[INFO] fetching crate fast_config 1.1.3...
[INFO] documenting fast_config-1.1.3 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate fast_config 1.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fast_config 1.1.3 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast_config 1.1.3
[INFO] finished tweaking crates.io crate fast_config 1.1.3
[INFO] tweaked toml for crates.io crate fast_config 1.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate fast_config 1.1.3 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-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.5.3
[INFO] [stderr]   Downloaded serde_spanned v0.6.0
[INFO] [stderr]   Downloaded pest_generator v2.5.3
[INFO] [stderr]   Downloaded toml_datetime v0.6.0
[INFO] [stderr]   Downloaded toml v0.7.0
[INFO] [stderr]   Downloaded pest_meta v2.5.3
[INFO] [stderr]   Downloaded toml_edit v0.19.0
[INFO] [stderr]   Downloaded rustix v0.36.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b3b72e4b9ac9e756d85cbdc4f3003a53ffa27be3592a831a16a9c6eb6193ad1
[INFO] running `Command { std: "docker" "start" "-a" "6b3b72e4b9ac9e756d85cbdc4f3003a53ffa27be3592a831a16a9c6eb6193ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b3b72e4b9ac9e756d85cbdc4f3003a53ffa27be3592a831a16a9c6eb6193ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b3b72e4b9ac9e756d85cbdc4f3003a53ffa27be3592a831a16a9c6eb6193ad1", kill_on_drop: false }`
[INFO] [stdout] 6b3b72e4b9ac9e756d85cbdc4f3003a53ffa27be3592a831a16a9c6eb6193ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114770d861527e381ac47b26adcd411c99a0d987715f764ff81b4020d8727f74
[INFO] running `Command { std: "docker" "start" "-a" "114770d861527e381ac47b26adcd411c99a0d987715f764ff81b4020d8727f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]  Documenting fast_config v1.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: You must install at least one format feature: `json5`, `toml`, or `yaml`
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | compile_error!("You must install at least one format feature: `json5`, `toml`, or `yaml`");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fast_config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name fast_config src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4e0b722b1caf2724 -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-3e075563a9423780.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-7dca168e61b1354f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-80d80e126c07ef3f.rmeta --cap-lints=warn --crate-version 1.1.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "114770d861527e381ac47b26adcd411c99a0d987715f764ff81b4020d8727f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114770d861527e381ac47b26adcd411c99a0d987715f764ff81b4020d8727f74", kill_on_drop: false }`
[INFO] [stdout] 114770d861527e381ac47b26adcd411c99a0d987715f764ff81b4020d8727f74
