[INFO] fetching crate serde_default 0.1.0...
[INFO] documenting serde_default-0.1.0 against nightly for scrape-examples
[INFO] extracting crate serde_default 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate serde_default 0.1.0 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 serde_default 0.1.0
[INFO] finished tweaking crates.io crate serde_default 0.1.0
[INFO] tweaked toml for crates.io crate serde_default 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate serde_default 0.1.0 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ae4e7b350233fe4c41b8dc0742eac6ecd3f3d2695a20c38d9b0a2d56d6c877dc
[INFO] running `Command { std: "docker" "start" "-a" "ae4e7b350233fe4c41b8dc0742eac6ecd3f3d2695a20c38d9b0a2d56d6c877dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae4e7b350233fe4c41b8dc0742eac6ecd3f3d2695a20c38d9b0a2d56d6c877dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4e7b350233fe4c41b8dc0742eac6ecd3f3d2695a20c38d9b0a2d56d6c877dc", kill_on_drop: false }`
[INFO] [stdout] ae4e7b350233fe4c41b8dc0742eac6ecd3f3d2695a20c38d9b0a2d56d6c877dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f4f7eb681c5aca6b3faca051798606e0a5629cf1b22fa5e0c311c97517bfde62
[INFO] running `Command { std: "docker" "start" "-a" "f4f7eb681c5aca6b3faca051798606e0a5629cf1b22fa5e0c311c97517bfde62", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking quote v1.0.14
[INFO] [stderr]     Checking darling_core v0.13.1
[INFO] [stderr]    Compiling darling_macro v0.13.1
[INFO] [stderr]     Checking darling v0.13.1
[INFO] [stderr]  Documenting serde_default v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.94s
[INFO] running `Command { std: "docker" "inspect" "f4f7eb681c5aca6b3faca051798606e0a5629cf1b22fa5e0c311c97517bfde62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f7eb681c5aca6b3faca051798606e0a5629cf1b22fa5e0c311c97517bfde62", kill_on_drop: false }`
[INFO] [stdout] f4f7eb681c5aca6b3faca051798606e0a5629cf1b22fa5e0c311c97517bfde62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] add3224c7b280d3793dbb7afa46fdcb627bc66808a29c5ef2d06add568071e63
[INFO] running `Command { std: "docker" "start" "-a" "add3224c7b280d3793dbb7afa46fdcb627bc66808a29c5ef2d06add568071e63", kill_on_drop: false }`
[INFO] [stderr]  Documenting serde_default v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "add3224c7b280d3793dbb7afa46fdcb627bc66808a29c5ef2d06add568071e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add3224c7b280d3793dbb7afa46fdcb627bc66808a29c5ef2d06add568071e63", kill_on_drop: false }`
[INFO] [stdout] add3224c7b280d3793dbb7afa46fdcb627bc66808a29c5ef2d06add568071e63