[INFO] fetching crate pinned-init 0.0.0...
[INFO] documenting pinned-init-0.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pinned-init 0.0.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate pinned-init 0.0.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pinned-init 0.0.0
[INFO] finished tweaking crates.io crate pinned-init 0.0.0
[INFO] tweaked toml for crates.io crate pinned-init 0.0.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate pinned-init 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded pinned-init-macro v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e945235f30640c2b7df58d1208cbd700629d7156af193b81f0d99637db4db7
[INFO] running `Command { std: "docker" "start" "-a" "08e945235f30640c2b7df58d1208cbd700629d7156af193b81f0d99637db4db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e945235f30640c2b7df58d1208cbd700629d7156af193b81f0d99637db4db7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e945235f30640c2b7df58d1208cbd700629d7156af193b81f0d99637db4db7", kill_on_drop: false }`
[INFO] [stdout] 08e945235f30640c2b7df58d1208cbd700629d7156af193b81f0d99637db4db7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba706c431e52ba6632c3407837ab26852605db78327b35de88629bc4d298f1c2
[INFO] running `Command { std: "docker" "start" "-a" "ba706c431e52ba6632c3407837ab26852605db78327b35de88629bc4d298f1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling pinned-init-macro v0.0.0
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]  Documenting pinned-init v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:481:1
[INFO] [stdout]     |
[INFO] [stdout] 481 | #![feature(generic_associated_types)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pinned-init`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name pinned_init src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1b81582035df360f -L dependency=/opt/rustwide/target/debug/deps --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-a1ce2c47206bbfc2.rmeta --extern pinned_init_macro=/opt/rustwide/target/debug/deps/libpinned_init_macro-31720f6a8b496e9c.so --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ba706c431e52ba6632c3407837ab26852605db78327b35de88629bc4d298f1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba706c431e52ba6632c3407837ab26852605db78327b35de88629bc4d298f1c2", kill_on_drop: false }`
[INFO] [stdout] ba706c431e52ba6632c3407837ab26852605db78327b35de88629bc4d298f1c2