[INFO] fetching crate async-proto-derive 0.26.15...
[INFO] checking async-proto-derive-0.26.15 against try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] extracting crate async-proto-derive 0.26.15 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate async-proto-derive 0.26.15
[INFO] finished tweaking crates.io crate async-proto-derive 0.26.15
[INFO] tweaked toml for crates.io crate async-proto-derive 0.26.15 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-proto-derive 0.26.15 on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-proto-derive 0.26.15 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" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5
[INFO] running `Command { std: "docker" "start" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5", 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" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5", 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" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.24
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking proc-macro2 v1.0.106
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking quote v1.0.45
[INFO] [stderr]     Checking syn v2.0.117
[INFO] [stderr]     Checking async-proto-derive v0.26.15 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:45:48
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:139
[INFO] [stdout]    |
[INFO] [stdout]  1 | ...sed_import_braces, unused_lifetimes, unused_qualifications, warnings)]
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:84:48
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:88:46
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:151:48
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:155:46
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:189:48
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:193:46
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:293:51
[INFO] [stdout]     |
[INFO] [stdout] 293 | ...() { return quote!(compile_error!("#[async_proto(as_str)] and #[async_proto(via = ...)] are incompatible");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:300:32
[INFO] [stdout]     |
[INFO] [stdout] 300 |                         return quote!(compile_error!("#[async_proto(map_err = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |                         return quote!(compile_error!("#[async_proto(via = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:306:32
[INFO] [stdout]     |
[INFO] [stdout] 306 |                         return quote!(compile_error!("#[async_proto(where(...))] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:310:30
[INFO] [stdout]     |
[INFO] [stdout] 310 |             Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:327:48
[INFO] [stdout]     |
[INFO] [stdout] 327 | ...me() { return quote!(compile_error!("redundant type layout specification with #[async_proto(as_string)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:362:48
[INFO] [stdout]     |
[INFO] [stdout] 362 | ...me() { return quote!(compile_error!("redundant type layout specification with #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:420:39
[INFO] [stdout]     |
[INFO] [stdout] 420 | ...rn quote!(compile_error!("#[async_proto(map_err = ...)] does nothing without #[async_proto(as_string)] or #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:582:44
[INFO] [stdout]     |
[INFO] [stdout] 582 |             Some(Data::Union(_)) => return quote!(compile_error!("unions not supported in derive(Protocol)");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:583:28
[INFO] [stdout]     |
[INFO] [stdout] 583 |             None => return quote!(compile_error!("missing type layout specification or #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-proto-derive` (lib test) due to 18 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:45:48
[INFO] [stdout]    |
[INFO] [stdout] 45 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:139
[INFO] [stdout]    |
[INFO] [stdout]  1 | ...sed_import_braces, unused_lifetimes, unused_qualifications, warnings)]
[INFO] [stdout]    |                                                                ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:49:46
[INFO] [stdout]    |
[INFO] [stdout] 49 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:84:48
[INFO] [stdout]    |
[INFO] [stdout] 84 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> src/lib.rs:88:46
[INFO] [stdout]    |
[INFO] [stdout] 88 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:151:48
[INFO] [stdout]     |
[INFO] [stdout] 151 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:155:46
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:189:48
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   return quote!(compile_error!("#[async_proto(max_len = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:193:46
[INFO] [stdout]     |
[INFO] [stdout] 193 | ...                   Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:293:51
[INFO] [stdout]     |
[INFO] [stdout] 293 | ...() { return quote!(compile_error!("#[async_proto(as_str)] and #[async_proto(via = ...)] are incompatible");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:300:32
[INFO] [stdout]     |
[INFO] [stdout] 300 |                         return quote!(compile_error!("#[async_proto(map_err = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:303:32
[INFO] [stdout]     |
[INFO] [stdout] 303 |                         return quote!(compile_error!("#[async_proto(via = ...)] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:306:32
[INFO] [stdout]     |
[INFO] [stdout] 306 |                         return quote!(compile_error!("#[async_proto(where(...))] specified multiple times");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:310:30
[INFO] [stdout]     |
[INFO] [stdout] 310 |             Err(e) => return e.to_compile_error().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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:327:48
[INFO] [stdout]     |
[INFO] [stdout] 327 | ...me() { return quote!(compile_error!("redundant type layout specification with #[async_proto(as_string)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:362:48
[INFO] [stdout]     |
[INFO] [stdout] 362 | ...me() { return quote!(compile_error!("redundant type layout specification with #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:420:39
[INFO] [stdout]     |
[INFO] [stdout] 420 | ...rn quote!(compile_error!("#[async_proto(map_err = ...)] does nothing without #[async_proto(as_string)] or #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:582:44
[INFO] [stdout]     |
[INFO] [stdout] 582 |             Some(Data::Union(_)) => return quote!(compile_error!("unions not supported in derive(Protocol)");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:583:28
[INFO] [stdout]     |
[INFO] [stdout] 583 |             None => return quote!(compile_error!("missing type layout specification or #[async_proto(via = ...)]");).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: you can instead use the fully-qualified path `<proc_macro2::TokenStream as Into<proc_macro2::TokenStream>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-proto-derive` (lib) due to 18 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5", kill_on_drop: false }`
[INFO] [stdout] 0d1101cac6d2018f65d4e3b5daeeaea39ab3308c5a338570e4d1f0683e7842c5
