[INFO] fetching crate json_schema_test_suite_proc_macro 0.3.0...
[INFO] testing json_schema_test_suite_proc_macro-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate json_schema_test_suite_proc_macro 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate json_schema_test_suite_proc_macro 0.3.0 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 json_schema_test_suite_proc_macro 0.3.0
[INFO] finished tweaking crates.io crate json_schema_test_suite_proc_macro 0.3.0
[INFO] tweaked toml for crates.io crate json_schema_test_suite_proc_macro 0.3.0 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5eb9ea751df0bb8926ac4ca57f3dc6701560d0ca6a9d7337b8d2c84a456a26a
[INFO] running `Command { std: "docker" "start" "-a" "b5eb9ea751df0bb8926ac4ca57f3dc6701560d0ca6a9d7337b8d2c84a456a26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5eb9ea751df0bb8926ac4ca57f3dc6701560d0ca6a9d7337b8d2c84a456a26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5eb9ea751df0bb8926ac4ca57f3dc6701560d0ca6a9d7337b8d2c84a456a26a", kill_on_drop: false }`
[INFO] [stdout] b5eb9ea751df0bb8926ac4ca57f3dc6701560d0ca6a9d7337b8d2c84a456a26a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ea052b6141b331a3336ecab84a3d1470d79de22461044f7f582f6864de794b81
[INFO] running `Command { std: "docker" "start" "-a" "ea052b6141b331a3336ecab84a3d1470d79de22461044f7f582f6864de794b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling json_schema_test_suite_test_case v0.3.0
[INFO] [stderr]    Compiling json_schema_test_suite_proc_macro v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemFn`
[INFO] [stdout]   --> src/lib.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 | use syn::{parse_macro_input, Ident, ItemFn};
[INFO] [stdout]    |                                     ^^^^^^ no `ItemFn` in the root
[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 `json_schema_test_suite_proc_macro` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ea052b6141b331a3336ecab84a3d1470d79de22461044f7f582f6864de794b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea052b6141b331a3336ecab84a3d1470d79de22461044f7f582f6864de794b81", kill_on_drop: false }`
[INFO] [stdout] ea052b6141b331a3336ecab84a3d1470d79de22461044f7f582f6864de794b81
