RLS doesn't release handles on Windows preventing to build projects from VSCode

[shmutalov]

rust-lang/vscode-rust#294

C:\Users\Sherzod Mutalov>rls --version
rls-preview 0.126.0-nightly (f5a0c91 2018-03-26)

VSCode Insiders version 1.22.0-insider x64

Log:

> Executing task: cargo check <

   Compiling winapi-x86_64-pc-windows-gnu v0.4.0
   Compiling bitflags v1.0.1
   Compiling cfg-if v0.1.2
   Compiling winapi v0.3.4
   Compiling nodrop v0.1.12
   Compiling khronos_api v2.1.0
   Compiling lazy_static v1.0.0
   Compiling scopeguard v0.3.3
   Compiling memoffset v0.2.1
   Compiling num-traits v0.2.2
   Compiling unicode-xid v0.0.4
   Compiling cc v1.0.9
   Compiling libc v0.2.40
   Compiling rayon-core v1.4.0
   Compiling unicode-xid v0.1.0
   Compiling quote v0.3.15
   Compiling winapi-build v0.1.1
   Compiling either v1.5.0
   Compiling typenum v1.10.0
   Compiling matrixmultiply v0.1.14
   Compiling byteorder v1.2.1
   Compiling adler32 v1.0.2
   Compiling winapi v0.2.8
   Compiling void v1.0.2
   Compiling rustc-serialize v0.3.24
   Compiling bitflags v0.7.0
   Compiling rawpointer v0.1.0
   Compiling approx v0.1.1
   Compiling lzw v0.10.0
   Compiling lazy_static v0.2.11
   Compiling odds v0.2.26
   Compiling atom v0.3.4
   Compiling color_quant v1.0.0
   Compiling claxon v0.3.1
   Compiling serde v1.0.36
   Compiling mopa v0.2.2
   Compiling scoped_threadpool v0.1.9
   Compiling hound v1.1.0
   Compiling smallvec v0.4.4
   Compiling fnv v1.0.6
   Compiling podio v0.1.6
   Compiling rand_core v0.1.0-pre.0
   Compiling base64 v0.1.1
   Compiling tuple_utils v0.2.0
   Compiling crossbeam v0.3.2
   Compiling json v0.11.13
   Compiling xml-rs v0.7.0
   Compiling crossbeam-utils v0.2.2
   Compiling log v0.4.1
   Compiling sdl2-sys v0.31.0
   Compiling arrayvec v0.4.7
   Compiling synom v0.11.3
   Compiling num-traits v0.1.43
   Compiling num-integer v0.1.36
   Compiling num_cpus v1.8.0
   Compiling proc-macro2 v0.2.3
   Compiling bzip2-sys v0.1.6
   Compiling miniz-sys v0.1.10
   Compiling syn v0.10.8
   Compiling kernel32-sys v0.2.2
   Compiling ole32-sys v0.2.0
   Compiling shell32-sys v0.1.2
   Compiling itertools v0.5.10
   Compiling draw_state v0.8.0
   Compiling ogg v0.4.1
   Compiling stb_truetype v0.2.2
   Compiling deflate v0.7.18
   Compiling inflate v0.3.4
   Compiling unreachable v0.1.1
   Compiling xml-rs v0.3.6
   Compiling num-complex v0.1.43
   Compiling arrayvec v0.3.25
   Compiling gif v0.9.2
   Compiling toml v0.4.5
   Compiling gl_generator v0.9.0
   Compiling crossbeam-epoch v0.3.1
   Compiling syn v0.11.11
   Compiling euclid v0.17.2
   Compiling sid v0.5.0
   Compiling enum_primitive v0.1.1
   Compiling num-iter v0.1.35
   Compiling num-rational v0.1.42
   Compiling quote v0.4.2
   Compiling lewton v0.5.2
   Compiling derivative v1.0.0
   Compiling ordered-float v0.5.0
   Compiling alga v0.5.3
   Compiling crossbeam-deque v0.2.0
error: linking with `gcc` failed: exit code: 1
  |
  = note: "gcc" "-Wl,--enable-long-section-names" "-fno-use-linker-plugin" "-Wl,--nxcompat" "-nostdlib" "-m64" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib\\dllcrt2.o" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib\\rsbegin.o" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative0.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative1.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative10.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative11.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative12.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative13.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative14.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative15.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative2.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative3.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative4.rcgu.o"
"D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative5.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative6.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative7.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative8.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.derivative9.rcgu.o" "-o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.dll" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.crate.metadata.rcgu.o" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\derivative-ea9275d8bb513025.crate.allocator.rcgu.o" "-Wl,--gc-sections" "-nodefaultlibs" "-L" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-Wl,-Bstatic" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\libsyn-b845d71df1e95e36.rlib" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\libunicode_xid-a33b39bcb88f3bd1.rlib" "D:\\Projects\\git\\rust\\game\\verge-online\\target\\debug\\deps\\libquote-e82818afeda6c03a.rlib" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-Wl,-Bdynamic" "-l" "proc_macro-fc94ec1ca95a1c85" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "syntax-fdac9bc343d97736" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "rustc_errors-ccafe7558e7d3317" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "syntax_pos-adb0654e0d9b5083" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "rustc_data_structures-16b08039449bfbcd" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "serialize-3beb02ee06c59935" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "rustc_cratesio_shim-e3a33faea27ba6f4" "-L" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib" "-l" "std-dae351646357f675" "-Wl,-Bstatic" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib\\libcompiler_builtins-03d9b8dfeb87e319.rlib" "-Wl,-Bdynamic" "-l" "credui" "-l" "user32" "-l" "synchronization" "-l" "gdi32" "-l" "kernel32" "-l" "setupapi" "-l" "msimg32" "-l" "winspool" "-l" "advapi32" "-l" "opengl32" "-l" "secur32" "-l" "dbghelp" "-l" "advapi32" "-l" "ws2_32" "-l" "userenv" "-l" "shell32" "-shared" "-lmingwex" "-lmingw32" "-lgcc" "-lmsvcrt" "-lmsvcrt" "-luser32" "-lkernel32" "C:\\Users\\Sherzod Mutalov\\.rustup\\toolchains\\nightly-x86_64-pc-windows-gnu\\lib\\rustlib\\x86_64-pc-windows-gnu\\lib\\rsend.o"
  = note: ld: cannot open output file D:\Projects\git\rust\game\verge-online\target\debug\deps\derivative-ea9275d8bb513025.dll: Permission denied


error: aborting due to previous error

error: Could not compile `derivative`.
warning: build failed, waiting for other jobs to finish...
error: build failed

[Xanewok]

dup of #802 I believe, should be fixed in tomorrow's nightlies!