[INFO] fetching crate mqttbytes 0.6.0... [INFO] checking mqttbytes-0.6.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate mqttbytes 0.6.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate mqttbytes 0.6.0 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 mqttbytes 0.6.0 [INFO] finished tweaking crates.io crate mqttbytes 0.6.0 [INFO] tweaked toml for crates.io crate mqttbytes 0.6.0 written to /workspace/builds/worker-0-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.8) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding pretty_assertions v0.6.1 (latest: v1.4.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pretty_assertions v0.6.1 [INFO] [stderr] Downloaded output_vt100 v0.1.3 [INFO] [stderr] Downloaded criterion-plot v0.4.5 [INFO] [stderr] Downloaded ctor v0.1.26 [INFO] [stderr] Downloaded half v1.8.3 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] [stderr] Downloaded difference v2.0.0 [INFO] [stderr] Downloaded criterion v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6d48e2445f821e8233f32d1dd05a703db815c2f8557aef74d141119a4e38b660 [INFO] running `Command { std: "docker" "start" "-a" "6d48e2445f821e8233f32d1dd05a703db815c2f8557aef74d141119a4e38b660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d48e2445f821e8233f32d1dd05a703db815c2f8557aef74d141119a4e38b660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d48e2445f821e8233f32d1dd05a703db815c2f8557aef74d141119a4e38b660", kill_on_drop: false }` [INFO] [stdout] 6d48e2445f821e8233f32d1dd05a703db815c2f8557aef74d141119a4e38b660 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c5b070c2e285096f2493ade267fd9049f93c5d3cdff0f40300ef0caa4b2bf2db [INFO] running `Command { std: "docker" "start" "-a" "c5b070c2e285096f2493ade267fd9049f93c5d3cdff0f40300ef0caa4b2bf2db", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking mqttbytes v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `v5` [INFO] [stdout] --> src/v5/puback.rs:205:7 [INFO] [stdout] | [INFO] [stdout] 205 | #[cfg(v5)] [INFO] [stdout] | ^^ help: found config with similar value: `feature = "v5"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(v5)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(v5)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unexpected `cfg` condition name: `v5` [INFO] [stdout] --> src/v5/puback.rs:205:7 [INFO] [stdout] | [INFO] [stdout] 205 | #[cfg(v5)] [INFO] [stdout] | ^^ help: found config with similar value: `feature = "v5"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(v5)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(v5)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.57s [INFO] running `Command { std: "docker" "inspect" "c5b070c2e285096f2493ade267fd9049f93c5d3cdff0f40300ef0caa4b2bf2db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5b070c2e285096f2493ade267fd9049f93c5d3cdff0f40300ef0caa4b2bf2db", kill_on_drop: false }` [INFO] [stdout] c5b070c2e285096f2493ade267fd9049f93c5d3cdff0f40300ef0caa4b2bf2db [INFO] checking mqttbytes-0.6.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate mqttbytes 0.6.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate mqttbytes 0.6.0 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 mqttbytes 0.6.0 [INFO] finished tweaking crates.io crate mqttbytes 0.6.0 [INFO] tweaked toml for crates.io crate mqttbytes 0.6.0 written to /workspace/builds/worker-0-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 88 packages to latest compatible versions [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding ctor v0.1.26 (latest: v0.2.8) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.15) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding pretty_assertions v0.6.1 (latest: v1.4.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 62606cd5500fc83208911cab5339d800513da6f6d0ea6cccb06eb403918cb3ce [INFO] running `Command { std: "docker" "start" "-a" "62606cd5500fc83208911cab5339d800513da6f6d0ea6cccb06eb403918cb3ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "62606cd5500fc83208911cab5339d800513da6f6d0ea6cccb06eb403918cb3ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62606cd5500fc83208911cab5339d800513da6f6d0ea6cccb06eb403918cb3ce", kill_on_drop: false }` [INFO] [stdout] 62606cd5500fc83208911cab5339d800513da6f6d0ea6cccb06eb403918cb3ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d01786a26cd597e98a3170302c064d33105f80f7d59a6007127866dcbc61b39 [INFO] running `Command { std: "docker" "start" "-a" "2d01786a26cd597e98a3170302c064d33105f80f7d59a6007127866dcbc61b39", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking mqttbytes v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `v5` [INFO] [stdout] --> src/v5/puback.rs:205:7 [INFO] [stdout] | [INFO] [stdout] 205 | #[cfg(v5)] [INFO] [stdout] | ^^ help: found config with similar value: `feature = "v5"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(v5)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(v5)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unexpected `cfg` condition name: `v5` [INFO] [stdout] --> src/v5/puback.rs:205:7 [INFO] [stdout] | [INFO] [stdout] 205 | #[cfg(v5)] [INFO] [stdout] | ^^ help: found config with similar value: `feature = "v5"` [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows` [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(v5)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(v5)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.95s [INFO] running `Command { std: "docker" "inspect" "2d01786a26cd597e98a3170302c064d33105f80f7d59a6007127866dcbc61b39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d01786a26cd597e98a3170302c064d33105f80f7d59a6007127866dcbc61b39", kill_on_drop: false }` [INFO] [stdout] 2d01786a26cd597e98a3170302c064d33105f80f7d59a6007127866dcbc61b39