[INFO] fetching crate little-skeptic 0.15.2...
[INFO] documenting little-skeptic-0.15.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate little-skeptic 0.15.2 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate little-skeptic 0.15.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate little-skeptic 0.15.2
[INFO] finished tweaking crates.io crate little-skeptic 0.15.2
[INFO] tweaked toml for crates.io crate little-skeptic 0.15.2 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e919bac8c32016121f413e6606d7adb52d60a351a07a9045d8b8628704605b
[INFO] running `Command { std: "docker" "start" "-a" "46e919bac8c32016121f413e6606d7adb52d60a351a07a9045d8b8628704605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e919bac8c32016121f413e6606d7adb52d60a351a07a9045d8b8628704605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e919bac8c32016121f413e6606d7adb52d60a351a07a9045d8b8628704605b", kill_on_drop: false }`
[INFO] [stdout] 46e919bac8c32016121f413e6606d7adb52d60a351a07a9045d8b8628704605b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bc8f2f21d6be289222ad763b8483f0f59d7e249f93f91dd56db4f7f3eb032e7
[INFO] running `Command { std: "docker" "start" "-a" "0bc8f2f21d6be289222ad763b8483f0f59d7e249f93f91dd56db4f7f3eb032e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]  Documenting little-skeptic v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.37s
[INFO] running `Command { std: "docker" "inspect" "0bc8f2f21d6be289222ad763b8483f0f59d7e249f93f91dd56db4f7f3eb032e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc8f2f21d6be289222ad763b8483f0f59d7e249f93f91dd56db4f7f3eb032e7", kill_on_drop: false }`
[INFO] [stdout] 0bc8f2f21d6be289222ad763b8483f0f59d7e249f93f91dd56db4f7f3eb032e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 75ff3e39f3ef6c0e7a380e2716f8c2aebe3719af7779508ba27c98b958fda50d
[INFO] running `Command { std: "docker" "start" "-a" "75ff3e39f3ef6c0e7a380e2716f8c2aebe3719af7779508ba27c98b958fda50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking cargo_metadata v0.8.2
[INFO] [stderr]  Documenting little-skeptic v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.80s
[INFO] running `Command { std: "docker" "inspect" "75ff3e39f3ef6c0e7a380e2716f8c2aebe3719af7779508ba27c98b958fda50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ff3e39f3ef6c0e7a380e2716f8c2aebe3719af7779508ba27c98b958fda50d", kill_on_drop: false }`
[INFO] [stdout] 75ff3e39f3ef6c0e7a380e2716f8c2aebe3719af7779508ba27c98b958fda50d