[INFO] fetching crate futures-concurrency 7.6.3... [INFO] testing futures-concurrency-7.6.3 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate futures-concurrency 7.6.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate futures-concurrency 7.6.3 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate futures-concurrency 7.6.3 [INFO] tweaked toml for crates.io crate futures-concurrency 7.6.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate futures-concurrency 7.6.3 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate futures-concurrency 7.6.3 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e109683a44c8bd9e85424c5755c1dc11e0308fda16c5e71380d0d14c9e4de41 [INFO] running `Command { std: "docker" "start" "-a" "5e109683a44c8bd9e85424c5755c1dc11e0308fda16c5e71380d0d14c9e4de41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e109683a44c8bd9e85424c5755c1dc11e0308fda16c5e71380d0d14c9e4de41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e109683a44c8bd9e85424c5755c1dc11e0308fda16c5e71380d0d14c9e4de41", kill_on_drop: false }` [INFO] [stdout] 5e109683a44c8bd9e85424c5755c1dc11e0308fda16c5e71380d0d14c9e4de41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 69e350046edebb8f25dbad0634b9806476fb83b8aeda097a91ed129fb4750575 [INFO] running `Command { std: "docker" "start" "-a" "69e350046edebb8f25dbad0634b9806476fb83b8aeda097a91ed129fb4750575", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling futures-io v0.3.30 [INFO] [stderr] Compiling cordyceps v0.3.2 [INFO] [stderr] Compiling diatomic-waker v0.2.3 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling fixedbitset v0.5.7 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling futures-lite v2.6.0 [INFO] [stderr] Compiling futures-buffered v0.2.9 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling syn v2.0.28 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling futures-concurrency v7.6.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/concurrent_stream/from_stream.rs:31:29 [INFO] [stdout] | [INFO] [stdout] 31 | async fn drive(self, mut consumer: C) -> C::Output [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.37s [INFO] running `Command { std: "docker" "inspect" "69e350046edebb8f25dbad0634b9806476fb83b8aeda097a91ed129fb4750575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69e350046edebb8f25dbad0634b9806476fb83b8aeda097a91ed129fb4750575", kill_on_drop: false }` [INFO] [stdout] 69e350046edebb8f25dbad0634b9806476fb83b8aeda097a91ed129fb4750575 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d7f1b8fc61c00af7246ebf78c2af2a4bdaa60d8a5a7eb8cde7dae8f554c768d [INFO] running `Command { std: "docker" "start" "-a" "4d7f1b8fc61c00af7246ebf78c2af2a4bdaa60d8a5a7eb8cde7dae8f554c768d", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling serde v1.0.181 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling value-bag v1.4.1 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling serde_derive v1.0.181 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.23 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling futures-task v0.3.30 [INFO] [stderr] Compiling futures-lite v2.6.0 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling atomic-waker v1.1.1 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Compiling async-task v4.4.0 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling half v2.4.1 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling plotters-svg v0.3.5 [INFO] [stderr] Compiling clap_builder v4.5.27 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-lite v1.13.0 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling concurrent-queue v2.2.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling async-lock v2.7.0 [INFO] [stderr] Compiling futures-buffered v0.2.9 [INFO] [stderr] Compiling walkdir v2.3.3 [INFO] [stderr] Compiling event-listener v4.0.3 [INFO] [stderr] Compiling event-listener v5.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling event-listener-strategy v0.4.0 [INFO] [stderr] Compiling async-executor v1.11.0 [INFO] [stderr] Compiling async-lock v3.3.0 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.3 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling async-channel v2.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stdout] error[E0432]: unresolved import `concurrent_queue::ForcePushError` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-channel-2.3.0/src/lib.rs:50:41 [INFO] [stdout] | [INFO] [stdout] 50 | use concurrent_queue::{ConcurrentQueue, ForcePushError, PopError, PushError}; [INFO] [stdout] | ^^^^^^^^^^^^^^ no `ForcePushError` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stdout] error[E0599]: no method named `force_push` found for struct `ConcurrentQueue` in the current scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-channel-2.3.0/src/lib.rs:313:34 [INFO] [stdout] | [INFO] [stdout] 313 | match self.channel.queue.force_push(msg) { [INFO] [stdout] | ^^^^^^^^^^ method not found in `ConcurrentQueue` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.3.4 [INFO] [stdout] Some errors have detailed explanations: E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-channel` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4d7f1b8fc61c00af7246ebf78c2af2a4bdaa60d8a5a7eb8cde7dae8f554c768d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d7f1b8fc61c00af7246ebf78c2af2a4bdaa60d8a5a7eb8cde7dae8f554c768d", kill_on_drop: false }` [INFO] [stdout] 4d7f1b8fc61c00af7246ebf78c2af2a4bdaa60d8a5a7eb8cde7dae8f554c768d