[INFO] fetching crate rusty-leveldb 0.3.6...
[INFO] documenting rusty-leveldb-0.3.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate rusty-leveldb 0.3.6 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate rusty-leveldb 0.3.6 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 rusty-leveldb 0.3.6
[INFO] finished tweaking crates.io crate rusty-leveldb 0.3.6
[INFO] tweaked toml for crates.io crate rusty-leveldb 0.3.6 written to /workspace/builds/worker-38/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 5e8b2d5e506816f440e67af3289be2ff8e08c9fcda7eb17cd38c74352bbcf3d7
[INFO] running `Command { std: "docker" "start" "-a" "5e8b2d5e506816f440e67af3289be2ff8e08c9fcda7eb17cd38c74352bbcf3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e8b2d5e506816f440e67af3289be2ff8e08c9fcda7eb17cd38c74352bbcf3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8b2d5e506816f440e67af3289be2ff8e08c9fcda7eb17cd38c74352bbcf3d7", kill_on_drop: false }`
[INFO] [stdout] 5e8b2d5e506816f440e67af3289be2ff8e08c9fcda7eb17cd38c74352bbcf3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8ea182cf739f0ef4ba9d059ca3aa43c8d0271a910b707bd206793b90d46735ac
[INFO] running `Command { std: "docker" "start" "-a" "8ea182cf739f0ef4ba9d059ca3aa43c8d0271a910b707bd206793b90d46735ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting rusty-leveldb v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Skipmap`
[INFO] [stdout]   --> src/memtable.rs:12:85
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// MemTable uses MemtableKeys internally, that is, it stores key and value in the [Skipmap] key.
[INFO] [stdout]    |                                                                                     ^^^^^^^ no item named `Skipmap` 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 4.34s
[INFO] running `Command { std: "docker" "inspect" "8ea182cf739f0ef4ba9d059ca3aa43c8d0271a910b707bd206793b90d46735ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ea182cf739f0ef4ba9d059ca3aa43c8d0271a910b707bd206793b90d46735ac", kill_on_drop: false }`
[INFO] [stdout] 8ea182cf739f0ef4ba9d059ca3aa43c8d0271a910b707bd206793b90d46735ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 66dfcaef1e2ebe7bb6d7b5188a2757f36c55168f9fb66967dc3aed548ef0bbb6
[INFO] running `Command { std: "docker" "start" "-a" "66dfcaef1e2ebe7bb6d7b5188a2757f36c55168f9fb66967dc3aed548ef0bbb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]     Checking integer-encoding v1.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting rusty-leveldb v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Skipmap`
[INFO] [stdout]   --> src/memtable.rs:12:85
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// MemTable uses MemtableKeys internally, that is, it stores key and value in the [Skipmap] key.
[INFO] [stdout]    |                                                                                     ^^^^^^^ no item named `Skipmap` 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 6.79s
[INFO] running `Command { std: "docker" "inspect" "66dfcaef1e2ebe7bb6d7b5188a2757f36c55168f9fb66967dc3aed548ef0bbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66dfcaef1e2ebe7bb6d7b5188a2757f36c55168f9fb66967dc3aed548ef0bbb6", kill_on_drop: false }`
[INFO] [stdout] 66dfcaef1e2ebe7bb6d7b5188a2757f36c55168f9fb66967dc3aed548ef0bbb6