[INFO] fetching crate safe-goto 0.2.0...
[INFO] documenting safe-goto-0.2.0 against nightly for scrape-examples
[INFO] extracting crate safe-goto 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate safe-goto 0.2.0 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 safe-goto 0.2.0
[INFO] finished tweaking crates.io crate safe-goto 0.2.0
[INFO] tweaked toml for crates.io crate safe-goto 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate safe-goto 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2d06ba5e36f31d5ac5e7bce0b2ddf9c3a1eee9d52c06897a4966d55a950d836f
[INFO] running `Command { std: "docker" "start" "-a" "2d06ba5e36f31d5ac5e7bce0b2ddf9c3a1eee9d52c06897a4966d55a950d836f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d06ba5e36f31d5ac5e7bce0b2ddf9c3a1eee9d52c06897a4966d55a950d836f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d06ba5e36f31d5ac5e7bce0b2ddf9c3a1eee9d52c06897a4966d55a950d836f", kill_on_drop: false }`
[INFO] [stdout] 2d06ba5e36f31d5ac5e7bce0b2ddf9c3a1eee9d52c06897a4966d55a950d836f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1fb020abb470030e85bcf6b9b69aa4bc608a5472fecbbbba30a3c9350e13cd82
[INFO] running `Command { std: "docker" "start" "-a" "1fb020abb470030e85bcf6b9b69aa4bc608a5472fecbbbba30a3c9350e13cd82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]     Checking unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]  Documenting safe-goto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "1fb020abb470030e85bcf6b9b69aa4bc608a5472fecbbbba30a3c9350e13cd82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb020abb470030e85bcf6b9b69aa4bc608a5472fecbbbba30a3c9350e13cd82", kill_on_drop: false }`
[INFO] [stdout] 1fb020abb470030e85bcf6b9b69aa4bc608a5472fecbbbba30a3c9350e13cd82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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: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] 8f74a68d0974d96c7fedc750bb7d0ed4bd07c7ee49b81f8abb249cd53ff01ceb
[INFO] running `Command { std: "docker" "start" "-a" "8f74a68d0974d96c7fedc750bb7d0ed4bd07c7ee49b81f8abb249cd53ff01ceb", kill_on_drop: false }`
[INFO] [stderr]  Documenting safe-goto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "8f74a68d0974d96c7fedc750bb7d0ed4bd07c7ee49b81f8abb249cd53ff01ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f74a68d0974d96c7fedc750bb7d0ed4bd07c7ee49b81f8abb249cd53ff01ceb", kill_on_drop: false }`
[INFO] [stdout] 8f74a68d0974d96c7fedc750bb7d0ed4bd07c7ee49b81f8abb249cd53ff01ceb