add json serializer lib (prepare #18)

Cargo.lock

@@ -170,27 +170,6 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
-[[package]]
-name = "dirs-next"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b98cf8ebf19c3d1b223e151f99a4f9f0690dca41414773390fc824184ac833e1"
-dependencies = [
- "cfg-if 1.0.0",
- "dirs-sys-next",
-]
-
-[[package]]
-name = "dirs-sys-next"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
-dependencies = [
- "libc",
- "redox_users",
- "winapi",
-]
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.26"
@@ -221,16 +200,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
-[[package]]
-name = "fs2"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9564fc758e15025b46aa6643b1b77d047d1a56a1aea6e01002ac0c7026876213"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "funty"
 version = "1.1.0"
@@ -248,17 +217,6 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4060f4657be78b8e766215b02b18a2e862d83745545de804638e2b545e81aee6"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.17"
@@ -277,9 +235,8 @@ dependencies = [
  "lettre",
  "mailparse",
  "native-tls",
- "rfc2047-decoder",
- "rustyline",
  "serde",
+ "serde_json",
  "terminal_size",
  "toml",
 ]
@@ -512,18 +469,6 @@ dependencies = [
  "tempfile",
 ]
 
-[[package]]
-name = "nix"
-version = "0.19.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
-dependencies = [
- "bitflags",
- "cc",
- "cfg-if 1.0.0",
- "libc",
-]
-
 [[package]]
 name = "nom"
 version = "5.1.2"
@@ -624,7 +569,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.1.57",
+ "redox_syscall",
  "smallvec",
  "winapi",
 ]
@@ -694,7 +639,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom 0.1.15",
+ "getrandom",
  "libc",
  "rand_chacha",
  "rand_core",
@@ -717,7 +662,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom 0.1.15",
+ "getrandom",
 ]
 
 [[package]]
@@ -735,25 +680,6 @@ version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
-[[package]]
-name = "redox_syscall"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
-dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "redox_users"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "528532f3d801c87aec9def2add9ca802fe569e44a544afe633765267840abe64"
-dependencies = [
- "getrandom 0.2.1",
- "redox_syscall 0.2.4",
-]
-
 [[package]]
 name = "regex"
 version = "1.4.2"
@@ -781,38 +707,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "rfc2047-decoder"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87ecf2ba387f446155e26796aabb727e9ae1427dd13ac9cc21773a3fbda19d77"
-dependencies = [
- "base64 0.13.0",
- "charset",
- "quoted_printable",
-]
-
-[[package]]
-name = "rustyline"
-version = "7.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8227301bfc717136f0ecbd3d064ba8199e44497a0bdd46bb01ede4387cfd2cec"
-dependencies = [
- "bitflags",
- "cfg-if 1.0.0",
- "dirs-next",
- "fs2",
- "libc",
- "log",
- "memchr",
- "nix",
- "scopeguard",
- "unicode-segmentation",
- "unicode-width",
- "utf8parse",
- "winapi",
-]
-
 [[package]]
 name = "ryu"
 version = "1.0.5"
@@ -942,7 +836,7 @@ dependencies = [
  "cfg-if 0.1.10",
  "libc",
  "rand",
- "redox_syscall 0.1.57",
+ "redox_syscall",
  "remove_dir_all",
  "winapi",
 ]
@@ -1037,12 +931,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
-
 [[package]]
 name = "unicode-width"
 version = "0.1.8"
@@ -1055,12 +943,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
-[[package]]
-name = "utf8parse"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
-
 [[package]]
 name = "uuid"
 version = "0.8.1"