[INFO] fetching crate impl-enum 0.3.0...
[INFO] documenting impl-enum-0.3.0 against nightly for scrape-examples
[INFO] extracting crate impl-enum 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate impl-enum 0.3.0 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 impl-enum 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate impl-enum 0.3.0
[INFO] tweaked toml for crates.io crate impl-enum 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate impl-enum 0.3.0 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-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] 8e65b80bfd0e948a7aa1767472b45462dba5f7e7e1b764cf1d333d20b4fce905
[INFO] running `Command { std: "docker" "start" "-a" "8e65b80bfd0e948a7aa1767472b45462dba5f7e7e1b764cf1d333d20b4fce905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e65b80bfd0e948a7aa1767472b45462dba5f7e7e1b764cf1d333d20b4fce905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e65b80bfd0e948a7aa1767472b45462dba5f7e7e1b764cf1d333d20b4fce905", kill_on_drop: false }`
[INFO] [stdout] 8e65b80bfd0e948a7aa1767472b45462dba5f7e7e1b764cf1d333d20b4fce905
[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] 016f6a2f6592aa7018b747a7c664eabb47b7c7819a7c9e350266c12d53c0363a
[INFO] running `Command { std: "docker" "start" "-a" "016f6a2f6592aa7018b747a7c664eabb47b7c7819a7c9e350266c12d53c0363a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]  Documenting impl-enum v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "016f6a2f6592aa7018b747a7c664eabb47b7c7819a7c9e350266c12d53c0363a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016f6a2f6592aa7018b747a7c664eabb47b7c7819a7c9e350266c12d53c0363a", kill_on_drop: false }`
[INFO] [stdout] 016f6a2f6592aa7018b747a7c664eabb47b7c7819a7c9e350266c12d53c0363a
[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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] bd7c43840eb554f52fd43f96b062c93714bd10b8e485571a515b61df1da6e095
[INFO] running `Command { std: "docker" "start" "-a" "bd7c43840eb554f52fd43f96b062c93714bd10b8e485571a515b61df1da6e095", kill_on_drop: false }`
[INFO] [stderr]  Documenting impl-enum v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "bd7c43840eb554f52fd43f96b062c93714bd10b8e485571a515b61df1da6e095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7c43840eb554f52fd43f96b062c93714bd10b8e485571a515b61df1da6e095", kill_on_drop: false }`
[INFO] [stdout] bd7c43840eb554f52fd43f96b062c93714bd10b8e485571a515b61df1da6e095