WIP converting from cli.rs to build/*.rs

Cargo.lock

@@ -309,7 +309,6 @@ dependencies = [
  "jobslot",
  "num-bigint",
  "num-traits",
- "os_pipe",
  "petgraph",
  "serde",
  "serde_json",
@@ -514,16 +513,6 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
-[[package]]
-name = "os_pipe"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ffd2b0a5634335b135d5728d84c5e0fd726954b87111f7506a61c502280d982"
-dependencies = [
- "libc",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "petgraph"
 version = "0.8.1"