[INFO] fetching crate pi_async_buffer 0.7.0... [INFO] checking pi_async_buffer-0.7.0 against master#0692db1a9082380e027f354912229dfd6af37e78 for pr-115974 [INFO] extracting crate pi_async_buffer 0.7.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate pi_async_buffer 0.7.0 on toolchain 0692db1a9082380e027f354912229dfd6af37e78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0692db1a9082380e027f354912229dfd6af37e78" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pi_async_buffer 0.7.0 [INFO] finished tweaking crates.io crate pi_async_buffer 0.7.0 [INFO] tweaked toml for crates.io crate pi_async_buffer 0.7.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0692db1a9082380e027f354912229dfd6af37e78" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0692db1a9082380e027f354912229dfd6af37e78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pi_wrr v0.1.1 [INFO] [stderr] Downloaded st3 v0.4.1 [INFO] [stderr] Downloaded pi_wheel v0.1.0 [INFO] [stderr] Downloaded pi_ext_heap v0.1.0 [INFO] [stderr] Downloaded pi_slot_wheel v0.2.0 [INFO] [stderr] Downloaded pi_hash v0.1.1 [INFO] [stderr] Downloaded pi_slot_deque v0.2.1 [INFO] [stderr] Downloaded pi_cancel_timer v0.2.0 [INFO] [stderr] Downloaded pi_timer v0.1.0 [INFO] [stderr] Downloaded pi_async_file v0.5.0 [INFO] [stderr] Downloaded pi-async-rt v0.1.12 [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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+0692db1a9082380e027f354912229dfd6af37e78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d9f9b06555a9865c893549c9d37d24f9a88057884bdfcd3a6698b816fa02d2a [INFO] running `Command { std: "docker" "start" "-a" "5d9f9b06555a9865c893549c9d37d24f9a88057884bdfcd3a6698b816fa02d2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d9f9b06555a9865c893549c9d37d24f9a88057884bdfcd3a6698b816fa02d2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d9f9b06555a9865c893549c9d37d24f9a88057884bdfcd3a6698b816fa02d2a", kill_on_drop: false }` [INFO] [stdout] 5d9f9b06555a9865c893549c9d37d24f9a88057884bdfcd3a6698b816fa02d2a [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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+0692db1a9082380e027f354912229dfd6af37e78" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 029103f9c2a09cb01ffde1426ce5cd3e321515b2de41c978f4d2d2f889775ca6 [INFO] running `Command { std: "docker" "start" "-a" "029103f9c2a09cb01ffde1426ce5cd3e321515b2de41c978f4d2d2f889775ca6", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling slotmap v1.0.6 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking pi_ext_heap v0.1.0 [INFO] [stderr] Checking gimli v0.28.0 [INFO] [stderr] Checking futures-util v0.3.28 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling crossbeam-queue v0.3.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking pi_slot_deque v0.2.1 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking pi_slot_wheel v0.2.0 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking nanorand v0.7.0 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking twox-hash v1.6.3 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking object v0.32.1 [INFO] [stderr] Checking pi_wheel v0.1.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking pi_timer v0.1.0 [INFO] [stderr] Checking pi_hash v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking pin-project v1.1.3 [INFO] [stderr] Checking pi_cancel_timer v0.2.0 [INFO] [stderr] Checking flume v0.10.14 [INFO] [stderr] Checking quanta v0.11.1 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking st3 v0.4.1 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking pi_wrr v0.1.1 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking pi-async-rt v0.1.12 [INFO] [stderr] Checking pi_async_file v0.5.0 [INFO] [stderr] Checking pi_async_buffer v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `StreamExt` [INFO] [stdout] --> src/async_pipeline.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::{stream::{Stream, FusedStream, StreamExt}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:120:41 [INFO] [stdout] | [INFO] [stdout] 120 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:171:41 [INFO] [stdout] | [INFO] [stdout] 171 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:311:25 [INFO] [stdout] | [INFO] [stdout] 311 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:508:25 [INFO] [stdout] | [INFO] [stdout] 508 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:612:41 [INFO] [stdout] | [INFO] [stdout] 612 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:664:41 [INFO] [stdout] | [INFO] [stdout] 664 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:778:25 [INFO] [stdout] | [INFO] [stdout] 778 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:882:41 [INFO] [stdout] | [INFO] [stdout] 882 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:934:41 [INFO] [stdout] | [INFO] [stdout] 934 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StreamExt` [INFO] [stdout] --> src/async_pipeline.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::{stream::{Stream, FusedStream, StreamExt}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncPipeLineExt` [INFO] [stdout] --> tests/test.rs:14:58 [INFO] [stdout] | [INFO] [stdout] 14 | async_pipeline::{AsyncReceiverExt, AsyncPipeLineExt, channel}}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:120:41 [INFO] [stdout] | [INFO] [stdout] 120 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:171:41 [INFO] [stdout] | [INFO] [stdout] 171 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:311:25 [INFO] [stdout] | [INFO] [stdout] 311 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:508:25 [INFO] [stdout] | [INFO] [stdout] 508 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:612:41 [INFO] [stdout] | [INFO] [stdout] 612 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:664:41 [INFO] [stdout] | [INFO] [stdout] 664 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `spin_len` is never read [INFO] [stdout] --> src/async_pipeline.rs:778:25 [INFO] [stdout] | [INFO] [stdout] 778 | spin_len = spin(spin_len); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:882:41 [INFO] [stdout] | [INFO] [stdout] 882 | fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/async_pipeline.rs:934:41 [INFO] [stdout] | [INFO] [stdout] 934 | fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/test.rs:631:13 [INFO] [stdout] | [INFO] [stdout] 631 | let mut file = match AsyncFile::open(rt_copy.clone(), [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 `Result` that must be used [INFO] [stdout] --> tests/test.rs:162:5 [INFO] [stdout] | [INFO] [stdout] 162 | / rt.spawn(async move { [INFO] [stdout] 163 | | assert_eq!(buffer.is_terminated(), false); [INFO] [stdout] 164 | | [INFO] [stdout] 165 | | if let Some(num) = buffer.get_i8().await { [INFO] [stdout] ... | [INFO] [stdout] 336 | | println!("Buffer stream closed"); [INFO] [stdout] 337 | | }); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 162 | let _ = rt.spawn(async move { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/test.rs:339:5 [INFO] [stdout] | [INFO] [stdout] 339 | / rt.spawn(async move { [INFO] [stdout] 340 | | let mut buf: Vec = Vec::new(); [INFO] [stdout] 341 | | buf.put_i8(-125); [INFO] [stdout] 342 | | buf.put_u8(0xff); [INFO] [stdout] ... | [INFO] [stdout] 603 | | println!("Sender closed"); [INFO] [stdout] 604 | | }); [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] 339 | let _ = rt.spawn(async move { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/test.rs:617:5 [INFO] [stdout] | [INFO] [stdout] 617 | / rt.spawn(async move { [INFO] [stdout] 618 | | let mut vec = Vec::new(); [INFO] [stdout] 619 | | while let Some(b) = buffer.get_u8().await { [INFO] [stdout] 620 | | println!("Bytes remaining: {}", buffer.remaining()); [INFO] [stdout] ... | [INFO] [stdout] 626 | | println!("Receive finish"); [INFO] [stdout] 627 | | }); [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] 617 | let _ = rt.spawn(async move { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/test.rs:629:5 [INFO] [stdout] | [INFO] [stdout] 629 | / rt.spawn(async move { [INFO] [stdout] 630 | | //打开测试用文件 [INFO] [stdout] 631 | | let mut file = match AsyncFile::open(rt_copy.clone(), [INFO] [stdout] 632 | | "./tests/test_file.txt".to_string(), [INFO] [stdout] ... | [INFO] [stdout] 694 | | println!("Sender closed"); [INFO] [stdout] 695 | | }); [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] 629 | let _ = rt.spawn(async move { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.16s [INFO] running `Command { std: "docker" "inspect" "029103f9c2a09cb01ffde1426ce5cd3e321515b2de41c978f4d2d2f889775ca6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "029103f9c2a09cb01ffde1426ce5cd3e321515b2de41c978f4d2d2f889775ca6", kill_on_drop: false }` [INFO] [stdout] 029103f9c2a09cb01ffde1426ce5cd3e321515b2de41c978f4d2d2f889775ca6