[INFO] cloning repository https://github.com/fmccl/Molang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmccl/Molang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmccl%2FMolang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmccl%2FMolang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21513dff58e931ac5875c10928e50f74a6e830c5
[INFO] checking fmccl/Molang against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmccl%2FMolang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fmccl/Molang
[INFO] finished tweaking git repo https://github.com/fmccl/Molang
[INFO] tweaked toml for git repo https://github.com/fmccl/Molang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fmccl/Molang 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] crate git repo https://github.com/fmccl/Molang 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2
[INFO] running `Command { std: "docker" "start" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2", 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" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2", 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" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking dyn-eq v0.1.3
[INFO] [stderr]    Compiling syn v2.0.69
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling molang_proc_macro v0.1.0 (/opt/rustwide/workdir/molang_proc_macro)
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> molang_proc_macro/src/lib.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |         _ => return quote! { compile_error!("Only supported for structs") }.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] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream`
[INFO] [stdout]   --> molang_proc_macro/src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     quote! {
[INFO] [stdout] 31 | |         impl molang::ToMolangValue for #name {
[INFO] [stdout] 32 | |             fn to_value(self) -> molang::Value {
[INFO] [stdout] 33 | |                 let mut fields = std::collections::HashMap::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }.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] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `molang_proc_macro` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2", kill_on_drop: false }`
[INFO] [stdout] 541090284a8cd3b9842373f37395deef25f673f24a1a660df6a1ad9952f827f2