[INFO] fetching crate sequence_trie 0.3.6...
[INFO] documenting sequence_trie-0.3.6 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate sequence_trie 0.3.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sequence_trie 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 sequence_trie 0.3.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sequence_trie 0.3.6
[INFO] tweaked toml for crates.io crate sequence_trie 0.3.6 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bf92da8060a5b65228488bdebd5c7ffe49306c7ebde2ec33ed936a460f1fa815
[INFO] running `Command { std: "docker" "start" "-a" "bf92da8060a5b65228488bdebd5c7ffe49306c7ebde2ec33ed936a460f1fa815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf92da8060a5b65228488bdebd5c7ffe49306c7ebde2ec33ed936a460f1fa815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf92da8060a5b65228488bdebd5c7ffe49306c7ebde2ec33ed936a460f1fa815", kill_on_drop: false }`
[INFO] [stdout] bf92da8060a5b65228488bdebd5c7ffe49306c7ebde2ec33ed936a460f1fa815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 48ee0529f0915eed7b520014b81964e8f1c522cccf90be9b6983613c20922ea8
[INFO] running `Command { std: "docker" "start" "-a" "48ee0529f0915eed7b520014b81964e8f1c522cccf90be9b6983613c20922ea8", kill_on_drop: false }`
[INFO] [stderr]  Documenting sequence_trie v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "48ee0529f0915eed7b520014b81964e8f1c522cccf90be9b6983613c20922ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ee0529f0915eed7b520014b81964e8f1c522cccf90be9b6983613c20922ea8", kill_on_drop: false }`
[INFO] [stdout] 48ee0529f0915eed7b520014b81964e8f1c522cccf90be9b6983613c20922ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34190a61c7a12d6e7ad1c099c325842d078d108b9b6a34832e0b2e6293cdfb44
[INFO] running `Command { std: "docker" "start" "-a" "34190a61c7a12d6e7ad1c099c325842d078d108b9b6a34832e0b2e6293cdfb44", kill_on_drop: false }`
[INFO] [stderr]  Documenting sequence_trie v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "34190a61c7a12d6e7ad1c099c325842d078d108b9b6a34832e0b2e6293cdfb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34190a61c7a12d6e7ad1c099c325842d078d108b9b6a34832e0b2e6293cdfb44", kill_on_drop: false }`
[INFO] [stdout] 34190a61c7a12d6e7ad1c099c325842d078d108b9b6a34832e0b2e6293cdfb44