[INFO] cloning repository https://github.com/zhxie/playwith
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhxie/playwith" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxie%2Fplaywith", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxie%2Fplaywith'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f0e764bf3abf20dca1d2a907c95b9d38186916
[INFO] documenting zhxie/playwith against 1.99.0-beta.8 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhxie%2Fplaywith" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zhxie/playwith
[INFO] finished tweaking git repo https://github.com/zhxie/playwith
[INFO] tweaked toml for git repo https://github.com/zhxie/playwith written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zhxie/playwith on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zhxie/playwith 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded dbus-tokio v0.7.5
[INFO] [stderr]   Downloaded libdbus-sys v0.2.2
[INFO] [stderr]   Downloaded custom_debug v0.5.0
[INFO] [stderr]   Downloaded dbus-crossroads v0.5.0
[INFO] [stderr]   Downloaded custom_debug_derive v0.5.0
[INFO] [stderr]   Downloaded dbus v0.9.5
[INFO] [stderr]   Downloaded bluer v0.13.2
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15
[INFO] running `Command { std: "docker" "start" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling custom_debug_derive v0.5.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]     Checking custom_debug v0.5.0
[INFO] [stderr]     Checking tokio v1.16.1
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking dbus v0.9.5
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking dbus-tokio v0.7.5
[INFO] [stderr]     Checking dbus-crossroads v0.5.0
[INFO] [stderr]    Compiling bluer v0.13.2
[INFO] [stderr]  Documenting playwith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bluer v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/playwith/index.html
[INFO] running `Command { std: "docker" "inspect" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting playwith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bluer v0.13.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/playwith/index.html
[INFO] running `Command { std: "docker" "inspect" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15", kill_on_drop: false }`
[INFO] [stdout] 2c5125651ae4bd3a680edfefdc0feb2ae0aabe853f76f7e516ccade1c4f5bb15