[INFO] updating cached repository https://github.com/sticnarf/shunter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ee9fc21256373cc0cc52c1d36cc29eb11bf71a9
[INFO] testing sticnarf/shunter against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fshunter" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sticnarf/shunter on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sticnarf/shunter
[INFO] finished tweaking git repo https://github.com/sticnarf/shunter
[INFO] tweaked toml for git repo https://github.com/sticnarf/shunter written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sticnarf/shunter already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] e4751353d4db104a3acb102f97938ee97e2ec98b044c4fcff08a37b9640af00b
[INFO] running `"docker" "start" "-a" "e4751353d4db104a3acb102f97938ee97e2ec98b044c4fcff08a37b9640af00b"`
[INFO] [stderr]    Compiling slog v2.0.12
[INFO] [stderr]    Compiling quote v0.1.4
[INFO] [stderr]    Compiling take_mut v0.1.3
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling isatty v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.40
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling syn v0.7.1
[INFO] [stderr]    Compiling slog-async v2.1.0
[INFO] [stderr]    Compiling slog-scope v4.0.0
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling tokio-dns-unofficial v0.1.1
[INFO] [stderr]    Compiling num-derive v0.1.41
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::io::Error: std::convert::From<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-dns-unofficial-0.1.1/src/net.rs:100:54
[INFO] [stderr]     |
[INFO] [stderr] 100 |     futures::stream::iter(addrs.into_iter().map(Ok)).fold(result, move |prev, addr| {
[INFO] [stderr]     |                                                      ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `tokio-dns-unofficial`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e4751353d4db104a3acb102f97938ee97e2ec98b044c4fcff08a37b9640af00b"`
[INFO] running `"docker" "rm" "-f" "e4751353d4db104a3acb102f97938ee97e2ec98b044c4fcff08a37b9640af00b"`
[INFO] [stdout] e4751353d4db104a3acb102f97938ee97e2ec98b044c4fcff08a37b9640af00b