[INFO] fetching crate cur_macro 0.5.0...
[INFO] documenting cur_macro-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate cur_macro 0.5.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate cur_macro 0.5.0 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] started tweaking crates.io crate cur_macro 0.5.0
[INFO] finished tweaking crates.io crate cur_macro 0.5.0
[INFO] tweaked toml for crates.io crate cur_macro 0.5.0 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 6bd525d77ffbe3f5664f9732a0e1e48e476434ec10fb5834f317f82f00e4f702
[INFO] running `Command { std: "docker" "start" "-a" "6bd525d77ffbe3f5664f9732a0e1e48e476434ec10fb5834f317f82f00e4f702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd525d77ffbe3f5664f9732a0e1e48e476434ec10fb5834f317f82f00e4f702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd525d77ffbe3f5664f9732a0e1e48e476434ec10fb5834f317f82f00e4f702", kill_on_drop: false }`
[INFO] [stdout] 6bd525d77ffbe3f5664f9732a0e1e48e476434ec10fb5834f317f82f00e4f702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 4bc43b56fe48c8295cb163c224101c73918a35ef2104768c353b61d4e067d353
[INFO] running `Command { std: "docker" "start" "-a" "4bc43b56fe48c8295cb163c224101c73918a35ef2104768c353b61d4e067d353", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting cur_macro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Union`
[INFO] [stdout]    --> src/lib.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |     /// Returns a [`Union`] of an empty sequence and `self`.
[INFO] [stdout]     |                     ^^^^^ no item named `Union` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bc43b56fe48c8295cb163c224101c73918a35ef2104768c353b61d4e067d353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc43b56fe48c8295cb163c224101c73918a35ef2104768c353b61d4e067d353", kill_on_drop: false }`
[INFO] [stdout] 4bc43b56fe48c8295cb163c224101c73918a35ef2104768c353b61d4e067d353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] be3d84088bb75d147512cad391f7b4082f85446f2b0855f32722501398136322
[INFO] running `Command { std: "docker" "start" "-a" "be3d84088bb75d147512cad391f7b4082f85446f2b0855f32722501398136322", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting cur_macro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Union`
[INFO] [stdout]    --> src/lib.rs:439:21
[INFO] [stdout]     |
[INFO] [stdout] 439 |     /// Returns a [`Union`] of an empty sequence and `self`.
[INFO] [stdout]     |                     ^^^^^ no item named `Union` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "be3d84088bb75d147512cad391f7b4082f85446f2b0855f32722501398136322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3d84088bb75d147512cad391f7b4082f85446f2b0855f32722501398136322", kill_on_drop: false }`
[INFO] [stdout] be3d84088bb75d147512cad391f7b4082f85446f2b0855f32722501398136322