[INFO] cloning repository https://github.com/ralvescosta/rust_for_rustaceans_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ralvescosta/rust_for_rustaceans_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralvescosta%2Frust_for_rustaceans_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fralvescosta%2Frust_for_rustaceans_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2a83ec1d8c4c38a828faddad2ce485b7599c83f
[INFO] documenting ralvescosta/rust_for_rustaceans_book 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%2Fralvescosta%2Frust_for_rustaceans_book" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ralvescosta/rust_for_rustaceans_book 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/ralvescosta/rust_for_rustaceans_book
[INFO] finished tweaking git repo https://github.com/ralvescosta/rust_for_rustaceans_book
[INFO] tweaked toml for git repo https://github.com/ralvescosta/rust_for_rustaceans_book written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ralvescosta/rust_for_rustaceans_book 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 411d1ad05ebd9d86576a20109042dd8084c9892a495df947d662b12b911df9e0
[INFO] running `Command { std: "docker" "start" "-a" "411d1ad05ebd9d86576a20109042dd8084c9892a495df947d662b12b911df9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411d1ad05ebd9d86576a20109042dd8084c9892a495df947d662b12b911df9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411d1ad05ebd9d86576a20109042dd8084c9892a495df947d662b12b911df9e0", kill_on_drop: false }`
[INFO] [stdout] 411d1ad05ebd9d86576a20109042dd8084c9892a495df947d662b12b911df9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9ee867aa515ba0049f2c13b765d8cb581caf115831fe5b255ce2b96b9462dd72
[INFO] running `Command { std: "docker" "start" "-a" "9ee867aa515ba0049f2c13b765d8cb581caf115831fe5b255ce2b96b9462dd72", kill_on_drop: false }`
[INFO] [stderr]  Documenting chapter_one v0.1.0 (/opt/rustwide/workdir/chapter_one)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "9ee867aa515ba0049f2c13b765d8cb581caf115831fe5b255ce2b96b9462dd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee867aa515ba0049f2c13b765d8cb581caf115831fe5b255ce2b96b9462dd72", kill_on_drop: false }`
[INFO] [stdout] 9ee867aa515ba0049f2c13b765d8cb581caf115831fe5b255ce2b96b9462dd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] b2bc3e5a7c61160c7dbc06f93eed00c66b5483cb4425eda7ed7800281dd08551
[INFO] running `Command { std: "docker" "start" "-a" "b2bc3e5a7c61160c7dbc06f93eed00c66b5483cb4425eda7ed7800281dd08551", 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" "b2bc3e5a7c61160c7dbc06f93eed00c66b5483cb4425eda7ed7800281dd08551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2bc3e5a7c61160c7dbc06f93eed00c66b5483cb4425eda7ed7800281dd08551", kill_on_drop: false }`
[INFO] [stdout] b2bc3e5a7c61160c7dbc06f93eed00c66b5483cb4425eda7ed7800281dd08551