[INFO] fetching crate hstreamdb 0.2.2...
[INFO] documenting hstreamdb-0.2.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate hstreamdb 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate hstreamdb 0.2.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hstreamdb 0.2.2
[INFO] finished tweaking crates.io crate hstreamdb 0.2.2
[INFO] tweaked toml for crates.io crate hstreamdb 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hstreamdb-pb v0.2.1
[INFO] [stderr]   Downloaded tonic v0.8.3
[INFO] [stderr]   Downloaded tonic-build v0.8.4
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0efa4e23ed5c93206e924ed992a4ba54a20c9a40beedf5125e6585f1e78993
[INFO] running `Command { std: "docker" "start" "-a" "3b0efa4e23ed5c93206e924ed992a4ba54a20c9a40beedf5125e6585f1e78993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0efa4e23ed5c93206e924ed992a4ba54a20c9a40beedf5125e6585f1e78993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0efa4e23ed5c93206e924ed992a4ba54a20c9a40beedf5125e6585f1e78993", kill_on_drop: false }`
[INFO] [stdout] 3b0efa4e23ed5c93206e924ed992a4ba54a20c9a40beedf5125e6585f1e78993
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fafb554b9b518a3ad2e62fdaf88bf516662bd4292d5b89d3d6df06d6451888a7
[INFO] running `Command { std: "docker" "start" "-a" "fafb554b9b518a3ad2e62fdaf88bf516662bd4292d5b89d3d6df06d6451888a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling axum v0.6.18
[INFO] [stderr]    Compiling zstd-safe v6.0.5+zstd.1.5.4
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking matchit v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking md-5 v0.10.5
[INFO] [stderr]    Compiling tempfile v3.5.0
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.24
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking zstd v0.12.3+zstd.1.5.2
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-build v0.8.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]    Compiling hstreamdb-pb v0.2.1
[INFO] [stderr]     Checking h2 v0.3.18
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.8.3
[INFO] [stderr]  Documenting hstreamdb v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(default_free_fn)]
[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 document `hstreamdb`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name hstreamdb src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=72572e2ac85abef7 -L dependency=/opt/rustwide/target/debug/deps --extern flate2=/opt/rustwide/target/debug/deps/libflate2-6bba57487e6a3618.rmeta --extern hstreamdb_pb=/opt/rustwide/target/debug/deps/libhstreamdb_pb-64358243fbf1e0c8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-83c76fb4ff61e17e.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-d19eb5923f460a38.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-b4c84ec8b4fba573.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-2b8a33666dc3ba8e.rmeta --extern prost=/opt/rustwide/target/debug/deps/libprost-658e2fbeb98cbda8.rmeta --extern prost_types=/opt/rustwide/target/debug/deps/libprost_types-b643d389d55a6789.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-528ec44557b7876a.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-2d08ac25950d7005.rmeta --extern tokio_stream=/opt/rustwide/target/debug/deps/libtokio_stream-bd84f04bcad23a7e.rmeta --extern tonic=/opt/rustwide/target/debug/deps/libtonic-3cbcb8a770ea138c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-6e5df2884b0d3805.rmeta --extern zstd=/opt/rustwide/target/debug/deps/libzstd-605fcde59d8c39f6.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fafb554b9b518a3ad2e62fdaf88bf516662bd4292d5b89d3d6df06d6451888a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafb554b9b518a3ad2e62fdaf88bf516662bd4292d5b89d3d6df06d6451888a7", kill_on_drop: false }`
[INFO] [stdout] fafb554b9b518a3ad2e62fdaf88bf516662bd4292d5b89d3d6df06d6451888a7
