[INFO] fetching crate sendstream_parser 0.2.2...
[INFO] documenting sendstream_parser-0.2.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate sendstream_parser 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate sendstream_parser 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 sendstream_parser 0.2.2
[INFO] finished tweaking crates.io crate sendstream_parser 0.2.2
[INFO] tweaked toml for crates.io crate sendstream_parser 0.2.2 written to /workspace/builds/worker-2-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] de14dfc4b6019772bdbd2c1fab87a2d8c1ac166ab8ad81d0215865af6f5b5671
[INFO] running `Command { std: "docker" "start" "-a" "de14dfc4b6019772bdbd2c1fab87a2d8c1ac166ab8ad81d0215865af6f5b5671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de14dfc4b6019772bdbd2c1fab87a2d8c1ac166ab8ad81d0215865af6f5b5671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de14dfc4b6019772bdbd2c1fab87a2d8c1ac166ab8ad81d0215865af6f5b5671", kill_on_drop: false }`
[INFO] [stdout] de14dfc4b6019772bdbd2c1fab87a2d8c1ac166ab8ad81d0215865af6f5b5671
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ebbfe0a03c194ede4290602a9149d2d9222b9bd7054a45b2c65f03a00b32d17f
[INFO] running `Command { std: "docker" "start" "-a" "ebbfe0a03c194ede4290602a9149d2d9222b9bd7054a45b2c65f03a00b32d17f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking uuid v1.3.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting sendstream_parser 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:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(macro_metavar_expr)]
[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 `sendstream_parser`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sendstream_parser src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="serde"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5f8ed65d02effba9 -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-0622ec7d12a996b6.so --extern hex=/opt/rustwide/target/debug/deps/libhex-7658a505e7fe0549.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-01b5b07ab61fa4b9.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-ea0c56b64d31b3e5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7f5aa0c9c57e86c5.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b839f3f80c6bc09b.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-79fcc30e2fb2bcca.rmeta --cap-lints=warn --crate-version 0.2.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ebbfe0a03c194ede4290602a9149d2d9222b9bd7054a45b2c65f03a00b32d17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbfe0a03c194ede4290602a9149d2d9222b9bd7054a45b2c65f03a00b32d17f", kill_on_drop: false }`
[INFO] [stdout] ebbfe0a03c194ede4290602a9149d2d9222b9bd7054a45b2c65f03a00b32d17f
