[INFO] cloning repository https://github.com/pwoolcoc/test-tokio-postgres
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Ftest-tokio-postgres'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c469ef1897b528f7b33d5646e9479a4dd73ce13
[INFO] checking pwoolcoc/test-tokio-postgres against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpwoolcoc%2Ftest-tokio-postgres" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pwoolcoc/test-tokio-postgres on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c8f42e40736f6df72db4073b36e022bb26b23dcf21c83a97703287d667d709e
[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" "2c8f42e40736f6df72db4073b36e022bb26b23dcf21c83a97703287d667d709e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c8f42e40736f6df72db4073b36e022bb26b23dcf21c83a97703287d667d709e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8f42e40736f6df72db4073b36e022bb26b23dcf21c83a97703287d667d709e", kill_on_drop: false }`
[INFO] [stdout] 2c8f42e40736f6df72db4073b36e022bb26b23dcf21c83a97703287d667d709e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df8ef9a2915b619e237f593d2b743ad1f754d7be89fbcbdf93a5e669a8d2e3c
[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" "1df8ef9a2915b619e237f593d2b743ad1f754d7be89fbcbdf93a5e669a8d2e3c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking md5 v0.3.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking fallible-iterator v0.1.4
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking rand v0.3.20
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking futures-state-stream v0.2.0
[INFO] [stderr]     Checking futures-state-stream v0.1.1
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking postgres-protocol v0.3.1
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking postgres-shared v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking tokio-uds v0.1.7
[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: 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" "1df8ef9a2915b619e237f593d2b743ad1f754d7be89fbcbdf93a5e669a8d2e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df8ef9a2915b619e237f593d2b743ad1f754d7be89fbcbdf93a5e669a8d2e3c", kill_on_drop: false }`
[INFO] [stdout] 1df8ef9a2915b619e237f593d2b743ad1f754d7be89fbcbdf93a5e669a8d2e3c