[INFO] fetching crate bian-proc 0.2.0...
[INFO] testing bian-proc-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bian-proc 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bian-proc 0.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bian-proc 0.2.0
[INFO] finished tweaking crates.io crate bian-proc 0.2.0
[INFO] tweaked toml for crates.io crate bian-proc 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c89b054d683b87d45f4fca8a112140dc5c98ddd4fca6693c32d142ae2f81a2c
[INFO] running `Command { std: "docker" "start" "-a" "9c89b054d683b87d45f4fca8a112140dc5c98ddd4fca6693c32d142ae2f81a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c89b054d683b87d45f4fca8a112140dc5c98ddd4fca6693c32d142ae2f81a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c89b054d683b87d45f4fca8a112140dc5c98ddd4fca6693c32d142ae2f81a2c", kill_on_drop: false }`
[INFO] [stdout] 9c89b054d683b87d45f4fca8a112140dc5c98ddd4fca6693c32d142ae2f81a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6f2be846494b5e568b793d8f9ebb4ff2afca12ba88704b6653ee33637ad6573
[INFO] running `Command { std: "docker" "start" "-a" "b6f2be846494b5e568b793d8f9ebb4ff2afca12ba88704b6653ee33637ad6573", kill_on_drop: false }`
[INFO] [stderr]    Compiling bian-proc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syn::FnArg`, `syn::Pat`
[INFO] [stdout]  --> src/lib.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::{parse_macro_input, FnArg, Pat};
[INFO] [stdout]   |                              ^^^^^  ^^^
[INFO] [stdout]   |                              |      |
[INFO] [stdout]   |                              |      no `Pat` in the root
[INFO] [stdout]   |                              |      help: a similar name exists in the module: `Path`
[INFO] [stdout]   |                              no `FnArg` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ItemFn` in crate `syn`
[INFO] [stdout]   --> src/lib.rs:21:54
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut api_fn = parse_macro_input!(item as syn::ItemFn);
[INFO] [stdout]    |                                                      ^^^^^^ not found in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bian-proc` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b6f2be846494b5e568b793d8f9ebb4ff2afca12ba88704b6653ee33637ad6573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f2be846494b5e568b793d8f9ebb4ff2afca12ba88704b6653ee33637ad6573", kill_on_drop: false }`
[INFO] [stdout] b6f2be846494b5e568b793d8f9ebb4ff2afca12ba88704b6653ee33637ad6573