[INFO] fetching crate json_schema_test_suite_proc_macro 0.3.0...
[INFO] building json_schema_test_suite_proc_macro-0.3.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate json_schema_test_suite_proc_macro 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate json_schema_test_suite_proc_macro 0.3.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e607317f8e2d58cbae7317c58af61f16e8c9c5a0f15b86b49e57a360ae8ceb9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e607317f8e2d58cbae7317c58af61f16e8c9c5a0f15b86b49e57a360ae8ceb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e607317f8e2d58cbae7317c58af61f16e8c9c5a0f15b86b49e57a360ae8ceb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e607317f8e2d58cbae7317c58af61f16e8c9c5a0f15b86b49e57a360ae8ceb9", kill_on_drop: false }`
[INFO] [stdout] 7e607317f8e2d58cbae7317c58af61f16e8c9c5a0f15b86b49e57a360ae8ceb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] da2328ee3622282d184667941e0b284d9ef86bbb87f770db617a016c0a09ceaf
[INFO] running `Command { std: "docker" "start" "-a" "da2328ee3622282d184667941e0b284d9ef86bbb87f770db617a016c0a09ceaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "da2328ee3622282d184667941e0b284d9ef86bbb87f770db617a016c0a09ceaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2328ee3622282d184667941e0b284d9ef86bbb87f770db617a016c0a09ceaf", kill_on_drop: false }`
[INFO] [stdout] da2328ee3622282d184667941e0b284d9ef86bbb87f770db617a016c0a09ceaf
