[INFO] fetching crate folo_proc_macros 0.1.0-pre...
[INFO] checking folo_proc_macros-0.1.0-pre against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] extracting crate folo_proc_macros 0.1.0-pre into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate folo_proc_macros 0.1.0-pre
[INFO] finished tweaking crates.io crate folo_proc_macros 0.1.0-pre
[INFO] tweaked toml for crates.io crate folo_proc_macros 0.1.0-pre written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate folo_proc_macros 0.1.0-pre on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded folo_proc_macros_impl v0.1.0-pre
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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] 27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70
[INFO] running `Command { std: "docker" "start" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70", 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" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70", 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 -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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]    Compiling unicode-ident v1.0.26
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking syn v3.0.7
[INFO] [stderr]     Checking syn v2.0.119
[INFO] [stderr]     Checking darling_core v0.24.1
[INFO] [stderr]    Compiling darling_macro v0.24.1
[INFO] [stderr]     Checking darling v0.24.1
[INFO] [stderr]     Checking folo_proc_macros_impl v0.1.0-pre
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `syn::Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/folo_proc_macros_impl-0.1.0-pre/src/folo_entrypoint.rs:29:58
[INFO] [stdout]     |
[INFO] [stdout]  29 |         let attr_args = NestedMeta::parse_meta_list(attr)?;
[INFO] [stdout]     |                         ---------------------------------^ the trait `From<darling::export::syn::Error>` is not implemented for `syn::Error`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this can't be annotated with `?` because it has type `Result<_, darling::export::syn::Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] help: item with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.7/src/error.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout] help: the trait `From<darling::export::syn::Error>` is not implemented for `syn::Error`
[INFO] [stdout]       but trait `From<LexError>` is implemented for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/error.rs:411:1
[INFO] [stdout]     |
[INFO] [stdout] 411 | impl From<LexError> for Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: for that trait implementation, expected `LexError`, found `darling::export::syn::Error`
[INFO] [stdout]     = note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `syn::Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/folo_proc_macros_impl-0.1.0-pre/src/folo_entrypoint.rs:30:52
[INFO] [stdout]     |
[INFO] [stdout]  30 |         Ok(EntrypointOptions::from_list(&attr_args)?)
[INFO] [stdout]     |            ----------------------------------------^ the trait `From<darling::Error>` is not implemented for `syn::Error`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            this can't be annotated with `?` because it has type `Result<_, darling::Error>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout] help: item with same name found
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.7/src/error.rs:107:1
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout] help: the trait `From<darling::Error>` is not implemented for `syn::Error`
[INFO] [stdout]       but trait `From<LexError>` is implemented for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/error.rs:411:1
[INFO] [stdout]     |
[INFO] [stdout] 411 | impl From<LexError> for Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: for that trait implementation, expected `LexError`, found `darling::Error`
[INFO] [stdout]     = note: there are multiple different versions of crate `syn` in the dependency graph
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `folo_proc_macros_impl` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70", kill_on_drop: false }`
[INFO] [stdout] 27199088ce5fd760d4eccb783e584fb637910894c5e3bc94ce1bae0b28c0cd70
