[INFO] fetching crate twinkle 0.1.3... [INFO] checking twinkle-0.1.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] extracting crate twinkle 0.1.3 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate twinkle 0.1.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-26/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c6e737bbb5aa06116d35d896ede09306fd23d4c484a53a4f8c82990c89c9d13 [INFO] running `Command { std: "docker" "start" "-a" "4c6e737bbb5aa06116d35d896ede09306fd23d4c484a53a4f8c82990c89c9d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c6e737bbb5aa06116d35d896ede09306fd23d4c484a53a4f8c82990c89c9d13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c6e737bbb5aa06116d35d896ede09306fd23d4c484a53a4f8c82990c89c9d13", kill_on_drop: false }` [INFO] [stdout] 4c6e737bbb5aa06116d35d896ede09306fd23d4c484a53a4f8c82990c89c9d13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82d25a1c934cc1de8d110a8326a1de593d4136b953dbe32ccbb5e106dcc9fe2d [INFO] running `Command { std: "docker" "start" "-a" "82d25a1c934cc1de8d110a8326a1de593d4136b953dbe32ccbb5e106dcc9fe2d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-executor v0.3.18 [INFO] [stderr] Checking futures v0.3.18 [INFO] [stderr] Checking 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: `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] [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 dev [unoptimized + debuginfo] target(s) in 21.80s [INFO] running `Command { std: "docker" "inspect" "82d25a1c934cc1de8d110a8326a1de593d4136b953dbe32ccbb5e106dcc9fe2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82d25a1c934cc1de8d110a8326a1de593d4136b953dbe32ccbb5e106dcc9fe2d", kill_on_drop: false }` [INFO] [stdout] 82d25a1c934cc1de8d110a8326a1de593d4136b953dbe32ccbb5e106dcc9fe2d