[INFO] fetching crate unsend 0.2.1... [INFO] checking unsend-0.2.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate unsend 0.2.1 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate unsend 0.2.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate unsend 0.2.1 [INFO] finished tweaking crates.io crate unsend 0.2.1 [INFO] tweaked toml for crates.io crate unsend 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate unsend 0.2.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded concurrent-queue v2.2.0 [INFO] [stderr] Downloaded atomic-waker v1.1.1 [INFO] [stderr] Downloaded async-lock v2.7.0 [INFO] [stderr] Downloaded async-channel v1.8.0 [INFO] [stderr] Downloaded blocking v1.3.1 [INFO] [stderr] Downloaded async-task v4.4.0 [INFO] [stderr] Downloaded parking v2.1.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.15 [INFO] [stderr] Downloaded io-lifetimes v1.0.10 [INFO] [stderr] Downloaded rustix v0.37.15 [INFO] [stderr] Downloaded libc v0.2.142 [INFO] [stderr] Downloaded linux-raw-sys v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e91c4d34c083f57bfa9e8c432087e3d595bd78020847db58ae30e8f636d442e7 [INFO] running `Command { std: "docker" "start" "-a" "e91c4d34c083f57bfa9e8c432087e3d595bd78020847db58ae30e8f636d442e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e91c4d34c083f57bfa9e8c432087e3d595bd78020847db58ae30e8f636d442e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e91c4d34c083f57bfa9e8c432087e3d595bd78020847db58ae30e8f636d442e7", kill_on_drop: false }` [INFO] [stdout] e91c4d34c083f57bfa9e8c432087e3d595bd78020847db58ae30e8f636d442e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c36b04b805dcf56dc326ef1ed56d42d2516e67b7d7daf0e6f9a9b811e685a02 [INFO] running `Command { std: "docker" "start" "-a" "6c36b04b805dcf56dc326ef1ed56d42d2516e67b7d7daf0e6f9a9b811e685a02", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking parking v2.1.0 [INFO] [stderr] Compiling io-lifetimes v1.0.10 [INFO] [stderr] Compiling polling v2.8.0 [INFO] [stderr] Compiling rustix v0.37.15 [INFO] [stderr] Compiling async-io v1.13.0 [INFO] [stderr] Checking async-lock v2.7.0 [INFO] [stderr] Checking linux-raw-sys v0.3.4 [INFO] [stderr] Checking atomic-waker v1.1.1 [INFO] [stderr] Checking async-task v4.4.0 [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.2.0 [INFO] [stderr] Checking async-channel v1.8.0 [INFO] [stderr] Checking blocking v1.3.1 [INFO] [stderr] Checking unsend v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `coverage` [INFO] [stdout] --> src/lib.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | #![cfg_attr(coverage, feature(no_coverage))] [INFO] [stdout] | ^^^^^^^^ [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:197:16 [INFO] [stdout] | [INFO] [stdout] 197 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:217:16 [INFO] [stdout] | [INFO] [stdout] 217 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:228:16 [INFO] [stdout] | [INFO] [stdout] 228 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:311:16 [INFO] [stdout] | [INFO] [stdout] 311 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:482:16 [INFO] [stdout] | [INFO] [stdout] 482 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:489:16 [INFO] [stdout] | [INFO] [stdout] 489 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:496:16 [INFO] [stdout] | [INFO] [stdout] 496 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:503:16 [INFO] [stdout] | [INFO] [stdout] 503 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:510:16 [INFO] [stdout] | [INFO] [stdout] 510 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lock/once_cell.rs:150:13 [INFO] [stdout] | [INFO] [stdout] 150 | Err(e) => match e {}, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stdout] warning: unexpected `cfg` condition name: `coverage` [INFO] [stdout] --> src/lib.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | #![cfg_attr(coverage, feature(no_coverage))] [INFO] [stdout] | ^^^^^^^^ [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:197:16 [INFO] [stdout] | [INFO] [stdout] 197 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:217:16 [INFO] [stdout] | [INFO] [stdout] 217 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/channel.rs:228:16 [INFO] [stdout] | [INFO] [stdout] 228 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:311:16 [INFO] [stdout] | [INFO] [stdout] 311 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:482:16 [INFO] [stdout] | [INFO] [stdout] 482 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:489:16 [INFO] [stdout] | [INFO] [stdout] 489 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:496:16 [INFO] [stdout] | [INFO] [stdout] 496 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:503:16 [INFO] [stdout] | [INFO] [stdout] 503 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `coverage` [INFO] [stdout] --> src/executor.rs:510:16 [INFO] [stdout] | [INFO] [stdout] 510 | #[cfg_attr(coverage, no_coverage)] [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(coverage)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(coverage)");` 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: `core::sync::atomic` [INFO] [stdout] --> src/lib.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | pub use core::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lock/once_cell.rs:150:13 [INFO] [stdout] | [INFO] [stdout] 150 | Err(e) => match e {}, [INFO] [stdout] | ^^^^^^ matches no values because `Infallible` is uninhabited [INFO] [stdout] | [INFO] [stdout] = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/lock/mod.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 342 | alloc::format!("{:?}", result); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `alloc::format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s [INFO] running `Command { std: "docker" "inspect" "6c36b04b805dcf56dc326ef1ed56d42d2516e67b7d7daf0e6f9a9b811e685a02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c36b04b805dcf56dc326ef1ed56d42d2516e67b7d7daf0e6f9a9b811e685a02", kill_on_drop: false }` [INFO] [stdout] 6c36b04b805dcf56dc326ef1ed56d42d2516e67b7d7daf0e6f9a9b811e685a02