[INFO] cloning repository https://github.com/wilsoniya/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wilsoniya/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilsoniya%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilsoniya%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 009ff7e21a89008dd2f37851225678db0dd7d353
[INFO] documenting wilsoniya/chat 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%2Fwilsoniya%2Fchat" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wilsoniya/chat 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/wilsoniya/chat
[INFO] finished tweaking git repo https://github.com/wilsoniya/chat
[INFO] tweaked toml for git repo https://github.com/wilsoniya/chat written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wilsoniya/chat 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]     Updating git repository `https://github.com/leejunseok/kademlia-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] [stderr]   Downloaded tokio-retry v0.1.1
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded stun v0.0.2
[INFO] [stderr]   Downloaded xmltree v0.7.0
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded relay v0.1.0
[INFO] [stderr]   Downloaded wincolor v0.1.4
[INFO] [stderr]   Downloaded slab v0.4.0
[INFO] [stderr]   Downloaded env_logger v0.5.2
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded tokio-io v0.1.4
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded hyper v0.11.14
[INFO] [stderr]   Downloaded mio v0.6.12
[INFO] [stderr]   Downloaded clap v2.29.2
[INFO] [stderr]   Downloaded futures v0.1.17
[INFO] [stderr]   Downloaded iovec v0.1.1
[INFO] [stderr]   Downloaded termcolor v0.3.3
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded igd v0.7.0
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded tokio-timer v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6791051fe9e75d311d1136489143ce8e67920c38fa0e61e2089b1f7a6006c2ee
[INFO] running `Command { std: "docker" "start" "-a" "6791051fe9e75d311d1136489143ce8e67920c38fa0e61e2089b1f7a6006c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6791051fe9e75d311d1136489143ce8e67920c38fa0e61e2089b1f7a6006c2ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6791051fe9e75d311d1136489143ce8e67920c38fa0e61e2089b1f7a6006c2ee", kill_on_drop: false }`
[INFO] [stdout] 6791051fe9e75d311d1136489143ce8e67920c38fa0e61e2089b1f7a6006c2ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e2c8a9b8c53b13ebc6dd91157ec45689736b55fe100b854b2673c4d5409b42f2
[INFO] running `Command { std: "docker" "start" "-a" "e2c8a9b8c53b13ebc6dd91157ec45689736b55fe100b854b2673c4d5409b42f2", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking stun v0.0.2
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking xmltree v0.7.0
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking env_logger v0.5.2
[INFO] [stderr]     Checking hyper v0.11.14
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]     Checking igd v0.7.0
[INFO] [stderr]     Checking kademlia v0.0.1 (https://github.com/leejunseok/kademlia-rs#c018031b)
[INFO] [stderr]  Documenting chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chat/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/udp_test/index.html
[INFO] running `Command { std: "docker" "inspect" "e2c8a9b8c53b13ebc6dd91157ec45689736b55fe100b854b2673c4d5409b42f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c8a9b8c53b13ebc6dd91157ec45689736b55fe100b854b2673c4d5409b42f2", kill_on_drop: false }`
[INFO] [stdout] e2c8a9b8c53b13ebc6dd91157ec45689736b55fe100b854b2673c4d5409b42f2