[INFO] fetching crate erased-type-arena 0.3.1...
[INFO] documenting erased-type-arena-0.3.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate erased-type-arena 0.3.1 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate erased-type-arena 0.3.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate erased-type-arena 0.3.1
[INFO] finished tweaking crates.io crate erased-type-arena 0.3.1
[INFO] tweaked toml for crates.io crate erased-type-arena 0.3.1 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af685749fa7eb8a00b62ae7ca45a1b28d4c045ecfca429cb791591823a5dd7b4
[INFO] running `Command { std: "docker" "start" "-a" "af685749fa7eb8a00b62ae7ca45a1b28d4c045ecfca429cb791591823a5dd7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af685749fa7eb8a00b62ae7ca45a1b28d4c045ecfca429cb791591823a5dd7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af685749fa7eb8a00b62ae7ca45a1b28d4c045ecfca429cb791591823a5dd7b4", kill_on_drop: false }`
[INFO] [stdout] af685749fa7eb8a00b62ae7ca45a1b28d4c045ecfca429cb791591823a5dd7b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7639a08e83a1ec857660563004eeef5173e4e6d2b82b341c87c786dfb4e861f3
[INFO] running `Command { std: "docker" "start" "-a" "7639a08e83a1ec857660563004eeef5173e4e6d2b82b341c87c786dfb4e861f3", kill_on_drop: false }`
[INFO] [stderr]  Documenting erased-type-arena v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `RefCell`
[INFO] [stdout]   --> src/lib.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | //! such as [`RefCell`]. We can illustrate the approach by the following code definitions:
[INFO] [stdout]    |               ^^^^^^^ no item named `RefCell` 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: unresolved link to `ArenaMut`
[INFO] [stdout]   --> src/lib.rs:94:68
[INFO] [stdout]    |
[INFO] [stdout] 94 | //! To solve this problem, this crate provides two safe wrappers [`ArenaMut`] and [`ArenaRef`]
[INFO] [stdout]    |                                                                    ^^^^^^^^ no item named `ArenaMut` 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 `ArenaRef`
[INFO] [stdout]   --> src/lib.rs:94:85
[INFO] [stdout]    |
[INFO] [stdout] 94 | //! To solve this problem, this crate provides two safe wrappers [`ArenaMut`] and [`ArenaRef`]
[INFO] [stdout]    |                                                                                     ^^^^^^^^ no item named `ArenaRef` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "7639a08e83a1ec857660563004eeef5173e4e6d2b82b341c87c786dfb4e861f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7639a08e83a1ec857660563004eeef5173e4e6d2b82b341c87c786dfb4e861f3", kill_on_drop: false }`
[INFO] [stdout] 7639a08e83a1ec857660563004eeef5173e4e6d2b82b341c87c786dfb4e861f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 0c214167fc7f424713d0a0beeb708b6e537f8626c0820a3b7a23d1ff1d6ded92
[INFO] running `Command { std: "docker" "start" "-a" "0c214167fc7f424713d0a0beeb708b6e537f8626c0820a3b7a23d1ff1d6ded92", kill_on_drop: false }`
[INFO] [stderr]  Documenting erased-type-arena v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `RefCell`
[INFO] [stdout]   --> src/lib.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | //! such as [`RefCell`]. We can illustrate the approach by the following code definitions:
[INFO] [stdout]    |               ^^^^^^^ no item named `RefCell` 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: unresolved link to `ArenaMut`
[INFO] [stdout]   --> src/lib.rs:94:68
[INFO] [stdout]    |
[INFO] [stdout] 94 | //! To solve this problem, this crate provides two safe wrappers [`ArenaMut`] and [`ArenaRef`]
[INFO] [stdout]    |                                                                    ^^^^^^^^ no item named `ArenaMut` 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 `ArenaRef`
[INFO] [stdout]   --> src/lib.rs:94:85
[INFO] [stdout]    |
[INFO] [stdout] 94 | //! To solve this problem, this crate provides two safe wrappers [`ArenaMut`] and [`ArenaRef`]
[INFO] [stdout]    |                                                                                     ^^^^^^^^ no item named `ArenaRef` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0c214167fc7f424713d0a0beeb708b6e537f8626c0820a3b7a23d1ff1d6ded92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c214167fc7f424713d0a0beeb708b6e537f8626c0820a3b7a23d1ff1d6ded92", kill_on_drop: false }`
[INFO] [stdout] 0c214167fc7f424713d0a0beeb708b6e537f8626c0820a3b7a23d1ff1d6ded92