[INFO] fetching crate arctk-proc 0.4.3...
[INFO] documenting arctk-proc-0.4.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate arctk-proc 0.4.3 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate arctk-proc 0.4.3 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arctk-proc 0.4.3
[INFO] finished tweaking crates.io crate arctk-proc 0.4.3
[INFO] tweaked toml for crates.io crate arctk-proc 0.4.3 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 205c5a1b12469aebd4ad9c59c1350f8e68205227cc537ee62c9938e0c931d41d
[INFO] running `Command { std: "docker" "start" "-a" "205c5a1b12469aebd4ad9c59c1350f8e68205227cc537ee62c9938e0c931d41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "205c5a1b12469aebd4ad9c59c1350f8e68205227cc537ee62c9938e0c931d41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205c5a1b12469aebd4ad9c59c1350f8e68205227cc537ee62c9938e0c931d41d", kill_on_drop: false }`
[INFO] [stdout] 205c5a1b12469aebd4ad9c59c1350f8e68205227cc537ee62c9938e0c931d41d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db548b2fca45703b5144c65ae96d209f460a4c1a2f288a93e178832713a60fb3
[INFO] running `Command { std: "docker" "start" "-a" "db548b2fca45703b5144c65ae96d209f460a4c1a2f288a93e178832713a60fb3", 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 arctk-proc v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "db548b2fca45703b5144c65ae96d209f460a4c1a2f288a93e178832713a60fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db548b2fca45703b5144c65ae96d209f460a4c1a2f288a93e178832713a60fb3", kill_on_drop: false }`
[INFO] [stdout] db548b2fca45703b5144c65ae96d209f460a4c1a2f288a93e178832713a60fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9d57a3aef35d7f76a773c5cb4b6b45d1eb80c2903676e0125e4c5f44b48b262f
[INFO] running `Command { std: "docker" "start" "-a" "9d57a3aef35d7f76a773c5cb4b6b45d1eb80c2903676e0125e4c5f44b48b262f", 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 arctk-proc v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "9d57a3aef35d7f76a773c5cb4b6b45d1eb80c2903676e0125e4c5f44b48b262f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d57a3aef35d7f76a773c5cb4b6b45d1eb80c2903676e0125e4c5f44b48b262f", kill_on_drop: false }`
[INFO] [stdout] 9d57a3aef35d7f76a773c5cb4b6b45d1eb80c2903676e0125e4c5f44b48b262f