[INFO] fetching crate whatlang 0.16.0...
[INFO] documenting whatlang-0.16.0 against 1.61.0 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 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded hashbrown v0.12.0
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded serde v1.0.124
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54a088bf56e4badbf9c4636e8b0f689f41a758ea3497282dd10458bdfd84a5fe
[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" "54a088bf56e4badbf9c4636e8b0f689f41a758ea3497282dd10458bdfd84a5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54a088bf56e4badbf9c4636e8b0f689f41a758ea3497282dd10458bdfd84a5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a088bf56e4badbf9c4636e8b0f689f41a758ea3497282dd10458bdfd84a5fe", kill_on_drop: false }`
[INFO] [stdout] 54a088bf56e4badbf9c4636e8b0f689f41a758ea3497282dd10458bdfd84a5fe
[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" "+1.61.0" "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] 8cc30a59d000fac4f60ad68ba7bcec017c7662046f3ba94586a83d248ac638a5
[INFO] running `Command { std: "docker" "start" "-a" "8cc30a59d000fac4f60ad68ba7bcec017c7662046f3ba94586a83d248ac638a5", 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 9.53s
[INFO] running `Command { std: "docker" "inspect" "8cc30a59d000fac4f60ad68ba7bcec017c7662046f3ba94586a83d248ac638a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc30a59d000fac4f60ad68ba7bcec017c7662046f3ba94586a83d248ac638a5", kill_on_drop: false }`
[INFO] [stdout] 8cc30a59d000fac4f60ad68ba7bcec017c7662046f3ba94586a83d248ac638a5
[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" "+1.61.0" "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] 26b83cf5d0032cee84a03f4b8b0fa247a5c7a004942f2d535129714613c05359
[INFO] running `Command { std: "docker" "start" "-a" "26b83cf5d0032cee84a03f4b8b0fa247a5c7a004942f2d535129714613c05359", 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 9.10s
[INFO] running `Command { std: "docker" "inspect" "26b83cf5d0032cee84a03f4b8b0fa247a5c7a004942f2d535129714613c05359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b83cf5d0032cee84a03f4b8b0fa247a5c7a004942f2d535129714613c05359", kill_on_drop: false }`
[INFO] [stdout] 26b83cf5d0032cee84a03f4b8b0fa247a5c7a004942f2d535129714613c05359