[INFO] fetching crate bincode-grpc 0.7.2...
[INFO] testing bincode-grpc-0.7.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate bincode-grpc 0.7.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate bincode-grpc 0.7.2 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 bincode-grpc 0.7.2
[INFO] finished tweaking crates.io crate bincode-grpc 0.7.2
[INFO] tweaked toml for crates.io crate bincode-grpc 0.7.2 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode-grpc-macro v0.7.2
[INFO] [stderr]   Downloaded grpcio v0.6.0
[INFO] [stderr]   Downloaded grpcio-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 89aa011b0df961176a3e6e4a05d8602d0be938bba3dd9c8152b6f72bf8a1d496
[INFO] running `Command { std: "docker" "start" "-a" "89aa011b0df961176a3e6e4a05d8602d0be938bba3dd9c8152b6f72bf8a1d496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89aa011b0df961176a3e6e4a05d8602d0be938bba3dd9c8152b6f72bf8a1d496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aa011b0df961176a3e6e4a05d8602d0be938bba3dd9c8152b6f72bf8a1d496", kill_on_drop: false }`
[INFO] [stdout] 89aa011b0df961176a3e6e4a05d8602d0be938bba3dd9c8152b6f72bf8a1d496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ec17eee2ed2149553ae75927c4d05bda4a6278fcde253821676ecfa333365be7
[INFO] running `Command { std: "docker" "start" "-a" "ec17eee2ed2149553ae75927c4d05bda4a6278fcde253821676ecfa333365be7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bincode-grpc-macro v0.7.2
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bincode-grpc-macro-0.7.2/src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::export::TokenStream2;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bincode-grpc-macro` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec17eee2ed2149553ae75927c4d05bda4a6278fcde253821676ecfa333365be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec17eee2ed2149553ae75927c4d05bda4a6278fcde253821676ecfa333365be7", kill_on_drop: false }`
[INFO] [stdout] ec17eee2ed2149553ae75927c4d05bda4a6278fcde253821676ecfa333365be7