[INFO] fetching crate fondant_derive 0.1.1...
[INFO] documenting fondant_derive-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate fondant_derive 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fondant_derive 0.1.1 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 fondant_derive 0.1.1
[INFO] finished tweaking crates.io crate fondant_derive 0.1.1
[INFO] tweaked toml for crates.io crate fondant_derive 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4a2b52864855bd8fce66e022c8fa981cf9df9896b5172fa9bc5f9e4433089dfc
[INFO] running `Command { std: "docker" "start" "-a" "4a2b52864855bd8fce66e022c8fa981cf9df9896b5172fa9bc5f9e4433089dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2b52864855bd8fce66e022c8fa981cf9df9896b5172fa9bc5f9e4433089dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2b52864855bd8fce66e022c8fa981cf9df9896b5172fa9bc5f9e4433089dfc", kill_on_drop: false }`
[INFO] [stdout] 4a2b52864855bd8fce66e022c8fa981cf9df9896b5172fa9bc5f9e4433089dfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 00b4c1a6d5ec554dd1672f601ad66097fcb744d3efe5e6c2eaadc1151687f828
[INFO] running `Command { std: "docker" "start" "-a" "00b4c1a6d5ec554dd1672f601ad66097fcb744d3efe5e6c2eaadc1151687f828", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting fondant_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "00b4c1a6d5ec554dd1672f601ad66097fcb744d3efe5e6c2eaadc1151687f828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b4c1a6d5ec554dd1672f601ad66097fcb744d3efe5e6c2eaadc1151687f828", kill_on_drop: false }`
[INFO] [stdout] 00b4c1a6d5ec554dd1672f601ad66097fcb744d3efe5e6c2eaadc1151687f828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 83c710c5decf6b2ee856a24ee37ff49033803410727f2856e5fe4574cc3cfb52
[INFO] running `Command { std: "docker" "start" "-a" "83c710c5decf6b2ee856a24ee37ff49033803410727f2856e5fe4574cc3cfb52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]  Documenting fondant_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "83c710c5decf6b2ee856a24ee37ff49033803410727f2856e5fe4574cc3cfb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c710c5decf6b2ee856a24ee37ff49033803410727f2856e5fe4574cc3cfb52", kill_on_drop: false }`
[INFO] [stdout] 83c710c5decf6b2ee856a24ee37ff49033803410727f2856e5fe4574cc3cfb52