[INFO] cloning repository https://github.com/dalance/custom_attribute_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dalance/custom_attribute_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fcustom_attribute_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdalance%2Fcustom_attribute_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d22a61c2a7d0a557362ea362eef652ee9229883
[INFO] documenting dalance/custom_attribute_sample 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%2Fdalance%2Fcustom_attribute_sample" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dalance/custom_attribute_sample 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/dalance/custom_attribute_sample
[INFO] finished tweaking git repo https://github.com/dalance/custom_attribute_sample
[INFO] tweaked toml for git repo https://github.com/dalance/custom_attribute_sample written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dalance/custom_attribute_sample 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 74a7d4d335c5fa277df034eaf497e793d15cd5d0fa0d06b27b1d49aa9659f0b8
[INFO] running `Command { std: "docker" "start" "-a" "74a7d4d335c5fa277df034eaf497e793d15cd5d0fa0d06b27b1d49aa9659f0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a7d4d335c5fa277df034eaf497e793d15cd5d0fa0d06b27b1d49aa9659f0b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a7d4d335c5fa277df034eaf497e793d15cd5d0fa0d06b27b1d49aa9659f0b8", kill_on_drop: false }`
[INFO] [stdout] 74a7d4d335c5fa277df034eaf497e793d15cd5d0fa0d06b27b1d49aa9659f0b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2b9bae51ded12937be091fd4a618b63873e6f254c4840d1a88408de942357d55
[INFO] running `Command { std: "docker" "start" "-a" "2b9bae51ded12937be091fd4a618b63873e6f254c4840d1a88408de942357d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling trace v0.1.0 (/opt/rustwide/workdir/trace)
[INFO] [stderr]  Documenting custom_attribute_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "2b9bae51ded12937be091fd4a618b63873e6f254c4840d1a88408de942357d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9bae51ded12937be091fd4a618b63873e6f254c4840d1a88408de942357d55", kill_on_drop: false }`
[INFO] [stdout] 2b9bae51ded12937be091fd4a618b63873e6f254c4840d1a88408de942357d55