[INFO] fetching crate attr_alias 0.1.5...
[INFO] documenting attr_alias-0.1.5 against 1.93.0 for beta-1.94-rustdoc-2
[INFO] extracting crate attr_alias 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate attr_alias 0.1.5
[INFO] finished tweaking crates.io crate attr_alias 0.1.5
[INFO] tweaked toml for crates.io crate attr_alias 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate attr_alias 0.1.5 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate attr_alias 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da61253d66a55553c8b12598a345ec73ec0b6c9b10279e55bc5b7d1967fb554a
[INFO] running `Command { std: "docker" "start" "-a" "da61253d66a55553c8b12598a345ec73ec0b6c9b10279e55bc5b7d1967fb554a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da61253d66a55553c8b12598a345ec73ec0b6c9b10279e55bc5b7d1967fb554a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da61253d66a55553c8b12598a345ec73ec0b6c9b10279e55bc5b7d1967fb554a", kill_on_drop: false }`
[INFO] [stdout] da61253d66a55553c8b12598a345ec73ec0b6c9b10279e55bc5b7d1967fb554a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e19c1c667434a1c0591af1a40ae317f264811057b56b30189e43b9002856b2
[INFO] running `Command { std: "docker" "start" "-a" "c1e19c1c667434a1c0591af1a40ae317f264811057b56b30189e43b9002856b2", kill_on_drop: false }`
[INFO] [stderr]  Documenting attr_alias v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `attr_alias`
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / //! This crate allows defining arbitrary aliases for attributes.
[INFO] [stdout]  2 | | //!
[INFO] [stdout]  3 | | //! Aliases are resolved by [`#[attr_alias]`][macro@attr_alias]. Since that
[INFO] [stdout]  4 | | //! attribute requires a nightly compiler, [`#[eval]`][macro@eval] and
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | | //! [quote]: https://crates.io/crates/quote
[INFO] [stdout] 98 | | //! [syn]: https://crates.io/crates/syn
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the link appears in this line:
[INFO] [stdout]            
[INFO] [stdout]            Aliases are resolved by [`#[attr_alias]`][macro@attr_alias]. Since that
[INFO] [stdout]                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: no item named `attr_alias` in scope
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `attr_alias`
[INFO] [stdout]   --> src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | / //! This crate allows defining arbitrary aliases for attributes.
[INFO] [stdout]  2 | | //!
[INFO] [stdout]  3 | | //! Aliases are resolved by [`#[attr_alias]`][macro@attr_alias]. Since that
[INFO] [stdout]  4 | | //! attribute requires a nightly compiler, [`#[eval]`][macro@eval] and
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | | //! [quote]: https://crates.io/crates/quote
[INFO] [stdout] 98 | | //! [syn]: https://crates.io/crates/syn
[INFO] [stdout]    | |_______________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the link appears in this line:
[INFO] [stdout]            
[INFO] [stdout]              Provides [`#[attr_alias]`][macro@attr_alias].
[INFO] [stdout]                                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: no item named `attr_alias` in scope
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `attr_alias`
[INFO] [stdout]    --> src/lib.rs:361:32
[INFO] [stdout]     |
[INFO] [stdout] 361 | /// Resolves [`#[attr_alias]`][macro@attr_alias] attributes.
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ no item named `attr_alias` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `attr_alias`
[INFO] [stdout]    --> src/lib.rs:364:23
[INFO] [stdout]     |
[INFO] [stdout] 364 | /// [`#[attr_alias]`][macro@attr_alias] attributes within that item to be
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ no item named `attr_alias` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `attr_alias`
[INFO] [stdout]    --> src/lib.rs:372:29
[INFO] [stdout]     |
[INFO] [stdout] 372 | ///   The [`#[attr_alias]`][macro@attr_alias] attribute was used without this
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ no item named `attr_alias` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/attr_alias/index.html
[INFO] running `Command { std: "docker" "inspect" "c1e19c1c667434a1c0591af1a40ae317f264811057b56b30189e43b9002856b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e19c1c667434a1c0591af1a40ae317f264811057b56b30189e43b9002856b2", kill_on_drop: false }`
[INFO] [stdout] c1e19c1c667434a1c0591af1a40ae317f264811057b56b30189e43b9002856b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustflags=[\"--cfg\", \"attr_alias_docs_rs\"]" "-Zhost-config" "-Ztarget-applies-to-host" "--config" "host.rustflags=[\"--cfg\", \"attr_alias_docs_rs\"]" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"attr_alias_docs_rs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f430a5ac62dcea3e87ac387a7d2b4f4cd1a3851818afa9780090e232f5ef7fd5
[INFO] running `Command { std: "docker" "start" "-a" "f430a5ac62dcea3e87ac387a7d2b4f4cd1a3851818afa9780090e232f5ef7fd5", kill_on_drop: false }`
[INFO] [stderr]  Documenting attr_alias v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `proc_macro::tracked`
[INFO] [stdout]    --> src/lib.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | use proc_macro::tracked;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ no `tracked` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `attr_alias`
[INFO] running `Command { std: "docker" "inspect" "f430a5ac62dcea3e87ac387a7d2b4f4cd1a3851818afa9780090e232f5ef7fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f430a5ac62dcea3e87ac387a7d2b4f4cd1a3851818afa9780090e232f5ef7fd5", kill_on_drop: false }`
[INFO] [stdout] f430a5ac62dcea3e87ac387a7d2b4f4cd1a3851818afa9780090e232f5ef7fd5