[INFO] fetching crate procmd 0.1.0...
[INFO] documenting procmd-0.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate procmd 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate procmd 0.1.0 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 procmd 0.1.0
[INFO] finished tweaking crates.io crate procmd 0.1.0
[INFO] tweaked toml for crates.io crate procmd 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate procmd 0.1.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec1 v1.6.0
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded procmd_macro v0.1.0
[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] 160fb286baf898e0b70c5f37df6cb9c091238c3479900e27989a3e63bde0e82f
[INFO] running `Command { std: "docker" "start" "-a" "160fb286baf898e0b70c5f37df6cb9c091238c3479900e27989a3e63bde0e82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "160fb286baf898e0b70c5f37df6cb9c091238c3479900e27989a3e63bde0e82f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160fb286baf898e0b70c5f37df6cb9c091238c3479900e27989a3e63bde0e82f", kill_on_drop: false }`
[INFO] [stdout] 160fb286baf898e0b70c5f37df6cb9c091238c3479900e27989a3e63bde0e82f
[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] ae2a533c844168f0168f1644e3f8bd306a573cb32e2450dce0a14b998dd8ee4a
[INFO] running `Command { std: "docker" "start" "-a" "ae2a533c844168f0168f1644e3f8bd306a573cb32e2450dce0a14b998dd8ee4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling vec1 v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling procmd_macro v0.1.0
[INFO] [stderr]  Documenting procmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(min_const_generics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `min_const_generics` has been stable since `1.51.0` and no longer requires an attribute to enable
[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 `procmd`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name procmd src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=892554ad6fc32c09 -L dependency=/opt/rustwide/target/debug/deps --extern procmd_macro=/opt/rustwide/target/debug/deps/libprocmd_macro-bd8fa4f928ce14cb.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ae2a533c844168f0168f1644e3f8bd306a573cb32e2450dce0a14b998dd8ee4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2a533c844168f0168f1644e3f8bd306a573cb32e2450dce0a14b998dd8ee4a", kill_on_drop: false }`
[INFO] [stdout] ae2a533c844168f0168f1644e3f8bd306a573cb32e2450dce0a14b998dd8ee4a
