[INFO] fetching crate twinkle 0.1.3...
[INFO] testing twinkle-0.1.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate twinkle 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate twinkle 0.1.3
[INFO] finished tweaking crates.io crate twinkle 0.1.3
[INFO] tweaked toml for crates.io crate twinkle 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twinkle 0.1.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to highest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.53.3)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.28.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4
[INFO] running `Command { std: "docker" "start" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.34
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling futures-executor v0.3.34
[INFO] [stderr]    Compiling futures v0.3.34
[INFO] [stderr]    Compiling twinkle v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]   --> src/listener.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::errors::*;
[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: `crate::errors::*`
[INFO] [stdout]  --> src/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/request.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout] 16 +     pub fn issue(self) -> Result<Packet, std::io::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]  --> src/packet.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::join`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use futures::future::join;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/lib.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::time::{Duration};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]   --> src/lib.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::io::{Error, ErrorKind};
[INFO] [stdout]    |               ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/request.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if u > From::from(u16::max_value()){
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT` is never used
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwinkleError` is never used
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum TwinkleError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dispatcher.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             sock.send(&b).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = sock.send(&b).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 27.05s
[INFO] running `Command { std: "docker" "inspect" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]   --> src/listener.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::errors::*;
[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: `crate::errors::*`
[INFO] [stdout]  --> src/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/request.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout] 16 +     pub fn issue(self) -> Result<Packet, std::io::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]  --> src/packet.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::join`
[INFO] [stdout]   --> src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use futures::future::join;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::timeout`
[INFO] [stdout]   --> src/lib.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | use tokio::time::timeout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/lib.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 | use std::time::{Duration};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stdout]   --> src/lib.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::io::{Error, ErrorKind};
[INFO] [stdout]    |               ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/request.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if u > From::from(u16::max_value()){
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT` is never used
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwinkleError` is never used
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum TwinkleError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dispatcher.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             sock.send(&b).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = sock.send(&b).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling twinkle v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]   --> src/listener.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::errors::*;
[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: `crate::errors::*`
[INFO] [stdout]  --> src/request.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/request.rs:16:34
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout]    |                                  ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stdout] 16 +     pub fn issue(self) -> Result<Packet, std::io::Error> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::errors::*`
[INFO] [stdout]  --> src/packet.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::errors::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> src/request.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |     if u > From::from(u16::max_value()){
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIMEOUT` is never used
[INFO] [stdout]   --> src/types.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TwinkleError` is never used
[INFO] [stdout]  --> src/errors.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum TwinkleError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dispatcher.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             sock.send(&b).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let _ = sock.send(&b).await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 client.unset(b"hoge".to_vec()).await;
[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] 71 |                 let _ = client.unset(b"hoge".to_vec()).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 client.set(b"fuga".to_vec(), b"foo".to_vec()).await;
[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] 86 |                 let _ = client.set(b"fuga".to_vec(), b"foo".to_vec()).await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::errors::*`
[INFO] [stderr]   --> src/listener.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::errors::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::*`
[INFO] [stderr]  --> src/request.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::errors::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/request.rs:16:34
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stderr]    |                                  ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 -     pub fn issue(self) -> Result<(Packet), std::io::Error> {
[INFO] [stderr] 16 +     pub fn issue(self) -> Result<Packet, std::io::Error> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::*`
[INFO] [stderr]  --> src/packet.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::errors::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::future::join`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 | use futures::future::join;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::time::timeout`
[INFO] [stderr]   --> src/lib.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | use tokio::time::timeout;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/lib.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 | use std::time::{Duration};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ErrorKind` and `Error`
[INFO] [stderr]   --> src/lib.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 | use std::io::{Error, ErrorKind};
[INFO] [stderr]    |               ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::num::<impl u16>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> src/request.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |     if u > From::from(u16::max_value()){
[INFO] [stderr]    |                            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TIMEOUT` is never used
[INFO] [stderr]   --> src/types.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1);
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TwinkleError` is never used
[INFO] [stderr]  --> src/errors.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum TwinkleError {
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/dispatcher.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |             sock.send(&b).await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let _ = sock.send(&b).await;
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 client.unset(b"hoge".to_vec()).await;
[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] 71 |                 let _ = client.unset(b"hoge".to_vec()).await;
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:86:17
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 client.set(b"fuga".to_vec(), b"foo".to_vec()).await;
[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] 86 |                 let _ = client.set(b"fuga".to_vec(), b"foo".to_vec()).await;
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `twinkle` (lib) generated 12 warnings (run `cargo fix --lib -p twinkle` to apply 8 suggestions)
[INFO] [stderr] warning: `twinkle` (lib test) generated 10 warnings (8 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/twinkle/215cb63eed6c5f5b/out/twinkle-215cb63eed6c5f5b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_set_and_get ... FAILED
[INFO] [stdout] test tests::test_get_not_found ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::test_ping ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_set_and_get stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_set_and_get' (414) panicked at src/lib.rs:87:52:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: "request timeout" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a54688faf11 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5a546890fb9a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x5a54688ff5ac - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5a54688d6576 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5a54688f2f39 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x5a546886dc00 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x5a54688f30f2 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5a54688d6622 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5a54688cf259 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5a54688d741d - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x5a54689102fc - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5a54689100d2 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x5a5468858ff5 - <tokio[feeab2eb9cbfbd09]::time::timeout::Timeout<twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}::{closure#0}> as core[a373ad73a504971]::future::future::Future>::poll
[INFO] [stdout]   13:     0x5a54688511a6 - <futures_util[d961ca53b45781c3]::future::join::Join<tokio[feeab2eb9cbfbd09]::time::timeout::Timeout<<twinkle[c9e35e4c7c4fa38]::client::Manager>::run::{closure#0}>, tokio[feeab2eb9cbfbd09]::time::timeout::Timeout<twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}::{closure#0}>> as core[a373ad73a504971]::future::future::Future>::poll
[INFO] [stdout]   14:     0x5a5468849b13 - twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}
[INFO] [stdout]   15:     0x5a5468851e02 - <tokio[feeab2eb9cbfbd09]::macros::scoped_tls::ScopedKey<tokio[feeab2eb9cbfbd09]::runtime::basic_scheduler::Context>>::set::<tokio[feeab2eb9cbfbd09]::runtime::basic_scheduler::enter<<tokio[feeab2eb9cbfbd09]::runtime::basic_scheduler::BasicScheduler<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::time::driver::Driver<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>, tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>>>::block_on<twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}>::{closure#0}, (), tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::time::driver::Driver<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>, tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>>::{closure#0}, ()>
[INFO] [stdout]   16:     0x5a5468856902 - tokio[feeab2eb9cbfbd09]::runtime::basic_scheduler::enter::<<tokio[feeab2eb9cbfbd09]::runtime::basic_scheduler::BasicScheduler<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::time::driver::Driver<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>, tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>>>::block_on<twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}>::{closure#0}, (), tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::time::driver::Driver<tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>, tokio[feeab2eb9cbfbd09]::park::either::Either<tokio[feeab2eb9cbfbd09]::io::driver::Driver, tokio[feeab2eb9cbfbd09]::park::thread::ParkThread>>>
[INFO] [stdout]   17:     0x5a54688597b2 - <tokio[feeab2eb9cbfbd09]::runtime::handle::Handle>::enter::<<tokio[feeab2eb9cbfbd09]::runtime::Runtime>::block_on<twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0}>::{closure#0}, ()>
[INFO] [stdout]   18:     0x5a546884bacf - <twinkle[c9e35e4c7c4fa38]::tests::test_set_and_get::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   19:     0x5a546886104b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   20:     0x5a546886e225 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   21:     0x5a5468867b14 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   22:     0x5a54688712b2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   23:     0x5a54688fa17f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   24:     0x71d8e08fbdfa - <unknown>
[INFO] [stdout]   25:     0x71d8e098f3d4 - clone
[INFO] [stdout]   26:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_ping stdout ----
[INFO] [stdout] Error: Custom { kind: Other, error: "request timeout" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_ping
[INFO] [stdout]     tests::test_set_and_get
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4", kill_on_drop: false }`
[INFO] [stdout] d3c1c660ebefd042b640b730284267d35a02479f0899f385a42ba7d734c928e4
