pick a base stage name that wont clash with dockerio lib

Signed-off-by: Pierre Fenoll <[email protected]>

Author: fenollp

rustcbuildx/src/base.rs

@@ -92,7 +92,7 @@ RUN \
             }
             block
         } else {
-            format!("FROM {base} AS rust\n")
+            format!("FROM {base} AS {RUST}\n")
         }
     }
 }

rustcbuildx/src/main.rs

@@ -40,8 +40,7 @@ const VSN: &str = env!("CARGO_PKG_VERSION");
 
 const BUILDRS_CRATE_NAME: &str = "build_script_build";
 
-const RUST: &str = "rust";
-// const RUST: &str = "rust-base";
+const RUST: &str = "rust-base";
 
 // NOTE: this RUSTC_WRAPPER program only ever gets called by `cargo`, so we save
 //       ourselves some trouble and assume std::path::{Path, PathBuf} are UTF-8.

rustcbuildx/src/md.rs

@@ -209,7 +209,7 @@ fn md_utils() {
     fs::write(&tmp, format!(r#"this = "9494aa6093cd94c9"
 deps = ["0dc1fe2644e3176a"]
 contexts = [
-  {{ name = "rust", uri = {LONG:?} }},
+  {{ name = "rust-base", uri = {LONG:?} }},
   {{ name = "input_src_lib_rs--rustversion-1.0.9", uri = "/home/maison/.cargo/registry/src/github.com-1ecc6299db9ec823/rustversion-1.0.9" }},
   {{ name = "crate_out-...", uri = "/home/maison/code/thing.git/target/debug/build/rustversion-ae69baa7face5565/out" }},
 ]