[INFO] fetching crate knock-knock 0.2.0... [INFO] checking knock-knock-0.2.0 against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692 [INFO] extracting crate knock-knock 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate knock-knock 0.2.0 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 crates.io crate knock-knock 0.2.0 [INFO] finished tweaking crates.io crate knock-knock 0.2.0 [INFO] tweaked toml for crates.io crate knock-knock 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate knock-knock 0.2.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 68a1826e667549d2c5ddd99b90700a7a28b684bb8954e042a476e573987dd993 [INFO] running `Command { std: "docker" "start" "-a" "68a1826e667549d2c5ddd99b90700a7a28b684bb8954e042a476e573987dd993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68a1826e667549d2c5ddd99b90700a7a28b684bb8954e042a476e573987dd993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68a1826e667549d2c5ddd99b90700a7a28b684bb8954e042a476e573987dd993", kill_on_drop: false }` [INFO] [stdout] 68a1826e667549d2c5ddd99b90700a7a28b684bb8954e042a476e573987dd993 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d343a3d99b88091dc3f9807c0444e07b10daebe2f9a2b4ccc8cb8ac96ac24ff6 [INFO] running `Command { std: "docker" "start" "-a" "d343a3d99b88091dc3f9807c0444e07b10daebe2f9a2b4ccc8cb8ac96ac24ff6", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking num_threads v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ipnet v2.4.0 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [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 num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking clap v3.1.8 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling enum-as-inner v0.4.0 [INFO] [stderr] Compiling enum-ordinalize v3.1.11 [INFO] [stderr] Checking whoisthere v0.1.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling educe v0.4.19 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking trust-dns-proto v0.21.2 [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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/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-0.21.2/src/udp/udp_stream.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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-0.21.2/src/udp/udp_stream.rs:59:82 [INFO] [stdout] | [INFO] [stdout] 59 | async fn send_to(&self, buf: &[u8], target: SocketAddr) -> io::Result { [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "d343a3d99b88091dc3f9807c0444e07b10daebe2f9a2b4ccc8cb8ac96ac24ff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d343a3d99b88091dc3f9807c0444e07b10daebe2f9a2b4ccc8cb8ac96ac24ff6", kill_on_drop: false }` [INFO] [stdout] d343a3d99b88091dc3f9807c0444e07b10daebe2f9a2b4ccc8cb8ac96ac24ff6