[INFO] cloning repository https://github.com/duxet/json-dereferencer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duxet/json-dereferencer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduxet%2Fjson-dereferencer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduxet%2Fjson-dereferencer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a60b71f3cafba3c346edf8b7bd0cef08549505cb
[INFO] documenting duxet/json-dereferencer 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%2Fduxet%2Fjson-dereferencer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duxet/json-dereferencer 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/duxet/json-dereferencer
[INFO] finished tweaking git repo https://github.com/duxet/json-dereferencer
[INFO] tweaked toml for git repo https://github.com/duxet/json-dereferencer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/duxet/json-dereferencer 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 3b73918f8bbd237856fc4a7debcfed0b31cd2b854e588f4af2247bb8d5ae054a
[INFO] running `Command { std: "docker" "start" "-a" "3b73918f8bbd237856fc4a7debcfed0b31cd2b854e588f4af2247bb8d5ae054a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b73918f8bbd237856fc4a7debcfed0b31cd2b854e588f4af2247bb8d5ae054a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b73918f8bbd237856fc4a7debcfed0b31cd2b854e588f4af2247bb8d5ae054a", kill_on_drop: false }`
[INFO] [stdout] 3b73918f8bbd237856fc4a7debcfed0b31cd2b854e588f4af2247bb8d5ae054a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 530b8cc64d3edf5dfd22e59b6bc2264398a9927fb4ce2759b4cd5349bec58fe5
[INFO] running `Command { std: "docker" "start" "-a" "530b8cc64d3edf5dfd22e59b6bc2264398a9927fb4ce2759b4cd5349bec58fe5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.7.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking serde v1.0.2
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking clap v2.23.2
[INFO] [stderr]     Checking serde_json v1.0.1
[INFO] [stderr]  Documenting json-dereferencer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.00s
[INFO] running `Command { std: "docker" "inspect" "530b8cc64d3edf5dfd22e59b6bc2264398a9927fb4ce2759b4cd5349bec58fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530b8cc64d3edf5dfd22e59b6bc2264398a9927fb4ce2759b4cd5349bec58fe5", kill_on_drop: false }`
[INFO] [stdout] 530b8cc64d3edf5dfd22e59b6bc2264398a9927fb4ce2759b4cd5349bec58fe5