[INFO] fetching crate bronzedb-memory-db-server 0.1.0... [INFO] checking bronzedb-memory-db-server-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate bronzedb-memory-db-server 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate bronzedb-memory-db-server 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronzedb-memory-db-server 0.1.0 [INFO] finished tweaking crates.io crate bronzedb-memory-db-server 0.1.0 [INFO] tweaked toml for crates.io crate bronzedb-memory-db-server 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 83 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.6) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding config v0.9.3 (latest: v0.14.0) [INFO] [stderr] Adding crossbeam-epoch v0.7.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.20) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.5) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hashbrown v0.2.2 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.5.0) [INFO] [stderr] Adding linked-hash-map v0.3.0 (latest: v0.5.6) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.19) [INFO] [stderr] Adding pagecache v0.15.0 (latest: v0.19.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rust-ini v0.13.0 (latest: v0.21.1) [INFO] [stderr] Adding serde v0.8.23 (latest: v1.0.209) [INFO] [stderr] Adding serde-hjson v0.8.2 (latest: v1.0.0) [INFO] [stderr] Adding serde_bytes v0.10.5 (latest: v0.11.15) [INFO] [stderr] Adding serde_test v0.8.23 (latest: v1.0.177) [INFO] [stderr] Adding sled v0.22.1 (latest: v0.34.7) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.19) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linked-hash-map v0.3.0 [INFO] [stderr] Downloaded sled v0.22.1 [INFO] [stderr] Downloaded historian v4.0.4 [INFO] [stderr] Downloaded serde_test v0.8.23 [INFO] [stderr] Downloaded bronzedb-protocol v0.1.0 [INFO] [stderr] Downloaded bronzedb-engine v0.1.0 [INFO] [stderr] Downloaded bronzedb-server v0.1.0 [INFO] [stderr] Downloaded bronzedb-util v0.1.0 [INFO] [stderr] Downloaded serde-hjson v0.8.2 [INFO] [stderr] Downloaded config v0.9.3 [INFO] [stderr] Downloaded hashbrown v0.2.2 [INFO] [stderr] Downloaded pagecache v0.15.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 074b1e0b57d8bd5d72edd7d4e536595fc2894fef96f3f7cb64cadb27ed4e1cc2 [INFO] running `Command { std: "docker" "start" "-a" "074b1e0b57d8bd5d72edd7d4e536595fc2894fef96f3f7cb64cadb27ed4e1cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "074b1e0b57d8bd5d72edd7d4e536595fc2894fef96f3f7cb64cadb27ed4e1cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "074b1e0b57d8bd5d72edd7d4e536595fc2894fef96f3f7cb64cadb27ed4e1cc2", kill_on_drop: false }` [INFO] [stdout] 074b1e0b57d8bd5d72edd7d4e536595fc2894fef96f3f7cb64cadb27ed4e1cc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32face1a98226569208079677b91603bb38ba63efe68bdaeee98c769668efd7c [INFO] running `Command { std: "docker" "start" "-a" "32face1a98226569208079677b91603bb38ba63efe68bdaeee98c769668efd7c", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking bronzedb-util v0.1.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking hashbrown v0.2.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking historian v4.0.4 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking bronzedb-protocol v0.1.0 [INFO] [stderr] Checking bronzedb-engine v0.1.0 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking serde_bytes v0.10.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking bronzedb-server v0.1.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking pagecache v0.15.0 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking sled v0.22.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking bronzedb-memory-db-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:99:31 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [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)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:99:31 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [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)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "32face1a98226569208079677b91603bb38ba63efe68bdaeee98c769668efd7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32face1a98226569208079677b91603bb38ba63efe68bdaeee98c769668efd7c", kill_on_drop: false }` [INFO] [stdout] 32face1a98226569208079677b91603bb38ba63efe68bdaeee98c769668efd7c [INFO] checking bronzedb-memory-db-server-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate bronzedb-memory-db-server 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate bronzedb-memory-db-server 0.1.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronzedb-memory-db-server 0.1.0 [INFO] finished tweaking crates.io crate bronzedb-memory-db-server 0.1.0 [INFO] tweaked toml for crates.io crate bronzedb-memory-db-server 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 83 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.6) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding config v0.9.3 (latest: v0.14.0) [INFO] [stderr] Adding crossbeam-epoch v0.7.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.20) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.5) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hashbrown v0.2.2 (latest: v0.14.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.5.0) [INFO] [stderr] Adding linked-hash-map v0.3.0 (latest: v0.5.6) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.19) [INFO] [stderr] Adding pagecache v0.15.0 (latest: v0.19.4) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rust-ini v0.13.0 (latest: v0.21.1) [INFO] [stderr] Adding serde v0.8.23 (latest: v1.0.209) [INFO] [stderr] Adding serde-hjson v0.8.2 (latest: v1.0.0) [INFO] [stderr] Adding serde_bytes v0.10.5 (latest: v0.11.15) [INFO] [stderr] Adding serde_test v0.8.23 (latest: v1.0.177) [INFO] [stderr] Adding sled v0.22.1 (latest: v0.34.7) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.19) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e3a3f906b3bd566013047c4bf48f77794310d1f6bd1c8b1ef545cec2338ff63 [INFO] running `Command { std: "docker" "start" "-a" "7e3a3f906b3bd566013047c4bf48f77794310d1f6bd1c8b1ef545cec2338ff63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e3a3f906b3bd566013047c4bf48f77794310d1f6bd1c8b1ef545cec2338ff63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e3a3f906b3bd566013047c4bf48f77794310d1f6bd1c8b1ef545cec2338ff63", kill_on_drop: false }` [INFO] [stdout] 7e3a3f906b3bd566013047c4bf48f77794310d1f6bd1c8b1ef545cec2338ff63 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01caa1a21fdd4659315893b89fd514aa1f152686877c5cb8bacbf7614dca38b8 [INFO] running `Command { std: "docker" "start" "-a" "01caa1a21fdd4659315893b89fd514aa1f152686877c5cb8bacbf7614dca38b8", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking bronzedb-util v0.1.0 [INFO] [stderr] Checking hashbrown v0.2.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking historian v4.0.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking bronzedb-engine v0.1.0 [INFO] [stderr] Checking bronzedb-protocol v0.1.0 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking serde_bytes v0.10.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking pagecache v0.15.0 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking bronzedb-server v0.1.0 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking sled v0.22.1 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking bronzedb-memory-db-server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:99:31 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [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)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:99:31 [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [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)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn iter(&mut self) -> Box> + '_> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.89s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "01caa1a21fdd4659315893b89fd514aa1f152686877c5cb8bacbf7614dca38b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01caa1a21fdd4659315893b89fd514aa1f152686877c5cb8bacbf7614dca38b8", kill_on_drop: false }` [INFO] [stdout] 01caa1a21fdd4659315893b89fd514aa1f152686877c5cb8bacbf7614dca38b8