[INFO] crate emailx 0.1.0 is already in cache
[INFO] testing emailx-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate emailx 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate emailx 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate emailx 0.1.0
[INFO] finished tweaking crates.io crate emailx 0.1.0
[INFO] tweaked toml for crates.io crate emailx 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.44.0" "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] cfc3d49049cf26381622a4778e51cf94233193c5583e8ba9b9c0a54bc93f4023
[INFO] running `"docker" "start" "-a" "cfc3d49049cf26381622a4778e51cf94233193c5583e8ba9b9c0a54bc93f4023"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling radix_trie v0.1.6
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling data-encoding-macro v0.1.8
[INFO] [stderr]    Compiling trust-dns v0.15.1
[INFO] [stderr]    Compiling emailx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn validate(email: &str) -> Box<Future<Item = bool, Error = Error>> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = bool, Error = Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let (stream, sender) = UdpClientStream::new(address);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^   ----------------------------- this expression has type `trust_dns::trust_dns_proto::udp::UdpClientConnect`
[INFO] [stderr]    |         |
[INFO] [stderr]    |         expected struct `trust_dns::trust_dns_proto::udp::UdpClientConnect`, found tuple
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `trust_dns::trust_dns_proto::udp::UdpClientConnect`
[INFO] [stderr]                found tuple `(_, _)`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `from_err` found for tuple `(trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>)` in the current scope
[INFO] [stderr]   --> src/lib.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |         .from_err()
[INFO] [stderr]    |          ^^^^^^^^ method not found in `(trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `from_err` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `(trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>): futures::Future`
[INFO] [stderr]            which is required by `&mut (trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>): futures::Future`
[INFO] [stderr]            `(trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>): futures::Stream`
[INFO] [stderr]            which is required by `&mut (trust_dns::client::ClientFuture<trust_dns::trust_dns_proto::xfer::DnsMultiplexerConnect<_, _, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::DnsMultiplexer<_, trust_dns::rr::dnssec::Signer>, trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>, trust_dns::client::BasicClientHandle<trust_dns::trust_dns_proto::xfer::DnsMultiplexerSerialResponse>): futures::Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trust_dns::client::ClientHandle`
[INFO] [stderr]   --> src/lib.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use trust_dns::client::ClientHandle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `emailx`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cfc3d49049cf26381622a4778e51cf94233193c5583e8ba9b9c0a54bc93f4023"`
[INFO] running `"docker" "rm" "-f" "cfc3d49049cf26381622a4778e51cf94233193c5583e8ba9b9c0a54bc93f4023"`
[INFO] [stdout] cfc3d49049cf26381622a4778e51cf94233193c5583e8ba9b9c0a54bc93f4023