[INFO] fetching crate flipper-rpc 0.9.4...
[INFO] documenting flipper-rpc-0.9.4 against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] extracting crate flipper-rpc 0.9.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate flipper-rpc 0.9.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate flipper-rpc 0.9.4
[INFO] tweaked toml for crates.io crate flipper-rpc 0.9.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flipper-rpc 0.9.4 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 flipper-rpc 0.9.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec63e9b65fb31840fefb968d1b91e3e352555984916f0d58ece41f9120567628
[INFO] running `Command { std: "docker" "start" "-a" "ec63e9b65fb31840fefb968d1b91e3e352555984916f0d58ece41f9120567628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec63e9b65fb31840fefb968d1b91e3e352555984916f0d58ece41f9120567628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec63e9b65fb31840fefb968d1b91e3e352555984916f0d58ece41f9120567628", kill_on_drop: false }`
[INFO] [stdout] ec63e9b65fb31840fefb968d1b91e3e352555984916f0d58ece41f9120567628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d7c677254827ad7ce094446a1d3b9d7c344b38c978e688dd1b0eb2e57ec304cf
[INFO] running `Command { std: "docker" "start" "-a" "d7c677254827ad7ce094446a1d3b9d7c344b38c978e688dd1b0eb2e57ec304cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]     Checking prost v0.14.1
[INFO] [stderr]  Documenting flipper-rpc v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flipper_rpc/index.html
[INFO] running `Command { std: "docker" "inspect" "d7c677254827ad7ce094446a1d3b9d7c344b38c978e688dd1b0eb2e57ec304cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c677254827ad7ce094446a1d3b9d7c344b38c978e688dd1b0eb2e57ec304cf", kill_on_drop: false }`
[INFO] [stdout] d7c677254827ad7ce094446a1d3b9d7c344b38c978e688dd1b0eb2e57ec304cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "document-features" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf718f86d629a93ce8c97c4b510b699ef9adc9f569b3a955555fbffcaaa524b2
[INFO] running `Command { std: "docker" "start" "-a" "bf718f86d629a93ce8c97c4b510b699ef9adc9f569b3a955555fbffcaaa524b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking md5 v0.8.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking unescaper v0.1.6
[INFO] [stderr]     Checking serialport v4.7.2
[INFO] [stderr]     Checking prost v0.14.1
[INFO] [stderr]  Documenting flipper-rpc v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 |     feature(doc_cfg, 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 `flipper-rpc`
[INFO] running `Command { std: "docker" "inspect" "bf718f86d629a93ce8c97c4b510b699ef9adc9f569b3a955555fbffcaaa524b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf718f86d629a93ce8c97c4b510b699ef9adc9f569b3a955555fbffcaaa524b2", kill_on_drop: false }`
[INFO] [stdout] bf718f86d629a93ce8c97c4b510b699ef9adc9f569b3a955555fbffcaaa524b2