[INFO] fetching crate genawaiter2 0.100.1...
[INFO] testing genawaiter2-0.100.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate genawaiter2 0.100.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate genawaiter2 0.100.1
[INFO] finished tweaking crates.io crate genawaiter2 0.100.1
[INFO] tweaked toml for crates.io crate genawaiter2 0.100.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate genawaiter2 0.100.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate genawaiter2 0.100.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.134
[INFO] [stderr]   Downloaded genawaiter2-macro v0.100.1
[INFO] [stderr]   Downloaded syn-mid v0.5.4
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded genawaiter2-proc-macro v0.100.1
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b88ececbaf954fb32d9a22464ee50793c1330dd2970709dfd9c5965908a50e2
[INFO] running `Command { std: "docker" "start" "-a" "0b88ececbaf954fb32d9a22464ee50793c1330dd2970709dfd9c5965908a50e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b88ececbaf954fb32d9a22464ee50793c1330dd2970709dfd9c5965908a50e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b88ececbaf954fb32d9a22464ee50793c1330dd2970709dfd9c5965908a50e2", kill_on_drop: false }`
[INFO] [stdout] 0b88ececbaf954fb32d9a22464ee50793c1330dd2970709dfd9c5965908a50e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7b40bcd66c02fc2475973ce3e5ab35d58e0e69b7da62be6b2ca5ea75a53f060
[INFO] running `Command { std: "docker" "start" "-a" "a7b40bcd66c02fc2475973ce3e5ab35d58e0e69b7da62be6b2ca5ea75a53f060", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling genawaiter2-macro v0.100.1
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]    Compiling genawaiter2-proc-macro v0.100.1
[INFO] [stderr]    Compiling genawaiter2 v0.100.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/ops.rs:44:5
[INFO] [stdout]     |
[INFO] [stdout]  44 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:260:73
[INFO] [stdout]     |
[INFO] [stdout] 260 | #![warn(future_incompatible, rust_2018_compatibility, rust_2018_idioms, unused)]
[INFO] [stdout]     |                                                                         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/rc/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/stack/generator.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/stack/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/sync/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "a7b40bcd66c02fc2475973ce3e5ab35d58e0e69b7da62be6b2ca5ea75a53f060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7b40bcd66c02fc2475973ce3e5ab35d58e0e69b7da62be6b2ca5ea75a53f060", kill_on_drop: false }`
[INFO] [stdout] a7b40bcd66c02fc2475973ce3e5ab35d58e0e69b7da62be6b2ca5ea75a53f060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b75f195febea4505c4f457a9dc93ea048580be3236cd6c46e15938e7cb3c2865
[INFO] running `Command { std: "docker" "start" "-a" "b75f195febea4505c4f457a9dc93ea048580be3236cd6c46e15938e7cb3c2865", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling winnow v0.6.20
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling target-triple v0.1.3
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/ops.rs:44:5
[INFO] [stdout]     |
[INFO] [stdout]  44 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:260:73
[INFO] [stdout]     |
[INFO] [stdout] 260 | #![warn(future_incompatible, rust_2018_compatibility, rust_2018_idioms, unused)]
[INFO] [stdout]     |                                                                         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/rc/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/stack/generator.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/stack/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/sync/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling toml v0.8.19
[INFO] [stderr]    Compiling trybuild v1.0.101
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling genawaiter2 v0.100.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]   --> src/stack/iterator.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let_gen_using!(gen, produce);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout] 30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::stack::Shelf;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]   --> src/stack/iterator.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let_gen_using!(gen, produce);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout] 32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::rc::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::stack::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::sync::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]   --> src/stack/iterator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let_gen_using!(gen, produce);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout] 30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::stack::Shelf;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]   --> src/stack/iterator.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let_gen_using!(gen, produce);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout] 32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::rc::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::stack::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 55 +     use crate::sync::Gen;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let_gen_using!(gen, simple_producer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let_gen_using!(gen, simple_producer);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let_gen_using!(gen, |co| gen(5, co));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |         let_gen_using!(gen, |co| gen(5, co));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let_gen_using!(gen, |co| gen(&resumes, co));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:390:9
[INFO] [stdout]     |
[INFO] [stdout] 390 |         let_gen_using!(gen, |co| gen(&resumes, co));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let_gen_using!(gen, wrong);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let_gen_using!(gen, wrong);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let_gen_using!(gen, wrong);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:422:9
[INFO] [stdout]     |
[INFO] [stdout] 422 |         let_gen_using!(gen, wrong);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let_gen_using!(gen, shenanigans);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let_gen_using!(gen, shenanigans);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:455:13
[INFO] [stdout]     |
[INFO] [stdout] 455 | /             let_gen_using!(gen, |mut co| {
[INFO] [stdout] 456 | |                 async move {
[INFO] [stdout] 457 | |                     let _set_on_drop = SetFlagOnDrop(capture_the_flag);
[INFO] [stdout] 458 | |                     co.yield_(10).await;
[INFO] [stdout] ...   |
[INFO] [stdout] 462 | |             });
[INFO] [stdout]     | |______________^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:30:25
[INFO] [stdout]     |
[INFO] [stdout]  30 -         let mut shelf = genawaiter2::stack::Shelf::new();
[INFO] [stdout]  30 +         let mut shelf = genawaiter::stack::Shelf::new();
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Shelf;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]    --> src/stack/mod.rs:455:13
[INFO] [stdout]     |
[INFO] [stdout] 455 | /             let_gen_using!(gen, |mut co| {
[INFO] [stdout] 456 | |                 async move {
[INFO] [stdout] 457 | |                     let _set_on_drop = SetFlagOnDrop(capture_the_flag);
[INFO] [stdout] 458 | |                     co.yield_(10).await;
[INFO] [stdout] ...   |
[INFO] [stdout] 462 | |             });
[INFO] [stdout]     | |______________^ use of unresolved module or unlinked crate `genawaiter2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `let_gen_using` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/genawaiter2-macro-0.100.1/src/lib.rs:32:22
[INFO] [stdout]     |
[INFO] [stdout]  32 -             unsafe { genawaiter2::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]  32 +             unsafe { genawaiter::stack::Gen::new(&mut shelf, $producer) };
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::rc::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::stack::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 343 +     use crate::sync::Gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:265:1
[INFO] [stdout]     |
[INFO] [stdout] 265 | extern crate self as genawaiter;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:260:73
[INFO] [stdout]     |
[INFO] [stdout] 260 | #![warn(future_incompatible, rust_2018_compatibility, rust_2018_idioms, unused)]
[INFO] [stdout]     |                                                                         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 264 - #[cfg(test)]
[INFO] [stdout] 265 - extern crate self as genawaiter;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/ops.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/rc/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/stack/generator.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/stack/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]  --> src/sync/iterator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     #[must_use]
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, traits, and unions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/stack/mod.rs:434:13
[INFO] [stdout]     |
[INFO] [stdout] 434 |         let mut escaped_co = match gen.resume() {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 |         let _ = escaped_co.yield_(10);
[INFO] [stdout]     |                 ---------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `escaped_co` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 434 |         let mut escaped_co: /* Type */ = match gen.resume() {
[INFO] [stdout]     |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/stack/mod.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let_gen_using!(gen, |mut co| {
[INFO] [stdout]     |                                  ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 458 |                     co.yield_(10).await;
[INFO] [stdout]     |                     -- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 455 |             let_gen_using!(gen, |mut co: /* Type */| {
[INFO] [stdout]     |                                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `genawaiter2` (lib test) due to 20 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b75f195febea4505c4f457a9dc93ea048580be3236cd6c46e15938e7cb3c2865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75f195febea4505c4f457a9dc93ea048580be3236cd6c46e15938e7cb3c2865", kill_on_drop: false }`
[INFO] [stdout] b75f195febea4505c4f457a9dc93ea048580be3236cd6c46e15938e7cb3c2865