[INFO] fetching crate fsdr-blocks 0.1.0...
[INFO] testing fsdr-blocks-0.1.0 against beta-2023-10-04 for beta-1.74-1
[INFO] extracting crate fsdr-blocks 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate fsdr-blocks 0.1.0 on toolchain beta-2023-10-04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fsdr-blocks 0.1.0
[INFO] finished tweaking crates.io crate fsdr-blocks 0.1.0
[INFO] tweaked toml for crates.io crate fsdr-blocks 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "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" "+beta-2023-10-04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e085fe8c0d049621b73b9b07b7a295b50fe9f594e04b955ea457372deec9d662
[INFO] running `Command { std: "docker" "start" "-a" "e085fe8c0d049621b73b9b07b7a295b50fe9f594e04b955ea457372deec9d662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e085fe8c0d049621b73b9b07b7a295b50fe9f594e04b955ea457372deec9d662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e085fe8c0d049621b73b9b07b7a295b50fe9f594e04b955ea457372deec9d662", kill_on_drop: false }`
[INFO] [stdout] e085fe8c0d049621b73b9b07b7a295b50fe9f594e04b955ea457372deec9d662
[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1049ac73cbe8cecfccc5e053e15c584bed32bb0f6e7283136b95139c2821a1
[INFO] running `Command { std: "docker" "start" "-a" "ee1049ac73cbe8cecfccc5e053e15c584bed32bb0f6e7283136b95139c2821a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling parking v2.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.4.1
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rustix v0.37.24
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling dlv-list v0.3.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling blocking v1.4.1
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling ordered-multimap v0.4.3
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling futuredsp v0.0.6
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling strength_reduce v0.2.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling transpose v0.2.2
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling rust-ini v0.18.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling primal-check v0.3.3
[INFO] [stderr]    Compiling pest v2.7.4
[INFO] [stderr]    Compiling tungstenite v0.19.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futuresdr v0.0.36
[INFO] [stderr]    Compiling serde_path_to_error v0.1.14
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling dyn-clone v1.0.14
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling matchit v0.7.3
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling futuresdr-types v0.0.9
[INFO] [stderr]    Compiling futuresdr-macros v0.0.5
[INFO] [stderr]    Compiling core_affinity v0.8.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling async-executor v1.5.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futuredsp-0.0.6/src/lib.rs:2:43
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(not(RUSTC_IS_STABLE), feature(core_intrinsics))]
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futuredsp` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ee1049ac73cbe8cecfccc5e053e15c584bed32bb0f6e7283136b95139c2821a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1049ac73cbe8cecfccc5e053e15c584bed32bb0f6e7283136b95139c2821a1", kill_on_drop: false }`
[INFO] [stdout] ee1049ac73cbe8cecfccc5e053e15c584bed32bb0f6e7283136b95139c2821a1