[INFO] fetching crate bincode-grpc-macro 0.7.2...
[INFO] checking bincode-grpc-macro-0.7.2 against 1.55.0 for beta-1.56-3
[INFO] extracting crate bincode-grpc-macro 0.7.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate bincode-grpc-macro 0.7.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bincode-grpc-macro 0.7.2
[INFO] finished tweaking crates.io crate bincode-grpc-macro 0.7.2
[INFO] tweaked toml for crates.io crate bincode-grpc-macro 0.7.2 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6782a887bc01ad935a33438f5a81f749891f76499e9e5030a2dad96012d15a9
[INFO] running `Command { std: "docker" "start" "-a" "f6782a887bc01ad935a33438f5a81f749891f76499e9e5030a2dad96012d15a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6782a887bc01ad935a33438f5a81f749891f76499e9e5030a2dad96012d15a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6782a887bc01ad935a33438f5a81f749891f76499e9e5030a2dad96012d15a9", kill_on_drop: false }`
[INFO] [stdout] f6782a887bc01ad935a33438f5a81f749891f76499e9e5030a2dad96012d15a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1005ef7fbe02156bbbe8af88670e417b9c48723f171cb356f026cc54cb0efb8
[INFO] running `Command { std: "docker" "start" "-a" "f1005ef7fbe02156bbbe8af88670e417b9c48723f171cb356f026cc54cb0efb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking bincode-grpc-macro v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> 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[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> 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] [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" "f1005ef7fbe02156bbbe8af88670e417b9c48723f171cb356f026cc54cb0efb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1005ef7fbe02156bbbe8af88670e417b9c48723f171cb356f026cc54cb0efb8", kill_on_drop: false }`
[INFO] [stdout] f1005ef7fbe02156bbbe8af88670e417b9c48723f171cb356f026cc54cb0efb8
