[INFO] cloning repository https://github.com/adtennant/gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adtennant/gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadtennant%2Fgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadtennant%2Fgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2ccd637523ef75adfc1a8f27d55b2095a394c78
[INFO] documenting adtennant/gb 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%2Fadtennant%2Fgb" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adtennant/gb 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/adtennant/gb
[INFO] finished tweaking git repo https://github.com/adtennant/gb
[INFO] tweaked toml for git repo https://github.com/adtennant/gb written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/adtennant/gb 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 2afaea3c27db20231f1483178d98862bed4ccc70451cee299a90a32e30326046
[INFO] running `Command { std: "docker" "start" "-a" "2afaea3c27db20231f1483178d98862bed4ccc70451cee299a90a32e30326046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2afaea3c27db20231f1483178d98862bed4ccc70451cee299a90a32e30326046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2afaea3c27db20231f1483178d98862bed4ccc70451cee299a90a32e30326046", kill_on_drop: false }`
[INFO] [stdout] 2afaea3c27db20231f1483178d98862bed4ccc70451cee299a90a32e30326046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 468cd7c9e68c921d06b6530bd30393fb903904854dfd578af2099f826dffd749
[INFO] running `Command { std: "docker" "start" "-a" "468cd7c9e68c921d06b6530bd30393fb903904854dfd578af2099f826dffd749", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]  Documenting gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "468cd7c9e68c921d06b6530bd30393fb903904854dfd578af2099f826dffd749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468cd7c9e68c921d06b6530bd30393fb903904854dfd578af2099f826dffd749", kill_on_drop: false }`
[INFO] [stdout] 468cd7c9e68c921d06b6530bd30393fb903904854dfd578af2099f826dffd749
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 119412d5880d4154b284e784e8d1bbdcaf4b619c7e37ffcf33d826e3df1d66d8
[INFO] running `Command { std: "docker" "start" "-a" "119412d5880d4154b284e784e8d1bbdcaf4b619c7e37ffcf33d826e3df1d66d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]  Documenting gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.23s
[INFO] running `Command { std: "docker" "inspect" "119412d5880d4154b284e784e8d1bbdcaf4b619c7e37ffcf33d826e3df1d66d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119412d5880d4154b284e784e8d1bbdcaf4b619c7e37ffcf33d826e3df1d66d8", kill_on_drop: false }`
[INFO] [stdout] 119412d5880d4154b284e784e8d1bbdcaf4b619c7e37ffcf33d826e3df1d66d8