[INFO] cloning repository https://github.com/sticnarf/shunter-chnroutes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sticnarf/shunter-chnroutes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fshunter-chnroutes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fshunter-chnroutes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52144245d4947b995b8f964f0e287e09632fa793
[INFO] documenting sticnarf/shunter-chnroutes against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fshunter-chnroutes" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sticnarf/shunter-chnroutes on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sticnarf/shunter-chnroutes
[INFO] finished tweaking git repo https://github.com/sticnarf/shunter-chnroutes
[INFO] tweaked toml for git repo https://github.com/sticnarf/shunter-chnroutes written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sticnarf/shunter-chnroutes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/sticnarf/shunter.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.3
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.1.1
[INFO] [stderr]   Downloaded futures-cpupool v0.1.7
[INFO] [stderr]   Downloaded mio v0.6.11
[INFO] [stderr]   Downloaded lazycell v0.5.1
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded serde v1.0.18
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded tokio-core v0.1.10
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded isatty v0.1.5
[INFO] [stderr]   Downloaded term v0.4.6
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded slog-async v2.1.0
[INFO] [stderr]   Downloaded slog-term v2.2.0
[INFO] [stderr]   Downloaded slog-scope v4.0.0
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.17
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded slab v0.4.0
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded slab v0.3.0
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded syn v0.7.1
[INFO] [stderr]   Downloaded bytes v0.4.5
[INFO] [stderr]   Downloaded iovec v0.1.1
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded take_mut v0.1.3
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded iprange v0.4.1
[INFO] [stderr]   Downloaded slog v2.0.12
[INFO] [stderr]   Downloaded num-derive v0.1.41
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded ipnet v1.0.0
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded quote v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 760d85b76b7aa7db8c20a49036c0176e2450f99c220ee502458407051f3ec8c1
[INFO] running `Command { std: "docker" "start" "-a" "760d85b76b7aa7db8c20a49036c0176e2450f99c220ee502458407051f3ec8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760d85b76b7aa7db8c20a49036c0176e2450f99c220ee502458407051f3ec8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760d85b76b7aa7db8c20a49036c0176e2450f99c220ee502458407051f3ec8c1", kill_on_drop: false }`
[INFO] [stdout] 760d85b76b7aa7db8c20a49036c0176e2450f99c220ee502458407051f3ec8c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f82f151d1c53b2b21cbef5405644898e68993a3a97bd7c3628faeb7245633e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7f82f151d1c53b2b21cbef5405644898e68993a3a97bd7c3628faeb7245633e6", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking slog v2.0.12
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling quote v0.1.4
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking take_mut v0.1.3
[INFO] [stderr]     Checking serde v1.0.18
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking ipnet v1.0.0
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking isatty v0.1.5
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]    Compiling syn v0.7.1
[INFO] [stderr]     Checking slog-async v2.1.0
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking slog-scope v4.0.0
[INFO] [stderr]     Checking iprange v0.4.1
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]    Compiling num-derive v0.1.41
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking tokio-dns-unofficial v0.1.1
[INFO] [stdout] error[E0283]: type annotations needed for `std::result::Result<I, std::io::Error>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-dns-unofficial-0.1.1/src/net.rs:100:54
[INFO] [stdout]     |
[INFO] [stdout] 99  |     let result = Err(io::Error::new(io::ErrorKind::Other, "could not resolve to any address"));
[INFO] [stdout]     |         ------ consider giving `result` the explicit type `std::result::Result<I, std::io::Error>`, where the type parameter `std::io::Error` is specified
[INFO] [stdout] 100 |     futures::stream::iter(addrs.into_iter().map(Ok)).fold(result, move |prev, addr| {
[INFO] [stdout]     |                                                      ^^^^ cannot infer type for struct `std::io::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `std::io::Error: std::convert::From<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-dns-unofficial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7f82f151d1c53b2b21cbef5405644898e68993a3a97bd7c3628faeb7245633e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f82f151d1c53b2b21cbef5405644898e68993a3a97bd7c3628faeb7245633e6", kill_on_drop: false }`
[INFO] [stdout] 7f82f151d1c53b2b21cbef5405644898e68993a3a97bd7c3628faeb7245633e6