[INFO] fetching crate tower-hyper 0.1.1... [INFO] testing tower-hyper-0.1.1 against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852 [INFO] extracting crate tower-hyper 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate tower-hyper 0.1.1 [INFO] finished tweaking crates.io crate tower-hyper 0.1.1 [INFO] tweaked toml for crates.io crate tower-hyper 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tower-hyper 0.1.1 on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 131 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] [stderr] Adding http v0.1.21 (available: v1.4.0) [INFO] [stderr] Adding http-body v0.1.0 (available: v1.0.1) [INFO] [stderr] Adding hyper v0.12.36 (available: v1.8.1) [INFO] [stderr] Adding pretty_env_logger v0.2.5 (available: v0.5.0) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.48.0) [INFO] [stderr] Adding tower v0.1.1 (available: v0.5.2) [INFO] [stderr] Adding tower-service v0.2.0 (available: v0.3.3) [INFO] [stderr] Adding tower-util v0.1.0 (available: v0.3.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded either v1.15.0 [INFO] [stderr] Downloaded tower-http-util v0.1.0 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded tower-util v0.1.0 [INFO] [stderr] Downloaded tokio-io v0.1.13 [INFO] [stderr] Downloaded tower-retry v0.1.0 [INFO] [stderr] Downloaded itoa v0.4.8 [INFO] [stderr] Downloaded want v0.2.0 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded pretty_env_logger v0.2.5 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded futures-cpupool v0.1.8 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded quick-error v1.2.3 [INFO] [stderr] Downloaded string v0.2.1 [INFO] [stderr] Downloaded time v0.1.45 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded wasi v0.10.0+wasi-snapshot-preview1 [INFO] [stderr] Downloaded indexmap v1.9.3 [INFO] [stderr] Downloaded tokio-threadpool v0.1.18 [INFO] [stderr] Downloaded hashbrown v0.12.3 [INFO] [stderr] Downloaded http v0.1.21 [INFO] [stderr] Downloaded hyper v0.12.36 [INFO] [stderr] Downloaded mio v0.6.23 [INFO] [stderr] Downloaded h2 v0.1.26 [INFO] [stderr] Downloaded tokio v0.1.22 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded parking_lot v0.9.0 [INFO] [stderr] Downloaded tokio-sync v0.1.8 [INFO] [stderr] Downloaded humantime v1.3.0 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded tokio-timer v0.2.13 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded atty v0.2.14 [INFO] [stderr] Downloaded tokio-current-thread v0.1.7 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded net2 v0.2.39 [INFO] [stderr] Downloaded tokio-reactor v0.1.12 [INFO] [stderr] Downloaded hermit-abi v0.5.2 [INFO] [stderr] Downloaded lock_api v0.3.4 [INFO] [stderr] Downloaded smallvec v0.6.14 [INFO] [stderr] Downloaded tokio-executor v0.1.10 [INFO] [stderr] Downloaded env_logger v0.5.13 [INFO] [stderr] Downloaded tower-buffer v0.1.2 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded tokio-buf v0.1.1 [INFO] [stderr] Downloaded bytes v0.4.12 [INFO] [stderr] Downloaded tower-timeout v0.1.1 [INFO] [stderr] Downloaded tower v0.1.1 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [INFO] [stderr] Downloaded tokio-tcp v0.1.4 [INFO] [stderr] Downloaded tower-discover v0.1.0 [INFO] [stderr] Downloaded tower-limit v0.1.3 [INFO] [stderr] Downloaded tower-load-shed v0.1.0 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded http-connection v0.1.0 [INFO] [stderr] Downloaded hermit-abi v0.1.19 [INFO] [stderr] Downloaded winapi-util v0.1.11 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded http-body v0.1.0 [INFO] [stderr] Downloaded cloudabi v0.0.3 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded futures v0.1.31 [INFO] [stderr] Downloaded num_cpus v1.17.0 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded tower-layer v0.1.0 [INFO] [stderr] Downloaded windows-sys v0.61.2 [INFO] [stderr] Downloaded tower-service v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 312dd0b368743da242c69144dc877f5a12b82c3c54c13c9ee45de6f09152e756 [INFO] running `Command { std: "docker" "start" "-a" "312dd0b368743da242c69144dc877f5a12b82c3c54c13c9ee45de6f09152e756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "312dd0b368743da242c69144dc877f5a12b82c3c54c13c9ee45de6f09152e756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312dd0b368743da242c69144dc877f5a12b82c3c54c13c9ee45de6f09152e756", kill_on_drop: false }` [INFO] [stdout] 312dd0b368743da242c69144dc877f5a12b82c3c54c13c9ee45de6f09152e756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6de78c5a53d2e041fdde3c2a533d48e783dcd088e7fd8797a0ad628f9e3ad641 [INFO] running `Command { std: "docker" "start" "-a" "6de78c5a53d2e041fdde3c2a533d48e783dcd088e7fd8797a0ad628f9e3ad641", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.178 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling log v0.4.29 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling slab v0.4.11 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling try-lock v0.2.5 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-deque v0.7.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tower-service v0.2.0 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling tower-layer v0.1.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling tower-util v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling http-connection v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling tower-http-util v0.1.0 [INFO] [stderr] Compiling tower-hyper v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client/connect.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/mod.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.71s [INFO] running `Command { std: "docker" "inspect" "6de78c5a53d2e041fdde3c2a533d48e783dcd088e7fd8797a0ad628f9e3ad641", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6de78c5a53d2e041fdde3c2a533d48e783dcd088e7fd8797a0ad628f9e3ad641", kill_on_drop: false }` [INFO] [stdout] 6de78c5a53d2e041fdde3c2a533d48e783dcd088e7fd8797a0ad628f9e3ad641 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f04606c99f63da669b28ddc07b4971a4e5694280dbad8dcb8aef16ce2dcaeb56 [INFO] running `Command { std: "docker" "start" "-a" "f04606c99f63da669b28ddc07b4971a4e5694280dbad8dcb8aef16ce2dcaeb56", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling iana-time-zone v0.1.64 [INFO] [stderr] Compiling tracing-core v0.1.35 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling tower-retry v0.1.0 [INFO] [stderr] Compiling tower-timeout v0.1.1 [INFO] [stderr] Compiling tower-load-shed v0.1.0 [INFO] [stderr] Compiling tower-discover v0.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client/connect.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/mod.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling pretty_env_logger v0.2.5 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling tracing v0.1.43 [INFO] [stderr] Compiling tower-limit v0.1.3 [INFO] [stderr] Compiling tower-buffer v0.1.2 [INFO] [stderr] Compiling tower v0.1.1 [INFO] [stderr] Compiling tower-hyper v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/connect.rs:75:23 [INFO] [stdout] | [INFO] [stdout] 75 | type Future = Box + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 75 | type Future = Box + Send + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/client/connect.rs:253:32 [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/server/mod.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | pub type Serve = Box> + Send + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `tower-hyper` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f04606c99f63da669b28ddc07b4971a4e5694280dbad8dcb8aef16ce2dcaeb56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f04606c99f63da669b28ddc07b4971a4e5694280dbad8dcb8aef16ce2dcaeb56", kill_on_drop: false }` [INFO] [stdout] f04606c99f63da669b28ddc07b4971a4e5694280dbad8dcb8aef16ce2dcaeb56