[INFO] fetching crate risc0-zeroio-derive 0.14.0...
[INFO] checking risc0-zeroio-derive-0.14.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate risc0-zeroio-derive 0.14.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate risc0-zeroio-derive 0.14.0
[INFO] finished tweaking crates.io crate risc0-zeroio-derive 0.14.0
[INFO] tweaked toml for crates.io crate risc0-zeroio-derive 0.14.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc0-zeroio-derive 0.14.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to highest compatible versions
[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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64
[INFO] running `Command { std: "docker" "start" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64", 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" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64", 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" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking risc0-zeroio-derive v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     Ok(expanded.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] 352 -     Ok(expanded.into())
[INFO] [stdout] 352 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 352 -     Ok(expanded.into())
[INFO] [stdout] 352 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     Ok(expanded.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] 397 -     Ok(expanded.into())
[INFO] [stdout] 397 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 397 -     Ok(expanded.into())
[INFO] [stdout] 397 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:544:8
[INFO] [stdout]     |
[INFO] [stdout] 544 |     Ok(expanded.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] 544 -     Ok(expanded.into())
[INFO] [stdout] 544 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 544 -     Ok(expanded.into())
[INFO] [stdout] 544 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:645:8
[INFO] [stdout]     |
[INFO] [stdout] 645 |     Ok(expanded.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] 645 -     Ok(expanded.into())
[INFO] [stdout] 645 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 645 -     Ok(expanded.into())
[INFO] [stdout] 645 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:679:27
[INFO] [stdout]     |
[INFO] [stdout] 679 |     .unwrap_or_else(|err| Error::to_compile_error(&err).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] 679 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 679 +     .unwrap_or_else(|err| Error::to_compile_error(&err));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 679 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 679 +     .unwrap_or_else(|err| <proc_macro2::TokenStream as Into<_>>::into(Error::to_compile_error(&err)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:696:27
[INFO] [stdout]     |
[INFO] [stdout] 696 |     .unwrap_or_else(|err| Error::to_compile_error(&err).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] 696 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 696 +     .unwrap_or_else(|err| Error::to_compile_error(&err));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 696 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 696 +     .unwrap_or_else(|err| <proc_macro2::TokenStream as Into<_>>::into(Error::to_compile_error(&err)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `risc0-zeroio-derive` (lib) due to 6 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:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     Ok(expanded.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] 352 -     Ok(expanded.into())
[INFO] [stdout] 352 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 352 -     Ok(expanded.into())
[INFO] [stdout] 352 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 397 |     Ok(expanded.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] 397 -     Ok(expanded.into())
[INFO] [stdout] 397 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 397 -     Ok(expanded.into())
[INFO] [stdout] 397 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:544:8
[INFO] [stdout]     |
[INFO] [stdout] 544 |     Ok(expanded.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] 544 -     Ok(expanded.into())
[INFO] [stdout] 544 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 544 -     Ok(expanded.into())
[INFO] [stdout] 544 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:645:8
[INFO] [stdout]     |
[INFO] [stdout] 645 |     Ok(expanded.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] 645 -     Ok(expanded.into())
[INFO] [stdout] 645 +     Ok(expanded)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 645 -     Ok(expanded.into())
[INFO] [stdout] 645 +     Ok(<proc_macro2::TokenStream as Into<_>>::into(expanded))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:679:27
[INFO] [stdout]     |
[INFO] [stdout] 679 |     .unwrap_or_else(|err| Error::to_compile_error(&err).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] 679 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 679 +     .unwrap_or_else(|err| Error::to_compile_error(&err));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 679 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 679 +     .unwrap_or_else(|err| <proc_macro2::TokenStream as Into<_>>::into(Error::to_compile_error(&err)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:696:27
[INFO] [stdout]     |
[INFO] [stdout] 696 |     .unwrap_or_else(|err| Error::to_compile_error(&err).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] 696 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 696 +     .unwrap_or_else(|err| Error::to_compile_error(&err));
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 696 -     .unwrap_or_else(|err| Error::to_compile_error(&err).into());
[INFO] [stdout] 696 +     .unwrap_or_else(|err| <proc_macro2::TokenStream as Into<_>>::into(Error::to_compile_error(&err)));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `risc0-zeroio-derive` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64", kill_on_drop: false }`
[INFO] [stdout] 49e52bb65a56a9f6ccd3f4b91f29cf0f149d6eaa7e240dd1c13f57a763996b64
