[INFO] fetching crate type_utils 0.3.0...
[INFO] documenting type_utils-0.3.0 against nightly for scrape-examples
[INFO] extracting crate type_utils 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate type_utils 0.3.0 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate type_utils 0.3.0
[INFO] finished tweaking crates.io crate type_utils 0.3.0
[INFO] tweaked toml for crates.io crate type_utils 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate type_utils 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nullable-result v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e644b28334ac15cd0981e01a7318283407f82422324d98ec2070770ff986d741
[INFO] running `Command { std: "docker" "start" "-a" "e644b28334ac15cd0981e01a7318283407f82422324d98ec2070770ff986d741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e644b28334ac15cd0981e01a7318283407f82422324d98ec2070770ff986d741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e644b28334ac15cd0981e01a7318283407f82422324d98ec2070770ff986d741", kill_on_drop: false }`
[INFO] [stdout] e644b28334ac15cd0981e01a7318283407f82422324d98ec2070770ff986d741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 516c51df352626dac1f8de0b4e38d636c0501411236fa2da58366a6454d750a0
[INFO] running `Command { std: "docker" "start" "-a" "516c51df352626dac1f8de0b4e38d636c0501411236fa2da58366a6454d750a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking nullable-result v0.7.0
[INFO] [stderr]     Checking quote v1.0.15
[INFO] [stderr]  Documenting type_utils v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "516c51df352626dac1f8de0b4e38d636c0501411236fa2da58366a6454d750a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516c51df352626dac1f8de0b4e38d636c0501411236fa2da58366a6454d750a0", kill_on_drop: false }`
[INFO] [stdout] 516c51df352626dac1f8de0b4e38d636c0501411236fa2da58366a6454d750a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4434fd26330668be45c5985b93ff6a1849af817af1e59371995bc9515dd63209
[INFO] running `Command { std: "docker" "start" "-a" "4434fd26330668be45c5985b93ff6a1849af817af1e59371995bc9515dd63209", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting type_utils v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "4434fd26330668be45c5985b93ff6a1849af817af1e59371995bc9515dd63209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4434fd26330668be45c5985b93ff6a1849af817af1e59371995bc9515dd63209", kill_on_drop: false }`
[INFO] [stdout] 4434fd26330668be45c5985b93ff6a1849af817af1e59371995bc9515dd63209