[INFO] cloning repository https://github.com/yifaaan/async-oneshot-channel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yifaaan/async-oneshot-channel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fasync-oneshot-channel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fasync-oneshot-channel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8a1e259f08c716e35eb2a655c7d49982555dfcb [INFO] checking yifaaan/async-oneshot-channel against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyifaaan%2Fasync-oneshot-channel" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yifaaan/async-oneshot-channel [INFO] finished tweaking git repo https://github.com/yifaaan/async-oneshot-channel [INFO] tweaked toml for git repo https://github.com/yifaaan/async-oneshot-channel written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yifaaan/async-oneshot-channel on toolchain ca77504943887037504c7fc0b9bf06dab3910373 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yifaaan/async-oneshot-channel 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 590273c50d39fd2858a2a68b667869fd6e757edce385a93ffffa6f40606e85b6 [INFO] running `Command { std: "docker" "start" "-a" "590273c50d39fd2858a2a68b667869fd6e757edce385a93ffffa6f40606e85b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "590273c50d39fd2858a2a68b667869fd6e757edce385a93ffffa6f40606e85b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "590273c50d39fd2858a2a68b667869fd6e757edce385a93ffffa6f40606e85b6", kill_on_drop: false }` [INFO] [stdout] 590273c50d39fd2858a2a68b667869fd6e757edce385a93ffffa6f40606e85b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ba6f9f243db16df7af9782cf9e24779ecdc2049fc250a0fe5c369d96b014cd9 [INFO] running `Command { std: "docker" "start" "-a" "5ba6f9f243db16df7af9782cf9e24779ecdc2049fc250a0fe5c369d96b014cd9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.167 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bytes v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Checking socket2 v0.5.8 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Checking tokio v1.42.0 [INFO] [stderr] Checking async-oneshot-channel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/lib.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | Arc, Mutex, Once, OnceLock, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/lib.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | Arc, Mutex, Once, OnceLock, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send` is never used [INFO] [stdout] --> src/lib.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 58 | impl Sender { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 59 | fn send(&self, value: T) -> Result<(), T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `chan` is never read [INFO] [stdout] --> src/lib.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct Receiver { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 65 | chan: Arc>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `recv` is never used [INFO] [stdout] --> src/lib.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl Receiver { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] 69 | fn recv(&self) -> ReceiveFuture { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send` is never used [INFO] [stdout] --> src/lib.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 76 | impl OneshotChan { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | fn send(&self, value: T) -> Result<(), T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.91s [INFO] running `Command { std: "docker" "inspect" "5ba6f9f243db16df7af9782cf9e24779ecdc2049fc250a0fe5c369d96b014cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ba6f9f243db16df7af9782cf9e24779ecdc2049fc250a0fe5c369d96b014cd9", kill_on_drop: false }` [INFO] [stdout] 5ba6f9f243db16df7af9782cf9e24779ecdc2049fc250a0fe5c369d96b014cd9