[INFO] fetching crate twinkle 0.1.3... [INFO] building twinkle-0.1.3 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180 [INFO] extracting crate twinkle 0.1.3 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate twinkle 0.1.3 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcdf877e55e26ec23b1c6f8ba48a366be70971e14c2ed42d36bbdf9c71822e8d [INFO] running `Command { std: "docker" "start" "-a" "bcdf877e55e26ec23b1c6f8ba48a366be70971e14c2ed42d36bbdf9c71822e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcdf877e55e26ec23b1c6f8ba48a366be70971e14c2ed42d36bbdf9c71822e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcdf877e55e26ec23b1c6f8ba48a366be70971e14c2ed42d36bbdf9c71822e8d", kill_on_drop: false }` [INFO] [stdout] bcdf877e55e26ec23b1c6f8ba48a366be70971e14c2ed42d36bbdf9c71822e8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8b18c133836411aa36c91164b02e5592a454346c81952306a2324b8fbcf0f1a [INFO] running `Command { std: "docker" "start" "-a" "e8b18c133836411aa36c91164b02e5592a454346c81952306a2324b8fbcf0f1a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.116 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling futures-sink v0.3.19 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-io v0.3.19 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling getrandom v0.2.4 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-executor v0.3.19 [INFO] [stderr] Compiling futures v0.3.19 [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)]` 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)]` 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 { [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`, `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: constant is never used: `TIMEOUT` [INFO] [stdout] --> src/types.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `TwinkleError` [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.25s [INFO] running `Command { std: "docker" "inspect" "e8b18c133836411aa36c91164b02e5592a454346c81952306a2324b8fbcf0f1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8b18c133836411aa36c91164b02e5592a454346c81952306a2324b8fbcf0f1a", kill_on_drop: false }` [INFO] [stdout] e8b18c133836411aa36c91164b02e5592a454346c81952306a2324b8fbcf0f1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d3df811800aa7500e98a22f362c93bdfe6bc6fa42ea2b1d3ffb6019de8c32cc [INFO] running `Command { std: "docker" "start" "-a" "4d3df811800aa7500e98a22f362c93bdfe6bc6fa42ea2b1d3ffb6019de8c32cc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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)]` 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)]` 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 { [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`, `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: constant is never used: `TIMEOUT` [INFO] [stdout] --> src/types.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `TwinkleError` [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [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)]` 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)]` 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 { [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: constant is never used: `TIMEOUT` [INFO] [stdout] --> src/types.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub const TIMEOUT: Duration = Duration::from_secs(1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `TwinkleError` [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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] [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] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "4d3df811800aa7500e98a22f362c93bdfe6bc6fa42ea2b1d3ffb6019de8c32cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3df811800aa7500e98a22f362c93bdfe6bc6fa42ea2b1d3ffb6019de8c32cc", kill_on_drop: false }` [INFO] [stdout] 4d3df811800aa7500e98a22f362c93bdfe6bc6fa42ea2b1d3ffb6019de8c32cc