[INFO] cloning repository https://github.com/kmkaplan/tiny-resolver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmkaplan/tiny-resolver-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmkaplan%2Ftiny-resolver-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmkaplan%2Ftiny-resolver-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ab4041faf1009655a87df464c7f33390a73ffdc
[INFO] checking kmkaplan/tiny-resolver-rs against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmkaplan%2Ftiny-resolver-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmkaplan/tiny-resolver-rs on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kmkaplan/tiny-resolver-rs
[INFO] finished tweaking git repo https://github.com/kmkaplan/tiny-resolver-rs
[INFO] tweaked toml for git repo https://github.com/kmkaplan/tiny-resolver-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kmkaplan/tiny-resolver-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9b2126e5ba38f0aeefba8a888c5591d6c5caee999404a4881822495737f991f
[INFO] running `Command { std: "docker" "start" "-a" "c9b2126e5ba38f0aeefba8a888c5591d6c5caee999404a4881822495737f991f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9b2126e5ba38f0aeefba8a888c5591d6c5caee999404a4881822495737f991f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b2126e5ba38f0aeefba8a888c5591d6c5caee999404a4881822495737f991f", kill_on_drop: false }`
[INFO] [stdout] c9b2126e5ba38f0aeefba8a888c5591d6c5caee999404a4881822495737f991f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3bec8e7580e447950285a591be91f124ba0901081230031d0043cdd2b131b7d
[INFO] running `Command { std: "docker" "start" "-a" "f3bec8e7580e447950285a591be91f124ba0901081230031d0043cdd2b131b7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stdout] error[E0391]: cycle detected when type-checking `udp::udp_stream::UdpSocket::recv_from`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: ...which requires generator glue MIR for `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `udp::udp_stream::UdpSocket::recv_from::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:46:82
[INFO] [stdout]    |
[INFO] [stdout] 46 |       async fn recv_from(&self, buf: &mut [u8]) -> io::Result<(usize, SocketAddr)> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 47 | |         futures_util::future::poll_fn(|cx| self.poll_recv_from(cx, buf)).await
[INFO] [stdout] 48 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `udp::udp_stream::UdpSocket::recv_from`, completing the cycle
[INFO] [stdout]    = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0391]: cycle detected when type-checking `udp::udp_stream::UdpSocket::send_to`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: ...which requires generator glue MIR for `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `udp::udp_stream::UdpSocket::send_to::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-proto-0.20.4/src/udp/udp_stream.rs:59:82
[INFO] [stdout]    |
[INFO] [stdout] 59 |       async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result<usize> {
[INFO] [stdout]    |  __________________________________________________________________________________^
[INFO] [stdout] 60 | |         futures_util::future::poll_fn(|cx| self.poll_send_to(cx, buf, target)).await
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `udp::udp_stream::UdpSocket::send_to`, completing the cycle
[INFO] [stdout]    = note: cycle used when type-checking all item bodies
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trust-dns-proto` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f3bec8e7580e447950285a591be91f124ba0901081230031d0043cdd2b131b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bec8e7580e447950285a591be91f124ba0901081230031d0043cdd2b131b7d", kill_on_drop: false }`
[INFO] [stdout] f3bec8e7580e447950285a591be91f124ba0901081230031d0043cdd2b131b7d