[INFO] fetching crate withers_derive 0.2.0...
[INFO] documenting withers_derive-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate withers_derive 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate withers_derive 0.2.0 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 withers_derive 0.2.0
[INFO] finished tweaking crates.io crate withers_derive 0.2.0
[INFO] tweaked toml for crates.io crate withers_derive 0.2.0 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] [stdout] e6896c86c14ab84b34caf5d7442731bcc3bf25cac8f46ef0cecf6920bbf84ffb
[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" "e6896c86c14ab84b34caf5d7442731bcc3bf25cac8f46ef0cecf6920bbf84ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6896c86c14ab84b34caf5d7442731bcc3bf25cac8f46ef0cecf6920bbf84ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6896c86c14ab84b34caf5d7442731bcc3bf25cac8f46ef0cecf6920bbf84ffb", kill_on_drop: false }`
[INFO] [stdout] e6896c86c14ab84b34caf5d7442731bcc3bf25cac8f46ef0cecf6920bbf84ffb
[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] 696dc87b6d5901adb350bcdf056e8b3eeac4d810fe04d8fe487ed7ddbe9fa46b
[INFO] running `Command { std: "docker" "start" "-a" "696dc87b6d5901adb350bcdf056e8b3eeac4d810fe04d8fe487ed7ddbe9fa46b", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]  Documenting withers_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "696dc87b6d5901adb350bcdf056e8b3eeac4d810fe04d8fe487ed7ddbe9fa46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696dc87b6d5901adb350bcdf056e8b3eeac4d810fe04d8fe487ed7ddbe9fa46b", kill_on_drop: false }`
[INFO] [stdout] 696dc87b6d5901adb350bcdf056e8b3eeac4d810fe04d8fe487ed7ddbe9fa46b
[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" "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" "+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] d03957806f375bfd1182c3a897c64d92f72d30059c80ab3b9a23d5c90a37bdd2
[INFO] running `Command { std: "docker" "start" "-a" "d03957806f375bfd1182c3a897c64d92f72d30059c80ab3b9a23d5c90a37bdd2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]  Documenting withers_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "d03957806f375bfd1182c3a897c64d92f72d30059c80ab3b9a23d5c90a37bdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03957806f375bfd1182c3a897c64d92f72d30059c80ab3b9a23d5c90a37bdd2", kill_on_drop: false }`
[INFO] [stdout] d03957806f375bfd1182c3a897c64d92f72d30059c80ab3b9a23d5c90a37bdd2