diff --git a/Compiler/test/codegen.jl b/Compiler/test/codegen.jl
index 9b92f560c64fc..ff61ac719c59e 100644
--- a/Compiler/test/codegen.jl
+++ b/Compiler/test/codegen.jl
@@ -1031,7 +1031,7 @@ end
 # Make sure that code that has unbound sparams works
 #https://github.com/JuliaLang/julia/issues/56739
 
-f56739(a) where {T} = a
+@test_warn r"declares type variable T but does not use it" @eval f56739(a) where {T} = a
 
 @test f56739(1) == 1
 g56739(x) = @noinline f56739(x)
diff --git a/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/md5 b/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/md5
new file mode 100644
index 0000000000000..cbd2acb2c6f66
--- /dev/null
+++ b/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/md5
@@ -0,0 +1 @@
+7b511b7dab411685206d0d90cc1fb56e
diff --git a/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/sha512 b/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/sha512
new file mode 100644
index 0000000000000..5201bbdcc40f9
--- /dev/null
+++ b/deps/checksums/SHA-4451e1362e425bcbc1652ecf55fc0e525b18fb63.tar.gz/sha512
@@ -0,0 +1 @@
+960367406d80e46e8e742bcb0f7f0e4b089b664c2321ca82953eb760b325693ae57f431d891ccf56c3ab9146bc29682d2d1767bc635f4dbe6dd4d80030a42487
diff --git a/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/md5 b/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/md5
deleted file mode 100644
index 52e05f5e427ae..0000000000000
--- a/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-e52615827242aae56422a4f73a8c6878
diff --git a/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/sha512 b/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/sha512
deleted file mode 100644
index e6b8446587554..0000000000000
--- a/deps/checksums/SHA-8fa221ddc8f3b418d9929084f1644f4c32c9a27e.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-7b1df257616aaa9067f822a88dddf52bc10f9f61e3a0728e33e595455bd7167e680c50371c41cb25f8c8a9fb9cf40225847df1523a6c6f3571a471f7163f563c
diff --git a/stdlib/REPL/src/docview.jl b/stdlib/REPL/src/docview.jl
index 0868d3e80c824..e0710d89a67e2 100644
--- a/stdlib/REPL/src/docview.jl
+++ b/stdlib/REPL/src/docview.jl
@@ -301,10 +301,11 @@ function summarize(binding::Binding, sig)
     if defined(binding)
         binding_res = resolve(binding)
         if !isa(binding_res, Module)
+            varstr = "$(binding.mod).$(binding.var)"
             if Base.ispublic(binding.mod, binding.var)
-                println(io, "No documentation found for public symbol.\n")
+                println(io, "No documentation found for public binding `$varstr`.\n")
             else
-                println(io, "No documentation found for private symbol.\n")
+                println(io, "No documentation found for private binding `$varstr`.\n")
             end
         end
         summarize(io, binding_res, binding)
diff --git a/stdlib/SHA.version b/stdlib/SHA.version
index 4b33964a6dcdb..a5d4372d5798b 100644
--- a/stdlib/SHA.version
+++ b/stdlib/SHA.version
@@ -1,4 +1,4 @@
 SHA_BRANCH = master
-SHA_SHA1 = 8fa221ddc8f3b418d9929084f1644f4c32c9a27e
+SHA_SHA1 = 4451e1362e425bcbc1652ecf55fc0e525b18fb63
 SHA_GIT_URL := https://github.com/JuliaCrypto/SHA.jl.git
 SHA_TAR_URL = https://api.github.com/repos/JuliaCrypto/SHA.jl/tarball/$1
diff --git a/test/ambiguous.jl b/test/ambiguous.jl
index 43ec1aab0557d..5f859e773f5d2 100644
--- a/test/ambiguous.jl
+++ b/test/ambiguous.jl
@@ -97,7 +97,7 @@ ambig(x::Union{Char, Int16}) = 's'
 
 # Automatic detection of ambiguities
 
-const allowed_undefineds = Set([])
+const allowed_undefineds = Set([GlobalRef(Base, :active_repl)])
 
 let Distributed = get(Base.loaded_modules,
                       Base.PkgId(Base.UUID("8ba89e20-285c-5b6f-9357-94700520ee1b"), "Distributed"),
diff --git a/test/boundscheck_exec.jl b/test/boundscheck_exec.jl
index 85df1d64017b4..3b2f853999229 100644
--- a/test/boundscheck_exec.jl
+++ b/test/boundscheck_exec.jl
@@ -298,7 +298,7 @@ end
 end |> only === Type{Int}
 
 if bc_opt == bc_default
-@testset "Array/Memory escape analysis" begin
+    # Array/Memory escape analysis
     function no_allocate(T::Type{<:Union{Memory, Vector}})
         v = T(undef, 2)
         v[1] = 2
@@ -308,8 +308,8 @@ if bc_opt == bc_default
     function test_alloc(::Type{T}; broken=false) where T
         @test (@allocated no_allocate(T)) == 0 broken=broken
     end
-    @testset "$T" for T in [Memory, Vector]
-        @testset "$ET" for ET in [Int, Float32, Union{Int, Float64}]
+    for T in [Memory, Vector]
+        for ET in [Int, Float32, Union{Int, Float64}]
             no_allocate(T{ET}) #compile
             # allocations aren't removed for Union eltypes which they theoretically could be eventually
             test_alloc(T{ET}, broken=(ET==Union{Int, Float64}))
@@ -345,6 +345,5 @@ if bc_opt == bc_default
     no_alias_prove(1)
     @test_broken (@allocated no_alias_prove(5)) == 0
 end
-end
 
 end
diff --git a/test/channel_threadpool.jl b/test/channel_threadpool.jl
index 4509604087fa8..54c2fc0f83e09 100644
--- a/test/channel_threadpool.jl
+++ b/test/channel_threadpool.jl
@@ -3,12 +3,10 @@
 using Test
 using Base.Threads
 
-@testset "Task threadpools" begin
-    c = Channel{Symbol}() do c; put!(c, threadpool(current_task())); end
-    @test take!(c) === threadpool(current_task())
-    c = Channel{Symbol}(spawn = true) do c; put!(c, threadpool(current_task())); end
-    @test take!(c) === :default
-    c = Channel{Symbol}(threadpool = :interactive) do c; put!(c, threadpool(current_task())); end
-    @test take!(c) === :interactive
-    @test_throws ArgumentError Channel{Symbol}(threadpool = :foo) do c; put!(c, :foo); end
-end
+c = Channel{Symbol}() do c; put!(c, threadpool(current_task())); end
+@test take!(c) === threadpool(current_task())
+c = Channel{Symbol}(spawn = true) do c; put!(c, threadpool(current_task())); end
+@test take!(c) === :default
+c = Channel{Symbol}(threadpool = :interactive) do c; put!(c, threadpool(current_task())); end
+@test take!(c) === :interactive
+@test_throws ArgumentError Channel{Symbol}(threadpool = :foo) do c; put!(c, :foo); end
diff --git a/test/docs.jl b/test/docs.jl
index 8cfdbba3f2d97..0fff85e90cb59 100644
--- a/test/docs.jl
+++ b/test/docs.jl
@@ -684,9 +684,11 @@ end
 @doc "This should document @m1... since its the result of expansion" @m2_11993
 @test (@doc @m1_11993) !== nothing
 let d = (@doc :@m2_11993),
-    macro_doc = Markdown.parse("`$(curmod_prefix == "Main." ? "" : curmod_prefix)@m2_11993` is a macro.")
+    varstr = "$(curmod_prefix == "Main." ? "" : curmod_prefix)@m2_11993"
+    docstr = Markdown.Code("", "$curmod_prefix@m2_11993")
+    macro_doc = Markdown.parse("`$varstr` is a macro.")
     @test docstring_startswith(d, doc"""
-    No documentation found for private symbol.
+    No documentation found for private binding $docstr.
 
     $macro_doc""")
 end
@@ -901,7 +903,7 @@ Binding `$(curmod_prefix)Undocumented.bindingdoesnotexist` does not exist.
 @test docstrings_equal(@doc(Undocumented.bindingdoesnotexist), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for public symbol.
+No documentation found for public binding `$(curmod_prefix)Undocumented.A`.
 
 # Summary
 ```
@@ -917,7 +919,7 @@ $(curmod_prefix)Undocumented.C
 @test docstrings_equal(@doc(Undocumented.A), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for public symbol.
+No documentation found for public binding `$(curmod_prefix)Undocumented.B`.
 
 # Summary
 ```
@@ -937,7 +939,7 @@ $(curmod_prefix)Undocumented.B <: $(curmod_prefix)Undocumented.A <: Any
 @test docstrings_equal(@doc(Undocumented.B), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for public symbol.
+No documentation found for public binding `$(curmod_prefix)Undocumented.C`.
 
 # Summary
 ```
@@ -952,7 +954,7 @@ $(curmod_prefix)Undocumented.C <: $(curmod_prefix)Undocumented.A <: Any
 @test docstrings_equal(@doc(Undocumented.C), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.D`.
 
 # Summary
 ```
@@ -974,7 +976,7 @@ $(curmod_prefix)Undocumented.D <: $(curmod_prefix)Undocumented.B <: $(curmod_pre
 @test docstrings_equal(@doc(Undocumented.D), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for public symbol.
+No documentation found for public binding `$(curmod_prefix)Undocumented.at0`.
 
 # Summary
 
@@ -994,7 +996,7 @@ $(curmod_prefix)Undocumented.st4{T<:Number, N}
 @test docstrings_equal(@doc(Undocumented.at0), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.at1`.
 
 # Summary
 
@@ -1017,7 +1019,7 @@ $(curmod_prefix)Undocumented.at1{T>:Integer, N} <: $(curmod_prefix)Undocumented.
 @test docstrings_equal(@doc(Undocumented.at1), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.at_`.
 
 # Summary
 
@@ -1036,7 +1038,7 @@ $(curmod_prefix)Undocumented.st4{Int64, N}
 @test docstrings_equal(@doc(Undocumented.at_), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for public symbol.
+No documentation found for public binding `$(curmod_prefix)Undocumented.pt2`.
 
 # Summary
 
@@ -1053,7 +1055,7 @@ $(curmod_prefix)Undocumented.pt2{T<:Number, N, A>:Integer} <: $(curmod_prefix)Un
 @test docstrings_equal(@doc(Undocumented.pt2), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.st3`.
 
 # Summary
 
@@ -1076,7 +1078,7 @@ $(curmod_prefix)Undocumented.st3{T<:Integer, N} <: $(curmod_prefix)Undocumented.
 @test docstrings_equal(@doc(Undocumented.st3), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.st4`.
 
 # Summary
 
@@ -1098,7 +1100,7 @@ $(curmod_prefix)Undocumented.st4{T, N} <: $(curmod_prefix)Undocumented.at0{T, N}
 @test docstrings_equal(@doc(Undocumented.st4), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.st5`.
 
 # Summary
 
@@ -1119,7 +1121,7 @@ $(curmod_prefix)Undocumented.st5{T>:Int64, N} <: $(curmod_prefix)Undocumented.at
 @test docstrings_equal(@doc(Undocumented.st5), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.mt6`.
 
 # Summary
 
@@ -1140,7 +1142,7 @@ $(curmod_prefix)Undocumented.mt6{T<:Integer, N} <: $(curmod_prefix)Undocumented.
 @test docstrings_equal(@doc(Undocumented.mt6), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.ut7`.
 
 # Summary
 
@@ -1154,7 +1156,7 @@ No documentation found for private symbol.
 @test docstrings_equal(@doc(Undocumented.ut7), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.ut8`.
 
 # Summary
 
@@ -1170,7 +1172,7 @@ No documentation found for private symbol.
 @test docstrings_equal(@doc(Undocumented.ut8), doc"$doc_str")
 
 doc_str = Markdown.parse("""
-No documentation found for private symbol.
+No documentation found for private binding `$(curmod_prefix)Undocumented.ut9`.
 
 # Summary
 
@@ -1189,7 +1191,7 @@ let d = @doc(Undocumented.f)
     io = IOBuffer()
     show(io, MIME"text/markdown"(), d)
     @test startswith(String(take!(io)),"""
-    No documentation found for private symbol.
+    No documentation found for private binding `$(curmod_prefix)Undocumented.f`.
 
     `$(curmod_prefix)Undocumented.f` is a `Function`.
     """)
@@ -1199,7 +1201,7 @@ let d = @doc(Undocumented.undocumented)
     io = IOBuffer()
     show(io, MIME"text/markdown"(), d)
     @test startswith(String(take!(io)), """
-    No documentation found for private symbol.
+    No documentation found for private binding `$(curmod_prefix)Undocumented.undocumented`.
 
     `$(curmod_prefix)Undocumented.undocumented` is a `Function`.
     """)
diff --git a/test/spawn.jl b/test/spawn.jl
index c1802ba1f74da..0356cf9871424 100644
--- a/test/spawn.jl
+++ b/test/spawn.jl
@@ -78,7 +78,7 @@ out = read(`$echocmd hello` & `$echocmd world`, String)
 @test occursin("hello", out)
 @test read(pipeline(`$echocmd hello` & `$echocmd world`, sortcmd), String) == "hello\nworld\n"
 
-@test (run(`$printfcmd "       \033[34m[stdio passthrough ok]\033[0m\n"`); true)
+@test_warn r"[stdio passthrough ok]" run(pipeline(`$printfcmd "       \033[34m[stdio passthrough ok]\033[0m\n"`, stdout=stderr, stderr=stderr))
 
 # Test for SIGPIPE being a failure condition
 @test_throws ProcessFailedException run(pipeline(yescmd, `head`, devnull))
diff --git a/test/syntax.jl b/test/syntax.jl
index 9fd0204821eab..bdf9579b134eb 100644
--- a/test/syntax.jl
+++ b/test/syntax.jl
@@ -3971,11 +3971,12 @@ end
 
 # Module Replacement
 module ReplacementContainer
+    using Test
     module ReplaceMe
         const x = 1
     end
     const Old = ReplaceMe
-    module ReplaceMe
+    @test_warn r"WARNING: replacing module ReplaceMe" @eval module ReplaceMe
         const x = 2
     end
 end