[INFO] fetching crate bronzedb-sled-db-server 0.1.0... [INFO] testing bronzedb-sled-db-server-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate bronzedb-sled-db-server 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate bronzedb-sled-db-server 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bronzedb-sled-db-server 0.1.0 [INFO] finished tweaking crates.io crate bronzedb-sled-db-server 0.1.0 [INFO] tweaked toml for crates.io crate bronzedb-sled-db-server 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_bytes v0.10.5 [INFO] [stderr] Downloaded historian v4.0.4 [INFO] [stderr] Downloaded bronzedb-util v0.1.0 [INFO] [stderr] Downloaded hashbrown v0.2.2 [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 sled v0.22.1 [INFO] [stderr] Downloaded pagecache v0.15.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b9c451c35c7d75a59599ff513a0e7d464b76a316645c50524c8b86b7e752d24 [INFO] running `Command { std: "docker" "start" "-a" "4b9c451c35c7d75a59599ff513a0e7d464b76a316645c50524c8b86b7e752d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b9c451c35c7d75a59599ff513a0e7d464b76a316645c50524c8b86b7e752d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b9c451c35c7d75a59599ff513a0e7d464b76a316645c50524c8b86b7e752d24", kill_on_drop: false }` [INFO] [stdout] 4b9c451c35c7d75a59599ff513a0e7d464b76a316645c50524c8b86b7e752d24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2542fe1169a9279d3f2ec4b7179b1fa954bb71118d3a89b89e46e7b1a93afc54 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2542fe1169a9279d3f2ec4b7179b1fa954bb71118d3a89b89e46e7b1a93afc54", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde v0.8.23 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling historian v4.0.4 [INFO] [stderr] Compiling rust-ini v0.13.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling bronzedb-util v0.1.0 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling bronzedb-protocol v0.1.0 [INFO] [stderr] Compiling bronzedb-engine v0.1.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling bronzedb-server v0.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling serde_test v0.8.23 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling linked-hash-map v0.3.0 [INFO] [stderr] Compiling serde-hjson v0.8.2 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling hashbrown v0.2.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling serde_bytes v0.10.5 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling pagecache v0.15.0 [INFO] [stderr] Compiling config v0.9.3 [INFO] [stderr] Compiling sled v0.22.1 [INFO] [stderr] Compiling bronzedb-sled-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:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | ) -> Result, Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner + '_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:71:30 [INFO] [stdout] | [INFO] [stdout] 71 | let mut entries: Box>> = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:89:15 [INFO] [stdout] | [INFO] [stdout] 89 | iter: Box> + 'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:93:26 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn new(iter: Box> + 'a>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + '_` [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] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 29s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2542fe1169a9279d3f2ec4b7179b1fa954bb71118d3a89b89e46e7b1a93afc54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2542fe1169a9279d3f2ec4b7179b1fa954bb71118d3a89b89e46e7b1a93afc54", kill_on_drop: false }` [INFO] [stdout] 2542fe1169a9279d3f2ec4b7179b1fa954bb71118d3a89b89e46e7b1a93afc54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4f6e901c8738625ec0e882420f2e7f033916424068758c7aa69e7efc0e6f26d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a4f6e901c8738625ec0e882420f2e7f033916424068758c7aa69e7efc0e6f26d", kill_on_drop: false }` [INFO] [stderr] Compiling bronzedb-sled-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:65:21 [INFO] [stdout] | [INFO] [stdout] 65 | ) -> Result, Self::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner + '_` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:71:30 [INFO] [stdout] | [INFO] [stdout] 71 | let mut entries: Box>> = [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:89:15 [INFO] [stdout] | [INFO] [stdout] 89 | iter: Box> + 'a>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [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] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/engine_impl.rs:93:26 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn new(iter: Box> + 'a>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [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] [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + '_` [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] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "a4f6e901c8738625ec0e882420f2e7f033916424068758c7aa69e7efc0e6f26d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4f6e901c8738625ec0e882420f2e7f033916424068758c7aa69e7efc0e6f26d", kill_on_drop: false }` [INFO] [stdout] a4f6e901c8738625ec0e882420f2e7f033916424068758c7aa69e7efc0e6f26d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a91c281bf47511b0dfa1057c87cb2d7a8ded484e728e008608686fbb9b48412b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a91c281bf47511b0dfa1057c87cb2d7a8ded484e728e008608686fbb9b48412b", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine_impl.rs:65:21 [INFO] [stderr] | [INFO] [stderr] 65 | ) -> Result, Self::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn Scanner + '_` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine_impl.rs:71:30 [INFO] [stderr] | [INFO] [stderr] 71 | let mut entries: Box>> = [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator>` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine_impl.rs:89:15 [INFO] [stderr] | [INFO] [stderr] 89 | iter: Box> + 'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine_impl.rs:93:26 [INFO] [stderr] | [INFO] [stderr] 93 | pub fn new(iter: Box> + 'a>) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + 'a` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/engine_impl.rs:99:31 [INFO] [stderr] | [INFO] [stderr] 99 | fn iter(&mut self) -> Box> + '_> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator> + '_` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `bronzedb-sled-db-server` (bin "bronzedb-sled-db-server" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bronzedb_sled_db_server-eb9695b1c8101488) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a91c281bf47511b0dfa1057c87cb2d7a8ded484e728e008608686fbb9b48412b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91c281bf47511b0dfa1057c87cb2d7a8ded484e728e008608686fbb9b48412b", kill_on_drop: false }` [INFO] [stdout] a91c281bf47511b0dfa1057c87cb2d7a8ded484e728e008608686fbb9b48412b