diff --git a/src/API.jl b/src/API.jl
index 5cf4285130..867a1570f6 100644
--- a/src/API.jl
+++ b/src/API.jl
@@ -1149,12 +1149,15 @@ function precompile(ctx::Context, pkgs::Vector{PackageSpec}; internal_call::Bool
 
     # if the active environment is a package, add that
     ctx_env_pkg = ctx.env.pkg
-    if ctx_env_pkg !== nothing && isfile( joinpath( dirname(ctx.env.project_file), "src", "$(ctx_env_pkg.name).jl") )
-        depsmap[Base.PkgId(ctx_env_pkg.uuid, ctx_env_pkg.name)] = [
+    if ctx_env_pkg !== nothing && isfile(joinpath(dirname(ctx.env.project_file), "src", "$(ctx_env_pkg.name).jl"))
+        project_pkgid = Base.PkgId(ctx_env_pkg.uuid, ctx_env_pkg.name)
+        depsmap[project_pkgid] = [
             Base.PkgId(last(x), first(x))
             for x in ctx.env.project.deps if !Base.in_sysimage(Base.PkgId(last(x), first(x)))
         ]
         push!(direct_deps, Base.PkgId(ctx_env_pkg.uuid, ctx_env_pkg.name))
+    else
+        project_pkgid = nothing
     end
 
     # return early if no deps
@@ -1277,23 +1280,25 @@ function precompile(ctx::Context, pkgs::Vector{PackageSpec}; internal_call::Bool
     stderr_outputs = Dict{Base.PkgId,String}()
     taskwaiting = Set{Base.PkgId}()
     pkgspidlocked = Dict{Base.PkgId,String}()
+    pkg_liveprinted = nothing
 
     function monitor_stderr(pkg, iob; single_requested_pkg=false)
         try
             liveprinting = false
             while isopen(iob)
-                str = readline(iob)
+                str = readline(iob; keep=true)
                 if single_requested_pkg && (liveprinting || !isempty(str))
                     lock(print_lock) do
                         if !liveprinting
-                            printpkgstyle(io, :Info, "Given `precompile $(pkg.name)` was explicitly requested, output will be shown live $ansi_cleartoendofline",
+                            printpkgstyle(io, :Info, "Given $(pkg.name) was explicitly requested, output will be shown live $ansi_cleartoendofline",
                                 color = Base.info_color())
                             liveprinting = true
+                            pkg_liveprinted = pkg
                         end
-                        println(io, str, ansi_cleartoendofline)
+                        print(io, ansi_cleartoendofline, str)
                     end
                 end
-                stderr_outputs[pkg] = get(stderr_outputs, pkg, "") * str * "\n"
+                stderr_outputs[pkg] = string(get(stderr_outputs, pkg, ""), str)
                 if !in(pkg, taskwaiting) && occursin("waiting for IO to finish", str)
                     !fancyprint && lock(print_lock) do
                         println(io, pkg.name, color_string(" Waiting for background task / IO / timer.", Base.warn_color()))
@@ -1421,7 +1426,13 @@ function precompile(ctx::Context, pkgs::Vector{PackageSpec}; internal_call::Bool
             continue
         end
 
-        single_requested_pkg = length(pkgs) == 1 && only(pkgs).name == pkg.name
+        single_requested_pkg = if length(pkgs) == 1
+            only(pkgs).name == pkg.name
+        elseif project_pkgid isa Base.PkgId
+            pkg == project_pkgid # if a package project is being precompiled, consider the package requested
+        else
+            false
+        end
 
         task = @async begin
             try
@@ -1566,7 +1577,11 @@ function precompile(ctx::Context, pkgs::Vector{PackageSpec}; internal_call::Bool
                 plural2 = length(stderr_outputs) == 1 ? "" : "s"
                 print(iostr, "\n  ", color_string("$(length(stderr_outputs))", Base.warn_color()), " dependenc$(plural1) had output during precompilation:")
                 for (pkgid, err) in stderr_outputs
-                    err = join(split(strip(err), "\n"), color_string("\n│  ", Base.warn_color()))
+                    err = if pkgid == pkg_liveprinted
+                        "Output shown above"
+                    else
+                        join(split(strip(err), "\n"), color_string("\n│  ", Base.warn_color()))
+                    end
                     print(iostr, color_string("\n┌ ", Base.warn_color()), pkgid, color_string("\n│  ", Base.warn_color()), err, color_string("\n└  ", Base.warn_color()))
                 end
             end