[INFO] cloning repository https://github.com/LiWenGu/learing-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiWenGu/learing-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiWenGu%2Flearing-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiWenGu%2Flearing-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1018016a1d796e913f4132017e0b754036fa4939
[INFO] documenting LiWenGu/learing-rust 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%2FLiWenGu%2Flearing-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiWenGu/learing-rust 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/LiWenGu/learing-rust
[INFO] finished tweaking git repo https://github.com/LiWenGu/learing-rust
[INFO] tweaked toml for git repo https://github.com/LiWenGu/learing-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/LiWenGu/learing-rust 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cff790a074892908ea6e4c6e32f056b1d076aea238f9d3abdb992441ac4217a7
[INFO] running `Command { std: "docker" "start" "-a" "cff790a074892908ea6e4c6e32f056b1d076aea238f9d3abdb992441ac4217a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff790a074892908ea6e4c6e32f056b1d076aea238f9d3abdb992441ac4217a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff790a074892908ea6e4c6e32f056b1d076aea238f9d3abdb992441ac4217a7", kill_on_drop: false }`
[INFO] [stdout] cff790a074892908ea6e4c6e32f056b1d076aea238f9d3abdb992441ac4217a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b9581fc1c7f2bbe8e67b1d44a36717d772704eb47e67c544586231e69145ea90
[INFO] running `Command { std: "docker" "start" "-a" "b9581fc1c7f2bbe8e67b1d44a36717d772704eb47e67c544586231e69145ea90", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]  Documenting hello_macro v0.1.0 (/opt/rustwide/workdir/hello_macro)
[INFO] [stderr]  Documenting advance-feature v0.1.0 (/opt/rustwide/workdir/advance-feature)
[INFO] [stderr]  Documenting object-feature v0.1.0 (/opt/rustwide/workdir/object-feature)
[INFO] [stderr]  Documenting intelligent-point v0.1.0 (/opt/rustwide/workdir/intelligent-point)
[INFO] [stderr]  Documenting fearless-concurrent v0.1.0 (/opt/rustwide/workdir/fearless-concurrent)
[INFO] [stderr]  Documenting web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking add-one v0.1.0 (/opt/rustwide/workdir/add-one)
[INFO] [stderr]  Documenting add-one v0.1.0 (/opt/rustwide/workdir/add-one)
[INFO] [stderr]  Documenting adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]  Documenting hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]    Compiling hello_macro_derive v0.1.0 (/opt/rustwide/workdir/hello_macro/hello_macro_derive)
[INFO] [stderr]  Documenting pancakes v0.1.0 (/opt/rustwide/workdir/pancakes)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.54s
[INFO] running `Command { std: "docker" "inspect" "b9581fc1c7f2bbe8e67b1d44a36717d772704eb47e67c544586231e69145ea90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9581fc1c7f2bbe8e67b1d44a36717d772704eb47e67c544586231e69145ea90", kill_on_drop: false }`
[INFO] [stdout] b9581fc1c7f2bbe8e67b1d44a36717d772704eb47e67c544586231e69145ea90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5d3c5a85515ed118c492858fb17b4f08769ea559381b673c92e7dcba6b5d2d31
[INFO] running `Command { std: "docker" "start" "-a" "5d3c5a85515ed118c492858fb17b4f08769ea559381b673c92e7dcba6b5d2d31", 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" "5d3c5a85515ed118c492858fb17b4f08769ea559381b673c92e7dcba6b5d2d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3c5a85515ed118c492858fb17b4f08769ea559381b673c92e7dcba6b5d2d31", kill_on_drop: false }`
[INFO] [stdout] 5d3c5a85515ed118c492858fb17b4f08769ea559381b673c92e7dcba6b5d2d31