[INFO] cloning repository https://github.com/chiyadev/laby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chiyadev/laby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiyadev%2Flaby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchiyadev%2Flaby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d9c473b4b9623f3a16339f6aa07ab3390776a19
[INFO] documenting chiyadev/laby 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%2Fchiyadev%2Flaby" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chiyadev/laby 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/chiyadev/laby
[INFO] finished tweaking git repo https://github.com/chiyadev/laby
[INFO] tweaked toml for git repo https://github.com/chiyadev/laby written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/chiyadev/laby 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 55d88344b9e1f20dcfe719100abb6e10f99ace185949ce4bcbaa6c9e4125cc77
[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" "55d88344b9e1f20dcfe719100abb6e10f99ace185949ce4bcbaa6c9e4125cc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d88344b9e1f20dcfe719100abb6e10f99ace185949ce4bcbaa6c9e4125cc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d88344b9e1f20dcfe719100abb6e10f99ace185949ce4bcbaa6c9e4125cc77", kill_on_drop: false }`
[INFO] [stdout] 55d88344b9e1f20dcfe719100abb6e10f99ace185949ce4bcbaa6c9e4125cc77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5be6499b4498cd34c92c6976bb87ffc01904b17d79a53a3c11a879969371034d
[INFO] running `Command { std: "docker" "start" "-a" "5be6499b4498cd34c92c6976bb87ffc01904b17d79a53a3c11a879969371034d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]     Checking itoap v1.0.1
[INFO] [stderr]     Checking ryu v1.0.8
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking raw-cpuid v10.2.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking laby_common v0.1.1 (/opt/rustwide/workdir/laby_common)
[INFO] [stderr]  Documenting laby_common v0.1.1 (/opt/rustwide/workdir/laby_common)
[INFO] [stderr]     Checking syn v1.0.82
[INFO] [stderr]  Documenting laby_macros v0.1.3 (/opt/rustwide/workdir/laby_macros)
[INFO] [stderr]    Compiling laby_macros v0.1.3 (/opt/rustwide/workdir/laby_macros)
[INFO] [stderr]  Documenting laby v0.2.4 (/opt/rustwide/workdir/laby)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.78s
[INFO] running `Command { std: "docker" "inspect" "5be6499b4498cd34c92c6976bb87ffc01904b17d79a53a3c11a879969371034d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be6499b4498cd34c92c6976bb87ffc01904b17d79a53a3c11a879969371034d", kill_on_drop: false }`
[INFO] [stdout] 5be6499b4498cd34c92c6976bb87ffc01904b17d79a53a3c11a879969371034d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fcb5922b6db438dd603b19ec4261a7a2a7620c065329ab192f1e0afd2d6c9fe9
[INFO] running `Command { std: "docker" "start" "-a" "fcb5922b6db438dd603b19ec4261a7a2a7620c065329ab192f1e0afd2d6c9fe9", 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" "fcb5922b6db438dd603b19ec4261a7a2a7620c065329ab192f1e0afd2d6c9fe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb5922b6db438dd603b19ec4261a7a2a7620c065329ab192f1e0afd2d6c9fe9", kill_on_drop: false }`
[INFO] [stdout] fcb5922b6db438dd603b19ec4261a7a2a7620c065329ab192f1e0afd2d6c9fe9