0.46.0: test failures in test_run_command::test_run_pool_size_from_jobs_flag, test_run_command::test_run_sets_workspace_root_env_var, test_run_command::test_run_sparse

failures:

---- test_run_command::test_run_pool_size_from_jobs_flag stdout ----

thread 'test_run_command::test_run_pool_size_from_jobs_flag' (23656) panicked at cli/tests/test_run_command.rs:1069:10:
------- stderr -------
Error: Bad file descriptor (os error 9)
[EOF]
[exit status: 1]

note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

---- test_run_command::test_run_sets_workspace_root_env_var stdout ----

thread 'test_run_command::test_run_sets_workspace_root_env_var' (15068) panicked at cli/tests/test_run_command.rs:846:30:
------- stderr -------
Error: Bad file descriptor (os error 9)
[EOF]
[exit status: 1]


---- test_run_command::test_run_sparse stdout ----

thread 'test_run_command::test_run_sparse' (26230) panicked at cli/tests/test_run_command.rs:2147:10:
------- stderr -------
Error: Bad file descriptor (os error 9)
[EOF]
[exit status: 1]



failures:
    test_run_command::test_run_pool_size_from_jobs_flag
    test_run_command::test_run_sets_workspace_root_env_var
    test_run_command::test_run_sparse

test result: FAILED. 1134 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 50.98s