[INFO] cloning repository https://github.com/akabinds/rust-book-io-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akabinds/rust-book-io-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakabinds%2Frust-book-io-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakabinds%2Frust-book-io-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbbf8c6bc73412c84028304e78af29b5c2f16505
[INFO] documenting akabinds/rust-book-io-project against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakabinds%2Frust-book-io-project" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akabinds/rust-book-io-project on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akabinds/rust-book-io-project
[INFO] finished tweaking git repo https://github.com/akabinds/rust-book-io-project
[INFO] tweaked toml for git repo https://github.com/akabinds/rust-book-io-project written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/akabinds/rust-book-io-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1975ff59dfe7245813c4c2b18e8697b7a867d10e12f848d3c86f55384f6d8ffa
[INFO] running `Command { std: "docker" "start" "-a" "1975ff59dfe7245813c4c2b18e8697b7a867d10e12f848d3c86f55384f6d8ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1975ff59dfe7245813c4c2b18e8697b7a867d10e12f848d3c86f55384f6d8ffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1975ff59dfe7245813c4c2b18e8697b7a867d10e12f848d3c86f55384f6d8ffa", kill_on_drop: false }`
[INFO] [stdout] 1975ff59dfe7245813c4c2b18e8697b7a867d10e12f848d3c86f55384f6d8ffa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf82fff2c97742d5521e42102195498b5b13e1362b68f842e6f9b79222c1b32
[INFO] running `Command { std: "docker" "start" "-a" "ccf82fff2c97742d5521e42102195498b5b13e1362b68f842e6f9b79222c1b32", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-book-io-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "ccf82fff2c97742d5521e42102195498b5b13e1362b68f842e6f9b79222c1b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf82fff2c97742d5521e42102195498b5b13e1362b68f842e6f9b79222c1b32", kill_on_drop: false }`
[INFO] [stdout] ccf82fff2c97742d5521e42102195498b5b13e1362b68f842e6f9b79222c1b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 53191e02b91885aef4089f6723079f6b893a5108c8420363e33e60195830be94
[INFO] running `Command { std: "docker" "start" "-a" "53191e02b91885aef4089f6723079f6b893a5108c8420363e33e60195830be94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting rust-book-io-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "53191e02b91885aef4089f6723079f6b893a5108c8420363e33e60195830be94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53191e02b91885aef4089f6723079f6b893a5108c8420363e33e60195830be94", kill_on_drop: false }`
[INFO] [stdout] 53191e02b91885aef4089f6723079f6b893a5108c8420363e33e60195830be94