[INFO] fetching crate crsp-base 0.2.0...
[INFO] documenting crsp-base-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate crsp-base 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate crsp-base 0.2.0 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] started tweaking crates.io crate crsp-base 0.2.0
[INFO] finished tweaking crates.io crate crsp-base 0.2.0
[INFO] tweaked toml for crates.io crate crsp-base 0.2.0 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 convert_case v0.4.0
[INFO] [stderr]   Downloaded spin_sleep v1.2.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaef5ecf4b6b561189e9fed4995e170d32520bf737023f849208261bb8106cca
[INFO] running `Command { std: "docker" "start" "-a" "aaef5ecf4b6b561189e9fed4995e170d32520bf737023f849208261bb8106cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaef5ecf4b6b561189e9fed4995e170d32520bf737023f849208261bb8106cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaef5ecf4b6b561189e9fed4995e170d32520bf737023f849208261bb8106cca", kill_on_drop: false }`
[INFO] [stdout] aaef5ecf4b6b561189e9fed4995e170d32520bf737023f849208261bb8106cca
[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] b2f79ef18ec36f63b56f41f7d01d7118f6bcfbe2980db1e24a2c84819baa59fd
[INFO] running `Command { std: "docker" "start" "-a" "b2f79ef18ec36f63b56f41f7d01d7118f6bcfbe2980db1e24a2c84819baa59fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking spin_sleep v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]  Documenting crsp-base 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(variant_count, step_trait)]
[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:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(variant_count, step_trait)]
[INFO] [stdout]   |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `crate::graphics::font_4x5::SPRITE_4X5_FONT`
[INFO] [stdout]    --> src/instruction.rs:172:19
[INFO] [stdout]     |
[INFO] [stdout] 172 |                   $(#[$field_attribute])*
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 220 | / define_instruction! {
[INFO] [stdout] 221 | |     /// A CHIP-8 instruction
[INFO] [stdout] 222 | |     ///
[INFO] [stdout] 223 | |     /// References used are
[INFO] [stdout] ...   |
[INFO] [stdout] 428 | |     }
[INFO] [stdout] 429 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: the link appears in this line:
[INFO] [stdout]             
[INFO] [stdout]             See [`SPRITE_4X5_FONT`][`crate::graphics::font_4x5::SPRITE_4X5_FONT`].
[INFO] [stdout]                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: no item named `graphics` in module `crsp_base`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `define_instruction` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::JumpOffset`
[INFO] [stdout]   --> src/processor/data_register.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     /// Used as the offset in [`Instruction::JumpOffset`].
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::AddAssign`
[INFO] [stdout]   --> src/processor/data_register.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |     /// See [`Instruction::AddAssign`], [`Instruction::SubAssign`],
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::SubAssign`
[INFO] [stdout]   --> src/processor/data_register.rs:40:43
[INFO] [stdout]    |
[INFO] [stdout] 40 |     /// See [`Instruction::AddAssign`], [`Instruction::SubAssign`],
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::RevSubAssign`
[INFO] [stdout]   --> src/processor/data_register.rs:41:11
[INFO] [stdout]    |
[INFO] [stdout] 41 |     /// [`Instruction::RevSubAssign`], [`Instruction::ShrAssign`]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::ShrAssign`
[INFO] [stdout]   --> src/processor/data_register.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |     /// [`Instruction::RevSubAssign`], [`Instruction::ShrAssign`]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Instruction::ShlAssign`
[INFO] [stdout]   --> src/processor/data_register.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     /// and [`Instruction::ShlAssign`].
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^ no item named `Instruction` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: public documentation for `font` links to private item `Font`
[INFO] [stdout]     --> src/processor.rs:1047:20
[INFO] [stdout]      |
[INFO] [stdout] 1047 |     /// See also [`Font`].
[INFO] [stdout]      |                    ^^^^ this item is private
[INFO] [stdout]      |
[INFO] [stdout]      = note: this link resolves only because you passed `--document-private-items`, but will break without
[INFO] [stdout]      = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `crsp-base`
[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=2018 --crate-type lib --crate-name crsp_base src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a3ca2d87e8152e73 -L dependency=/opt/rustwide/target/debug/deps --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-c699d061afa25c75.so --extern flume=/opt/rustwide/target/debug/deps/libflume-cbfaf58749c98816.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-b02c31d1120a0725.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a6062f70d81ac5c6.rmeta --extern spin_sleep=/opt/rustwide/target/debug/deps/libspin_sleep-8992c6c67d69920f.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-e6a2a0c27a403d56.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-9f1ad208ea0f35d2.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-4a9dcf7e2a2449ed.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b2f79ef18ec36f63b56f41f7d01d7118f6bcfbe2980db1e24a2c84819baa59fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f79ef18ec36f63b56f41f7d01d7118f6bcfbe2980db1e24a2c84819baa59fd", kill_on_drop: false }`
[INFO] [stdout] b2f79ef18ec36f63b56f41f7d01d7118f6bcfbe2980db1e24a2c84819baa59fd
