cargo test doesn't work

[est31]

Trying to do cargo test gives me:

$ cargo test
    Updating registry `https://github.com/rust-lang/crates.io-index`
    Updating git repository `https://github.com/japaric/utest`
   Compiling compiler_builtins v0.1.0 (file://~/src/compiler-builtins)
error: couldn't read "~/src/compiler-builtins/target/debug/build/compiler_builtins-c8e6c3e61fa405d0/out/powidf2.rs": No such file or directory (os error 2)
 --> tests/powidf2.rs:8:1
  |
8 | include!(concat!(env!("OUT_DIR"), "/powidf2.rs"));
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: couldn't read "~/src/compiler-builtins/target/debug/build/compiler_builtins-c8e6c3e61fa405d0/out/moddi3.rs": No such file or directory (os error 2)
 --> tests/moddi3.rs:8:1
  |
8 | include!(concat!(env!("OUT_DIR"), "/moddi3.rs"));
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: couldn't read "~/src/compiler-builtins/target/debug/build/compiler_builtins-c8e6c3e61fa405d0/out/fixunsdfdi.rs": No such file or directory (os error 2)
 --> tests/fixunsdfdi.rs:8:1
  |
8 | include!(concat!(env!("OUT_DIR"), "/fixunsdfdi.rs"));
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: Could not compile `compiler_builtins`.
Build failed, waiting for other jobs to finish...
error: Could not compile `compiler_builtins`.
Build failed, waiting for other jobs to finish...
error: Could not compile `compiler_builtins`.
Build failed, waiting for other jobs to finish...
error: build failed

[est31]

Hmm apparently you need to do cargo test --no-default-features --features gen-tests.

[alexcrichton]

This has since been fixed.