[INFO] cloning repository https://github.com/justincremer/gumby-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justincremer/gumby-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2dd0f9defd1e8e37e1331b8ff199320cc203b7e
[INFO] documenting justincremer/gumby-rs against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustincremer%2Fgumby-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justincremer/gumby-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/justincremer/gumby-rs
[INFO] finished tweaking git repo https://github.com/justincremer/gumby-rs
[INFO] tweaked toml for git repo https://github.com/justincremer/gumby-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/justincremer/gumby-rs 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded unicode-bidi v0.3.5
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded string_cache v0.6.2
[INFO] [stderr]   Downloaded utf-8 v0.7.6
[INFO] [stderr]   Downloaded httparse v1.4.1
[INFO] [stderr]   Downloaded html5ever v0.21.0
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded serde v1.0.126
[INFO] [stderr]   Downloaded tendril v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded tinyvec v1.2.0
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded markup5ever v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7d88af621fd01787b499782a24992cf0417db03fd0f7285cbd7c5d02c38e49b
[INFO] running `Command { std: "docker" "start" "-a" "a7d88af621fd01787b499782a24992cf0417db03fd0f7285cbd7c5d02c38e49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d88af621fd01787b499782a24992cf0417db03fd0f7285cbd7c5d02c38e49b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d88af621fd01787b499782a24992cf0417db03fd0f7285cbd7c5d02c38e49b", kill_on_drop: false }`
[INFO] [stdout] a7d88af621fd01787b499782a24992cf0417db03fd0f7285cbd7c5d02c38e49b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1754a3be1c55b460a96ea6a925897b028c9c1ba10519e44a185ee8ef7064612
[INFO] running `Command { std: "docker" "start" "-a" "b1754a3be1c55b460a96ea6a925897b028c9c1ba10519e44a185ee8ef7064612", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling html5ever v0.21.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.6.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]  Documenting gumby-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gumby-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.21.0, rustc-serialize v0.3.24, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/gumby_rs/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/gumby/index.html
[INFO] running `Command { std: "docker" "inspect" "b1754a3be1c55b460a96ea6a925897b028c9c1ba10519e44a185ee8ef7064612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1754a3be1c55b460a96ea6a925897b028c9c1ba10519e44a185ee8ef7064612", kill_on_drop: false }`
[INFO] [stdout] b1754a3be1c55b460a96ea6a925897b028c9c1ba10519e44a185ee8ef7064612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "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] 4857ee74abd63408cc7b61b00039ac30508b546deb4cb0061f6c4455eb989bbf
[INFO] running `Command { std: "docker" "start" "-a" "4857ee74abd63408cc7b61b00039ac30508b546deb4cb0061f6c4455eb989bbf", kill_on_drop: false }`
[INFO] [stderr]  Documenting gumby-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.21.0, rustc-serialize v0.3.24, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/gumby_rs/index.html
[INFO] running `Command { std: "docker" "inspect" "4857ee74abd63408cc7b61b00039ac30508b546deb4cb0061f6c4455eb989bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4857ee74abd63408cc7b61b00039ac30508b546deb4cb0061f6c4455eb989bbf", kill_on_drop: false }`
[INFO] [stdout] 4857ee74abd63408cc7b61b00039ac30508b546deb4cb0061f6c4455eb989bbf