[INFO] fetching crate ambiq-hal 0.2.0...
[INFO] documenting ambiq-hal-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ambiq-hal 0.2.0 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate ambiq-hal 0.2.0 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] removed /workspace/builds/worker-110/source/.cargo/config.toml
[INFO] started tweaking crates.io crate ambiq-hal 0.2.0
[INFO] finished tweaking crates.io crate ambiq-hal 0.2.0
[INFO] tweaked toml for crates.io crate ambiq-hal 0.2.0 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate crates.io crate ambiq-hal 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-time v0.12.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.0
[INFO] [stderr]   Downloaded defmt-parser v0.3.0
[INFO] [stderr]   Downloaded defmt v0.3.0
[INFO] [stderr]   Downloaded ufmt v0.1.0
[INFO] [stderr]   Downloaded ufmt-macros v0.1.1
[INFO] [stderr]   Downloaded defmt-macros v0.3.0
[INFO] [stderr]   Downloaded ambiq-apollo3-pac2 v0.2.0
[INFO] [stderr]   Downloaded ambiq-hal-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 94573e08888925793cc92d0286005f61f412071c88d3288142cc81a6349e5c5e
[INFO] running `Command { std: "docker" "start" "-a" "94573e08888925793cc92d0286005f61f412071c88d3288142cc81a6349e5c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94573e08888925793cc92d0286005f61f412071c88d3288142cc81a6349e5c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94573e08888925793cc92d0286005f61f412071c88d3288142cc81a6349e5c5e", kill_on_drop: false }`
[INFO] [stdout] 94573e08888925793cc92d0286005f61f412071c88d3288142cc81a6349e5c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 3753188a3df20c4d9f3532a91f91ba123a44ae51f6e09fc54536b4d601e6f1f1
[INFO] running `Command { std: "docker" "start" "-a" "3753188a3df20c4d9f3532a91f91ba123a44ae51f6e09fc54536b4d601e6f1f1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling defmt-macros v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]    Compiling ambiq-apollo3-pac2 v0.2.0
[INFO] [stderr]    Compiling defmt-parser v0.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]    Compiling ufmt-macros v0.1.1
[INFO] [stderr]     Checking ufmt v0.1.0
[INFO] [stderr]  Documenting ambiq-hal v0.2.0 (/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(adt_const_params)]
[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(const_fn_trait_bound)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `ambiq-hal`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name ambiq_hal 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=094cc0efdf371e38 -L dependency=/opt/rustwide/target/debug/deps --extern ambiq_apollo3_pac2=/opt/rustwide/target/debug/deps/libambiq_apollo3_pac2-b6a994d337a4a925.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f0c2d90edf507b94.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-dc7f463baafd8e76.rmeta --extern defmt=/opt/rustwide/target/debug/deps/libdefmt-8f81e4b968056509.rmeta --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-607aa9c8062de56c.rmeta --extern embedded_time=/opt/rustwide/target/debug/deps/libembedded_time-6a725a7125a3c4b4.rmeta --extern nb=/opt/rustwide/target/debug/deps/libnb-be0ff757524a09fc.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-4a6aa8d87641f319.so --extern ufmt=/opt/rustwide/target/debug/deps/libufmt-b37ee40975a140d2.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3753188a3df20c4d9f3532a91f91ba123a44ae51f6e09fc54536b4d601e6f1f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3753188a3df20c4d9f3532a91f91ba123a44ae51f6e09fc54536b4d601e6f1f1", kill_on_drop: false }`
[INFO] [stdout] 3753188a3df20c4d9f3532a91f91ba123a44ae51f6e09fc54536b4d601e6f1f1