[INFO] cloning repository https://github.com/EstebanForero/partial_struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EstebanForero/partial_struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanForero%2Fpartial_struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanForero%2Fpartial_struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6038f52d0829da5ac2bb109be7fe196b51255bf0
[INFO] checking EstebanForero/partial_struct against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanForero%2Fpartial_struct" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EstebanForero/partial_struct
[INFO] finished tweaking git repo https://github.com/EstebanForero/partial_struct
[INFO] tweaked toml for git repo https://github.com/EstebanForero/partial_struct written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EstebanForero/partial_struct 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 5 packages to highest compatible versions
[INFO] [stderr]       Adding syn v2.0.119 (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-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6
[INFO] running `Command { std: "docker" "start" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6", 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" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6", 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" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking unicode-ident v1.0.27
[INFO] [stderr]     Checking syn v2.0.119
[INFO] [stderr]     Checking partial_struct v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]    --> src/lib.rs:219:20
[INFO] [stdout]     |
[INFO] [stdout] 219 |               return syn::Error::new_spanned(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 220 | |                 &ast.ident,
[INFO] [stdout] 221 | |                 format!("Field(s) cannot be both omitted and optional: {}", 
[INFO] [stdout] 222 | |                         conflict_fields.into_iter().cloned().collect::<Vec<_>>().join(", "))
[INFO] [stdout] 223 | |             )
[INFO] [stdout] 224 | |             .to_compile_error()
[INFO] [stdout] 225 | |             .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] 224 -             .to_compile_error()
[INFO] [stdout] 225 -             .into();
[INFO] [stdout] 224 +             .to_compile_error();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 219 ~             return <proc_macro2::TokenStream as Into<_>>::into(syn::Error::new_spanned(
[INFO] [stdout] 220 |                 &ast.ident,
[INFO] [stdout] ...
[INFO] [stdout] 223 |             )
[INFO] [stdout] 224 ~             .to_compile_error());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `partial_struct` (lib test) due to 1 previous error
[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:219:20
[INFO] [stdout]     |
[INFO] [stdout] 219 |               return syn::Error::new_spanned(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 220 | |                 &ast.ident,
[INFO] [stdout] 221 | |                 format!("Field(s) cannot be both omitted and optional: {}", 
[INFO] [stdout] 222 | |                         conflict_fields.into_iter().cloned().collect::<Vec<_>>().join(", "))
[INFO] [stdout] 223 | |             )
[INFO] [stdout] 224 | |             .to_compile_error()
[INFO] [stdout] 225 | |             .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] 224 -             .to_compile_error()
[INFO] [stdout] 225 -             .into();
[INFO] [stdout] 224 +             .to_compile_error();
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 219 ~             return <proc_macro2::TokenStream as Into<_>>::into(syn::Error::new_spanned(
[INFO] [stdout] 220 |                 &ast.ident,
[INFO] [stdout] ...
[INFO] [stdout] 223 |             )
[INFO] [stdout] 224 ~             .to_compile_error());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `partial_struct` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6", kill_on_drop: false }`
[INFO] [stdout] 6aa1e1bf9f385caa027d305bf6b88b1b3f88cbca7d23dbff2287e8bece9c56c6
