[INFO] fetching crate n64-pac 0.3.3...
[INFO] documenting n64-pac-0.3.3 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate n64-pac 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate n64-pac 0.3.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate n64-pac 0.3.3
[INFO] finished tweaking crates.io crate n64-pac 0.3.3
[INFO] tweaked toml for crates.io crate n64-pac 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-bitfield-macros v0.2.3
[INFO] [stderr]   Downloaded proc-bitfield v0.2.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836165427cb03ad33aa9518be3faab04f348eaeb72e0d8f34bec5ae85871633e
[INFO] running `Command { std: "docker" "start" "-a" "836165427cb03ad33aa9518be3faab04f348eaeb72e0d8f34bec5ae85871633e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836165427cb03ad33aa9518be3faab04f348eaeb72e0d8f34bec5ae85871633e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836165427cb03ad33aa9518be3faab04f348eaeb72e0d8f34bec5ae85871633e", kill_on_drop: false }`
[INFO] [stdout] 836165427cb03ad33aa9518be3faab04f348eaeb72e0d8f34bec5ae85871633e
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d21df5dd3ba85d391e1e4d2c5060f193d792cc69b6405d10242660f3afb4078
[INFO] running `Command { std: "docker" "start" "-a" "0d21df5dd3ba85d391e1e4d2c5060f193d792cc69b6405d10242660f3afb4078", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling proc-bitfield-macros v0.2.3
[INFO] [stderr]     Checking proc-bitfield v0.2.4
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]  Documenting n64-pac v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | #![feature(asm_experimental_arch)]
[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:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![feature(asm_const)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[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 `n64-pac`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name n64_pac src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=38d8918e4f880cf1 -L dependency=/opt/rustwide/target/debug/deps --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-c31e431205dc2886.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-5d8b8ccb77a64e55.so --extern proc_bitfield=/opt/rustwide/target/debug/deps/libproc_bitfield-970f1b81295f7a2a.rmeta --cap-lints=warn --crate-version 0.3.3` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0d21df5dd3ba85d391e1e4d2c5060f193d792cc69b6405d10242660f3afb4078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d21df5dd3ba85d391e1e4d2c5060f193d792cc69b6405d10242660f3afb4078", kill_on_drop: false }`
[INFO] [stdout] 0d21df5dd3ba85d391e1e4d2c5060f193d792cc69b6405d10242660f3afb4078
