error reporting on gotham, webframework

[cpdean]

I've messed something up about parsing a project's toml

thread 'main' panicked at 'dunno Compat { error: ErrorMessage { msg: "manifest path `/home/conrad/dev/foss/rust/gotham/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace" }

stack backtrace:
   0: failure::backtrace::internal::InternalBacktrace::new::he4986608efdde9fc (0x5560215473ef)
   1: failure::backtrace::Backtrace::new::h5b4f19a770bab8b5 (0x55602154768f)
   2: cargo::core::workspace::Workspace::current::he0946466ad956eb3 (0x55602131946e)
   3: cargo_danger::main::hcdca0f7decce5456 (0x55602106dc9a)
   4: std::rt::lang_start::{{closure}}::hf6979feb6dd869b6 (0x55602104d632)
   5: std::rt::lang_start_internal::{{closure}}::hdfc28107b5be47c9 (0x556021573ad2)
             at src/libstd/rt.rs:59
      std::panicking::try::do_call::h69790245ac2d03fe
             at src/libstd/panicking.rs:310
   6: __rust_maybe_catch_panic (0x556021587699)
             at src/libpanic_unwind/lib.rs:102
   7: std::panicking::try::h9c1cbc5599e1efbf (0x556021574563)
             at src/libstd/panicking.rs:289
      std::panic::catch_unwind::h0562757d03ff60b3
             at src/libstd/panic.rs:398
      std::rt::lang_start_internal::h540c897fe52ba9c5
             at src/libstd/rt.rs:58
   8: main (0x556021073231)
   9: __libc_start_main (0x7ff05a6a7b96)
  10: _start (0x5560210489d9)
  11: <unknown> (0x0) }', /home/conrad/.cargo/registry/src/github.com-1ecc6299db9ec823/cargo-danger-0.2.1/src/main.rs:57:17
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::rust_panic_with_hook
             at src/libstd/panicking.rs:491
   5: std::panicking::continue_panic_fmt
             at src/libstd/panicking.rs:398
   6: std::panicking::begin_panic_fmt
             at src/libstd/panicking.rs:353
   7: cargo_danger::main
   8: std::rt::lang_start::{{closure}}
   9: std::panicking::try::do_call
             at src/libstd/rt.rs:59
             at src/libstd/panicking.rs:310
  10: __rust_maybe_catch_panic
             at src/libpanic_unwind/lib.rs:102
  11: std::rt::lang_start_internal
             at src/libstd/panicking.rs:289
             at src/libstd/panic.rs:398
             at src/libstd/rt.rs:58
  12: main
  13: __libc_start_main
  14: _start