[INFO] fetching crate genawaiter 0.99.1...
[INFO] testing genawaiter-0.99.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate genawaiter 0.99.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate genawaiter 0.99.1
[INFO] finished tweaking crates.io crate genawaiter 0.99.1
[INFO] tweaked toml for crates.io crate genawaiter 0.99.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate genawaiter 0.99.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9be3812195b956921405242aa1743461f502ed43534ccfa97356154d5c78f6af
[INFO] running `Command { std: "docker" "start" "-a" "9be3812195b956921405242aa1743461f502ed43534ccfa97356154d5c78f6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be3812195b956921405242aa1743461f502ed43534ccfa97356154d5c78f6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be3812195b956921405242aa1743461f502ed43534ccfa97356154d5c78f6af", kill_on_drop: false }`
[INFO] [stdout] 9be3812195b956921405242aa1743461f502ed43534ccfa97356154d5c78f6af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9674734b04f0151ae5d207de45cebc7359a73ae0c722fadebe564e49e78d6d7a
[INFO] running `Command { std: "docker" "start" "-a" "9674734b04f0151ae5d207de45cebc7359a73ae0c722fadebe564e49e78d6d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling genawaiter-macro v0.99.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]    Compiling genawaiter-proc-macro v0.99.1
[INFO] [stderr]    Compiling genawaiter v0.99.1 (/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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:261:73
[INFO] [stdout]     |
[INFO] [stdout] 261 | #![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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "9674734b04f0151ae5d207de45cebc7359a73ae0c722fadebe564e49e78d6d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9674734b04f0151ae5d207de45cebc7359a73ae0c722fadebe564e49e78d6d7a", kill_on_drop: false }`
[INFO] [stdout] 9674734b04f0151ae5d207de45cebc7359a73ae0c722fadebe564e49e78d6d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edf4da51c3904b061961f548f42cc641c38166cd8e1a8dab0d1140c597d622fd
[INFO] running `Command { std: "docker" "start" "-a" "edf4da51c3904b061961f548f42cc641c38166cd8e1a8dab0d1140c597d622fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:261:73
[INFO] [stdout]     |
[INFO] [stdout] 261 | #![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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling genawaiter v0.99.1 (/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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:261:73
[INFO] [stdout]     |
[INFO] [stdout] 261 | #![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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     #[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[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, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/stack/mod.rs:468:13
[INFO] [stdout]     |
[INFO] [stdout] 468 |             drop(gen);
[INFO] [stdout]     |             ^^^^^---^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  argument has type `&mut stack::generator::Gen<'_, i32, (), {async block@src/stack/mod.rs:456:17: 456:27}>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 468 -             drop(gen);
[INFO] [stdout] 468 +             let _ = gen;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "edf4da51c3904b061961f548f42cc641c38166cd8e1a8dab0d1140c597d622fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf4da51c3904b061961f548f42cc641c38166cd8e1a8dab0d1140c597d622fd", kill_on_drop: false }`
[INFO] [stdout] edf4da51c3904b061961f548f42cc641c38166cd8e1a8dab0d1140c597d622fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e8ff73c3a763b3aeac6c84476b288bdbeb126c2ba6def63bf7e5a21072079cf9
[INFO] running `Command { std: "docker" "start" "-a" "e8ff73c3a763b3aeac6c84476b288bdbeb126c2ba6def63bf7e5a21072079cf9", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/ops.rs:44:5
[INFO] [stderr]     |
[INFO] [stderr]  44 |     #[must_use]
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:261:73
[INFO] [stderr]     |
[INFO] [stderr] 261 | #![warn(future_incompatible, rust_2018_compatibility, rust_2018_idioms, unused)]
[INFO] [stderr]     |                                                                         ^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout] running 32 tests
[INFO] [stderr]  --> src/rc/iterator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[must_use]
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/stack/generator.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     #[must_use]
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]  --> src/stack/iterator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[must_use]
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]  --> src/sync/iterator.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     #[must_use]
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/stack/mod.rs:468:13
[INFO] [stderr]     |
[INFO] [stderr] 468 |             drop(gen);
[INFO] [stderr]     |             ^^^^^---^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  argument has type `&mut stack::generator::Gen<'_, i32, (), {async block@src/stack/mod.rs:456:17: 456:27}>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 468 -             drop(gen);
[INFO] [stderr] 468 +             let _ = gen;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `genawaiter` (lib) generated 5 warnings (run `cargo fix --lib -p genawaiter` to apply 5 suggestions)
[INFO] [stderr] warning: `genawaiter` (lib test) generated 6 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/genawaiter-95c95b32456e563f)
[INFO] [stdout] test rc::iterator::tests::for_loop ... ok
[INFO] [stdout] test rc::iterator::tests::into_iter ... ok
[INFO] [stdout] test rc::tests::function ... ok
[INFO] [stdout] test rc::tests::gen_is_movable ... ok
[INFO] [stdout] test rc::tests::simple_closure ... ok
[INFO] [stdout] test rc::tests::resume_args ... ok
[INFO] [stdout] test stack::iterator::tests::shelf_generator_for_loop ... ok
[INFO] [stdout] test stack::macros::tests::unsafety ... ignored, compile-only test
[INFO] [stdout] test stack::iterator::tests::let_gen_using_for_loop ... ok
[INFO] [stdout] test stack::iterator::tests::let_gen_using_into_iter ... ok
[INFO] [stdout] test stack::iterator::tests::shelf_generator_into_iter ... ok
[INFO] [stdout] test stack::tests::function ... ok
[INFO] [stdout] test stack::tests::resume_args ... ok
[INFO] [stdout] test stack::tests::test_gen_drop ... ok
[INFO] [stdout] test sync::boxed::tests::can_be_stored_in_static ... ok
[INFO] [stdout] test sync::iterator::tests::into_iter ... ok
[INFO] [stdout] test sync::tests::function ... ok
[INFO] [stdout] test sync::tests::gen_is_movable ... ok
[INFO] [stdout] test sync::iterator::tests::for_loop ... ok
[INFO] [stdout] test sync::tests::async_resume ... ok
[INFO] [stdout] test sync::tests::resume_args ... ok
[INFO] [stdout] test sync::tests::simple_closure ... ok
[INFO] [stdout] test stack::tests::simple_closure ... ok
[INFO] [stdout] test rc::tests::multiple_yield_helpful_message - should panic ... ok
[INFO] [stdout] test rc::tests::escaped_co_helpful_message - should panic ... ok
[INFO] [stdout] test stack::tests::multiple_yield_helpful_message - should panic ... ok
[INFO] [stdout] test stack::tests::escaped_co_helpful_message - should panic ... ok
[INFO] [stdout] test sync::tests::multiple_yield_helpful_message - should panic ... ok
[INFO] [stdout] test stack::tests::forbidden_await_helpful_message - should panic ... ok
[INFO] [stdout] test sync::tests::escaped_co_helpful_message - should panic ... ok
[INFO] [stdout] test sync::tests::forbidden_await_helpful_message - should panic ... ok
[INFO] [stdout] test rc::tests::forbidden_await_helpful_message - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genawaiter
[INFO] [stdout] 
[INFO] [stdout] running 66 tests
[INFO] [stdout] test src/rc/mod.rs - rc (line 179) ... ok
[INFO] [stdout] test src/lib.rs - (line 229) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 196) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 234) ... ignored
[INFO] [stdout] test src/lib.rs - (line 205) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 124) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 136) ... ok
[INFO] [stdout] test src/lib.rs - (line 158) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 140) ... ok
[INFO] [stdout] test src/lib.rs - rc_producer (line 307) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 179) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 160) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 22) ... ok
[INFO] [stdout] test src/stack/macros.rs - stack::macros::doctests::generator_cannot_escape (line 69) - compile fail ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 248) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 203) ... ignored
[INFO] [stdout] test src/rc/mod.rs - rc (line 53) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 95) ... ok
[INFO] [stdout] test src/stack/generator.rs - stack::generator::Gen<'s,Y,R,F>::new (line 80) ... ok
[INFO] [stdout] test src/stack/macros.rs - stack::macros::doctests::generator_cannot_escape_baseline (line 85) ... ok
[INFO] [stdout] test src/lib.rs - sync_producer (line 283) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 216) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 77) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 122) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 7) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 39) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 146) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack::let_gen (line 261) ... ignored
[INFO] [stdout] test src/stack/mod.rs - stack::let_gen_using (line 286) ... ignored
[INFO] [stdout] test src/stack/mod.rs - stack::let_gen_using (line 301) ... ignored
[INFO] [stdout] test src/rc/mod.rs - rc (line 37) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 185) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 165) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 217) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 81) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 233) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 264) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack::doc_compile_fail::with_args_compile_fail_baseline (line 526) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack::doctests::co_is_not_static (line 482) - compile fail ... ok
[INFO] [stdout] test src/stack/mod.rs - stack::doc_compile_fail::with_args_compile_fail (line 512) - compile fail ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 266) ... ignored
[INFO] [stdout] test src/stack/mod.rs - stack (line 96) ... ok
[INFO] [stdout] test src/sync/boxed.rs - sync::boxed::GenBoxed<Y,R,C>::new_boxed (line 21) - compile fail ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 22) ... ok
[INFO] [stdout] test src/rc/mod.rs - rc (line 7) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 142) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 168) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 248) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 211) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 228) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack::doctests::co_is_not_static_baseline (line 495) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 22) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 85) ... ok
[INFO] [stdout] test src/stack/mod.rs - stack (line 63) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 109) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 127) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 192) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 37) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 61) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 7) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 280) ... ok
[INFO] [stdout] test src/sync/mod.rs - sync (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 3.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8ff73c3a763b3aeac6c84476b288bdbeb126c2ba6def63bf7e5a21072079cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ff73c3a763b3aeac6c84476b288bdbeb126c2ba6def63bf7e5a21072079cf9", kill_on_drop: false }`
[INFO] [stdout] e8ff73c3a763b3aeac6c84476b288bdbeb126c2ba6def63bf7e5a21072079cf9