[INFO] fetching crate derive-enum-error 0.0.1...
[INFO] documenting derive-enum-error-0.0.1 against nightly for scrape-examples
[INFO] extracting crate derive-enum-error 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate derive-enum-error 0.0.1 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 derive-enum-error 0.0.1
[INFO] finished tweaking crates.io crate derive-enum-error 0.0.1
[INFO] tweaked toml for crates.io crate derive-enum-error 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate derive-enum-error 0.0.1 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 quote v0.6.12
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded synstructure v0.10.2
[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] b8cf5d838ca2d281bc3f9d0e7c6d20bff466c50a8d5f40abcf43642abe483013
[INFO] running `Command { std: "docker" "start" "-a" "b8cf5d838ca2d281bc3f9d0e7c6d20bff466c50a8d5f40abcf43642abe483013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cf5d838ca2d281bc3f9d0e7c6d20bff466c50a8d5f40abcf43642abe483013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cf5d838ca2d281bc3f9d0e7c6d20bff466c50a8d5f40abcf43642abe483013", kill_on_drop: false }`
[INFO] [stdout] b8cf5d838ca2d281bc3f9d0e7c6d20bff466c50a8d5f40abcf43642abe483013
[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] e940a6544a8bd7440a0be1872edf9ad541708ede0d82cb73101c056619fb5ca3
[INFO] running `Command { std: "docker" "start" "-a" "e940a6544a8bd7440a0be1872edf9ad541708ede0d82cb73101c056619fb5ca3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling derive-enum-error v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking synstructure v0.10.2
[INFO] [stderr]  Documenting derive-enum-error v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "e940a6544a8bd7440a0be1872edf9ad541708ede0d82cb73101c056619fb5ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e940a6544a8bd7440a0be1872edf9ad541708ede0d82cb73101c056619fb5ca3", kill_on_drop: false }`
[INFO] [stdout] e940a6544a8bd7440a0be1872edf9ad541708ede0d82cb73101c056619fb5ca3
[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] 0e1a4c60db1605a6bc97a3d36d929cc029329319827535031b0c68c0142f532d
[INFO] running `Command { std: "docker" "start" "-a" "0e1a4c60db1605a6bc97a3d36d929cc029329319827535031b0c68c0142f532d", kill_on_drop: false }`
[INFO] [stderr]  Documenting derive-enum-error v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "0e1a4c60db1605a6bc97a3d36d929cc029329319827535031b0c68c0142f532d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e1a4c60db1605a6bc97a3d36d929cc029329319827535031b0c68c0142f532d", kill_on_drop: false }`
[INFO] [stdout] 0e1a4c60db1605a6bc97a3d36d929cc029329319827535031b0c68c0142f532d