[INFO] fetching crate puzz-core 0.1.0...
[INFO] documenting puzz-core-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate puzz-core 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate puzz-core 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 puzz-core 0.1.0
[INFO] finished tweaking crates.io crate puzz-core 0.1.0
[INFO] tweaked toml for crates.io crate puzz-core 0.1.0 written to /workspace/builds/worker-7/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] 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6d14c66aba94524f2ac30d7d98311c5242e68ac3ad42e9e6bf613575fdf9af55
[INFO] running `Command { std: "docker" "start" "-a" "6d14c66aba94524f2ac30d7d98311c5242e68ac3ad42e9e6bf613575fdf9af55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d14c66aba94524f2ac30d7d98311c5242e68ac3ad42e9e6bf613575fdf9af55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d14c66aba94524f2ac30d7d98311c5242e68ac3ad42e9e6bf613575fdf9af55", kill_on_drop: false }`
[INFO] [stdout] 6d14c66aba94524f2ac30d7d98311c5242e68ac3ad42e9e6bf613575fdf9af55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 44d90f719e84cec571c788e1ec911723d745184ec0ba3746e8f2e89a459bd569
[INFO] running `Command { std: "docker" "start" "-a" "44d90f719e84cec571c788e1ec911723d745184ec0ba3746e8f2e89a459bd569", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]  Documenting puzz-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "44d90f719e84cec571c788e1ec911723d745184ec0ba3746e8f2e89a459bd569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d90f719e84cec571c788e1ec911723d745184ec0ba3746e8f2e89a459bd569", kill_on_drop: false }`
[INFO] [stdout] 44d90f719e84cec571c788e1ec911723d745184ec0ba3746e8f2e89a459bd569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0249c34ab63d79268028f1da41a5c101cc43bb8c19c0f791413fb29ce6a86efe
[INFO] running `Command { std: "docker" "start" "-a" "0249c34ab63d79268028f1da41a5c101cc43bb8c19c0f791413fb29ce6a86efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking puzz-http v0.1.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking puzz-service v0.1.0
[INFO] [stderr]  Documenting puzz-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "0249c34ab63d79268028f1da41a5c101cc43bb8c19c0f791413fb29ce6a86efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0249c34ab63d79268028f1da41a5c101cc43bb8c19c0f791413fb29ce6a86efe", kill_on_drop: false }`
[INFO] [stdout] 0249c34ab63d79268028f1da41a5c101cc43bb8c19c0f791413fb29ce6a86efe