[INFO] cloning repository https://github.com/pwoolcoc/test-tokio-postgres
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pwoolcoc/test-tokio-postgres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Ftest-tokio-postgres"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Ftest-tokio-postgres'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c469ef1897b528f7b33d5646e9479a4dd73ce13
[INFO] testing pwoolcoc/test-tokio-postgres against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Ftest-tokio-postgres" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwoolcoc/test-tokio-postgres on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pwoolcoc/test-tokio-postgres
[INFO] finished tweaking git repo https://github.com/pwoolcoc/test-tokio-postgres
[INFO] tweaked toml for git repo https://github.com/pwoolcoc/test-tokio-postgres written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pwoolcoc/test-tokio-postgres already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4db1e183e6f4421c78296832c5ea0a1ef2397b7703c674bc3700282f9a0c1b6
[INFO] running `"docker" "start" "-a" "f4db1e183e6f4421c78296832c5ea0a1ef2397b7703c674bc3700282f9a0c1b6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling md5 v0.3.6
[INFO] [stderr]    Compiling fallible-iterator v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling hex v0.2.0
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling mio v0.6.12
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling hmac v0.4.2
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling postgres-protocol v0.3.1
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling futures-state-stream v0.2.0
[INFO] [stderr]    Compiling futures-state-stream v0.1.1
[INFO] [stderr]    Compiling postgres-shared v0.4.0
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-uds v0.1.7
[INFO] [stderr]    Compiling tokio-dns-unofficial v0.1.1
[INFO] [stderr] error[E0283]: type annotations needed for `std::result::Result<I, std::io::Error>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-dns-unofficial-0.1.1/src/net.rs:100:73
[INFO] [stderr]     |
[INFO] [stderr] 100 |     futures::stream::iter(addrs.into_iter().map(Ok)).fold(result, move |prev, addr| {
[INFO] [stderr]     |                                                                         ^^^^ consider giving this closure parameter the explicit type `std::result::Result<I, std::io::Error>`, where the type parameter `std::io::Error` is specified
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot satisfy `std::io::Error: std::convert::From<_>`
[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] 
[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 `"docker" "inspect" "f4db1e183e6f4421c78296832c5ea0a1ef2397b7703c674bc3700282f9a0c1b6"`
[INFO] running `"docker" "rm" "-f" "f4db1e183e6f4421c78296832c5ea0a1ef2397b7703c674bc3700282f9a0c1b6"`
[INFO] [stdout] f4db1e183e6f4421c78296832c5ea0a1ef2397b7703c674bc3700282f9a0c1b6