[INFO] cloning repository https://github.com/DutchGhost/Genertools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DutchGhost/Genertools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDutchGhost%2FGenertools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDutchGhost%2FGenertools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be823d1781547c4768ba1bf75abbaf632d56ca94
[INFO] checking DutchGhost/Genertools against try#f77b5bc6c7c84df104f86b0dd01d9490e3923fa8 for pr-147834
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDutchGhost%2FGenertools" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DutchGhost/Genertools
[INFO] finished tweaking git repo https://github.com/DutchGhost/Genertools
[INFO] tweaked toml for git repo https://github.com/DutchGhost/Genertools written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DutchGhost/Genertools on toolchain f77b5bc6c7c84df104f86b0dd01d9490e3923fa8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DutchGhost/Genertools 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" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 921bbde267010cdd40ee7d8e6cfc8715694a49d28aa8ead8c1b324445bb37f02
[INFO] running `Command { std: "docker" "start" "-a" "921bbde267010cdd40ee7d8e6cfc8715694a49d28aa8ead8c1b324445bb37f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921bbde267010cdd40ee7d8e6cfc8715694a49d28aa8ead8c1b324445bb37f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921bbde267010cdd40ee7d8e6cfc8715694a49d28aa8ead8c1b324445bb37f02", kill_on_drop: false }`
[INFO] [stdout] 921bbde267010cdd40ee7d8e6cfc8715694a49d28aa8ead8c1b324445bb37f02
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f77b5bc6c7c84df104f86b0dd01d9490e3923fa8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea3fc574c9cc4697059fd71a5e38e2b82643a105c71f33aa5b4e43265254cfc
[INFO] running `Command { std: "docker" "start" "-a" "bea3fc574c9cc4697059fd71a5e38e2b82643a105c71f33aa5b4e43265254cfc", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking genertools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::pin::PinMut`
[INFO] [stdout]  --> src/aspin.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]  --> src/geniter.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]  --> src/gentrait.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::pin::PinMut`
[INFO] [stdout]  --> src/gentrait.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState`
[INFO] [stdout]  --> src/iter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::GeneratorState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |
[INFO] [stdout]   = note: unresolved item `gentrait::tests::GeneratorState` exists but is inaccessible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             yield 10u32;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             yield 20;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             yield 30;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             yield item;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |         try_yield!(iter.next_back());
[INFO] [stdout]     |         ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |             try_yield!(iter.next_back());
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         (None, None, Some(it_step)) => g!(x, for x in iter.step_by(it_step)),
[INFO] [stdout]     |                                        ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |         (None, Some(it_stop), None) => g!(x, for x in iter.take(it_stop)),
[INFO] [stdout]     |                                        ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         (None, Some(it_stop), Some(it_step)) => g!(x, for x in iter.step_by(it_step).take(it_stop)),
[INFO] [stdout]     |                                                 --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |         (Some(it_start), None, None) => g!(x, for x in iter.skip(it_start)),
[INFO] [stdout]     |                                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |             g!(x, for x in iter.skip(it_start).step_by(it_step))
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         (Some(it_start), Some(it_stop), None) => g!(x, for x in iter.skip(it_start).take(it_stop)),
[INFO] [stdout]     |                                                  ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |             g!(x, for x in iter.skip(it_start).step_by(it_step).take(it_stop))
[INFO] [stdout]     |             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/gentrait.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn next(PinMut<Self>) -> Option<Self::Yielding>;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: PinMut<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/gentrait.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     unsafe fn resume(PinMut<Self>) -> GeneratorState<Self::Yielding, Self::Returning>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: PinMut<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             yield item;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |         try_yield!(iter.next_back());
[INFO] [stdout]     |         ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |             try_yield!(iter.next_back());
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         (None, None, Some(it_step)) => g!(x, for x in iter.step_by(it_step)),
[INFO] [stdout]     |                                        ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |         (None, Some(it_stop), None) => g!(x, for x in iter.take(it_stop)),
[INFO] [stdout]     |                                        ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         (None, Some(it_stop), Some(it_step)) => g!(x, for x in iter.step_by(it_step).take(it_stop)),
[INFO] [stdout]     |                                                 --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |         (Some(it_start), None, None) => g!(x, for x in iter.skip(it_start)),
[INFO] [stdout]     |                                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |             g!(x, for x in iter.skip(it_start).step_by(it_step))
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         (Some(it_start), Some(it_stop), None) => g!(x, for x in iter.skip(it_start).take(it_stop)),
[INFO] [stdout]     |                                                  ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |             g!(x, for x in iter.skip(it_start).step_by(it_step).take(it_stop))
[INFO] [stdout]     |             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             yield 10u32;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/gentrait.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             yield 10u32;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut quick_iter = (#[coroutine] move || {
[INFO] [stdout]     |                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             yield 20;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             yield 30;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |                                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genertools` (lib test) due to 61 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `std::pin::PinMut`
[INFO] [stdout]  --> src/aspin.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]  --> src/geniter.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]  --> src/gentrait.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Generator, GeneratorState};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |                |
[INFO] [stdout]   |                no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::pin::PinMut`
[INFO] [stdout]  --> src/gentrait.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::pin::PinMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no `PinMut` in `pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState`
[INFO] [stdout]  --> src/iter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::GeneratorState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |             yield 10u32;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             yield 20;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/gentrait.rs:196:13
[INFO] [stdout]     |
[INFO] [stdout] 196 |             yield 30;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             yield item;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |         try_yield!(iter.next_back());
[INFO] [stdout]     |         ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |             try_yield!(iter.next_back());
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         (None, None, Some(it_step)) => g!(x, for x in iter.step_by(it_step)),
[INFO] [stdout]     |                                        ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |         (None, Some(it_stop), None) => g!(x, for x in iter.take(it_stop)),
[INFO] [stdout]     |                                        ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         (None, Some(it_stop), Some(it_step)) => g!(x, for x in iter.step_by(it_step).take(it_stop)),
[INFO] [stdout]     |                                                 --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |         (Some(it_start), None, None) => g!(x, for x in iter.skip(it_start)),
[INFO] [stdout]     |                                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |             g!(x, for x in iter.skip(it_start).step_by(it_step))
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         (Some(it_start), Some(it_stop), None) => g!(x, for x in iter.skip(it_start).take(it_stop)),
[INFO] [stdout]     |                                                  ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |             g!(x, for x in iter.skip(it_start).step_by(it_step).take(it_stop))
[INFO] [stdout]     |             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/gentrait.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn next(PinMut<Self>) -> Option<Self::Yielding>;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: PinMut<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/gentrait.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     unsafe fn resume(PinMut<Self>) -> GeneratorState<Self::Yielding, Self::Returning>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: PinMut<Self>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 |     iter!(yield x)
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         yield x
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |             yield start;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:83:27
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if f(&item) { yield item } else { break }
[INFO] [stdout]    |                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             yield item;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/iter.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |             Some(x) => yield x,
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |         try_yield!(iter.next());
[INFO] [stdout]    |         ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout]  6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]    |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |         try_yield!(iter.next_back());
[INFO] [stdout]     |         ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 112 |             try_yield!(iter.next());
[INFO] [stdout]     |             ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:30:24
[INFO] [stdout]     |
[INFO] [stdout]  30 |             Some(x) => yield x,
[INFO] [stdout]     |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |             try_yield!(iter.next_back());
[INFO] [stdout]     |             ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `try_yield` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |         g!(x, for x in it)
[INFO] [stdout]     |         ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |         (None, None, None) => g!(x, for x in iter),
[INFO] [stdout]     |                               -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]   6 |         $crate::geniter::GenIter::new(#[coroutine] move || { $($b)* })
[INFO] [stdout]     |                                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |         (None, None, Some(it_step)) => g!(x, for x in iter.step_by(it_step)),
[INFO] [stdout]     |                                        ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |         (None, Some(it_stop), None) => g!(x, for x in iter.take(it_stop)),
[INFO] [stdout]     |                                        ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |         (None, Some(it_stop), Some(it_step)) => g!(x, for x in iter.step_by(it_step).take(it_stop)),
[INFO] [stdout]     |                                                 --------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |         (Some(it_start), None, None) => g!(x, for x in iter.skip(it_start)),
[INFO] [stdout]     |                                         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 159 |             g!(x, for x in iter.skip(it_start).step_by(it_step))
[INFO] [stdout]     |             ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         (Some(it_start), Some(it_stop), None) => g!(x, for x in iter.skip(it_start).take(it_stop)),
[INFO] [stdout]     |                                                  ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/iter.rs:39:13
[INFO] [stdout]     |
[INFO] [stdout]  39 |             yield $exp
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |             g!(x, for x in iter.skip(it_start).step_by(it_step).take(it_stop))
[INFO] [stdout]     |             ------------------------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-10-25; consider upgrading it if it is out of date
[INFO] [stdout]     = note: this error originates in the macro `g` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pin` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |                                         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]  --> src/lib.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait, pin)]
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genertools` (lib) due to 57 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bea3fc574c9cc4697059fd71a5e38e2b82643a105c71f33aa5b4e43265254cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea3fc574c9cc4697059fd71a5e38e2b82643a105c71f33aa5b4e43265254cfc", kill_on_drop: false }`
[INFO] [stdout] bea3fc574c9cc4697059fd71a5e38e2b82643a105c71f33aa5b4e43265254cfc
