[INFO] fetching crate err-derive 0.3.1...
[INFO] documenting err-derive-0.3.1 against nightly for scrape-examples
[INFO] extracting crate err-derive 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate err-derive 0.3.1 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 err-derive 0.3.1
[INFO] finished tweaking crates.io crate err-derive 0.3.1
[INFO] tweaked toml for crates.io crate err-derive 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate err-derive 0.3.1 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 skeptic v0.13.7
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded camino v1.0.7
[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] 379f916e9399cbd5b4c6514454616b95be58fdd9e7059f63008e5f96ff3d4e64
[INFO] running `Command { std: "docker" "start" "-a" "379f916e9399cbd5b4c6514454616b95be58fdd9e7059f63008e5f96ff3d4e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "379f916e9399cbd5b4c6514454616b95be58fdd9e7059f63008e5f96ff3d4e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379f916e9399cbd5b4c6514454616b95be58fdd9e7059f63008e5f96ff3d4e64", kill_on_drop: false }`
[INFO] [stdout] 379f916e9399cbd5b4c6514454616b95be58fdd9e7059f63008e5f96ff3d4e64
[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] 7abdf38aa7879073006400660771066f82c9bd4b1d8427a128a5c034a63b553c
[INFO] running `Command { std: "docker" "start" "-a" "7abdf38aa7879073006400660771066f82c9bd4b1d8427a128a5c034a63b553c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking quote v1.0.15
[INFO] [stderr]    Compiling err-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking synstructure v0.12.6
[INFO] [stderr]  Documenting err-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `Other`
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! From<Other> will be automatically implemented when there is a single field
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! `From<Other>` will be automatically implemented when there is a single field
[INFO] [stdout]    |     +           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "7abdf38aa7879073006400660771066f82c9bd4b1d8427a128a5c034a63b553c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7abdf38aa7879073006400660771066f82c9bd4b1d8427a128a5c034a63b553c", kill_on_drop: false }`
[INFO] [stdout] 7abdf38aa7879073006400660771066f82c9bd4b1d8427a128a5c034a63b553c
[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] 0b97475f5dc1e4fa403b0db0b01fabf25a3f304d23e51036714d554bd4033a6c
[INFO] running `Command { std: "docker" "start" "-a" "0b97475f5dc1e4fa403b0db0b01fabf25a3f304d23e51036714d554bd4033a6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting err-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unclosed HTML tag `Other`
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! From<Other> will be automatically implemented when there is a single field
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] help: try marking as source code
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! `From<Other>` will be automatically implemented when there is a single field
[INFO] [stdout]    |     +           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0b97475f5dc1e4fa403b0db0b01fabf25a3f304d23e51036714d554bd4033a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b97475f5dc1e4fa403b0db0b01fabf25a3f304d23e51036714d554bd4033a6c", kill_on_drop: false }`
[INFO] [stdout] 0b97475f5dc1e4fa403b0db0b01fabf25a3f304d23e51036714d554bd4033a6c