[INFO] fetching crate ryml 0.1.6...
[INFO] documenting ryml-0.1.6 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate ryml 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate ryml 0.1.6 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 ryml 0.1.6
[INFO] finished tweaking crates.io crate ryml 0.1.6
[INFO] tweaked toml for crates.io crate ryml 0.1.6 written to /workspace/builds/worker-1-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 auto-enum v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da2c4d263a820e15c392961c426507517eb56840adcb408f57c24a331bcc5ffa
[INFO] running `Command { std: "docker" "start" "-a" "da2c4d263a820e15c392961c426507517eb56840adcb408f57c24a331bcc5ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2c4d263a820e15c392961c426507517eb56840adcb408f57c24a331bcc5ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2c4d263a820e15c392961c426507517eb56840adcb408f57c24a331bcc5ffa", kill_on_drop: false }`
[INFO] [stdout] da2c4d263a820e15c392961c426507517eb56840adcb408f57c24a331bcc5ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 263f0869760adf92316fc9534d9080f87e731e543e0a9d64830e83b75b793b8c
[INFO] running `Command { std: "docker" "start" "-a" "263f0869760adf92316fc9534d9080f87e731e543e0a9d64830e83b75b793b8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scratch v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.94
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling link-cplusplus v1.0.8
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling cxx v1.0.94
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cxx-build v1.0.94
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.94
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]    Compiling ryml v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling auto-enum v0.1.2
[INFO] [stderr]  Documenting ryml v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![feature(core_ffi_c)]
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `val1,val2`
[INFO] [stdout]    --> src/inner.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | /     /// mark container with single-line flow format (seqs as '[val1,val2], maps
[INFO] [stdout] 184 | |     /// as '{key: val, key2: val2}')
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             mark container with single-line flow format (seqs as '[val1,val2], maps
[INFO] [stdout]                                                                    ^^^^^^^^^
[INFO] [stdout]     = note: no item named `val1,val2` in scope
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ryml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name ryml src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=778f15940710e773 -L dependency=/opt/rustwide/target/debug/deps --extern auto_enum=/opt/rustwide/target/debug/deps/libauto_enum-426499f666ffea57.so --extern cxx=/opt/rustwide/target/debug/deps/libcxx-9f3f8fd0d41fb64f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-5b9b606509dfb04a.rmeta --cap-lints=warn --crate-version 0.1.6` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "263f0869760adf92316fc9534d9080f87e731e543e0a9d64830e83b75b793b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263f0869760adf92316fc9534d9080f87e731e543e0a9d64830e83b75b793b8c", kill_on_drop: false }`
[INFO] [stdout] 263f0869760adf92316fc9534d9080f87e731e543e0a9d64830e83b75b793b8c
