[INFO] fetching crate bian-proc 0.2.0...
[INFO] testing bian-proc-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate bian-proc 0.2.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate bian-proc 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2061963b893803ce1f9fb7809fbb21887e9905208b1dc710b3e632a1a786b2c8
[INFO] running `Command { std: "docker" "start" "-a" "2061963b893803ce1f9fb7809fbb21887e9905208b1dc710b3e632a1a786b2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2061963b893803ce1f9fb7809fbb21887e9905208b1dc710b3e632a1a786b2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2061963b893803ce1f9fb7809fbb21887e9905208b1dc710b3e632a1a786b2c8", kill_on_drop: false }`
[INFO] [stdout] 2061963b893803ce1f9fb7809fbb21887e9905208b1dc710b3e632a1a786b2c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5bef00b0dc75317ae9f17d156e228596bc4fb7d82f3a86d47b52df04151c92
[INFO] running `Command { std: "docker" "start" "-a" "6c5bef00b0dc75317ae9f17d156e228596bc4fb7d82f3a86d47b52df04151c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[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" "6c5bef00b0dc75317ae9f17d156e228596bc4fb7d82f3a86d47b52df04151c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5bef00b0dc75317ae9f17d156e228596bc4fb7d82f3a86d47b52df04151c92", kill_on_drop: false }`
[INFO] [stdout] 6c5bef00b0dc75317ae9f17d156e228596bc4fb7d82f3a86d47b52df04151c92
