[INFO] fetching crate flatten-serde-json 0.1.0...
[INFO] documenting flatten-serde-json-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate flatten-serde-json 0.1.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate flatten-serde-json 0.1.0 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 crates.io crate flatten-serde-json 0.1.0
[INFO] finished tweaking crates.io crate flatten-serde-json 0.1.0
[INFO] tweaked toml for crates.io crate flatten-serde-json 0.1.0 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate crates.io crate flatten-serde-json 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 338ddc5866a664ba612b609b8fa27919f0a7521826fae77090681772a3cab590
[INFO] running `Command { std: "docker" "start" "-a" "338ddc5866a664ba612b609b8fa27919f0a7521826fae77090681772a3cab590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "338ddc5866a664ba612b609b8fa27919f0a7521826fae77090681772a3cab590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "338ddc5866a664ba612b609b8fa27919f0a7521826fae77090681772a3cab590", kill_on_drop: false }`
[INFO] [stdout] 338ddc5866a664ba612b609b8fa27919f0a7521826fae77090681772a3cab590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 9b69620bbff092b99c1f6d3ba7658038a0014a0eb41dc7a0f4b41cbe086f324a
[INFO] running `Command { std: "docker" "start" "-a" "9b69620bbff092b99c1f6d3ba7658038a0014a0eb41dc7a0f4b41cbe086f324a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]  Documenting flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "9b69620bbff092b99c1f6d3ba7658038a0014a0eb41dc7a0f4b41cbe086f324a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b69620bbff092b99c1f6d3ba7658038a0014a0eb41dc7a0f4b41cbe086f324a", kill_on_drop: false }`
[INFO] [stdout] 9b69620bbff092b99c1f6d3ba7658038a0014a0eb41dc7a0f4b41cbe086f324a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 83991f70c456bca15b4a365d8b3882fceb6bb59256f5ef66e5a888935d312ce6
[INFO] running `Command { std: "docker" "start" "-a" "83991f70c456bca15b4a365d8b3882fceb6bb59256f5ef66e5a888935d312ce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]  Documenting flatten-serde-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "83991f70c456bca15b4a365d8b3882fceb6bb59256f5ef66e5a888935d312ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83991f70c456bca15b4a365d8b3882fceb6bb59256f5ef66e5a888935d312ce6", kill_on_drop: false }`
[INFO] [stdout] 83991f70c456bca15b4a365d8b3882fceb6bb59256f5ef66e5a888935d312ce6