[INFO] fetching crate xkv 0.1.18... [INFO] checking xkv-0.1.18 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate xkv 0.1.18 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate xkv 0.1.18 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xkv 0.1.18 [INFO] finished tweaking crates.io crate xkv 0.1.18 [INFO] tweaked toml for crates.io crate xkv 0.1.18 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 131 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding fred v7.1.2 (latest: v8.0.6) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding redis-protocol v4.1.0 (latest: v5.0.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustls v0.21.10 (latest: v0.23.4) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trt v0.1.28 [INFO] [stderr] Downloaded redis-protocol v4.1.0 [INFO] [stderr] Downloaded crc16 v0.4.0 [INFO] [stderr] Downloaded aok v0.1.3 [INFO] [stderr] Downloaded async-lazy v0.1.0 [INFO] [stderr] Downloaded ctor v0.2.7 [INFO] [stderr] Downloaded fred v7.1.2 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4048df6b68ffd65691fd7c4c52476b462dd25d70f9c4d198df5c2b0c49b13fa6 [INFO] running `Command { std: "docker" "start" "-a" "4048df6b68ffd65691fd7c4c52476b462dd25d70f9c4d198df5c2b0c49b13fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4048df6b68ffd65691fd7c4c52476b462dd25d70f9c4d198df5c2b0c49b13fa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4048df6b68ffd65691fd7c4c52476b462dd25d70f9c4d198df5c2b0c49b13fa6", kill_on_drop: false }` [INFO] [stdout] 4048df6b68ffd65691fd7c4c52476b462dd25d70f9c4d198df5c2b0c49b13fa6 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 480219073c214e8a2c57f8a445956cd8755bfe9061449b16976623f5d5484965 [INFO] running `Command { std: "docker" "start" "-a" "480219073c214e8a2c57f8a445956cd8755bfe9061449b16976623f5d5484965", kill_on_drop: false }` [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Compiling static_init_macro v1.0.2 [INFO] [stderr] Compiling static_init v1.0.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Checking aok v0.1.3 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Compiling ctor v0.2.7 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking async-lazy v0.1.0 [INFO] [stderr] Checking trt v0.1.28 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking cookie-factory v0.3.3 [INFO] [stderr] Checking redis-protocol v4.1.0 [INFO] [stderr] Checking fred v7.1.2 [INFO] [stderr] Checking xkv v0.1.18 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.05s [INFO] running `Command { std: "docker" "inspect" "480219073c214e8a2c57f8a445956cd8755bfe9061449b16976623f5d5484965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "480219073c214e8a2c57f8a445956cd8755bfe9061449b16976623f5d5484965", kill_on_drop: false }` [INFO] [stdout] 480219073c214e8a2c57f8a445956cd8755bfe9061449b16976623f5d5484965 [INFO] checking xkv-0.1.18 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate xkv 0.1.18 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate xkv 0.1.18 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xkv 0.1.18 [INFO] finished tweaking crates.io crate xkv 0.1.18 [INFO] tweaked toml for crates.io crate xkv 0.1.18 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 131 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding fred v7.1.2 (latest: v8.0.6) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding redis-protocol v4.1.0 (latest: v5.0.1) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustls v0.21.10 (latest: v0.23.4) [INFO] [stderr] Adding rustls-webpki v0.101.7 (latest: v0.102.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84b706f566714f7bfab5b5a31761cf48e74f2bba13eab8083b8a04632ecf2ace [INFO] running `Command { std: "docker" "start" "-a" "84b706f566714f7bfab5b5a31761cf48e74f2bba13eab8083b8a04632ecf2ace", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84b706f566714f7bfab5b5a31761cf48e74f2bba13eab8083b8a04632ecf2ace", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84b706f566714f7bfab5b5a31761cf48e74f2bba13eab8083b8a04632ecf2ace", kill_on_drop: false }` [INFO] [stdout] 84b706f566714f7bfab5b5a31761cf48e74f2bba13eab8083b8a04632ecf2ace [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3134e6fc4f21a721bc6795c82e6018b62fa255fb6b7a9fbbfd95cf3f83ce5252 [INFO] running `Command { std: "docker" "start" "-a" "3134e6fc4f21a721bc6795c82e6018b62fa255fb6b7a9fbbfd95cf3f83ce5252", kill_on_drop: false }` [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling rustls v0.21.10 [INFO] [stderr] Compiling static_init_macro v1.0.2 [INFO] [stderr] Compiling static_init v1.0.3 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking aok v0.1.3 [INFO] [stderr] Checking float-cmp v0.9.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking urlencoding v2.1.3 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Compiling ctor v0.2.7 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking tokio-stream v0.1.15 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking async-lazy v0.1.0 [INFO] [stderr] Checking trt v0.1.28 [INFO] [stderr] Checking tokio-test v0.4.4 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking cookie-factory v0.3.3 [INFO] [stderr] Checking redis-protocol v4.1.0 [INFO] [stderr] Checking fred v7.1.2 [INFO] [stderr] Checking xkv v0.1.18 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `!: FromRedis` is not satisfied [INFO] [stdout] --> src/lib.rs:147:11 [INFO] [stdout] | [INFO] [stdout] 147 | redis.del(key).await?; [INFO] [stdout] | ^^^ the trait `FromRedis` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromRedis`: [INFO] [stdout] () [INFO] [stdout] (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T10, T11, T12) [INFO] [stdout] (T11, T12) [INFO] [stdout] (T12,) [INFO] [stdout] (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] and 37 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `del` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fred-7.1.2/src/commands/interfaces/keys.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 205 | async fn del(&self, keys: K) -> RedisResult [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] 206 | where [INFO] [stdout] 207 | R: FromRedis, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `KeysInterface::del` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: FromRedis` is not satisfied [INFO] [stdout] --> src/lib.rs:150:11 [INFO] [stdout] | [INFO] [stdout] 150 | redis.set(key, val, None, None, false).await?; [INFO] [stdout] | ^^^ the trait `FromRedis` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromRedis`: [INFO] [stdout] () [INFO] [stdout] (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T10, T11, T12) [INFO] [stdout] (T11, T12) [INFO] [stdout] (T12,) [INFO] [stdout] (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] and 37 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `set` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fred-7.1.2/src/commands/interfaces/keys.rs:104:8 [INFO] [stdout] | [INFO] [stdout] 95 | async fn set( [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] ... [INFO] [stdout] 104 | R: FromRedis, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `KeysInterface::set` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: FromRedis` is not satisfied [INFO] [stdout] --> src/lib.rs:152:11 [INFO] [stdout] | [INFO] [stdout] 152 | redis.del(key).await?; [INFO] [stdout] | ^^^ the trait `FromRedis` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromRedis`: [INFO] [stdout] () [INFO] [stdout] (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T10, T11, T12) [INFO] [stdout] (T11, T12) [INFO] [stdout] (T12,) [INFO] [stdout] (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] (T4, T5, T6, T7, T8, T9, T10, T11, T12) [INFO] [stdout] and 37 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `del` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/fred-7.1.2/src/commands/interfaces/keys.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 205 | async fn del(&self, keys: K) -> RedisResult [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] 206 | where [INFO] [stdout] 207 | R: FromRedis, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `KeysInterface::del` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `xkv` (lib test) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3134e6fc4f21a721bc6795c82e6018b62fa255fb6b7a9fbbfd95cf3f83ce5252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3134e6fc4f21a721bc6795c82e6018b62fa255fb6b7a9fbbfd95cf3f83ce5252", kill_on_drop: false }` [INFO] [stdout] 3134e6fc4f21a721bc6795c82e6018b62fa255fb6b7a9fbbfd95cf3f83ce5252