[INFO] fetching crate urpc 0.2.0...
[INFO] documenting urpc-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate urpc 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate urpc 0.2.0 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 urpc 0.2.0
[INFO] finished tweaking crates.io crate urpc 0.2.0
[INFO] tweaked toml for crates.io crate urpc 0.2.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate urpc 0.2.0 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded postcard-cobs v0.1.5-pre
[INFO] [stderr]   Downloaded heapless v0.5.1
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded as-slice v0.1.0
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded postcard v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] d3f30c29d4d9771b1b24b667ef597c6a9e5af4180cb381b3dbf2d7d4f29403ad
[INFO] running `Command { std: "docker" "start" "-a" "d3f30c29d4d9771b1b24b667ef597c6a9e5af4180cb381b3dbf2d7d4f29403ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3f30c29d4d9771b1b24b667ef597c6a9e5af4180cb381b3dbf2d7d4f29403ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f30c29d4d9771b1b24b667ef597c6a9e5af4180cb381b3dbf2d7d4f29403ad", kill_on_drop: false }`
[INFO] [stdout] d3f30c29d4d9771b1b24b667ef597c6a9e5af4180cb381b3dbf2d7d4f29403ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] a803a25f7d5e3701d4c359d05dc8e18009dd5c18050d9e5efeab5bad1bb60269
[INFO] running `Command { std: "docker" "start" "-a" "a803a25f7d5e3701d4c359d05dc8e18009dd5c18050d9e5efeab5bad1bb60269", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking postcard v0.4.2
[INFO] [stderr]  Documenting urpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "a803a25f7d5e3701d4c359d05dc8e18009dd5c18050d9e5efeab5bad1bb60269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a803a25f7d5e3701d4c359d05dc8e18009dd5c18050d9e5efeab5bad1bb60269", kill_on_drop: false }`
[INFO] [stdout] a803a25f7d5e3701d4c359d05dc8e18009dd5c18050d9e5efeab5bad1bb60269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 930eb8d596f6865b1fc1cbf67573c156dab467f251d9636b03aae38b75f02059
[INFO] running `Command { std: "docker" "start" "-a" "930eb8d596f6865b1fc1cbf67573c156dab467f251d9636b03aae38b75f02059", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling heapless v0.5.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking postcard v0.4.2
[INFO] [stderr]  Documenting urpc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "930eb8d596f6865b1fc1cbf67573c156dab467f251d9636b03aae38b75f02059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930eb8d596f6865b1fc1cbf67573c156dab467f251d9636b03aae38b75f02059", kill_on_drop: false }`
[INFO] [stdout] 930eb8d596f6865b1fc1cbf67573c156dab467f251d9636b03aae38b75f02059