[INFO] fetching crate verypoll 0.1.0... [INFO] testing verypoll-0.1.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate verypoll 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate verypoll 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate verypoll 0.1.0 [INFO] tweaked toml for crates.io crate verypoll 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate verypoll 0.1.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate verypoll 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9e348d6b73aaa6c071d91f5acb63a1222fc889173507c0948cb6b44578eacd7 [INFO] running `Command { std: "docker" "start" "-a" "d9e348d6b73aaa6c071d91f5acb63a1222fc889173507c0948cb6b44578eacd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9e348d6b73aaa6c071d91f5acb63a1222fc889173507c0948cb6b44578eacd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9e348d6b73aaa6c071d91f5acb63a1222fc889173507c0948cb6b44578eacd7", kill_on_drop: false }` [INFO] [stdout] d9e348d6b73aaa6c071d91f5acb63a1222fc889173507c0948cb6b44578eacd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 326f59f6b4cba27b5e8325a0210725aaef3956b8b23855ee08f3cfe206bf67b2 [INFO] running `Command { std: "docker" "start" "-a" "326f59f6b4cba27b5e8325a0210725aaef3956b8b23855ee08f3cfe206bf67b2", kill_on_drop: false }` [INFO] [stderr] Compiling verypoll v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` 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: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:432:9 [INFO] [stdout] | [INFO] [stdout] 432 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` 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: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:723:9 [INFO] [stdout] | [INFO] [stdout] 723 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "326f59f6b4cba27b5e8325a0210725aaef3956b8b23855ee08f3cfe206bf67b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "326f59f6b4cba27b5e8325a0210725aaef3956b8b23855ee08f3cfe206bf67b2", kill_on_drop: false }` [INFO] [stdout] 326f59f6b4cba27b5e8325a0210725aaef3956b8b23855ee08f3cfe206bf67b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3818d35dd82dfbde5f588564727d8f6851054a29a59be7c43389092c5901936 [INFO] running `Command { std: "docker" "start" "-a" "c3818d35dd82dfbde5f588564727d8f6851054a29a59be7c43389092c5901936", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling env_logger v0.10.1 [INFO] [stderr] Compiling verypoll v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` 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: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:432:9 [INFO] [stdout] | [INFO] [stdout] 432 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` 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: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:723:9 [INFO] [stdout] | [INFO] [stdout] 723 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stdout] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:10:24 [INFO] [stdout] | [INFO] [stdout] 10 | #![cfg_attr(test, deny(warnings))] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:432:9 [INFO] [stdout] | [INFO] [stdout] 432 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` 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: `verypoll_unsupported_force_poll_poll` [INFO] [stdout] --> src/poll.rs:723:9 [INFO] [stdout] | [INFO] [stdout] 723 | not(verypoll_unsupported_force_poll_poll), [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(verypoll_unsupported_force_poll_poll)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "c3818d35dd82dfbde5f588564727d8f6851054a29a59be7c43389092c5901936", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3818d35dd82dfbde5f588564727d8f6851054a29a59be7c43389092c5901936", kill_on_drop: false }` [INFO] [stdout] c3818d35dd82dfbde5f588564727d8f6851054a29a59be7c43389092c5901936 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e5bd08c9eb63fa01005b6a67f52592a7c66052bc384a71e945d6d0516c0632b3 [INFO] running `Command { std: "docker" "start" "-a" "e5bd08c9eb63fa01005b6a67f52592a7c66052bc384a71e945d6d0516c0632b3", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stderr] --> src/poll.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | not(verypoll_unsupported_force_poll_poll), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(verypoll_unsupported_force_poll_poll)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stderr] --> src/poll.rs:432:9 [INFO] [stderr] | [INFO] [stderr] 432 | not(verypoll_unsupported_force_poll_poll), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(verypoll_unsupported_force_poll_poll)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stderr] --> src/poll.rs:723:9 [INFO] [stderr] | [INFO] [stderr] 723 | not(verypoll_unsupported_force_poll_poll), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(verypoll_unsupported_force_poll_poll)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: `verypoll` (lib) generated 3 warnings [INFO] [stderr] warning: unexpected `cfg` condition name: `verypoll_unsupported_force_poll_poll` [INFO] [stderr] --> src/poll.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | not(verypoll_unsupported_force_poll_poll), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(verypoll_unsupported_force_poll_poll)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(verypoll_unsupported_force_poll_poll)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:10:24 [INFO] [stderr] | [INFO] [stderr] 10 | #![cfg_attr(test, deny(warnings))] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: `verypoll` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/verypoll-12408cb85a2f4bd0) [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] [stderr] Doc-tests verypoll [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test src/event/events.rs - event::events::Events (line 20) ... ignored [INFO] [stdout] test src/event/events.rs - event::events::Events::clear (line 164) ... ignored [INFO] [stdout] test src/event/events.rs - event::events::Events::iter (line 128) ... ignored [INFO] [stdout] test src/event/events.rs - event::events::Iter (line 55) ... ignored [INFO] [stdout] test src/event/source.rs - event::source::Source (line 41) ... ignored [INFO] [stdout] test src/lib.rs - guide (line 136) ... ignored [INFO] [stdout] test src/lib.rs - guide (line 170) ... ignored [INFO] [stdout] test src/lib.rs - guide (line 208) ... ignored [INFO] [stdout] test src/poll.rs - poll::Poll (line 137) ... ignored [INFO] [stdout] test src/poll.rs - poll::Poll (line 41) ... ignored [INFO] [stdout] test src/poll.rs - poll::Poll::poll (line 375) ... ignored [INFO] [stdout] test src/poll.rs - poll::Registry::deregister (line 646) ... ignored [INFO] [stdout] test src/poll.rs - poll::Registry::register (line 501) ... ignored [INFO] [stdout] test src/poll.rs - poll::Registry::reregister (line 579) ... ignored [INFO] [stdout] test src/token.rs - token::Token (line 20) ... ignored [INFO] [stdout] test src/waker.rs - waker::Waker (line 37) ... ignored [INFO] [stdout] test src/event/events.rs - event::events::Events::is_empty (line 114) ... ok [INFO] [stdout] test src/interest.rs - interest::Interest::add (line 58) ... ok [INFO] [stdout] test src/interest.rs - interest::Interest::remove (line 75) ... ok [INFO] [stdout] test src/event/events.rs - event::events::Events::with_capacity (line 86) ... ok [INFO] [stdout] test src/event/events.rs - event::events::Events::capacity (line 100) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 16 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e5bd08c9eb63fa01005b6a67f52592a7c66052bc384a71e945d6d0516c0632b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5bd08c9eb63fa01005b6a67f52592a7c66052bc384a71e945d6d0516c0632b3", kill_on_drop: false }` [INFO] [stdout] e5bd08c9eb63fa01005b6a67f52592a7c66052bc384a71e945d6d0516c0632b3