[INFO] fetching crate set-trie 0.2.3...
[INFO] documenting set-trie-0.2.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate set-trie 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate set-trie 0.2.3 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 set-trie 0.2.3
[INFO] finished tweaking crates.io crate set-trie 0.2.3
[INFO] tweaked toml for crates.io crate set-trie 0.2.3 written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 812c192dc851031f7e51373359e87a560505e2d819eaf40d28356e66184e08f2
[INFO] running `Command { std: "docker" "start" "-a" "812c192dc851031f7e51373359e87a560505e2d819eaf40d28356e66184e08f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "812c192dc851031f7e51373359e87a560505e2d819eaf40d28356e66184e08f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812c192dc851031f7e51373359e87a560505e2d819eaf40d28356e66184e08f2", kill_on_drop: false }`
[INFO] [stdout] 812c192dc851031f7e51373359e87a560505e2d819eaf40d28356e66184e08f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44892fb3f6f0601243287826219d2b3d7cff492e427220a122fc3d1d3bb94ea8
[INFO] running `Command { std: "docker" "start" "-a" "44892fb3f6f0601243287826219d2b3d7cff492e427220a122fc3d1d3bb94ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling set-trie v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting set-trie v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SetTrie::subset`
[INFO] [stdout]  --> src/subset.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Iterator for [subset](SetTrie::subset) method.
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^ the struct `SetTrie` has no field or associated item named `subset`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `SetTrie::superset`
[INFO] [stdout]  --> src/superset.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Iterator for [superset](SetTrie::superset) method.
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ the struct `SetTrie` has no field or associated item named `superset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "44892fb3f6f0601243287826219d2b3d7cff492e427220a122fc3d1d3bb94ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44892fb3f6f0601243287826219d2b3d7cff492e427220a122fc3d1d3bb94ea8", kill_on_drop: false }`
[INFO] [stdout] 44892fb3f6f0601243287826219d2b3d7cff492e427220a122fc3d1d3bb94ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 407f4ced64b7c5f54ad5370b24b66961b5aa8b55e8fe3f76cbc9b46ba8682ca1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "407f4ced64b7c5f54ad5370b24b66961b5aa8b55e8fe3f76cbc9b46ba8682ca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling camino v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling set-trie v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting set-trie v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SetTrie::subset`
[INFO] [stdout]  --> src/subset.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Iterator for [subset](SetTrie::subset) method.
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^ the struct `SetTrie` has no field or associated item named `subset`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `SetTrie::superset`
[INFO] [stdout]  --> src/superset.rs:3:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | /// Iterator for [superset](SetTrie::superset) method.
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ the struct `SetTrie` has no field or associated item named `superset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "407f4ced64b7c5f54ad5370b24b66961b5aa8b55e8fe3f76cbc9b46ba8682ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407f4ced64b7c5f54ad5370b24b66961b5aa8b55e8fe3f76cbc9b46ba8682ca1", kill_on_drop: false }`
[INFO] [stdout] 407f4ced64b7c5f54ad5370b24b66961b5aa8b55e8fe3f76cbc9b46ba8682ca1