[INFO] fetching crate fsdr-blocks 0.1.0...
[INFO] documenting fsdr-blocks-0.1.0 against beta-2023-07-23 for beta-1.72-rustdoc-1
[INFO] extracting crate fsdr-blocks 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fsdr-blocks 0.1.0 on toolchain beta-2023-07-23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-07-23" "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-2023-07-23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b310883cc3dd8ef6a40db1800dd81c0418e660119e8928211b6b5331c69ee51b
[INFO] running `Command { std: "docker" "start" "-a" "b310883cc3dd8ef6a40db1800dd81c0418e660119e8928211b6b5331c69ee51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b310883cc3dd8ef6a40db1800dd81c0418e660119e8928211b6b5331c69ee51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b310883cc3dd8ef6a40db1800dd81c0418e660119e8928211b6b5331c69ee51b", kill_on_drop: false }`
[INFO] [stdout] b310883cc3dd8ef6a40db1800dd81c0418e660119e8928211b6b5331c69ee51b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-07-23" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3670b2772ca9ccd56d165091b0cd553fffdac7486e0b146c0da9d34b83484020
[INFO] running `Command { std: "docker" "start" "-a" "3670b2772ca9ccd56d165091b0cd553fffdac7486e0b146c0da9d34b83484020", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking parking v2.1.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking async-lock v2.7.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]     Checking async-task v4.4.0
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling pest v2.7.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking atomic-waker v1.1.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking blocking v1.3.1
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]    Compiling pest_meta v2.7.1
[INFO] [stderr]    Compiling axum v0.6.19
[INFO] [stderr]    Compiling futuredsp v0.0.6
[INFO] [stderr]    Compiling rustfft v6.1.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking pin-project v1.1.2
[INFO] [stderr]    Compiling pest_generator v2.7.1
[INFO] [stderr]     Checking ron v0.7.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking tungstenite v0.19.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futuresdr v0.0.35
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]     Checking dyn-clone v1.0.12
[INFO] [stderr]     Checking http-range-header v0.3.1
[INFO] [stderr]     Checking futuresdr-types v0.0.9
[INFO] [stderr]     Checking tower-http v0.4.3
[INFO] [stderr]     Checking core_affinity v0.8.0
[INFO] [stderr]    Compiling futuresdr-macros v0.0.4
[INFO] [stderr]     Checking vmcircbuffer v0.0.9
[INFO] [stderr]    Compiling pest_derive v2.7.1
[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" "3670b2772ca9ccd56d165091b0cd553fffdac7486e0b146c0da9d34b83484020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3670b2772ca9ccd56d165091b0cd553fffdac7486e0b146c0da9d34b83484020", kill_on_drop: false }`
[INFO] [stdout] 3670b2772ca9ccd56d165091b0cd553fffdac7486e0b146c0da9d34b83484020