[INFO] fetching crate kuchiki 0.8.1...
[INFO] documenting kuchiki-0.8.1 against 1.68.0 for beta-1.69-rustdoc-1.2
[INFO] extracting crate kuchiki 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate kuchiki 0.8.1 on toolchain 1.68.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.68.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kuchiki 0.8.1
[INFO] finished tweaking crates.io crate kuchiki 0.8.1
[INFO] tweaked toml for crates.io crate kuchiki 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate kuchiki 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.68.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded serde_json v1.0.57
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a00c411869fb166a85d133dccb3db658cc2912784fbee8a25c704d4cbd6d161
[INFO] running `Command { std: "docker" "start" "-a" "1a00c411869fb166a85d133dccb3db658cc2912784fbee8a25c704d4cbd6d161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a00c411869fb166a85d133dccb3db658cc2912784fbee8a25c704d4cbd6d161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a00c411869fb166a85d133dccb3db658cc2912784fbee8a25c704d4cbd6d161", kill_on_drop: false }`
[INFO] [stdout] 1a00c411869fb166a85d133dccb3db658cc2912784fbee8a25c704d4cbd6d161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 677c4c0150d99a4367a011e2076a896bb5bf23e00850bdeb138a7288d0d6afcf
[INFO] running `Command { std: "docker" "start" "-a" "677c4c0150d99a4367a011e2076a896bb5bf23e00850bdeb138a7288d0d6afcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]  Documenting kuchiki v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "677c4c0150d99a4367a011e2076a896bb5bf23e00850bdeb138a7288d0d6afcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677c4c0150d99a4367a011e2076a896bb5bf23e00850bdeb138a7288d0d6afcf", kill_on_drop: false }`
[INFO] [stdout] 677c4c0150d99a4367a011e2076a896bb5bf23e00850bdeb138a7288d0d6afcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:6ef671f6951f6f7b82eaf49ad0b3b99466e493f2d9d82dd96208252612681f61" "/opt/rustwide/cargo-home/bin/cargo" "+1.68.0" "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] a6a47d10f4980e3b87d5cbc27d5760a31ea9cb8044d3e34ad50959c7e649599f
[INFO] running `Command { std: "docker" "start" "-a" "a6a47d10f4980e3b87d5cbc27d5760a31ea9cb8044d3e34ad50959c7e649599f", kill_on_drop: false }`
[INFO] [stderr]  Documenting kuchiki v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1, tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a6a47d10f4980e3b87d5cbc27d5760a31ea9cb8044d3e34ad50959c7e649599f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a47d10f4980e3b87d5cbc27d5760a31ea9cb8044d3e34ad50959c7e649599f", kill_on_drop: false }`
[INFO] [stdout] a6a47d10f4980e3b87d5cbc27d5760a31ea9cb8044d3e34ad50959c7e649599f