[INFO] fetching crate screenshot-rs 0.1.5...
[INFO] documenting screenshot-rs-0.1.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate screenshot-rs 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate screenshot-rs 0.1.5 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 screenshot-rs 0.1.5
[INFO] finished tweaking crates.io crate screenshot-rs 0.1.5
[INFO] tweaked toml for crates.io crate screenshot-rs 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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] dec1a4cfe0ea0f754e25f4c0cf5b39f2bae507b76cbf82e081499b856872ec70
[INFO] running `Command { std: "docker" "start" "-a" "dec1a4cfe0ea0f754e25f4c0cf5b39f2bae507b76cbf82e081499b856872ec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dec1a4cfe0ea0f754e25f4c0cf5b39f2bae507b76cbf82e081499b856872ec70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec1a4cfe0ea0f754e25f4c0cf5b39f2bae507b76cbf82e081499b856872ec70", kill_on_drop: false }`
[INFO] [stdout] dec1a4cfe0ea0f754e25f4c0cf5b39f2bae507b76cbf82e081499b856872ec70
[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] [stdout] 3f84256a691894f368633f58976cb00303284dc82e3899f7b082de33408db841
[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" "3f84256a691894f368633f58976cb00303284dc82e3899f7b082de33408db841", kill_on_drop: false }`
[INFO] [stderr]  Documenting screenshot-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "3f84256a691894f368633f58976cb00303284dc82e3899f7b082de33408db841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f84256a691894f368633f58976cb00303284dc82e3899f7b082de33408db841", kill_on_drop: false }`
[INFO] [stdout] 3f84256a691894f368633f58976cb00303284dc82e3899f7b082de33408db841
[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" "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" "+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] eadfd240a057125c7579254d2e1fe05032f2e6447a73b840c9d2a30a5d25c9e7
[INFO] running `Command { std: "docker" "start" "-a" "eadfd240a057125c7579254d2e1fe05032f2e6447a73b840c9d2a30a5d25c9e7", kill_on_drop: false }`
[INFO] [stderr]  Documenting screenshot-rs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "eadfd240a057125c7579254d2e1fe05032f2e6447a73b840c9d2a30a5d25c9e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadfd240a057125c7579254d2e1fe05032f2e6447a73b840c9d2a30a5d25c9e7", kill_on_drop: false }`
[INFO] [stdout] eadfd240a057125c7579254d2e1fe05032f2e6447a73b840c9d2a30a5d25c9e7