[INFO] fetching crate serde-ndim 2.1.0...
[INFO] documenting serde-ndim-2.1.0 against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] extracting crate serde-ndim 2.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate serde-ndim 2.1.0
[INFO] finished tweaking crates.io crate serde-ndim 2.1.0
[INFO] tweaked toml for crates.io crate serde-ndim 2.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-ndim 2.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde-ndim 2.1.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 116c7a9d81d9d5b5f71ce2aa1b7c4ab6db60eed509fc0b86ca23bb1adea43a63
[INFO] running `Command { std: "docker" "start" "-a" "116c7a9d81d9d5b5f71ce2aa1b7c4ab6db60eed509fc0b86ca23bb1adea43a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "116c7a9d81d9d5b5f71ce2aa1b7c4ab6db60eed509fc0b86ca23bb1adea43a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116c7a9d81d9d5b5f71ce2aa1b7c4ab6db60eed509fc0b86ca23bb1adea43a63", kill_on_drop: false }`
[INFO] [stdout] 116c7a9d81d9d5b5f71ce2aa1b7c4ab6db60eed509fc0b86ca23bb1adea43a63
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a463e7e3f1055502eaeaf563b4a0cf56a277c7c1bc8eae3210a21ea9f900ad5b
[INFO] running `Command { std: "docker" "start" "-a" "a463e7e3f1055502eaeaf563b4a0cf56a277c7c1bc8eae3210a21ea9f900ad5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]  Documenting serde-ndim v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/serde_ndim/index.html
[INFO] running `Command { std: "docker" "inspect" "a463e7e3f1055502eaeaf563b4a0cf56a277c7c1bc8eae3210a21ea9f900ad5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a463e7e3f1055502eaeaf563b4a0cf56a277c7c1bc8eae3210a21ea9f900ad5b", kill_on_drop: false }`
[INFO] [stdout] a463e7e3f1055502eaeaf563b4a0cf56a277c7c1bc8eae3210a21ea9f900ad5b
[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" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "docs_rs" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 984853a7e7732c9cec67fd0f5942625bbfbf3a2b18974050b8fde5d1a6b38a0a
[INFO] running `Command { std: "docker" "start" "-a" "984853a7e7732c9cec67fd0f5942625bbfbf3a2b18974050b8fde5d1a6b38a0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking simba v0.9.0
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking nalgebra v0.34.0
[INFO] [stderr]  Documenting serde-ndim v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "docs_rs", feature(doc_auto_cfg))]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.92.0; see <https://github.com/rust-lang/rust/pull/138907> for more information
[INFO] [stdout]   = note: merged into `doc_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `serde-ndim`
[INFO] running `Command { std: "docker" "inspect" "984853a7e7732c9cec67fd0f5942625bbfbf3a2b18974050b8fde5d1a6b38a0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984853a7e7732c9cec67fd0f5942625bbfbf3a2b18974050b8fde5d1a6b38a0a", kill_on_drop: false }`
[INFO] [stdout] 984853a7e7732c9cec67fd0f5942625bbfbf3a2b18974050b8fde5d1a6b38a0a