[INFO] fetching crate btf-derive 0.3.2...
[INFO] documenting btf-derive-0.3.2 against nightly for scrape-examples
[INFO] extracting crate btf-derive 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate btf-derive 0.3.2 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 btf-derive 0.3.2
[INFO] finished tweaking crates.io crate btf-derive 0.3.2
[INFO] tweaked toml for crates.io crate btf-derive 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate btf-derive 0.3.2 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 darling_core v0.14.2
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded btf v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 05868e854bf06b4a93277317dbe36864834a4661b22366457b9512993c1c549a
[INFO] running `Command { std: "docker" "start" "-a" "05868e854bf06b4a93277317dbe36864834a4661b22366457b9512993c1c549a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05868e854bf06b4a93277317dbe36864834a4661b22366457b9512993c1c549a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05868e854bf06b4a93277317dbe36864834a4661b22366457b9512993c1c549a", kill_on_drop: false }`
[INFO] [stdout] 05868e854bf06b4a93277317dbe36864834a4661b22366457b9512993c1c549a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] add8df7785c985a6f5d687f13c41bd4b17e84458144e82242694f42a10405f08
[INFO] running `Command { std: "docker" "start" "-a" "add8df7785c985a6f5d687f13c41bd4b17e84458144e82242694f42a10405f08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking btf v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking darling_core v0.14.2
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]     Checking darling v0.14.2
[INFO] [stderr]  Documenting btf-derive v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "add8df7785c985a6f5d687f13c41bd4b17e84458144e82242694f42a10405f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add8df7785c985a6f5d687f13c41bd4b17e84458144e82242694f42a10405f08", kill_on_drop: false }`
[INFO] [stdout] add8df7785c985a6f5d687f13c41bd4b17e84458144e82242694f42a10405f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ae9da56b45ad4dc2b7c1238fc455f243bb7f1c1ff6cc10ef3003e56ea8bf08bc
[INFO] running `Command { std: "docker" "start" "-a" "ae9da56b45ad4dc2b7c1238fc455f243bb7f1c1ff6cc10ef3003e56ea8bf08bc", kill_on_drop: false }`
[INFO] [stderr]  Documenting btf-derive v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "ae9da56b45ad4dc2b7c1238fc455f243bb7f1c1ff6cc10ef3003e56ea8bf08bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9da56b45ad4dc2b7c1238fc455f243bb7f1c1ff6cc10ef3003e56ea8bf08bc", kill_on_drop: false }`
[INFO] [stdout] ae9da56b45ad4dc2b7c1238fc455f243bb7f1c1ff6cc10ef3003e56ea8bf08bc