[INFO] fetching crate function_name-proc-macro 0.3.0...
[INFO] checking function_name-proc-macro-0.3.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate function_name-proc-macro 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate function_name-proc-macro 0.3.0
[INFO] finished tweaking crates.io crate function_name-proc-macro 0.3.0
[INFO] tweaked toml for crates.io crate function_name-proc-macro 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate function_name-proc-macro 0.3.0 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62
[INFO] running `Command { std: "docker" "start" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62", 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" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62", 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" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking function_name-proc-macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     named_impl(params.into(), input.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] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params, input.into())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(<TokenStream as Into<_>>::into(params), input.into())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     named_impl(params.into(), input.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] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params, input.into())
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(<TokenStream as Into<_>>::into(params), input.into())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     named_impl(params.into(), input.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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params.into(), input)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params.into(), <TokenStream as Into<_>>::into(input))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     named_impl(params.into(), input.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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params.into(), input)
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 -     named_impl(params.into(), input.into())
[INFO] [stdout] 17 +     named_impl(params.into(), <TokenStream as Into<_>>::into(input))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     named_impl(params.into(), input.into())
[INFO] [stdout] 18 | |         .unwrap_or_else(|err| {
[INFO] [stdout] 19 | |             let err = Some(TokenTree::from(Literal::string(err)));
[INFO] [stdout] 20 | |             quote!(
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         })
[INFO] [stdout] 24 | |         .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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 23 -         })
[INFO] [stdout] 24 -         .into()
[INFO] [stdout] 23 +         })
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     <TokenStream as Into<_>>::into(named_impl(params.into(), input.into())
[INFO] [stdout] 18 |         .unwrap_or_else(|err| {
[INFO] [stdout] ...
[INFO] [stdout] 22 |             )
[INFO] [stdout] 23 ~         }))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/lib.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         return Err("unexpected attribute arguments".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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return Err("unexpected attribute arguments".into());
[INFO] [stdout] 34 +         return Err("unexpected attribute arguments");
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return Err("unexpected attribute arguments".into());
[INFO] [stdout] 34 +         return Err(<&str as Into<_>>::into("unexpected attribute arguments"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `TokenStream`
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     named_impl(params.into(), input.into())
[INFO] [stdout] 18 | |         .unwrap_or_else(|err| {
[INFO] [stdout] 19 | |             let err = Some(TokenTree::from(Literal::string(err)));
[INFO] [stdout] 20 | |             quote!(
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |         })
[INFO] [stdout] 24 | |         .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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 23 -         })
[INFO] [stdout] 24 -         .into()
[INFO] [stdout] 23 +         })
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 17 ~     <TokenStream as Into<_>>::into(named_impl(params.into(), input.into())
[INFO] [stdout] 18 |         .unwrap_or_else(|err| {
[INFO] [stdout] ...
[INFO] [stdout] 22 |             )
[INFO] [stdout] 23 ~         }))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/lib.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |         return Err("unexpected attribute arguments".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] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return Err("unexpected attribute arguments".into());
[INFO] [stdout] 34 +         return Err("unexpected attribute arguments");
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return Err("unexpected attribute arguments".into());
[INFO] [stdout] 34 +         return Err(<&str as Into<_>>::into("unexpected attribute arguments"));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `function_name-proc-macro` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `function_name-proc-macro` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62", kill_on_drop: false }`
[INFO] [stdout] fd3c984bea143969b0178fcb799f0813c603d47883a06f32afb3d21c200b8e62
