[INFO] fetching crate serde_derive_internals 0.26.0...
[INFO] documenting serde_derive_internals-0.26.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_derive_internals 0.26.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_derive_internals 0.26.0 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 serde_derive_internals 0.26.0
[INFO] finished tweaking crates.io crate serde_derive_internals 0.26.0
[INFO] tweaked toml for crates.io crate serde_derive_internals 0.26.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c25dd9a26d9b1b8a7d30c068f961b7e6878c040486183755cbb5e9c15c590428
[INFO] running `Command { std: "docker" "start" "-a" "c25dd9a26d9b1b8a7d30c068f961b7e6878c040486183755cbb5e9c15c590428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c25dd9a26d9b1b8a7d30c068f961b7e6878c040486183755cbb5e9c15c590428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25dd9a26d9b1b8a7d30c068f961b7e6878c040486183755cbb5e9c15c590428", kill_on_drop: false }`
[INFO] [stdout] c25dd9a26d9b1b8a7d30c068f961b7e6878c040486183755cbb5e9c15c590428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3a580454e5d35ec22f6c8755a31a8945a1b9a729f520fdf37e15738412ab2c87
[INFO] running `Command { std: "docker" "start" "-a" "3a580454e5d35ec22f6c8755a31a8945a1b9a729f520fdf37e15738412ab2c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serde_derive_internals v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "3a580454e5d35ec22f6c8755a31a8945a1b9a729f520fdf37e15738412ab2c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a580454e5d35ec22f6c8755a31a8945a1b9a729f520fdf37e15738412ab2c87", kill_on_drop: false }`
[INFO] [stdout] 3a580454e5d35ec22f6c8755a31a8945a1b9a729f520fdf37e15738412ab2c87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3355d85da7b6a11c3a9dd769b0736860f7a0c918d89ab5c1816bd09f7b8b77c9
[INFO] running `Command { std: "docker" "start" "-a" "3355d85da7b6a11c3a9dd769b0736860f7a0c918d89ab5c1816bd09f7b8b77c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting serde_derive_internals v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "3355d85da7b6a11c3a9dd769b0736860f7a0c918d89ab5c1816bd09f7b8b77c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3355d85da7b6a11c3a9dd769b0736860f7a0c918d89ab5c1816bd09f7b8b77c9", kill_on_drop: false }`
[INFO] [stdout] 3355d85da7b6a11c3a9dd769b0736860f7a0c918d89ab5c1816bd09f7b8b77c9