr]     |              ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 209 |              r#yield!(2);
[INFO] [stderr]     |              ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/io/chan_stream.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 210 |              r#yield!(3);
[INFO] [stderr]     |              ----------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 105 |                     let _ = sender.send(Some(Ok($v)));
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cdbc` (lib) generated 66 warnings (run `cargo fix --lib -p cdbc` to apply 43 suggestions)
[INFO] [stderr] warning: `cdbc` (lib test) generated 77 warnings (63 duplicates) (run `cargo fix --lib -p cdbc --tests` to apply 9 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cdbc-fc1f0d1205db6269)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test io::chan_stream::test::test_chan_stream ... ok
[INFO] [stdout] test pool::assert_pool_traits ... ok
[INFO] [stdout] test io::chan_stream::test::test_for_each ... 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 5.00s
[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] 7 | use cdbc_pg::PgPoolOptions;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `cdbc_pg`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[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] 12 | impl_scan!(SqliteRow,BizActivity{id:None,name:None,delete_flag:None});
[INFO] [stdout]    |            ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cdbc_sqlite`
[INFO] [stdout]   --> src/utils/scan.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn test(pool: cdbc_sqlite::SqlitePool){
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared crate or module `cdbc_sqlite`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[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 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2e986c47694388ae83ae5443024379dbf6ffc36c8364ac1c797e403d7a06da9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e986c47694388ae83ae5443024379dbf6ffc36c8364ac1c797e403d7a06da9c", kill_on_drop: false }`
[INFO] [stdout] 2e986c47694388ae83ae5443024379dbf6ffc36c8364ac1c797e403d7a06da9c
