[INFO] fetching crate space 0.18.0...
[INFO] documenting space-0.18.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate space 0.18.0 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate space 0.18.0 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] removed /workspace/builds/worker-35/source/.cargo/config
[INFO] started tweaking crates.io crate space 0.18.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate space 0.18.0
[INFO] tweaked toml for crates.io crate space 0.18.0 written to /workspace/builds/worker-35/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] [stderr]     Blocking waiting for file lock on package cache
[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-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 6c7b43d50aa3ece90964b0040292e893244f42154d46ab97ebc552ec979241d1
[INFO] running `Command { std: "docker" "start" "-a" "6c7b43d50aa3ece90964b0040292e893244f42154d46ab97ebc552ec979241d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7b43d50aa3ece90964b0040292e893244f42154d46ab97ebc552ec979241d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7b43d50aa3ece90964b0040292e893244f42154d46ab97ebc552ec979241d1", kill_on_drop: false }`
[INFO] [stdout] 6c7b43d50aa3ece90964b0040292e893244f42154d46ab97ebc552ec979241d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 268ff2d600ba7c0b7cc2c8227dc85593e126b0bccc0eb9f0856cf612f89da445
[INFO] running `Command { std: "docker" "start" "-a" "268ff2d600ba7c0b7cc2c8227dc85593e126b0bccc0eb9f0856cf612f89da445", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]  Documenting space v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `KnnMap`
[INFO] [stdout]    --> src/lib.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /// Insert a (key, value) pair to the [`KnnMap`].
[INFO] [stdout]     |                                             ^^^^^^ no item named `KnnMap` 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 6.33s
[INFO] running `Command { std: "docker" "inspect" "268ff2d600ba7c0b7cc2c8227dc85593e126b0bccc0eb9f0856cf612f89da445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268ff2d600ba7c0b7cc2c8227dc85593e126b0bccc0eb9f0856cf612f89da445", kill_on_drop: false }`
[INFO] [stdout] 268ff2d600ba7c0b7cc2c8227dc85593e126b0bccc0eb9f0856cf612f89da445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 234bf60903905c3244445851a67d508b17c1b3e34d4a96e82a6e453285919f8e
[INFO] running `Command { std: "docker" "start" "-a" "234bf60903905c3244445851a67d508b17c1b3e34d4a96e82a6e453285919f8e", 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] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]  Documenting space v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `KnnMap`
[INFO] [stdout]    --> src/lib.rs:158:45
[INFO] [stdout]     |
[INFO] [stdout] 158 |     /// Insert a (key, value) pair to the [`KnnMap`].
[INFO] [stdout]     |                                             ^^^^^^ no item named `KnnMap` 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 13.60s
[INFO] running `Command { std: "docker" "inspect" "234bf60903905c3244445851a67d508b17c1b3e34d4a96e82a6e453285919f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234bf60903905c3244445851a67d508b17c1b3e34d4a96e82a6e453285919f8e", kill_on_drop: false }`
[INFO] [stdout] 234bf60903905c3244445851a67d508b17c1b3e34d4a96e82a6e453285919f8e