[INFO] fetching crate xargo 0.3.25...
[INFO] documenting xargo-0.3.25 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate xargo 0.3.25 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xargo 0.3.25 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 xargo 0.3.25
[INFO] finished tweaking crates.io crate xargo 0.3.25
[INFO] tweaked toml for crates.io crate xargo 0.3.25 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate xargo 0.3.25 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 162ee096983a05adae313f6c699830e9423418a87f6f01075ef01da72c8befdb
[INFO] running `Command { std: "docker" "start" "-a" "162ee096983a05adae313f6c699830e9423418a87f6f01075ef01da72c8befdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162ee096983a05adae313f6c699830e9423418a87f6f01075ef01da72c8befdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162ee096983a05adae313f6c699830e9423418a87f6f01075ef01da72c8befdb", kill_on_drop: false }`
[INFO] [stdout] 162ee096983a05adae313f6c699830e9423418a87f6f01075ef01da72c8befdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 49a8c0eb4b348785ba7e33f85b0e8d95ebda7560ff9b0558200fa47cf502bf52
[INFO] running `Command { std: "docker" "start" "-a" "49a8c0eb4b348785ba7e33f85b0e8d95ebda7560ff9b0558200fa47cf502bf52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling xargo v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]  Documenting xargo v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.78s
[INFO] running `Command { std: "docker" "inspect" "49a8c0eb4b348785ba7e33f85b0e8d95ebda7560ff9b0558200fa47cf502bf52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a8c0eb4b348785ba7e33f85b0e8d95ebda7560ff9b0558200fa47cf502bf52", kill_on_drop: false }`
[INFO] [stdout] 49a8c0eb4b348785ba7e33f85b0e8d95ebda7560ff9b0558200fa47cf502bf52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] a34acda02c48ff7e15602430c448fb7bad0d4ced550ce43bd73126c65bd21f47
[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" "a34acda02c48ff7e15602430c448fb7bad0d4ced550ce43bd73126c65bd21f47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling xargo v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rustc_version v0.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]  Documenting xargo v0.3.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.31s
[INFO] running `Command { std: "docker" "inspect" "a34acda02c48ff7e15602430c448fb7bad0d4ced550ce43bd73126c65bd21f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34acda02c48ff7e15602430c448fb7bad0d4ced550ce43bd73126c65bd21f47", kill_on_drop: false }`
[INFO] [stdout] a34acda02c48ff7e15602430c448fb7bad0d4ced550ce43bd73126c65bd21f47