[INFO] fetching crate rustdx 0.4.2...
[INFO] documenting rustdx-0.4.2 against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] extracting crate rustdx 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rustdx 0.4.2
[INFO] finished tweaking crates.io crate rustdx 0.4.2
[INFO] tweaked toml for crates.io crate rustdx 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustdx 0.4.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4ca7fdb3f26f38952b3b02d86b56e5657719fd2fac53a0a04382e92201cf53b6
[INFO] running `Command { std: "docker" "start" "-a" "4ca7fdb3f26f38952b3b02d86b56e5657719fd2fac53a0a04382e92201cf53b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca7fdb3f26f38952b3b02d86b56e5657719fd2fac53a0a04382e92201cf53b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca7fdb3f26f38952b3b02d86b56e5657719fd2fac53a0a04382e92201cf53b6", kill_on_drop: false }`
[INFO] [stdout] 4ca7fdb3f26f38952b3b02d86b56e5657719fd2fac53a0a04382e92201cf53b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d4e5b454dd4910a4eb1542364e22af12c99bddc7e4e54e752749bc1822da0cb4
[INFO] running `Command { std: "docker" "start" "-a" "d4e5b454dd4910a4eb1542364e22af12c99bddc7e4e54e752749bc1822da0cb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]  Documenting rustdx v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.20s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rustdx/index.html
[INFO] running `Command { std: "docker" "inspect" "d4e5b454dd4910a4eb1542364e22af12c99bddc7e4e54e752749bc1822da0cb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e5b454dd4910a4eb1542364e22af12c99bddc7e4e54e752749bc1822da0cb4", kill_on_drop: false }`
[INFO] [stdout] d4e5b454dd4910a4eb1542364e22af12c99bddc7e4e54e752749bc1822da0cb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c6fe4bd92c80434b5cc8093bfcf67d19a8707d0448d0abd060e4f3f9b9eaa3c
[INFO] running `Command { std: "docker" "start" "-a" "6c6fe4bd92c80434b5cc8093bfcf67d19a8707d0448d0abd060e4f3f9b9eaa3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]  Documenting rustdx v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "docsrs", 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 `rustdx`
[INFO] running `Command { std: "docker" "inspect" "6c6fe4bd92c80434b5cc8093bfcf67d19a8707d0448d0abd060e4f3f9b9eaa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6fe4bd92c80434b5cc8093bfcf67d19a8707d0448d0abd060e4f3f9b9eaa3c", kill_on_drop: false }`
[INFO] [stdout] 6c6fe4bd92c80434b5cc8093bfcf67d19a8707d0448d0abd060e4f3f9b9eaa3c