[INFO] cloning repository https://github.com/lullabyeoytl/smoltcp_chronix [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lullabyeoytl/smoltcp_chronix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flullabyeoytl%2Fsmoltcp_chronix", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flullabyeoytl%2Fsmoltcp_chronix'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ac01e106e3ec6daac84bba40510cf1791f0396c [INFO] checking lullabyeoytl/smoltcp_chronix against master#667247db71ea18c4130dd018d060e7f09d589490 for pr-140824 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flullabyeoytl%2Fsmoltcp_chronix" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lullabyeoytl/smoltcp_chronix on toolchain 667247db71ea18c4130dd018d060e7f09d589490 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lullabyeoytl/smoltcp_chronix [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/lullabyeoytl/smoltcp_chronix [INFO] tweaked toml for git repo https://github.com/lullabyeoytl/smoltcp_chronix written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lullabyeoytl/smoltcp_chronix already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded defmt v0.3.100 [INFO] [stderr] Downloaded defmt-parser v1.0.0 [INFO] [stderr] Downloaded defmt-macros v1.0.1 [INFO] [stderr] Downloaded defmt v1.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7b19be1ece3e37f2a9668bf23db9b955692718a889ced38a927f1db813b2764 [INFO] running `Command { std: "docker" "start" "-a" "b7b19be1ece3e37f2a9668bf23db9b955692718a889ced38a927f1db813b2764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7b19be1ece3e37f2a9668bf23db9b955692718a889ced38a927f1db813b2764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7b19be1ece3e37f2a9668bf23db9b955692718a889ced38a927f1db813b2764", kill_on_drop: false }` [INFO] [stdout] b7b19be1ece3e37f2a9668bf23db9b955692718a889ced38a927f1db813b2764 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+667247db71ea18c4130dd018d060e7f09d589490" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3797d48ddf195da9185426c5ec0f66f04cfea88bb04428cfb7ef48ade76fc542 [INFO] running `Command { std: "docker" "start" "-a" "3797d48ddf195da9185426c5ec0f66f04cfea88bb04428cfb7ef48ade76fc542", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling semver v1.0.26 [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking litemap v0.7.5 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.1 [INFO] [stderr] Compiling icu_properties_data v1.5.1 [INFO] [stderr] Compiling icu_normalizer_data v1.5.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Compiling zerocopy v0.8.24 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling smoltcp v0.10.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking managed v0.8.0 [INFO] [stderr] Checking humantime v2.2.0 [INFO] [stderr] Compiling rstest_macros v0.17.0 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/icmpv4.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` 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: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/icmpv6.rs:429:17 [INFO] [stdout] | [INFO] [stdout] 429 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/igmp.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/ipv4.rs:458:17 [INFO] [stdout] | [INFO] [stdout] 458 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::IpProtocol as Protocol` [INFO] [stdout] --> src/wire/ipv6fragment.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use super::IpProtocol as Protocol; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/tcp.rs:364:17 [INFO] [stdout] | [INFO] [stdout] 364 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/udp.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_logger v0.10.2 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/iface/interface/mod.rs:759:22 [INFO] [stdout] | [INFO] [stdout] 759 | Dispatch(DispatchError), [INFO] [stdout] | -------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 759 - Dispatch(DispatchError), [INFO] [stdout] 759 + Dispatch(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking rstest v0.17.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stdout] warning: unused import: `phy::DeviceCapabilities` [INFO] [stdout] --> src/socket/icmp.rs:633:21 [INFO] [stdout] | [INFO] [stdout] 633 | pub use crate::{phy::DeviceCapabilities, wire::IpAddress}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/icmpv4.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` 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: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/icmpv6.rs:429:17 [INFO] [stdout] | [INFO] [stdout] 429 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/igmp.rs:125:17 [INFO] [stdout] | [INFO] [stdout] 125 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/ipv4.rs:458:17 [INFO] [stdout] | [INFO] [stdout] 458 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::IpProtocol as Protocol` [INFO] [stdout] --> src/wire/ipv6fragment.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub use super::IpProtocol as Protocol; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/tcp.rs:364:17 [INFO] [stdout] | [INFO] [stdout] 364 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `fuzzing` [INFO] [stdout] --> src/wire/udp.rs:115:17 [INFO] [stdout] | [INFO] [stdout] 115 | if cfg!(fuzzing) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [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(fuzzing)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(fuzzing)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/iface/interface/mod.rs:759:22 [INFO] [stdout] | [INFO] [stdout] 759 | Dispatch(DispatchError), [INFO] [stdout] | -------- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 759 - Dispatch(DispatchError), [INFO] [stdout] 759 + Dispatch(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.56s [INFO] running `Command { std: "docker" "inspect" "3797d48ddf195da9185426c5ec0f66f04cfea88bb04428cfb7ef48ade76fc542", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3797d48ddf195da9185426c5ec0f66f04cfea88bb04428cfb7ef48ade76fc542", kill_on_drop: false }` [INFO] [stdout] 3797d48ddf195da9185426c5ec0f66f04cfea88bb04428cfb7ef48ade76fc542