diff --git a/base/file.jl b/base/file.jl
index 6347f042e3422..50c0e87fbd4c6 100644
--- a/base/file.jl
+++ b/base/file.jl
@@ -271,15 +271,9 @@ Stacktrace:
 ```
 """
 function rm(path::AbstractString; force::Bool=false, recursive::Bool=false)
+    @info "rm $path"
     if islink(path) || !isdir(path)
         try
-            @static if Sys.iswindows()
-                # is writable on windows actually means "is deletable"
-                st = lstat(path)
-                if ispath(st) && (filemode(st) & 0o222) == 0
-                    chmod(path, 0o777)
-                end
-            end
             unlink(path)
         catch err
             if force && isa(err, IOError) && err.code==Base.UV_ENOENT
@@ -289,13 +283,16 @@ function rm(path::AbstractString; force::Bool=false, recursive::Bool=false)
         end
     else
         if recursive
-            try
-                for p in readdir(path)
-                    rm(joinpath(path, p), force=force, recursive=true)
-                end
-            catch err
-                if !(isa(err, IOError) && err.code==Base.UV_EACCES)
-                    rethrow(err)
+            for p in readdir(path)
+                fp = joinpath(path, p)
+                try
+                    rm(fp, force=force, recursive=true)
+                catch err
+                    if !(isa(err, IOError) && err.code==Base.UV_EACCES)
+                        rethrow()
+                    else
+                        @warn "Cannot delete due to UV_EACCES: $fp" stat(fp)
+                    end
                 end
             end
         end
@@ -1028,6 +1025,7 @@ function walkdir(root; topdown=true, follow_symlinks=false, onerror=throw)
 end
 
 function unlink(p::AbstractString)
+    @info "unlink $p"
     err = ccall(:jl_fs_unlink, Int32, (Cstring,), p)
     err < 0 && uv_error("unlink($(repr(p)))", err)
     nothing
diff --git a/deps/checksums/libuv b/deps/checksums/libuv
index 7ac93952b8b34..192b3386855db 100644
--- a/deps/checksums/libuv
+++ b/deps/checksums/libuv
@@ -1,34 +1,2 @@
-LibUV.v2.0.1+15.aarch64-apple-darwin.tar.gz/md5/f12ee08b8d5721bd88b651ac573c59ed
-LibUV.v2.0.1+15.aarch64-apple-darwin.tar.gz/sha512/b3c53e04624d9c60e664db2eaaf3add696f95c52e55db0c577547f7bf7e045ce30cffa0e38c3451f483dcdb7ddcac1b7f43b694dfadb37282773ce416af1030a
-LibUV.v2.0.1+15.aarch64-linux-gnu.tar.gz/md5/8cb9f4d6c6a4013fa9ed9ae120058275
-LibUV.v2.0.1+15.aarch64-linux-gnu.tar.gz/sha512/d4213ee47ebdcab4cc4719478608ffa461a5543a16656c2881587364c8ed1b39a2f418d5c3c6a04d7e6dd3df349f0afa72cd1df0e06db6146512356b37637024
-LibUV.v2.0.1+15.aarch64-linux-musl.tar.gz/md5/e23a0d7162fc3f09f0ea92d24cba3f4d
-LibUV.v2.0.1+15.aarch64-linux-musl.tar.gz/sha512/f4a13eee72575092ab673777a53d43ce999a7a8bf847daa0a86b39bbfd3f6c1575f105a0bb629766268921ff94f10d354a0e53d32623f6ad35fca44e7bac25f8
-LibUV.v2.0.1+15.armv6l-linux-gnueabihf.tar.gz/md5/70ed0616cd3737a357b7571ab648d239
-LibUV.v2.0.1+15.armv6l-linux-gnueabihf.tar.gz/sha512/25a4b8a90b7bb62e31c1c2bb1d7e137050de26f311daa9f77be932ab3d9a2b92c82ce82ed37cc74a2b1cd5a60bd0dc412e92d31013d36ad35af2d4f376fbc0b0
-LibUV.v2.0.1+15.armv6l-linux-musleabihf.tar.gz/md5/e4320c51c8904a59c105f7b63d086c79
-LibUV.v2.0.1+15.armv6l-linux-musleabihf.tar.gz/sha512/bbc39d800277a66298c56849c1131a6f1958a2c8b2465b59527965a1bd3f36a4c87c1d7ad4be59ec0f4ca8f94ec1804a619eb963d956b77e645e0e00effc6613
-LibUV.v2.0.1+15.armv7l-linux-gnueabihf.tar.gz/md5/d5436552dc177fc3fd0cf4f575cc03b4
-LibUV.v2.0.1+15.armv7l-linux-gnueabihf.tar.gz/sha512/8d3722290151ecf65f4e3fe3440828492a7b115810b87c8711c5592f4dea69727e516228a5a1bdac430c74b288f12de390daf0a9408274aa27cdd69efc81cfee
-LibUV.v2.0.1+15.armv7l-linux-musleabihf.tar.gz/md5/67e1ba03ddf2d2bdd79fef25a5976350
-LibUV.v2.0.1+15.armv7l-linux-musleabihf.tar.gz/sha512/535565657b5714da0db5c622b65b261a77f21f407b1166eee99f35ba3bb9c6fab4c7d1f3db70528767cef7c66c856c5101b01423be05efb9219ec4c76df0be6a
-LibUV.v2.0.1+15.i686-linux-gnu.tar.gz/md5/ba1432ecd75e6a43ff197d51ba76446c
-LibUV.v2.0.1+15.i686-linux-gnu.tar.gz/sha512/dc8940284d4ba05098037fcf4b3bada199878794ef34ad09d8992ef58e4c829b00a3fcca29c4f65b49edcab4274092232ff5d7619b3535333125043f89503cfc
-LibUV.v2.0.1+15.i686-linux-musl.tar.gz/md5/237080cf5d1286a3d2f35d134a285d28
-LibUV.v2.0.1+15.i686-linux-musl.tar.gz/sha512/834f16a16cf6b765dfd094037c8a45ccdedc2eb9e45f527c6721eb0f60f4e56dc4f9b90a2a35e3ed10da4a937d8555e97034e0a29d733cac5352061ebe286799
-LibUV.v2.0.1+15.i686-w64-mingw32.tar.gz/md5/8a5261a6ce4200d272b5eda4fe9ecb31
-LibUV.v2.0.1+15.i686-w64-mingw32.tar.gz/sha512/b372b9368a9ac92775a8d6ee39b492905dc5f58f16d7edf792e0c2ffbd4507ede79139a24fe852dfa26068d0f076a4abf3c3b868a8a057b23fdbad80999d315f
-LibUV.v2.0.1+15.powerpc64le-linux-gnu.tar.gz/md5/53db7b763af204477ce8f0bfae0ce15c
-LibUV.v2.0.1+15.powerpc64le-linux-gnu.tar.gz/sha512/bbfe2518d4dc84fe73b7d3f3bcaf5aeef0db0d284c0e205e3e3670b8ce6f3ea593a0e52d125fd9a79cd098dba0d35f151cb46469fa25dfeef62ebcc966f94d4f
-LibUV.v2.0.1+15.x86_64-apple-darwin.tar.gz/md5/b4699192c098564edc5589e90c47324e
-LibUV.v2.0.1+15.x86_64-apple-darwin.tar.gz/sha512/2505e4060712143d3213747d4276c0b99dec78579d2ab0b71c5d7edf15ae80e0178138a11470c976d97de14e44b153dcb00c08c864523d7ee0ead8e48cf15d14
-LibUV.v2.0.1+15.x86_64-linux-gnu.tar.gz/md5/f5515c50106a0748b9a1986c912a00f3
-LibUV.v2.0.1+15.x86_64-linux-gnu.tar.gz/sha512/5822396039e14a5d919f2612559a8d62a925c4319e66eb05ed20faed754318762f5653851684701cd4ddb1edf10bfe25d252c3d9cd84228e498e825ba61146b1
-LibUV.v2.0.1+15.x86_64-linux-musl.tar.gz/md5/1962e6f21080e874d2ca0275c5b569b2
-LibUV.v2.0.1+15.x86_64-linux-musl.tar.gz/sha512/4702e13633d77a6c0aeb1e7cd252471a779177e20c68485130f420cc4878c8f7de7f0f51730008ba9dc0f275875a5947629d39aff200691e26f31d42e388d53d
-LibUV.v2.0.1+15.x86_64-unknown-freebsd.tar.gz/md5/928a789c3cd3b4cefcc1cf13f5f179ac
-LibUV.v2.0.1+15.x86_64-unknown-freebsd.tar.gz/sha512/ee58667b19fdf7ec0218b4645b3f5bed2e9fc01cc29eab8473ee02aaa044f94a48eb220c6427200aaf56eacf52d0f72156712d17017cfecbc25d3c1b71a4bd2f
-LibUV.v2.0.1+15.x86_64-w64-mingw32.tar.gz/md5/d3b84729ee9d5a6e6a1e29357e25cced
-LibUV.v2.0.1+15.x86_64-w64-mingw32.tar.gz/sha512/43ca5999d8e8ff820722b1a548bd4e277e95c739c3363ed6159d080dd06842316f5370e8e4f4a886bf76010f4aed2bbf01f6091845b0e84b75f709277c561649
-libuv-afa1c67fa496eb49ade1e520f76fd018a1409eaa.tar.gz/md5/3863ccd5a51f85cf76679070c99be6cd
-libuv-afa1c67fa496eb49ade1e520f76fd018a1409eaa.tar.gz/sha512/bf4c705e05e730139b62de799331653eea2767898d654b8890ca2623db3adb9a1efcfcfab38af22e8ac44c67a9c5c018f1f7847a3703bee5f05657169a67d817
+libuv-afced9f5206b6de0002201cee9012028ea468d2f.tar.gz/md5/0ea602aaca3a5a88b3991a52bbea8521
+libuv-afced9f5206b6de0002201cee9012028ea468d2f.tar.gz/sha512/5147597b8cee7066c098f74010a36dc57757e60aa742134cf2313042f020ac9e3395c2d799d4ccc3623728d1685402a774b1c1a25041ad4580c01c32a0f49a21
diff --git a/deps/libuv.mk b/deps/libuv.mk
index eacabac55e34f..7665ceddcb34b 100644
--- a/deps/libuv.mk
+++ b/deps/libuv.mk
@@ -1,4 +1,5 @@
 ## LIBUV ##
+override USE_BINARYBUILDER_LIBUV=0
 ifneq ($(USE_BINARYBUILDER_LIBUV),1)
 LIBUV_GIT_URL:=https://github.com/JuliaLang/libuv.git
 LIBUV_TAR_URL=https://api.github.com/repos/JuliaLang/libuv/tarball/$1
diff --git a/deps/libuv.version b/deps/libuv.version
index 9ae54aa7be91a..bcd33f33e62e4 100644
--- a/deps/libuv.version
+++ b/deps/libuv.version
@@ -3,5 +3,5 @@ LIBUV_JLL_NAME := LibUV
 
 ## source build
 LIBUV_VER := 2
-LIBUV_BRANCH=julia-uv2-1.48.0
-LIBUV_SHA1=afa1c67fa496eb49ade1e520f76fd018a1409eaa
+LIBUV_BRANCH=ib/posix_rm_test
+LIBUV_SHA1=afced9f5206b6de0002201cee9012028ea468d2f
diff --git a/test/compiler/contextual.jl b/test/compiler/contextual.jl
index bbcf7b0dfb959..68233ebf775b9 100644
--- a/test/compiler/contextual.jl
+++ b/test/compiler/contextual.jl
@@ -198,7 +198,7 @@ finally
     try
         rm(depot_path, force=true, recursive=true)
     catch err
-        @show err
+        @warn "contextual tests failed to tidy up" err
     end
 end
 
diff --git a/test/loading.jl b/test/loading.jl
index 4a72a0f8060ad..43c8ac0295b60 100644
--- a/test/loading.jl
+++ b/test/loading.jl
@@ -756,7 +756,7 @@ for depot in depots
     try
         rm(depot, force=true, recursive=true)
     catch err
-        @show err
+        @warn "Error while cleaning up after tests" err
     end
 end
 
@@ -1147,7 +1147,7 @@ end
         try
             rm(depot_path, force=true, recursive=true)
         catch err
-            @show err
+            @warn "Extensions testset failed to tidy up" err
         end
     end
 end
diff --git a/test/precompile.jl b/test/precompile.jl
index a68d8936d1ed1..232b693d075de 100644
--- a/test/precompile.jl
+++ b/test/precompile.jl
@@ -32,13 +32,13 @@ function precompile_test_harness(@nospecialize(f), separate::Bool)
         try
             rm(load_path, force=true, recursive=true)
         catch err
-            @show err
+            @warn "precompile_test_harness failed to tidy up" err
         end
         if separate
             try
                 rm(load_cache_path, force=true, recursive=true)
             catch err
-                @show err
+                @warn "precompile_test_harness failed to tidy up" err
             end
         end
         filter!((≠)(load_path), LOAD_PATH)
@@ -1415,7 +1415,7 @@ end
         try
             rm(temp_path, recursive=true)
         catch err
-            @show err
+            @warn "precompile test failed to tidy up" err
         end
         pop!(test_workers) # remove myid
         rmprocs(test_workers)