[INFO] fetching crate puzz-middleware 0.1.0...
[INFO] documenting puzz-middleware-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate puzz-middleware 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate puzz-middleware 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-middleware 0.1.0
[INFO] finished tweaking crates.io crate puzz-middleware 0.1.0
[INFO] tweaked toml for crates.io crate puzz-middleware 0.1.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 666b62f524e308a88d356fbdf8f3ba6c22acb06d3266738bf784426237b80625
[INFO] running `Command { std: "docker" "start" "-a" "666b62f524e308a88d356fbdf8f3ba6c22acb06d3266738bf784426237b80625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666b62f524e308a88d356fbdf8f3ba6c22acb06d3266738bf784426237b80625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666b62f524e308a88d356fbdf8f3ba6c22acb06d3266738bf784426237b80625", kill_on_drop: false }`
[INFO] [stdout] 666b62f524e308a88d356fbdf8f3ba6c22acb06d3266738bf784426237b80625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 665d9988c74b965f9baaa72195cfd0def46b8f049dcc2754cf6a53b3994b8a2b
[INFO] running `Command { std: "docker" "start" "-a" "665d9988c74b965f9baaa72195cfd0def46b8f049dcc2754cf6a53b3994b8a2b", 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]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]    Compiling quote v1.0.18
[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]     Checking puzz-core v0.1.0
[INFO] [stderr]  Documenting puzz-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "665d9988c74b965f9baaa72195cfd0def46b8f049dcc2754cf6a53b3994b8a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665d9988c74b965f9baaa72195cfd0def46b8f049dcc2754cf6a53b3994b8a2b", kill_on_drop: false }`
[INFO] [stdout] 665d9988c74b965f9baaa72195cfd0def46b8f049dcc2754cf6a53b3994b8a2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2279d47db2a3f4d3116098d9013c6b270be304b5bb436f0ff1f29624c9800ee7
[INFO] running `Command { std: "docker" "start" "-a" "2279d47db2a3f4d3116098d9013c6b270be304b5bb436f0ff1f29624c9800ee7", 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 bytes v1.1.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.6
[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]    Compiling quote v1.0.18
[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]     Checking puzz-core v0.1.0
[INFO] [stderr]  Documenting puzz-middleware v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] running `Command { std: "docker" "inspect" "2279d47db2a3f4d3116098d9013c6b270be304b5bb436f0ff1f29624c9800ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2279d47db2a3f4d3116098d9013c6b270be304b5bb436f0ff1f29624c9800ee7", kill_on_drop: false }`
[INFO] [stdout] 2279d47db2a3f4d3116098d9013c6b270be304b5bb436f0ff1f29624c9800ee7