[INFO] fetching crate tokio-dns-unofficial 0.4.0... [INFO] testing tokio-dns-unofficial-0.4.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3 [INFO] extracting crate tokio-dns-unofficial 0.4.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate tokio-dns-unofficial 0.4.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-dns-unofficial 0.4.0 [INFO] finished tweaking crates.io crate tokio-dns-unofficial 0.4.0 [INFO] tweaked toml for crates.io crate tokio-dns-unofficial 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2106737aa7657750747830383d81c5b341bed28a4b8dcaaa0a9fb61b18cd193c [INFO] running `Command { std: "docker" "start" "-a" "2106737aa7657750747830383d81c5b341bed28a4b8dcaaa0a9fb61b18cd193c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2106737aa7657750747830383d81c5b341bed28a4b8dcaaa0a9fb61b18cd193c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2106737aa7657750747830383d81c5b341bed28a4b8dcaaa0a9fb61b18cd193c", kill_on_drop: false }` [INFO] [stdout] 2106737aa7657750747830383d81c5b341bed28a4b8dcaaa0a9fb61b18cd193c [INFO] running `Command { std: "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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 09adb900bbb1ae048df08f47f36318a35e26c418a74af0f6566b95155c3a05db [INFO] running `Command { std: "docker" "start" "-a" "09adb900bbb1ae048df08f47f36318a35e26c418a74af0f6566b95155c3a05db", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.38 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-dns-unofficial v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/endpoint.rs:120:28 [INFO] [stdout] | [INFO] [stdout] 120 | let port = try!(parse_port(&self[idx + 1..])); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:39:28 [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/net.rs:191:31 [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "09adb900bbb1ae048df08f47f36318a35e26c418a74af0f6566b95155c3a05db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09adb900bbb1ae048df08f47f36318a35e26c418a74af0f6566b95155c3a05db", kill_on_drop: false }` [INFO] [stdout] 09adb900bbb1ae048df08f47f36318a35e26c418a74af0f6566b95155c3a05db [INFO] running `Command { std: "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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 82340383bc46d82e9c8d945a9c8c625fb2e9a17786155c50110b9efcef544163 [INFO] running `Command { std: "docker" "start" "-a" "82340383bc46d82e9c8d945a9c8c625fb2e9a17786155c50110b9efcef544163", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/endpoint.rs:120:28 [INFO] [stdout] | [INFO] [stdout] 120 | let port = try!(parse_port(&self[idx + 1..])); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:39:28 [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-dns-unofficial v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/net.rs:191:31 [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/endpoint.rs:120:28 [INFO] [stdout] | [INFO] [stdout] 120 | let port = try!(parse_port(&self[idx + 1..])); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:37:28 [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 37 | pub type IoFuture = Box + Send>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:39:28 [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/net.rs:191:31 [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 191 | .fold::<_, _, Box + Send>>( [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "82340383bc46d82e9c8d945a9c8c625fb2e9a17786155c50110b9efcef544163", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82340383bc46d82e9c8d945a9c8c625fb2e9a17786155c50110b9efcef544163", kill_on_drop: false }` [INFO] [stdout] 82340383bc46d82e9c8d945a9c8c625fb2e9a17786155c50110b9efcef544163 [INFO] running `Command { std: "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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e83e7385e34e9df550de9a3e9fed5657c7d478455b91bcd0aaec56c42f023818 [INFO] running `Command { std: "docker" "start" "-a" "e83e7385e34e9df550de9a3e9fed5657c7d478455b91bcd0aaec56c42f023818", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/endpoint.rs:120:28 [INFO] [stderr] | [INFO] [stderr] 120 | let port = try!(parse_port(&self[idx + 1..])); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:37:28 [INFO] [stderr] | [INFO] [stderr] 37 | pub type IoFuture = Box + Send>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 37 | pub type IoFuture = Box + Send>; [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:39:28 [INFO] [stderr] | [INFO] [stderr] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 39 | fn boxed(fut: F) -> Box + Send> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/net.rs:191:31 [INFO] [stderr] | [INFO] [stderr] 191 | .fold::<_, _, Box + Send>>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 191 | .fold::<_, _, Box + Send>>( [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `tokio-dns-unofficial` (lib) generated 4 warnings [INFO] [stderr] warning: `tokio-dns-unofficial` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/tokio_dns-b57c6070166d8d1b) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test endpoint::test_endpoint_str_ipv4 ... ok [INFO] [stdout] test endpoint::test_endpoint_str ... ok [INFO] [stdout] test endpoint::test_endpoint_str_ipv6 ... ok [INFO] [stdout] test endpoint::test_endpoint_str_port ... ok [INFO] [stdout] test endpoint::test_resolve_localhost ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e83e7385e34e9df550de9a3e9fed5657c7d478455b91bcd0aaec56c42f023818", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e83e7385e34e9df550de9a3e9fed5657c7d478455b91bcd0aaec56c42f023818", kill_on_drop: false }` [INFO] [stdout] e83e7385e34e9df550de9a3e9fed5657c7d478455b91bcd0aaec56c42f023818