[INFO] fetching crate fsdr-blocks 0.1.0...
[INFO] documenting fsdr-blocks-0.1.0 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate fsdr-blocks 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fsdr-blocks 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d2c50e9f5ce217fb7006d91fa7529e1645126a74031446da408a68e0be65fdc
[INFO] running `Command { std: "docker" "start" "-a" "3d2c50e9f5ce217fb7006d91fa7529e1645126a74031446da408a68e0be65fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2c50e9f5ce217fb7006d91fa7529e1645126a74031446da408a68e0be65fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2c50e9f5ce217fb7006d91fa7529e1645126a74031446da408a68e0be65fdc", kill_on_drop: false }`
[INFO] [stdout] 3d2c50e9f5ce217fb7006d91fa7529e1645126a74031446da408a68e0be65fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1b71226763d0f9aea3410e362603e11d1b534466848611b9766ad829a5e7cea
[INFO] running `Command { std: "docker" "start" "-a" "c1b71226763d0f9aea3410e362603e11d1b534466848611b9766ad829a5e7cea", kill_on_drop: false }`
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[INFO] [stderr]  Documenting fsdr-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fsdr_blocks/index.html
[INFO] running `Command { std: "docker" "inspect" "c1b71226763d0f9aea3410e362603e11d1b534466848611b9766ad829a5e7cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b71226763d0f9aea3410e362603e11d1b534466848611b9766ad829a5e7cea", kill_on_drop: false }`
[INFO] [stdout] c1b71226763d0f9aea3410e362603e11d1b534466848611b9766ad829a5e7cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c923ad60dfbf2719878c187dcbdbc0d19b430e7dd8ddfa07bc5b697f497633
[INFO] running `Command { std: "docker" "start" "-a" "59c923ad60dfbf2719878c187dcbdbc0d19b430e7dd8ddfa07bc5b697f497633", kill_on_drop: false }`
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[INFO] [stderr]  Documenting fsdr-blocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.33s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/fsdr_blocks/index.html
[INFO] running `Command { std: "docker" "inspect" "59c923ad60dfbf2719878c187dcbdbc0d19b430e7dd8ddfa07bc5b697f497633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c923ad60dfbf2719878c187dcbdbc0d19b430e7dd8ddfa07bc5b697f497633", kill_on_drop: false }`
[INFO] [stdout] 59c923ad60dfbf2719878c187dcbdbc0d19b430e7dd8ddfa07bc5b697f497633
[INFO] documenting fsdr-blocks-0.1.0 against beta-2024-01-11 for beta-1.76-rustdoc-2
[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-2024-01-11
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-01-11" "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-2024-01-11" "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-2024-01-11" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-11" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10eb4b6dcee3579dcd9996abc0c24f323f43ff05e4204ca1fdd74ee5db46d495
[INFO] running `Command { std: "docker" "start" "-a" "10eb4b6dcee3579dcd9996abc0c24f323f43ff05e4204ca1fdd74ee5db46d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10eb4b6dcee3579dcd9996abc0c24f323f43ff05e4204ca1fdd74ee5db46d495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eb4b6dcee3579dcd9996abc0c24f323f43ff05e4204ca1fdd74ee5db46d495", kill_on_drop: false }`
[INFO] [stdout] 10eb4b6dcee3579dcd9996abc0c24f323f43ff05e4204ca1fdd74ee5db46d495
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-01-11" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79030b78a30981d16ee26f77cfa73e3592ea87db6f4c3cf84741a1e345d79ede
[INFO] running `Command { std: "docker" "start" "-a" "79030b78a30981d16ee26f77cfa73e3592ea87db6f4c3cf84741a1e345d79ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.152
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[INFO] [stderr]     Checking rand v0.8.5
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[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling rustfft v6.1.0
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[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
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[INFO] [stderr]     Checking minimal-lexical v0.2.1
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[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling anyhow v1.0.79
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[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking transpose v0.2.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]    Compiling futuresdr v0.0.37
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking core_affinity v0.8.1
[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] [stderr]     Checking dirs v5.0.1
[INFO] [stderr] error: could not compile `futuredsp` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79030b78a30981d16ee26f77cfa73e3592ea87db6f4c3cf84741a1e345d79ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79030b78a30981d16ee26f77cfa73e3592ea87db6f4c3cf84741a1e345d79ede", kill_on_drop: false }`
[INFO] [stdout] 79030b78a30981d16ee26f77cfa73e3592ea87db6f4c3cf84741a1e345d79ede