[INFO] fetching crate oni-comb-parser-rs 0.0.5...
[INFO] documenting oni-comb-parser-rs-0.0.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate oni-comb-parser-rs 0.0.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate oni-comb-parser-rs 0.0.5 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 oni-comb-parser-rs 0.0.5
[INFO] finished tweaking crates.io crate oni-comb-parser-rs 0.0.5
[INFO] tweaked toml for crates.io crate oni-comb-parser-rs 0.0.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate oni-comb-parser-rs 0.0.5 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] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prop-check-rs v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 416e9e19dc1e045bc9dbaad37fbd5457fb3aa2489acfed9599d35a5c3388670e
[INFO] running `Command { std: "docker" "start" "-a" "416e9e19dc1e045bc9dbaad37fbd5457fb3aa2489acfed9599d35a5c3388670e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "416e9e19dc1e045bc9dbaad37fbd5457fb3aa2489acfed9599d35a5c3388670e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416e9e19dc1e045bc9dbaad37fbd5457fb3aa2489acfed9599d35a5c3388670e", kill_on_drop: false }`
[INFO] [stdout] 416e9e19dc1e045bc9dbaad37fbd5457fb3aa2489acfed9599d35a5c3388670e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e34c1e61ab78c024098034e73f8c244481f7b57e286c9c994a71c8d028e69571
[INFO] running `Command { std: "docker" "start" "-a" "e34c1e61ab78c024098034e73f8c244481f7b57e286c9c994a71c8d028e69571", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting oni-comb-parser-rs v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_associated_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `oni-comb-parser-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name oni_comb_parser_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fb7d22eb84cbff1f -L dependency=/opt/rustwide/target/debug/deps --extern log=/opt/rustwide/target/debug/deps/liblog-9bc12257f57dd5ae.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --cap-lints=warn --crate-version 0.0.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e34c1e61ab78c024098034e73f8c244481f7b57e286c9c994a71c8d028e69571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34c1e61ab78c024098034e73f8c244481f7b57e286c9c994a71c8d028e69571", kill_on_drop: false }`
[INFO] [stdout] e34c1e61ab78c024098034e73f8c244481f7b57e286c9c994a71c8d028e69571