[INFO] fetching crate semver-parser 0.10.2...
[INFO] documenting semver-parser-0.10.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate semver-parser 0.10.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate semver-parser 0.10.2 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 semver-parser 0.10.2
[INFO] finished tweaking crates.io crate semver-parser 0.10.2
[INFO] tweaked toml for crates.io crate semver-parser 0.10.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate semver-parser 0.10.2 already has a lockfile, it will not be regenerated
[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] 2b0db07c66cc4a95a5eef7431504855caaa62998b5c437be50447b175caf9111
[INFO] running `Command { std: "docker" "start" "-a" "2b0db07c66cc4a95a5eef7431504855caaa62998b5c437be50447b175caf9111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0db07c66cc4a95a5eef7431504855caaa62998b5c437be50447b175caf9111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0db07c66cc4a95a5eef7431504855caaa62998b5c437be50447b175caf9111", kill_on_drop: false }`
[INFO] [stdout] 2b0db07c66cc4a95a5eef7431504855caaa62998b5c437be50447b175caf9111
[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] 0806c1f0aef1801373fa3169cb286f0084ea283e089c6fb6280f821c3cd78225
[INFO] running `Command { std: "docker" "start" "-a" "0806c1f0aef1801373fa3169cb286f0084ea283e089c6fb6280f821c3cd78225", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]  Documenting semver-parser v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "0806c1f0aef1801373fa3169cb286f0084ea283e089c6fb6280f821c3cd78225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0806c1f0aef1801373fa3169cb286f0084ea283e089c6fb6280f821c3cd78225", kill_on_drop: false }`
[INFO] [stdout] 0806c1f0aef1801373fa3169cb286f0084ea283e089c6fb6280f821c3cd78225
[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] 3806f27a0a2f6c33b033ea324a4cafe21a6e565a61b576a6fd227d5cf85d67f2
[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" "3806f27a0a2f6c33b033ea324a4cafe21a6e565a61b576a6fd227d5cf85d67f2", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]  Documenting semver-parser v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "3806f27a0a2f6c33b033ea324a4cafe21a6e565a61b576a6fd227d5cf85d67f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3806f27a0a2f6c33b033ea324a4cafe21a6e565a61b576a6fd227d5cf85d67f2", kill_on_drop: false }`
[INFO] [stdout] 3806f27a0a2f6c33b033ea324a4cafe21a6e565a61b576a6fd227d5cf85d67f2