[INFO] fetching crate maybe-async-cfg 0.2.5...
[INFO] checking maybe-async-cfg-0.2.5 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate maybe-async-cfg 0.2.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate maybe-async-cfg 0.2.5
[INFO] finished tweaking crates.io crate maybe-async-cfg 0.2.5
[INFO] tweaked toml for crates.io crate maybe-async-cfg 0.2.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maybe-async-cfg 0.2.5 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "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" "+52995a223f2919dd3e2e427231db90a257350ded" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 89 packages to highest compatible versions
[INFO] [stderr]       Adding manyhow v0.11.4 (available: v0.14.1)
[INFO] [stderr]       Adding pulldown-cmark v0.11.3 (available: v0.13.5)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020
[INFO] running `Command { std: "docker" "start" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v2.13.2
[INFO] [stderr]     Checking futures-io v0.3.34
[INFO] [stderr]     Checking fastrand v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.6
[INFO] [stderr]     Checking unicode-ident v1.0.27
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
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[INFO] [stderr]    Compiling serde_core v1.0.229
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[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
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[INFO] [stderr]     Checking toml_parser v1.1.5+spec-1.1.0
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[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking toml v1.1.8+spec-1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling tokio-macros v2.7.2
[INFO] [stderr]    Compiling async-trait v0.1.92
[INFO] [stderr]     Checking tokio v1.54.1
[INFO] [stderr]     Checking manyhow v0.11.4
[INFO] [stderr]     Checking maybe-async-cfg v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/visitor_content.rs:85:20
[INFO] [stdout]    |
[INFO] [stdout] 85 |             return params.to_tokens(None).into();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 85 -             return params.to_tokens(None).into();
[INFO] [stdout] 85 +             return params.to_tokens(None);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 85 -             return params.to_tokens(None).into();
[INFO] [stdout] 85 +             return <proc_macro2::TokenStream as Into<_>>::into(params.to_tokens(None));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/params.rs:641:45
[INFO] [stdout]     |
[INFO] [stdout] 641 |     pub fn standard_macros<'s>(&'s self) -> &[&'s str] {
[INFO] [stdout]     |                                 --          ^^^--^^^^^
[INFO] [stdout]     |                                 |           |  |
[INFO] [stdout]     |                                 |           |  the same lifetime is named here
[INFO] [stdout]     |                                 |           the same lifetime is elided here
[INFO] [stdout]     |                                 the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'s`
[INFO] [stdout]     |
[INFO] [stdout] 641 |     pub fn standard_macros<'s>(&'s self) -> &'s [&'s str] {
[INFO] [stdout]     |                                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `maybe-async-cfg` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020", kill_on_drop: false }`
[INFO] [stdout] 1f6a458dc9b2fc8a66d6f055213201d42e89a2b97d0e9ace6ba2d560875aa020
