[INFO] cloning repository https://github.com/olegnn/union
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olegnn/union" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folegnn%2Funion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8ac7386e99b72ad20878df734d675e5cb3af8a1
[INFO] documenting olegnn/union 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%2Folegnn%2Funion" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olegnn/union 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/olegnn/union
[INFO] finished tweaking git repo https://github.com/olegnn/union
[INFO] tweaked toml for git repo https://github.com/olegnn/union written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/olegnn/union 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] fcf3d27ebadc0f1fc55c763ce0913b3ee50945b05cd73f31dac73973e4675497
[INFO] running `Command { std: "docker" "start" "-a" "fcf3d27ebadc0f1fc55c763ce0913b3ee50945b05cd73f31dac73973e4675497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf3d27ebadc0f1fc55c763ce0913b3ee50945b05cd73f31dac73973e4675497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf3d27ebadc0f1fc55c763ce0913b3ee50945b05cd73f31dac73973e4675497", kill_on_drop: false }`
[INFO] [stdout] fcf3d27ebadc0f1fc55c763ce0913b3ee50945b05cd73f31dac73973e4675497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 42ed8d4e28f1d053be077357750e8c8eb9c4db9e48d0a5de9da70793df0e9873
[INFO] running `Command { std: "docker" "start" "-a" "42ed8d4e28f1d053be077357750e8c8eb9c4db9e48d0a5de9da70793df0e9873", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling union_impl v0.1.3 (/opt/rustwide/workdir/union_impl)
[INFO] [stderr]  Documenting union_impl v0.1.3 (/opt/rustwide/workdir/union_impl)
[INFO] [stderr]  Documenting union_export v0.1.3 (/opt/rustwide/workdir/union_export)
[INFO] [stderr]    Compiling union_export v0.1.3 (/opt/rustwide/workdir/union_export)
[INFO] [stderr]  Documenting union v0.1.7 (/opt/rustwide/workdir/union)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "42ed8d4e28f1d053be077357750e8c8eb9c4db9e48d0a5de9da70793df0e9873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ed8d4e28f1d053be077357750e8c8eb9c4db9e48d0a5de9da70793df0e9873", kill_on_drop: false }`
[INFO] [stdout] 42ed8d4e28f1d053be077357750e8c8eb9c4db9e48d0a5de9da70793df0e9873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] [stdout] 68266c39c915a6a76d56a6ce506e3213ea35e00216e55060a7115294841f37ad
[INFO] running `Command { std: "docker" "start" "-a" "68266c39c915a6a76d56a6ce506e3213ea35e00216e55060a7115294841f37ad", 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" "68266c39c915a6a76d56a6ce506e3213ea35e00216e55060a7115294841f37ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68266c39c915a6a76d56a6ce506e3213ea35e00216e55060a7115294841f37ad", kill_on_drop: false }`
[INFO] [stdout] 68266c39c915a6a76d56a6ce506e3213ea35e00216e55060a7115294841f37ad