[INFO] fetching crate cdbc 0.1.9...
[INFO] checking cdbc-0.1.9 against master#f1ce0e6a00593493a12e0e3662119786c761f375 for pr-92413
[INFO] extracting crate cdbc 0.1.9 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate cdbc 0.1.9 on toolchain f1ce0e6a00593493a12e0e3662119786c761f375
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdbc 0.1.9
[INFO] finished tweaking crates.io crate cdbc 0.1.9
[INFO] tweaked toml for crates.io crate cdbc 0.1.9 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e361cf29374393ea7991410f129f2b0a4d5b4167d6936a1b5a9f3d4eec3992cc
[INFO] running `Command { std: "docker" "start" "-a" "e361cf29374393ea7991410f129f2b0a4d5b4167d6936a1b5a9f3d4eec3992cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e361cf29374393ea7991410f129f2b0a4d5b4167d6936a1b5a9f3d4eec3992cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e361cf29374393ea7991410f129f2b0a4d5b4167d6936a1b5a9f3d4eec3992cc", kill_on_drop: false }`
[INFO] [stdout] e361cf29374393ea7991410f129f2b0a4d5b4167d6936a1b5a9f3d4eec3992cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+f1ce0e6a00593493a12e0e3662119786c761f375" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fd1ea785d30e8c4acccc43c87c3d442e522b5789b01eb6e65787705d1711bf3
[INFO] running `Command { std: "docker" "start" "-a" "9fd1ea785d30e8c4acccc43c87c3d442e522b5789b01eb6e65787705d1711bf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
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[INFO] [stderr]     Checking nix v0.21.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling cogo v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cdbc v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cogo::std::sync::mpmc`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cogo::std::sync::mpmc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `native_tls::HandshakeError`
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use native_tls::HandshakeError;
[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:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |             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:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::std::sync::Blocker`
[INFO] [stdout]  --> src/pool/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cogo::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: `cogo::std::sync::Blocker`
[INFO] [stdout]   --> src/pool/inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use cogo::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:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::std::sync::{Blocker, Semphore};
[INFO] [stdout]   |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/pool/semaphore.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Result`
[INFO] [stdout]  --> src/pool/semaphore.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::net::TcpStream`
[INFO] [stdout]  --> src/io/buf_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::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: `cogo::net::TcpStream`
[INFO] [stdout]  --> src/io/write_and_flush.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::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:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Error;
[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::time::Duration`
[INFO] [stdout]  --> src/connection.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[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: `native_tls::HandshakeError`
[INFO] [stdout]   --> src/net/tls/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use native_tls::HandshakeError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::decode::Decode`
[INFO] [stdout]   --> src/net/tls/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::encode::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::std::sync::mpmc`
[INFO] [stdout]   --> src/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use cogo::std::sync::mpmc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `native_tls::HandshakeError`
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use native_tls::HandshakeError;
[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:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |             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:114:26
[INFO] [stdout]     |
[INFO] [stdout] 114 |             macro_rules! end {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::std::sync::Blocker`
[INFO] [stdout]  --> src/pool/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cogo::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: `cogo::std::sync::Blocker`
[INFO] [stdout]   --> src/pool/inner.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use cogo::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:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::std::sync::{Blocker, Semphore};
[INFO] [stdout]   |                                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Error`
[INFO] [stdout]  --> src/pool/semaphore.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Result`
[INFO] [stdout]  --> src/pool/semaphore.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::net::TcpStream`
[INFO] [stdout]  --> src/io/buf_stream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::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: `cogo::net::TcpStream`
[INFO] [stdout]  --> src/io/write_and_flush.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use cogo::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:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::sleep`
[INFO] [stdout]    --> src/io/chan_stream.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     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:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     use std::time::Duration;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cogo::go`
[INFO] [stdout]    --> src/io/chan_stream.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     use cogo::go;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryStream`
[INFO] [stdout]    --> src/io/chan_stream.rs:189:54
[INFO] [stdout]     |
[INFO] [stdout] 189 |     use crate::io::chan_stream::{ChanStream, Stream, TryStream};
[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::time::Duration`
[INFO] [stdout]  --> src/connection.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[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: `native_tls::HandshakeError`
[INFO] [stdout]   --> src/net/tls/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use native_tls::HandshakeError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::decode::Decode`
[INFO] [stdout]   --> src/net/tls/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | 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:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | 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:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/net/socket.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/net/socket.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/net/socket.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{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: 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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/pool/inner.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let timeout = deadline_as_timeout::<DB>(deadline)?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/io/chan_stream.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             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/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 import: `Read`
[INFO] [stdout]  --> src/net/socket.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/net/socket.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{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: 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]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timeout`
[INFO] [stdout]    --> src/pool/inner.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let timeout = deadline_as_timeout::<DB>(deadline)?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/io/chan_stream.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             Err(e) => { None }
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[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: `idx`
[INFO] [stdout]    --> src/pool/semaphore.rs:192:13
[INFO] [stdout]     |
[INFO] [stdout] 192 |         for idx in 0..total {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/pool/semaphore.rs:193:23
[INFO] [stdout]     |
[INFO] [stdout] 193 |             if let Ok(v) = r.recv() {
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: variable does not need to be mutable
[INFO] [stdout]    --> src/query.rs:280:31
[INFO] [stdout]     |
[INFO] [stdout] 280 |     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:323:35
[INFO] [stdout]     |
[INFO] [stdout] 323 |     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:335:35
[INFO] [stdout]     |
[INFO] [stdout] 335 |     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: variable does not need to be mutable
[INFO] [stdout]    --> src/query.rs:280:31
[INFO] [stdout]     |
[INFO] [stdout] 280 |     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:323:35
[INFO] [stdout]     |
[INFO] [stdout] 323 |     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:335:35
[INFO] [stdout]     |
[INFO] [stdout] 335 |     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: field is never read: `blocker`
[INFO] [stdout]   --> src/pool/semaphore.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     blocker: Arc<cogo::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 is never used: `PollReadBuf`
[INFO] [stdout]  --> src/net/mod.rs:8:1
[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:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 | /                 r#yield!(match v {
[INFO] [stdout] 311 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 312 | |                     Either::Right(row) => {
[INFO] [stdout] 313 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 314 | |                     }
[INFO] [stdout] 315 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       sender.send(Some(Ok($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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/pool/executor.rs:32:17
[INFO] [stdout]     |
[INFO] [stdout] 32  |                 r#yield!(v);
[INFO] [stdout]     |                 ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             b.park(None);
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 w.unpark();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         s.send(None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |                              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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |                      sender.send(None);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |                              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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `blocker`
[INFO] [stdout]   --> src/pool/semaphore.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     blocker: Arc<cogo::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 is never used: `PollReadBuf`
[INFO] [stdout]  --> src/net/mod.rs:8:1
[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:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 | /                 r#yield!(match v {
[INFO] [stdout] 311 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 312 | |                     Either::Right(row) => {
[INFO] [stdout] 313 | |                         Either::Right((self.mapper)(row)?)
[INFO] [stdout] 314 | |                     }
[INFO] [stdout] 315 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       sender.send(Some(Ok($v)));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/query_as.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 | /                 r#yield!(match v {
[INFO] [stdout] 118 | |                     Either::Left(v) => Either::Left(v),
[INFO] [stdout] 119 | |                     Either::Right(row) => Either::Right(O::from_row(&row)?),
[INFO] [stdout] 120 | |                 });
[INFO] [stdout]     | |__________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($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: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             b.park(None);
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/pool/semaphore.rs:79:17
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 w.unpark();
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         s.send(None);
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |                              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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |                      sender.send(None);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |                              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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |               r#yield!(1);
[INFO] [stdout]     |               ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |              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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |              r#yield!(2);
[INFO] [stdout]     |              ----------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in the macro `yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/io/chan_stream.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     sender.send(Some(Ok($v)));
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |              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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `Command { std: "docker" "inspect" "9fd1ea785d30e8c4acccc43c87c3d442e522b5789b01eb6e65787705d1711bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd1ea785d30e8c4acccc43c87c3d442e522b5789b01eb6e65787705d1711bf3", kill_on_drop: false }`
[INFO] [stdout] 9fd1ea785d30e8c4acccc43c87c3d442e522b5789b01eb6e65787705d1711bf3