[INFO] cloning repository https://github.com/ZakKurasov/rust-rpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZakKurasov/rust-rpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZakKurasov%2Frust-rpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZakKurasov%2Frust-rpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14a35a8e754c41dd46a107c7c0736c8a3b01587c
[INFO] documenting ZakKurasov/rust-rpc against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZakKurasov%2Frust-rpc" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZakKurasov/rust-rpc 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 git repo https://github.com/ZakKurasov/rust-rpc
[INFO] finished tweaking git repo https://github.com/ZakKurasov/rust-rpc
[INFO] tweaked toml for git repo https://github.com/ZakKurasov/rust-rpc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ZakKurasov/rust-rpc 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] [stdout] 7a137a222ace7817f04b851349c54e2921a2de0eb25d2a8584a3ac224fd2cbb1
[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" "7a137a222ace7817f04b851349c54e2921a2de0eb25d2a8584a3ac224fd2cbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a137a222ace7817f04b851349c54e2921a2de0eb25d2a8584a3ac224fd2cbb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a137a222ace7817f04b851349c54e2921a2de0eb25d2a8584a3ac224fd2cbb1", kill_on_drop: false }`
[INFO] [stdout] 7a137a222ace7817f04b851349c54e2921a2de0eb25d2a8584a3ac224fd2cbb1
[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] 2bb40fc49cb69652456238b72a4f2a38758eebda4d954073da938be5f5f9d270
[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" "2bb40fc49cb69652456238b72a4f2a38758eebda4d954073da938be5f5f9d270", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking syn v1.0.80
[INFO] [stderr]  Documenting rpc_macro v0.1.0 (/opt/rustwide/workdir/rpc_lib/rpc_macro)
[INFO] [stderr]    Compiling rpc_macro v0.1.0 (/opt/rustwide/workdir/rpc_lib/rpc_macro)
[INFO] [stderr]     Checking rpc_lib v0.1.0 (/opt/rustwide/workdir/rpc_lib)
[INFO] [stderr]  Documenting rpc_lib v0.1.0 (/opt/rustwide/workdir/rpc_lib)
[INFO] [stderr]     Checking rpc_interface v0.1.0 (/opt/rustwide/workdir/rpc_interface)
[INFO] [stderr]  Documenting rpc_interface v0.1.0 (/opt/rustwide/workdir/rpc_interface)
[INFO] [stderr]  Documenting rpc_client v0.1.0 (/opt/rustwide/workdir/rpc_client)
[INFO] [stderr]  Documenting rpc_server v0.1.0 (/opt/rustwide/workdir/rpc_server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.74s
[INFO] running `Command { std: "docker" "inspect" "2bb40fc49cb69652456238b72a4f2a38758eebda4d954073da938be5f5f9d270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb40fc49cb69652456238b72a4f2a38758eebda4d954073da938be5f5f9d270", kill_on_drop: false }`
[INFO] [stdout] 2bb40fc49cb69652456238b72a4f2a38758eebda4d954073da938be5f5f9d270
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97d5fc931765ab9f78bc1b751d4fd0973045a3321a89d2256f1e8fd3fd75fefc
[INFO] running `Command { std: "docker" "start" "-a" "97d5fc931765ab9f78bc1b751d4fd0973045a3321a89d2256f1e8fd3fd75fefc", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "97d5fc931765ab9f78bc1b751d4fd0973045a3321a89d2256f1e8fd3fd75fefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97d5fc931765ab9f78bc1b751d4fd0973045a3321a89d2256f1e8fd3fd75fefc", kill_on_drop: false }`
[INFO] [stdout] 97d5fc931765ab9f78bc1b751d4fd0973045a3321a89d2256f1e8fd3fd75fefc