[INFO] fetching crate magnus 0.6.2...
[INFO] checking magnus-0.6.2 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate magnus 0.6.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate magnus 0.6.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate magnus 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate magnus 0.6.2
[INFO] tweaked toml for crates.io crate magnus 0.6.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate magnus 0.6.2 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rb-sys-build v0.9.81
[INFO] [stderr]   Downloaded rb-sys-env v0.1.2
[INFO] [stderr]   Downloaded rb-sys v0.9.81
[INFO] [stderr]   Downloaded magnus-macros v0.6.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8559821eb962aec8515cc4e995a47b02464f79d79f542ee0b811ec87e5a3bf54
[INFO] running `Command { std: "docker" "start" "-a" "8559821eb962aec8515cc4e995a47b02464f79d79f542ee0b811ec87e5a3bf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8559821eb962aec8515cc4e995a47b02464f79d79f542ee0b811ec87e5a3bf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8559821eb962aec8515cc4e995a47b02464f79d79f542ee0b811ec87e5a3bf54", kill_on_drop: false }`
[INFO] [stdout] 8559821eb962aec8515cc4e995a47b02464f79d79f542ee0b811ec87e5a3bf54
[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=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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09db210c067fd3aef8bb82d4905b95222a7bd0a0ae9346e6fa743e2d1c4d71ce
[INFO] running `Command { std: "docker" "start" "-a" "09db210c067fd3aef8bb82d4905b95222a7bd0a0ae9346e6fa743e2d1c4d71ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling magnus v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.81
[INFO] [stderr]    Compiling rb-sys v0.9.81
[INFO] [stdout] error[E0432]: unresolved import `magnus::embed`
[INFO] [stdout]  --> tests/typed_data_obj.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     embed::init, function, gc, method, prelude::*, typed_data::Obj, value::Opaque,
[INFO] [stdout]   |     ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/integer_convert_to_value.rs:3:33
[INFO] [stdout]      |
[INFO] [stdout] 3    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> tests/typed_data_obj.rs:2:40
[INFO] [stdout]   |
[INFO] [stdout] 2 |     embed::init, function, gc, method, prelude::*, typed_data::Obj, value::Opaque,
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/float_convert_to_value.rs:3:33
[INFO] [stdout]      |
[INFO] [stdout] 3    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/freeze.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `init` found for struct `Ruby` in the current scope
[INFO] [stdout]    --> examples/hello_world.rs:6:19
[INFO] [stdout]     |
[INFO] [stdout] 6   |     magnus::Ruby::init(|ruby| {
[INFO] [stdout]     |                   ^^^^ function or associated item not found in `Ruby`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Ruby` consider using one of the following associated functions:
[INFO] [stdout]       Ruby::get
[INFO] [stdout]       Ruby::get_with
[INFO] [stdout]       Ruby::get_unchecked
[INFO] [stdout]    --> /opt/rustwide/workdir/src/api.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |       pub fn get() -> Result<Self, RubyUnavailableError> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | /     pub fn get_with<T>(value: T) -> Self
[INFO] [stdout] 159 | |     where
[INFO] [stdout] 160 | |         T: ReprValue,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] ...
[INFO] [stdout] 173 |       pub unsafe fn get_unchecked() -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "typed_data_obj") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/hash.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> tests/freeze.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use magnus::{prelude::*, rb_assert, Value};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/tuple_to_array.rs:3:33
[INFO] [stdout]      |
[INFO] [stdout] 3    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `init` found for struct `Ruby` in the current scope
[INFO] [stdout]    --> examples/mut_point.rs:40:19
[INFO] [stdout]     |
[INFO] [stdout] 40  |     magnus::Ruby::init(|ruby| {
[INFO] [stdout]     |                   ^^^^ function or associated item not found in `Ruby`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Ruby` consider using one of the following associated functions:
[INFO] [stdout]       Ruby::get
[INFO] [stdout]       Ruby::get_with
[INFO] [stdout]       Ruby::get_unchecked
[INFO] [stdout]    --> /opt/rustwide/workdir/src/api.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |       pub fn get() -> Result<Self, RubyUnavailableError> {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 | /     pub fn get_with<T>(value: T) -> Self
[INFO] [stdout] 159 | |     where
[INFO] [stdout] 160 | |         T: ReprValue,
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] ...
[INFO] [stdout] 173 |       pub unsafe fn get_unchecked() -> Self {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/lazy_id.rs:7:34
[INFO] [stdout]      |
[INFO] [stdout] 7    |     let _ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                  ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/block_call.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/encoding_capable.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/array_slice.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> examples/mut_point.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use magnus::{function, method, prelude::*, wrap};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (example "hello_world") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "float_convert_to_value") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `magnus::prelude`
[INFO] [stdout]  --> tests/encoding_capable.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use magnus::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "freeze") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `magnus` (test "hash") due to 2 previous errors
[INFO] [stderr] error: could not compile `magnus` (test "tuple_to_array") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (example "mut_point") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "encoding_capable") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] error: could not compile `magnus` (test "lazy_id") due to 2 previous errors
[INFO] [stderr] error: could not compile `magnus` (test "integer_convert_to_value") due to 2 previous errors
[INFO] [stderr] error: could not compile `magnus` (test "block_call") due to 2 previous errors
[INFO] [stderr] error: could not compile `magnus` (test "array_slice") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/symbol.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/try_convert_array.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `embed` in `magnus`
[INFO] [stdout]     --> tests/bytes.rs:5:33
[INFO] [stdout]      |
[INFO] [stdout] 5    |     let ruby = unsafe { magnus::embed::init() };
[INFO] [stdout]      |                                 ^^^^^ could not find `embed` in `magnus`
[INFO] [stdout]      |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]     --> /opt/rustwide/workdir/src/lib.rs:1799:9
[INFO] [stdout]      |
[INFO] [stdout] 1799 | pub mod embed;
[INFO] [stdout]      |         ^^^^^
[INFO] [stdout]      = note: the item is gated behind the `embed` feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `bytes`
[INFO] [stdout]  --> tests/bytes.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |     assert_eq!(bytes::Bytes::from_static(&[0, 0, 0]), s.to_bytes());
[INFO] [stdout]   |                ^^^^^ use of undeclared crate or module `bytes`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 1 + use core::str::Bytes;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::io::Bytes;
[INFO] [stdout]   |
[INFO] [stdout] 1 + use std::str::Bytes;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Bytes`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 8 -     assert_eq!(bytes::Bytes::from_static(&[0, 0, 0]), s.to_bytes());
[INFO] [stdout] 8 +     assert_eq!(Bytes::from_static(&[0, 0, 0]), s.to_bytes());
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "try_convert_array") due to 2 previous errors
[INFO] [stderr] error: could not compile `magnus` (test "symbol") due to 2 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (test "bytes") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "09db210c067fd3aef8bb82d4905b95222a7bd0a0ae9346e6fa743e2d1c4d71ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09db210c067fd3aef8bb82d4905b95222a7bd0a0ae9346e6fa743e2d1c4d71ce", kill_on_drop: false }`
[INFO] [stdout] 09db210c067fd3aef8bb82d4905b95222a7bd0a0ae9346e6fa743e2d1c4d71ce
[INFO] checking magnus-0.6.2 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate magnus 0.6.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate magnus 0.6.2 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate magnus 0.6.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate magnus 0.6.2
[INFO] tweaked toml for crates.io crate magnus 0.6.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate magnus 0.6.2 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a50d22d058ad832bcf29314842f15d35c077bc07c9bcb1283d4d6c54024220
[INFO] running `Command { std: "docker" "start" "-a" "74a50d22d058ad832bcf29314842f15d35c077bc07c9bcb1283d4d6c54024220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a50d22d058ad832bcf29314842f15d35c077bc07c9bcb1283d4d6c54024220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a50d22d058ad832bcf29314842f15d35c077bc07c9bcb1283d4d6c54024220", kill_on_drop: false }`
[INFO] [stdout] 74a50d22d058ad832bcf29314842f15d35c077bc07c9bcb1283d4d6c54024220
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 433007b94f5f90b4d6e5b3ecd9bb1dba285f48b4fd9a873005877443f2b1b93b
[INFO] running `Command { std: "docker" "start" "-a" "433007b94f5f90b4d6e5b3ecd9bb1dba285f48b4fd9a873005877443f2b1b93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rb-sys-env v0.1.2
[INFO] [stderr]    Compiling seq-macro v0.3.5
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling magnus v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling aho-corasick v1.0.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling magnus-macros v0.6.0
[INFO] [stderr]    Compiling rb-sys-build v0.9.81
[INFO] [stderr]    Compiling rb-sys v0.9.81
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/lib.rs:1785:13
[INFO] [stdout]      |
[INFO] [stdout] 1785 | #![cfg_attr(docsrs, feature(doc_cfg))]
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `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`, `unix`, `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:1845:7
[INFO] [stdout]      |
[INFO] [stdout] 1845 | #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:1847:7
[INFO] [stdout]      |
[INFO] [stdout] 1847 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]     --> src/lib.rs:1856:7
[INFO] [stdout]      |
[INFO] [stdout] 1856 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:2693:7
[INFO] [stdout]      |
[INFO] [stdout] 2693 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:2721:7
[INFO] [stdout]      |
[INFO] [stdout] 2721 | #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]  --> src/binding.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]  --> src/binding.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]   --> src/binding.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[cfg_attr(docsrs, doc(cfg(ruby_lte_3_1)))]
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]   --> src/binding.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]   --> src/block.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/block.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]  --> src/class.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(ruby_gte_3_1)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]     --> src/class.rs:1555:11
[INFO] [stdout]      |
[INFO] [stdout] 1555 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/class.rs:1555:25
[INFO] [stdout]      |
[INFO] [stdout] 1555 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/class.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         debug_assert_value!(superclass);
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]    --> src/class.rs:996:15
[INFO] [stdout]     |
[INFO] [stdout] 996 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/class.rs:996:29
[INFO] [stdout]     |
[INFO] [stdout] 996 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/error.rs:499:15
[INFO] [stdout]     |
[INFO] [stdout] 499 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/error.rs:504:15
[INFO] [stdout]     |
[INFO] [stdout] 504 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/lib.rs:1785:13
[INFO] [stdout]      |
[INFO] [stdout] 1785 | #![cfg_attr(docsrs, feature(doc_cfg))]
[INFO] [stdout]      |             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `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`, `unix`, `windows`
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]  --> src/exception.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:1845:7
[INFO] [stdout]      |
[INFO] [stdout] 1845 | #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]  --> src/exception.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(ruby_gte_3_1)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:1847:7
[INFO] [stdout]      |
[INFO] [stdout] 1847 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/exception.rs:1312:11
[INFO] [stdout]      |
[INFO] [stdout] 1312 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]     --> src/lib.rs:1856:7
[INFO] [stdout]      |
[INFO] [stdout] 1856 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:2693:7
[INFO] [stdout]      |
[INFO] [stdout] 2693 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1312:25
[INFO] [stdout]      |
[INFO] [stdout] 1312 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:2721:7
[INFO] [stdout]      |
[INFO] [stdout] 2721 | #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1313:12
[INFO] [stdout]      |
[INFO] [stdout] 1313 | #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]     --> src/exception.rs:1330:11
[INFO] [stdout]      |
[INFO] [stdout] 1330 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1330:25
[INFO] [stdout]      |
[INFO] [stdout] 1330 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]  --> src/binding.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/exception.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         debug_assert_value!(val);
[INFO] [stdout]    |         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]  --> src/binding.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]   --> src/binding.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/exception.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:47:29
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/exception.rs:638:15
[INFO] [stdout]     |
[INFO] [stdout] 638 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |     #[cfg_attr(docsrs, doc(cfg(ruby_lte_3_1)))]
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lte_3_1`
[INFO] [stdout]   --> src/binding.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:638:29
[INFO] [stdout]     |
[INFO] [stdout] 638 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:639:16
[INFO] [stdout]     |
[INFO] [stdout] 639 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]   --> src/binding.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[cfg(any(ruby_lte_3_1, docsrs))]
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]    --> src/exception.rs:662:15
[INFO] [stdout]     |
[INFO] [stdout] 662 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]   --> src/block.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:662:29
[INFO] [stdout]     |
[INFO] [stdout] 662 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/block.rs:151:15
[INFO] [stdout]     |
[INFO] [stdout] 151 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/float.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |             #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]  --> src/class.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(ruby_gte_3_1)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |             #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]     --> src/class.rs:1555:11
[INFO] [stdout]      |
[INFO] [stdout] 1555 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |             if cfg!(ruby_use_flonum) && val.is_flonum() {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/class.rs:1555:25
[INFO] [stdout]      |
[INFO] [stdout] 1555 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/float.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             debug_assert_value!(val);
[INFO] [stdout]    |             ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/float.rs:143:15
[INFO] [stdout]     |
[INFO] [stdout] 143 |         #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/float.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 debug_assert_value!(val);
[INFO] [stdout]     |                 ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/gc.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:208:11
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:219:11
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:219:25
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/class.rs:482:9
[INFO] [stdout]     |
[INFO] [stdout] 482 |         debug_assert_value!(superclass);
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]    --> src/class.rs:996:15
[INFO] [stdout]     |
[INFO] [stdout] 996 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/class.rs:996:29
[INFO] [stdout]     |
[INFO] [stdout] 996 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:178:15
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/error.rs:499:15
[INFO] [stdout]     |
[INFO] [stdout] 499 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/error.rs:504:15
[INFO] [stdout]     |
[INFO] [stdout] 504 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]  --> src/exception.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]  --> src/exception.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(ruby_gte_3_1)]
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/exception.rs:1312:11
[INFO] [stdout]      |
[INFO] [stdout] 1312 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1312:25
[INFO] [stdout]      |
[INFO] [stdout] 1312 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1313:12
[INFO] [stdout]      |
[INFO] [stdout] 1313 | #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]      |            ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]     --> src/exception.rs:1330:11
[INFO] [stdout]      |
[INFO] [stdout] 1330 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/exception.rs:1330:25
[INFO] [stdout]      |
[INFO] [stdout] 1330 | #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]      |                         ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/exception.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         debug_assert_value!(val);
[INFO] [stdout]    |         ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/exception.rs:183:9
[INFO] [stdout]     |
[INFO] [stdout] 183 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/exception.rs:638:15
[INFO] [stdout]     |
[INFO] [stdout] 638 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:638:29
[INFO] [stdout]     |
[INFO] [stdout] 638 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:639:16
[INFO] [stdout]     |
[INFO] [stdout] 639 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_1`
[INFO] [stdout]    --> src/exception.rs:662:15
[INFO] [stdout]     |
[INFO] [stdout] 662 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_1)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/exception.rs:662:29
[INFO] [stdout]     |
[INFO] [stdout] 662 |     #[cfg(any(ruby_gte_3_1, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/integer.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             debug_assert_value!(val);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/integer.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 debug_assert_value!(val);
[INFO] [stdout]     |                 ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/float.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |             #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |             #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/float.rs:88:21
[INFO] [stdout]    |
[INFO] [stdout] 88 |             if cfg!(ruby_use_flonum) && val.is_flonum() {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/float.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             debug_assert_value!(val);
[INFO] [stdout]    |             ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/float.rs:143:15
[INFO] [stdout]     |
[INFO] [stdout] 143 |         #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/float.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |                 debug_assert_value!(val);
[INFO] [stdout]     |                 ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/gc.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:208:11
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:209:12
[INFO] [stdout]     |
[INFO] [stdout] 209 | #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:219:11
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |           ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:219:25
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/gc.rs:178:15
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:178:29
[INFO] [stdout]     |
[INFO] [stdout] 178 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/gc.rs:179:16
[INFO] [stdout]     |
[INFO] [stdout] 179 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/integer.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             debug_assert_value!(val);
[INFO] [stdout]     |             ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/integer.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 debug_assert_value!(val);
[INFO] [stdout]     |                 ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         debug_assert_value!(superclass);
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:621:9
[INFO] [stdout]     |
[INFO] [stdout] 621 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/object.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         debug_assert_value!(self);
[INFO] [stdout]    |         ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/object.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/object.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_array.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_array.rs:858:9
[INFO] [stdout]     |
[INFO] [stdout] 858 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/r_float.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         debug_assert_value!(superclass);
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/r_float.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/r_float.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:499:9
[INFO] [stdout]     |
[INFO] [stdout] 499 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |     #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 && (!cfg!(ruby_use_flonum) || !val.is_flonum()))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:557:9
[INFO] [stdout]     |
[INFO] [stdout] 557 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/module.rs:621:9
[INFO] [stdout]     |
[INFO] [stdout] 621 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_float.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/object.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         debug_assert_value!(self);
[INFO] [stdout]    |         ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/r_hash.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]   --> src/r_hash.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(ruby_gte_3_2)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/object.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]    --> src/r_hash.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/object.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]    --> src/r_hash.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/r_hash.rs:274:15
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_array.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:274:29
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:275:16
[INFO] [stdout]     |
[INFO] [stdout] 275 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/r_hash.rs:562:23
[INFO] [stdout]     |
[INFO] [stdout] 562 |                 #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_hash.rs:746:9
[INFO] [stdout]     |
[INFO] [stdout] 746 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_array.rs:858:9
[INFO] [stdout]     |
[INFO] [stdout] 858 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/r_string.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1100:16
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     #[cfg_attr(docsrs, doc(cfg(feature = "bytes")))]
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]     --> src/r_string.rs:1247:15
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(any(ruby_gte_3_0, docsrs))]
[INFO] [stdout]      |               ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1247:29
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(any(ruby_gte_3_0, docsrs))]
[INFO] [stdout]      |                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1248:16
[INFO] [stdout]      |
[INFO] [stdout] 1248 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_3_0)))]
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_bignum.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_string.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/r_string.rs:1471:9
[INFO] [stdout]      |
[INFO] [stdout] 1471 |         debug_assert_value!(self);
[INFO] [stdout]      |         ------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/r_float.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/r_float.rs:47:11
[INFO] [stdout]    |
[INFO] [stdout] 47 |     #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/r_string.rs:1800:17
[INFO] [stdout]      |
[INFO] [stdout] 1800 |                 debug_assert_value!(val);
[INFO] [stdout]      |                 ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/r_float.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 74 |     #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:146:11
[INFO] [stdout]     |
[INFO] [stdout] 146 |     #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/r_struct.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/r_struct.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:175:15
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[cfg(not(ruby_use_flonum))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/r_float.rs:110:27
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 && (!cfg!(ruby_use_flonum) || !val.is_flonum()))
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/r_struct.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]   --> src/r_struct.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[cfg(ruby_lt_2_7)]
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_float.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/r_hash.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_struct.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]   --> src/r_hash.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(ruby_gte_3_2)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]    --> src/r_hash.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:123:29
[INFO] [stdout]     |
[INFO] [stdout] 123 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_2`
[INFO] [stdout]    --> src/r_hash.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_2)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_typed_data.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |     #[cfg(any(ruby_gte_3_2, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/r_hash.rs:274:15
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:274:29
[INFO] [stdout]     |
[INFO] [stdout] 274 |     #[cfg(any(ruby_gte_2_7, docsrs))]
[INFO] [stdout]     |                             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/r_hash.rs:275:16
[INFO] [stdout]     |
[INFO] [stdout] 275 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_2_7)))]
[INFO] [stdout]     |                ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/r_hash.rs:562:23
[INFO] [stdout]     |
[INFO] [stdout] 562 |                 #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_hash.rs:746:9
[INFO] [stdout]     |
[INFO] [stdout] 746 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/r_string.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1100:16
[INFO] [stdout]      |
[INFO] [stdout] 1100 |     #[cfg_attr(docsrs, doc(cfg(feature = "bytes")))]
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]     --> src/r_string.rs:1247:15
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(any(ruby_gte_3_0, docsrs))]
[INFO] [stdout]      |               ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1247:29
[INFO] [stdout]      |
[INFO] [stdout] 1247 |     #[cfg(any(ruby_gte_3_0, docsrs))]
[INFO] [stdout]      |                             ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/r_string.rs:1248:16
[INFO] [stdout]      |
[INFO] [stdout] 1248 |     #[cfg_attr(docsrs, doc(cfg(ruby_gte_3_0)))]
[INFO] [stdout]      |                ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_string.rs:619:9
[INFO] [stdout]     |
[INFO] [stdout] 619 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/symbol.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             debug_assert_value!(val);
[INFO] [stdout]    |             ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/r_string.rs:1471:9
[INFO] [stdout]      |
[INFO] [stdout] 1471 |         debug_assert_value!(self);
[INFO] [stdout]      |         ------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/try_convert.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/r_string.rs:1800:17
[INFO] [stdout]      |
[INFO] [stdout] 1800 |                 debug_assert_value!(val);
[INFO] [stdout]      |                 ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/try_convert.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |         #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/r_struct.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/r_struct.rs:39:11
[INFO] [stdout]    |
[INFO] [stdout] 39 |     #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/r_struct.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 |     #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]   --> src/r_struct.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[cfg(ruby_lt_2_7)]
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_struct.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/r_typed_data.rs:372:9
[INFO] [stdout]     |
[INFO] [stdout] 372 |         debug_assert_value!(self);
[INFO] [stdout]     |         ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]   --> src/macros.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/symbol.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |             debug_assert_value!(val);
[INFO] [stdout]    |             ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/try_convert.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]    --> src/try_convert.rs:150:15
[INFO] [stdout]     |
[INFO] [stdout] 150 |         #[cfg(ruby_use_flonum)]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 154 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:189:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/typed_data.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:213:9
[INFO] [stdout]     |
[INFO] [stdout] 213 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/typed_data.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/typed_data.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]    --> src/typed_data.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |         #[cfg(ruby_gte_3_0)]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 332 |         #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:344:23
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:346:23
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/typed_data.rs:348:23
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/value.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/value.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/value.rs:1383:15
[INFO] [stdout]      |
[INFO] [stdout] 1383 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |               ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     impl_try_convert!(N);
[INFO] [stdout]     |     -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` which comes from the expansion of the macro `impl_try_convert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/value.rs:2855:13
[INFO] [stdout]      |
[INFO] [stdout] 2855 |             debug_assert_value!(val);
[INFO] [stdout]      |             ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/macros.rs:18:19
[INFO] [stdout]     |
[INFO] [stdout] 18  |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/try_convert.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         debug_assert_value!(val);
[INFO] [stdout]     |         ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]   --> src/typed_data.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[cfg(ruby_gte_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:2301:11
[INFO] [stdout]      |
[INFO] [stdout] 2301 |     #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:2325:11
[INFO] [stdout]      |
[INFO] [stdout] 2325 |     #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |           ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/typed_data.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_3_0`
[INFO] [stdout]   --> src/typed_data.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg(ruby_lt_3_0)]
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_3_0)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:2023:9
[INFO] [stdout]      |
[INFO] [stdout] 2023 |         debug_assert_value!(superclass);
[INFO] [stdout]      |         ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_3_0`
[INFO] [stdout]    --> src/typed_data.rs:317:15
[INFO] [stdout]     |
[INFO] [stdout] 317 |         #[cfg(ruby_gte_3_0)]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_3_0)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:2103:9
[INFO] [stdout]      |
[INFO] [stdout] 2103 |         debug_assert_value!(initial);
[INFO] [stdout]      |         ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:332:15
[INFO] [stdout]     |
[INFO] [stdout] 332 |         #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:344:23
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]    --> src/typed_data.rs:346:23
[INFO] [stdout]     |
[INFO] [stdout] 346 |                 #[cfg(ruby_gte_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]    --> src/typed_data.rs:348:23
[INFO] [stdout]     |
[INFO] [stdout] 348 |                 #[cfg(ruby_lt_2_7)]
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]  --> src/value.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_use_flonum`
[INFO] [stdout]   --> src/value.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[cfg(ruby_use_flonum)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_use_flonum)");` to the top of a `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/value.rs:1383:15
[INFO] [stdout]      |
[INFO] [stdout] 1383 |         #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |               ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/value.rs:2855:13
[INFO] [stdout]      |
[INFO] [stdout] 2855 |             debug_assert_value!(val);
[INFO] [stdout]      |             ------------------------ in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/lib.rs:2301:11
[INFO] [stdout]      |
[INFO] [stdout] 2301 |     #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |           ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_lt_2_7`
[INFO] [stdout]     --> src/lib.rs:2325:11
[INFO] [stdout]      |
[INFO] [stdout] 2325 |     #[cfg(ruby_lt_2_7)]
[INFO] [stdout]      |           ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_lt_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:2023:9
[INFO] [stdout]      |
[INFO] [stdout] 2023 |         debug_assert_value!(superclass);
[INFO] [stdout]      |         ------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `ruby_gte_2_7`
[INFO] [stdout]     --> src/macros.rs:18:19
[INFO] [stdout]      |
[INFO] [stdout] 18   |             #[cfg(ruby_gte_2_7)]
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]     ::: src/lib.rs:2103:9
[INFO] [stdout]      |
[INFO] [stdout] 2103 |         debug_assert_value!(initial);
[INFO] [stdout]      |         ---------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(ruby_gte_2_7)");` to the top of a `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]      = note: this error originates in the macro `debug_assert_value` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 146 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (lib test) due to 147 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 146 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `magnus` (lib) due to 147 previous errors
[INFO] running `Command { std: "docker" "inspect" "433007b94f5f90b4d6e5b3ecd9bb1dba285f48b4fd9a873005877443f2b1b93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "433007b94f5f90b4d6e5b3ecd9bb1dba285f48b4fd9a873005877443f2b1b93b", kill_on_drop: false }`
[INFO] [stdout] 433007b94f5f90b4d6e5b3ecd9bb1dba285f48b4fd9a873005877443f2b1b93b
