macmini-98de64:mc2_bluman_util thomashavlik$ RUST_BACKTRACE=1 cargo check
warning: file found to be present in multiple build targets: /Users/thomashavlik/Development/mc2_bluman_util/src/build.rs
warning: unused manifest key: dependencies.capnp.edition
   Compiling mc2_bluman_util v0.1.0 (/Users/thomashavlik/Development/mc2_bluman_util)
error: failed to run custom build command for `mc2_bluman_util v0.1.0 (/Users/thomashavlik/Development/mc2_bluman_util)`
process didn't exit successfully: `/Users/thomashavlik/Development/mc2_bluman_util/target/debug/build/mc2_bluman_util-cdeabc295dfc988c/build-script-build` (exit code: 101)
--- stdout
cargo:rerun-if-changed=src/build.rs
cargo:rerun-if-changed=src/crack.capnp

--- stderr
thread 'main' panicked at 'compiling schema: Error { kind: Failed, description: "Error while trying to execute `capnp compile`: Failed: failed to fill whole buffer.  Please verify that version 0.5.2 or higher of the capnp executable is installed on your system. See https://capnproto.org/install.html" }', src/libcore/result.rs:1009:5
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
             at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
   1: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:71
   2: std::panicking::default_hook::{{closure}}
             at src/libstd/sys_common/backtrace.rs:59
             at src/libstd/panicking.rs:211
   3: std::panicking::default_hook
             at src/libstd/panicking.rs:227
   4: <std::panicking::begin_panic::PanicPayload<A> as core::panic::BoxMeUp>::get
             at src/libstd/panicking.rs:491
   5: std::panicking::continue_panic_fmt
             at src/libstd/panicking.rs:398
   6: std::panicking::try::do_call
             at src/libstd/panicking.rs:325
   7: core::char::methods::<impl char>::escape_debug
             at src/libcore/panicking.rs:95
   8: <u64 as capnp::private::zero::Zero>::zero
             at /rustc/9fda7c2237db910e41d6a712e9a2139b352e558b/src/libcore/macros.rs:26
   9: capnpc::schema_capnp::type_::any_pointer::parameter::Reader::get_parameter_index
             at /rustc/9fda7c2237db910e41d6a712e9a2139b352e558b/src/libcore/result.rs:835
  10: build_script_build::main
             at src/build.rs:6
  11: std::rt::lang_start::{{closure}}
             at /rustc/9fda7c2237db910e41d6a712e9a2139b352e558b/src/libstd/rt.rs:74
  12: std::panicking::try::do_call
             at src/libstd/rt.rs:59
             at src/libstd/panicking.rs:310
  13: panic_unwind::dwarf::eh::read_encoded_pointer
             at src/libpanic_unwind/lib.rs:102
  14: <std::panicking::begin_panic::PanicPayload<A> as core::panic::BoxMeUp>::get
             at src/libstd/panicking.rs:289
             at src/libstd/panic.rs:398
             at src/libstd/rt.rs:58
  15: std::rt::lang_start
             at /rustc/9fda7c2237db910e41d6a712e9a2139b352e558b/src/libstd/rt.rs:74
  16: build_script_build::main