[INFO] fetching crate serde_scan 0.4.1... [INFO] documenting serde_scan-0.4.1 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate serde_scan 0.4.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate serde_scan 0.4.1 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 serde_scan 0.4.1 [INFO] finished tweaking crates.io crate serde_scan 0.4.1 [INFO] tweaked toml for crates.io crate serde_scan 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate serde_scan 0.4.1 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 7db52b84c0d36f35f7d0db2b385c71e142f43f7a713853eb9c147aa84f8b58c8 [INFO] running `Command { std: "docker" "start" "-a" "7db52b84c0d36f35f7d0db2b385c71e142f43f7a713853eb9c147aa84f8b58c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7db52b84c0d36f35f7d0db2b385c71e142f43f7a713853eb9c147aa84f8b58c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7db52b84c0d36f35f7d0db2b385c71e142f43f7a713853eb9c147aa84f8b58c8", kill_on_drop: false }` [INFO] [stdout] 7db52b84c0d36f35f7d0db2b385c71e142f43f7a713853eb9c147aa84f8b58c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] c24f839a0eff976297ed0057c592b85cee07cb957fcf3e8aafea437ae94b7baf [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" "c24f839a0eff976297ed0057c592b85cee07cb957fcf3e8aafea437ae94b7baf", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Documenting serde_scan v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.98s [INFO] running `Command { std: "docker" "inspect" "c24f839a0eff976297ed0057c592b85cee07cb957fcf3e8aafea437ae94b7baf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c24f839a0eff976297ed0057c592b85cee07cb957fcf3e8aafea437ae94b7baf", kill_on_drop: false }` [INFO] [stdout] c24f839a0eff976297ed0057c592b85cee07cb957fcf3e8aafea437ae94b7baf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fe295f9a7f6d681468a433ae5593b34cc096365cc981407b3924da7cd00981b1 [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" "fe295f9a7f6d681468a433ae5593b34cc096365cc981407b3924da7cd00981b1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Documenting serde_scan v0.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.64s [INFO] running `Command { std: "docker" "inspect" "fe295f9a7f6d681468a433ae5593b34cc096365cc981407b3924da7cd00981b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe295f9a7f6d681468a433ae5593b34cc096365cc981407b3924da7cd00981b1", kill_on_drop: false }` [INFO] [stdout] fe295f9a7f6d681468a433ae5593b34cc096365cc981407b3924da7cd00981b1