[INFO] fetching crate markup 0.13.0...
[INFO] documenting markup-0.13.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate markup 0.13.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate markup 0.13.0 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 markup 0.13.0
[INFO] finished tweaking crates.io crate markup 0.13.0
[INFO] tweaked toml for crates.io crate markup 0.13.0 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate markup 0.13.0 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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] bf9614efec7f9afa824710eaa0c8cd68b3949035de8645e51eaf6c347bbd3655
[INFO] running `Command { std: "docker" "start" "-a" "bf9614efec7f9afa824710eaa0c8cd68b3949035de8645e51eaf6c347bbd3655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9614efec7f9afa824710eaa0c8cd68b3949035de8645e51eaf6c347bbd3655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9614efec7f9afa824710eaa0c8cd68b3949035de8645e51eaf6c347bbd3655", kill_on_drop: false }`
[INFO] [stdout] bf9614efec7f9afa824710eaa0c8cd68b3949035de8645e51eaf6c347bbd3655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 11f39dbb9883ae3d4430203b195b1a759be4d5e352ce4b8244e6385102af6cc8
[INFO] running `Command { std: "docker" "start" "-a" "11f39dbb9883ae3d4430203b195b1a759be4d5e352ce4b8244e6385102af6cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling markup-proc-macro v0.13.0
[INFO] [stderr]  Documenting markup v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.24s
[INFO] running `Command { std: "docker" "inspect" "11f39dbb9883ae3d4430203b195b1a759be4d5e352ce4b8244e6385102af6cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f39dbb9883ae3d4430203b195b1a759be4d5e352ce4b8244e6385102af6cc8", kill_on_drop: false }`
[INFO] [stdout] 11f39dbb9883ae3d4430203b195b1a759be4d5e352ce4b8244e6385102af6cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 6191f00cfd651f12f194d792b1d4ef74fa97cb07f353172b7622343808af624f
[INFO] running `Command { std: "docker" "start" "-a" "6191f00cfd651f12f194d792b1d4ef74fa97cb07f353172b7622343808af624f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling markup-proc-macro v0.13.0
[INFO] [stderr]  Documenting markup v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "6191f00cfd651f12f194d792b1d4ef74fa97cb07f353172b7622343808af624f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6191f00cfd651f12f194d792b1d4ef74fa97cb07f353172b7622343808af624f", kill_on_drop: false }`
[INFO] [stdout] 6191f00cfd651f12f194d792b1d4ef74fa97cb07f353172b7622343808af624f