[INFO] fetching crate whatlang 0.16.0...
[INFO] documenting whatlang-0.16.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate whatlang 0.16.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate whatlang 0.16.0 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] started tweaking crates.io crate whatlang 0.16.0
[INFO] finished tweaking crates.io crate whatlang 0.16.0
[INFO] tweaked toml for crates.io crate whatlang 0.16.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate whatlang 0.16.0 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8343bdac2edaa2792355f71aee185ce7a3449ca1a7ea45c3433d5dfea811240f
[INFO] running `Command { std: "docker" "start" "-a" "8343bdac2edaa2792355f71aee185ce7a3449ca1a7ea45c3433d5dfea811240f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8343bdac2edaa2792355f71aee185ce7a3449ca1a7ea45c3433d5dfea811240f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8343bdac2edaa2792355f71aee185ce7a3449ca1a7ea45c3433d5dfea811240f", kill_on_drop: false }`
[INFO] [stdout] 8343bdac2edaa2792355f71aee185ce7a3449ca1a7ea45c3433d5dfea811240f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e4bf973bde701e44b6a6a008695c9bdd5150917260e3e782fd8002db8e9d4261
[INFO] running `Command { std: "docker" "start" "-a" "e4bf973bde701e44b6a6a008695c9bdd5150917260e3e782fd8002db8e9d4261", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]  Documenting whatlang v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "e4bf973bde701e44b6a6a008695c9bdd5150917260e3e782fd8002db8e9d4261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bf973bde701e44b6a6a008695c9bdd5150917260e3e782fd8002db8e9d4261", kill_on_drop: false }`
[INFO] [stdout] e4bf973bde701e44b6a6a008695c9bdd5150917260e3e782fd8002db8e9d4261
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cc03d8d33729c75d1e70afd73e18f25c81aba2a5ba6fe95d849bdf8d45c8b022
[INFO] running `Command { std: "docker" "start" "-a" "cc03d8d33729c75d1e70afd73e18f25c81aba2a5ba6fe95d849bdf8d45c8b022", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking hashbrown v0.12.0
[INFO] [stderr]  Documenting whatlang v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.50s
[INFO] running `Command { std: "docker" "inspect" "cc03d8d33729c75d1e70afd73e18f25c81aba2a5ba6fe95d849bdf8d45c8b022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc03d8d33729c75d1e70afd73e18f25c81aba2a5ba6fe95d849bdf8d45c8b022", kill_on_drop: false }`
[INFO] [stdout] cc03d8d33729c75d1e70afd73e18f25c81aba2a5ba6fe95d849bdf8d45c8b022