diff --git a/bin/main.ml b/bin/main.ml
index 1fa26e2d..c1d02266 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -195,11 +195,11 @@ let all =
   ]
 
 let () =
+  Ansi_color.setup_err_formatter_colors ();
   try
     match Term.eval_choice (build_targets ~name:"jbuilder") all ~catch:false with
     | `Error _ -> exit 1
     | _ -> exit 0
   with exn ->
-    Ansi_color.setup_err_formatter_colors ();
     Format.eprintf "%a@?" (Main.report_error ?map_fname:None) exn;
     exit 1
diff --git a/src/ansi_color.ml b/src/ansi_color.ml
index ec8a0e00..64bce73d 100644
--- a/src/ansi_color.ml
+++ b/src/ansi_color.ml
@@ -152,6 +152,9 @@ let setup_err_formatter_colors () =
            | "loc" -> [Bold]
            | "error" -> [Bold; Foreground Red]
            | "warning" -> [Bold; Foreground Magenta]
+           | "kwd" -> [Bold; Foreground Blue]
+           | "id" -> [Bold; Foreground Yellow]
+           | "prompt" -> [Bold; Foreground Green]
            | _ -> []))
       }
   end
diff --git a/src/ansi_color.mli b/src/ansi_color.mli
index 14d5d8dd..35024f30 100644
--- a/src/ansi_color.mli
+++ b/src/ansi_color.mli
@@ -6,6 +6,5 @@ val setup_env_for_ocaml_colors : unit Lazy.t
 (** Strip colors in [not (Lazy.force stderr_supports_colors)] *)
 val strip_colors_for_stderr : string -> string
 
-(** Enable the interpretation of ["loc"], ["error"] and ["warning"] tags for
-    [Format.err_formatter] *)
+(** Enable the interpretation of color tags for [Format.err_formatter] *)
 val setup_err_formatter_colors : unit -> unit
diff --git a/src/future.ml b/src/future.ml
index 4a8d185b..b7732fe8 100644
--- a/src/future.ml
+++ b/src/future.ml
@@ -235,13 +235,6 @@ module Scheduler = struct
 
   let running = Hashtbl.create 128
 
-  let handle_process_status job (status : Unix.process_status) =
-    match status with
-    | WEXITED   0 -> ()
-    | WEXITED   n -> die "Command [%d] exited with code %d"     job.id n
-    | WSIGNALED n -> die "Command [%d] got killed by signal %d" job.id n
-    | WSTOPPED  _ -> assert false
-
   let process_done ?(exiting=false) job (status : Unix.process_status) =
     Hashtbl.remove running job.pid;
     let output =
@@ -271,13 +264,15 @@ module Scheduler = struct
           Printf.eprintf "Output[%d]:\n%s%!" job.id output;
         Ivar.fill job.job.ivar ()
       | WEXITED n ->
-        Printf.eprintf "\nCommand [%d] exited with code %d:\n$ %s\n%s%!"
+        Format.eprintf "\n@{<kwd>Command@} [@{<id>%d@}] exited with code %d:\n\
+                        @{<prompt>$@} %s\n%s%!"
           job.id n
           (Ansi_color.strip_colors_for_stderr job.command_line)
           (Ansi_color.strip_colors_for_stderr output);
         die ""
       | WSIGNALED n ->
-        Printf.eprintf "\nCommand [%d] got signal %d:\n$ %s\n%s%!"
+        Printf.eprintf "\n@{<kwd>Command@} [@{<id>%d@}] got signal %d:\n\
+                        @{<prompt>$@} %s\n%s%!"
           job.id n
           (Ansi_color.strip_colors_for_stderr job.command_line)
           (Ansi_color.strip_colors_for_stderr output);
@@ -325,7 +320,7 @@ module Scheduler = struct
         let id = gen_id () in
         let command_line = command_line job in
         if !Clflags.debug_run then
-          Printf.eprintf "Running[%d]: %s\n%!" id
+          Format.eprintf "@{<kwd>Running@}[@{<id>%d@}]: %s@." id
             (Ansi_color.strip_colors_for_stderr command_line);
         Option.iter job.dir ~f:(fun dir -> Sys.chdir dir);
         let argv = Array.of_list (job.prog :: job.args) in
diff --git a/src/main.ml b/src/main.ml
index abc3e694..58335652 100644
--- a/src/main.ml
+++ b/src/main.ml
@@ -56,10 +56,10 @@ let report_error ?(map_fname=fun x->x) ppf exn ~backtrace =
   | Fatal_error msg ->
     Format.fprintf ppf "%s\n" (String.capitalize msg)
   | Findlib.Package_not_found pkg ->
-    Format.fprintf ppf "Findlib package %S not found.\n" pkg
+    Format.fprintf ppf "@{<error>Findlib package %S not found.@}\n" pkg
   | Code_error msg ->
     let bt = Printexc.raw_backtrace_to_string backtrace in
-    Format.fprintf ppf "Internal error, please report upstream.\n\
+    Format.fprintf ppf "@{<error>Internal error, please report upstream.@}\n\
                         Description: %s\n\
                         Backtrace:\n\
                         %s" msg bt
@@ -69,7 +69,7 @@ let report_error ?(map_fname=fun x->x) ppf exn ~backtrace =
     if String.is_prefix s ~prefix:"File \"" then
       Format.fprintf ppf "%s\nBacktrace:\n%s" s bt
     else
-      Format.fprintf ppf "Error: exception %s\nBacktrace:\n%s" s bt
+      Format.fprintf ppf "@{<error>Error@}: exception %s\nBacktrace:\n%s" s bt
 
 let report_error ?map_fname ppf exn =
   match exn with