[INFO] fetching crate futures-await 0.1.1...
[INFO] testing futures-await-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate futures-await 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate futures-await 0.1.1
[INFO] finished tweaking crates.io crate futures-await 0.1.1
[INFO] tweaked toml for crates.io crate futures-await 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate futures-await 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded futures-await-async-macro v0.1.4
[INFO] [stderr]   Downloaded futures-await-await-macro v0.1.1
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb7cb94da6cde31baf6bc619be18b0112030c2d154fece6ad40db4da9e74d155
[INFO] running `Command { std: "docker" "start" "-a" "eb7cb94da6cde31baf6bc619be18b0112030c2d154fece6ad40db4da9e74d155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb7cb94da6cde31baf6bc619be18b0112030c2d154fece6ad40db4da9e74d155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7cb94da6cde31baf6bc619be18b0112030c2d154fece6ad40db4da9e74d155", kill_on_drop: false }`
[INFO] [stdout] eb7cb94da6cde31baf6bc619be18b0112030c2d154fece6ad40db4da9e74d155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ed714d06c4c7eb3080836c95e76a0157e77cc920f1e128b6e58fe0cda71df8f3
[INFO] running `Command { std: "docker" "start" "-a" "ed714d06c4c7eb3080836c95e76a0157e77cc920f1e128b6e58fe0cda71df8f3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling futures-await-await-macro v0.1.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling futures-await-async-macro v0.1.4
[INFO] [stderr]    Compiling futures-await v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(on_unimplemented)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.40.0; see <https://github.com/rust-lang/rust/pull/65794> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::Generator`
[INFO] [stdout]   --> src/lib.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub use std::ops::Generator;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::GeneratorState`
[INFO] [stdout]   --> src/lib.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     use std::ops::GeneratorState;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of an internal attribute
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | /     #[rustc_on_unimplemented = "async functions must return a `Result` or \
[INFO] [stdout] 65 | |                                 a typedef of `Result`"]
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
[INFO] [stdout]    = note: the `#[rustc_on_unimplemented]` attribute is an internal implementation detail that will never be stable
[INFO] [stdout]    = note: see `#[diagnostic::on_unimplemented]` for the stable equivalent of this attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(use_extern_macros)]
[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:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(generator_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous associated item
[INFO] [stdout]   --> src/lib.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |         fn into_result(self) -> Result<Self::Ok, Self::Err> { self }
[INFO] [stdout]    |                                        ^^^^^^^^ help: use fully-qualified syntax: `<Result<T, E> as IsResult>::Ok`
[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]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Ok` could refer to the variant defined here
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:561:4
[INFO] [stdout] note: `Ok` could also refer to the associated type defined here
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         type Ok;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = note: `#[deny(ambiguous_associated_items)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous associated item
[INFO] [stdout]   --> src/lib.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 |         fn into_result(self) -> Result<Self::Ok, Self::Err> { self }
[INFO] [stdout]    |                                                  ^^^^^^^^^ help: use fully-qualified syntax: `<Result<T, E> as IsResult>::Err`
[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]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout] note: `Err` could refer to the variant defined here
[INFO] [stdout]   --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:566:4
[INFO] [stdout] note: `Err` could also refer to the associated type defined here
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         type Err;
[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 `futures-await` (lib) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ed714d06c4c7eb3080836c95e76a0157e77cc920f1e128b6e58fe0cda71df8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed714d06c4c7eb3080836c95e76a0157e77cc920f1e128b6e58fe0cda71df8f3", kill_on_drop: false }`
[INFO] [stdout] ed714d06c4c7eb3080836c95e76a0157e77cc920f1e128b6e58fe0cda71df8f3
