[INFO] fetching crate ringest-io 0.1.0...
[INFO] testing ringest-io-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate ringest-io 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ringest-io 0.1.0
[INFO] finished tweaking crates.io crate ringest-io 0.1.0
[INFO] tweaked toml for crates.io crate ringest-io 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringest-io 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ringest-io 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringest-error v0.1.0
[INFO] [stderr]   Downloaded minstant v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5c8402239c02bdacb75313a2d8f29a3ff3aed79c9d0fc35b7d6c5ba1cc3b095
[INFO] running `Command { std: "docker" "start" "-a" "b5c8402239c02bdacb75313a2d8f29a3ff3aed79c9d0fc35b7d6c5ba1cc3b095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5c8402239c02bdacb75313a2d8f29a3ff3aed79c9d0fc35b7d6c5ba1cc3b095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c8402239c02bdacb75313a2d8f29a3ff3aed79c9d0fc35b7d6c5ba1cc3b095", kill_on_drop: false }`
[INFO] [stdout] b5c8402239c02bdacb75313a2d8f29a3ff3aed79c9d0fc35b7d6c5ba1cc3b095
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e004ac4821c624681993b1ca9634c0b967999594ef9d2f67ff78e3db7a38ed
[INFO] running `Command { std: "docker" "start" "-a" "95e004ac4821c624681993b1ca9634c0b967999594ef9d2f67ff78e3db7a38ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling minstant v0.1.7
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling ringest-error v0.1.0
[INFO] [stderr]    Compiling ringest-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `write`
[INFO] [stdout]  --> src/read.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, write};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic::Ordering`
[INFO] [stdout]  --> src/read.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, atomic::Ordering};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicU64` and `Ordering`
[INFO] [stdout]  --> src/write.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicU64, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stdout]  --> src/write.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/write.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/write.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ringest_error::{Error, Result};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `WriteQueue`
[INFO] [stdout]  --> src/write.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, WriteQueue};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/ctx.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, atomic::{AtomicBool, Ordering}}, time::Duration};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]  --> src/ctx.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::TimeCache`
[INFO] [stdout]  --> src/ctx.rs:5:118
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{IoMetrics, IoTarget, IoTimeoutExt, LatencyMeasureExt, PendingRead, PendingWrite, TIME_CACHE, WriteQueue, time::TimeCache};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]   --> src/lib.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]   --> src/lib.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `len` are never read
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PendingRead {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     offset: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     len: u64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "95e004ac4821c624681993b1ca9634c0b967999594ef9d2f67ff78e3db7a38ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e004ac4821c624681993b1ca9634c0b967999594ef9d2f67ff78e3db7a38ed", kill_on_drop: false }`
[INFO] [stdout] 95e004ac4821c624681993b1ca9634c0b967999594ef9d2f67ff78e3db7a38ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2414b3e50100573a19918fa07ced8d21f5f78fb10283413eb2be76e8d364e312
[INFO] running `Command { std: "docker" "start" "-a" "2414b3e50100573a19918fa07ced8d21f5f78fb10283413eb2be76e8d364e312", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `write`
[INFO] [stdout]  --> src/read.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, write};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic::Ordering`
[INFO] [stdout]  --> src/read.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, atomic::Ordering};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicU64` and `Ordering`
[INFO] [stdout]  --> src/write.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicU64, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stdout]  --> src/write.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/write.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/write.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ringest_error::{Error, Result};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `WriteQueue`
[INFO] [stdout]  --> src/write.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, WriteQueue};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/ctx.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, atomic::{AtomicBool, Ordering}}, time::Duration};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]  --> src/ctx.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::TimeCache`
[INFO] [stdout]  --> src/ctx.rs:5:118
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{IoMetrics, IoTarget, IoTimeoutExt, LatencyMeasureExt, PendingRead, PendingWrite, TIME_CACHE, WriteQueue, time::TimeCache};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]   --> src/lib.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]   --> src/lib.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `len` are never read
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PendingRead {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     offset: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     len: u64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ringest-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `write`
[INFO] [stdout]  --> src/read.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, write};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `atomic::Ordering`
[INFO] [stdout]  --> src/read.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Arc, atomic::Ordering};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicU64` and `Ordering`
[INFO] [stdout]  --> src/write.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicU64, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stdout]  --> src/write.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/write.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]  --> src/write.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use parking_lot::RwLock;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/write.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ringest_error::{Error, Result};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `WriteQueue`
[INFO] [stdout]  --> src/write.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, WriteQueue};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]  --> src/ctx.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, atomic::{AtomicBool, Ordering}}, time::Duration};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]  --> src/ctx.rs:4:26
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::TimeCache`
[INFO] [stdout]  --> src/ctx.rs:5:118
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{IoMetrics, IoTarget, IoTimeoutExt, LatencyMeasureExt, PendingRead, PendingWrite, TIME_CACHE, WriteQueue, time::TimeCache};
[INFO] [stdout]   |                                                                                                                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stdout]  --> src/lib.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^^         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Notify`
[INFO] [stdout]   --> src/lib.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::{Mutex, Notify};
[INFO] [stdout]    |                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AtomicBool`
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stdout]   --> src/lib.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]    |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `offset` and `len` are never read
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PendingRead {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 7 |     offset: u64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     len: u64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2414b3e50100573a19918fa07ced8d21f5f78fb10283413eb2be76e8d364e312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2414b3e50100573a19918fa07ced8d21f5f78fb10283413eb2be76e8d364e312", kill_on_drop: false }`
[INFO] [stdout] 2414b3e50100573a19918fa07ced8d21f5f78fb10283413eb2be76e8d364e312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90ccf1644e0bcb0ee86855179f767387fc8b7f80f48ae3119c9e19cb968d5a9f
[INFO] running `Command { std: "docker" "start" "-a" "90ccf1644e0bcb0ee86855179f767387fc8b7f80f48ae3119c9e19cb968d5a9f", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `write`
[INFO] [stderr]  --> src/read.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, write};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `atomic::Ordering`
[INFO] [stderr]  --> src/read.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::{Arc, atomic::Ordering};
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicU64` and `Ordering`
[INFO] [stderr]  --> src/write.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::atomic::{AtomicU64, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `SystemTime`, and `UNIX_EPOCH`
[INFO] [stderr]  --> src/write.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stderr]  --> src/write.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stderr]   |             ^^^^^^         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parking_lot::RwLock`
[INFO] [stderr]  --> src/write.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use parking_lot::RwLock;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/write.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ringest_error::{Error, Result};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IoTimeoutExt`, `LatencyMeasureExt`, and `WriteQueue`
[INFO] [stderr]  --> src/write.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::{IoContext, IoTarget, IoTimeoutExt, LatencyMeasureExt, WriteQueue};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AtomicBool`
[INFO] [stderr]  --> src/ctx.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{sync::{Arc, atomic::{AtomicBool, Ordering}}, time::Duration};
[INFO] [stderr]   |                                ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Notify`
[INFO] [stderr]  --> src/ctx.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::sync::{Mutex, Notify};
[INFO] [stderr]   |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::TimeCache`
[INFO] [stderr]  --> src/ctx.rs:5:118
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::{IoMetrics, IoTarget, IoTimeoutExt, LatencyMeasureExt, PendingRead, PendingWrite, TIME_CACHE, WriteQueue, time::TimeCache};
[INFO] [stderr]   |                                                                                                                      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufMut` and `BytesMut`
[INFO] [stderr]  --> src/lib.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bytes::{BufMut, Bytes, BytesMut};
[INFO] [stderr]   |             ^^^^^^         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Notify`
[INFO] [stderr]   --> src/lib.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio::sync::{Mutex, Notify};
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AtomicBool`
[INFO] [stderr]   --> src/lib.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime` and `UNIX_EPOCH`
[INFO] [stderr]   --> src/lib.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `offset` and `len` are never read
[INFO] [stderr]  --> src/read.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct PendingRead {
[INFO] [stderr]   |            ----------- fields in this struct
[INFO] [stderr] 7 |     offset: u64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 8 |     len: u64,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ringest-io` (lib) generated 16 warnings (run `cargo fix --lib -p ringest-io` to apply 15 suggestions)
[INFO] [stderr] warning: `ringest-io` (lib test) generated 16 warnings (16 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringest_io-08e0548e0ae544bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringest_io
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90ccf1644e0bcb0ee86855179f767387fc8b7f80f48ae3119c9e19cb968d5a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ccf1644e0bcb0ee86855179f767387fc8b7f80f48ae3119c9e19cb968d5a9f", kill_on_drop: false }`
[INFO] [stdout] 90ccf1644e0bcb0ee86855179f767387fc8b7f80f48ae3119c9e19cb968d5a9f
