diff --git a/src/PerfChecker.jl b/src/PerfChecker.jl
index 75e84e3..b7187f1 100644
--- a/src/PerfChecker.jl
+++ b/src/PerfChecker.jl
@@ -6,7 +6,7 @@ using Pkg.Types
 import TOML: parse
 using Profile
 import TypedTables: Table
-import Malt: remote_eval, Worker, remote_eval_fetch, stop, fetch
+import Malt: remote_eval_wait, Worker, remote_eval_fetch, stop, fetch
 import CoverageTools: analyze_malloc_files, find_malloc_files, MallocInfo
 import Base.Sys: CPUinfo, CPU_NAME, cpu_info, WORD_SIZE
 import CpuId: simdbytes, cpucores, cputhreads, cputhreads_per_core
diff --git a/src/check.jl b/src/check.jl
index d40bf24..ebb80e7 100644
--- a/src/check.jl
+++ b/src/check.jl
@@ -55,14 +55,18 @@ function check_function(x::Symbol, d::Dict, block1, block2)
     end;
 
     for i in 1:len
-        remote_eval(Main, procs[i], quote
+        remote_eval_wait(Main, procs[i], quote
             import Pkg
-            Pkg.instantiate()
+            let
+                i = $i
+                @info "Worker No.: $i"
+            end    
+            Pkg.instantiate(;io=stderr)
         end)
 
-        remote_eval(Main, procs[i], initpkg)
+        remote_eval_wait(Main, procs[i], initpkg)
 
-        remote_eval(Main, procs[i], quote
+        remote_eval_wait(Main, procs[i], quote
             d = $di
             pkgs = $pkgs
             if !($i == $len && $devop)