cargo update -p atty --aggressive

    Updating atty v0.2.11 -> v0.2.14
    Removing c2-chacha v0.2.3
    Updating cc v1.0.52 -> v1.0.54
    Updating ppv-lite86 v0.2.6 -> v0.2.8
    Updating rand_chacha v0.2.1 -> v0.2.2
    Removing redox_termios v0.1.1
    Removing termion v1.5.1

Cargo.lock

@@ -98,12 +98,12 @@ dependencies = [
 
 [[package]]
 name = "atty"
-version = "0.2.11"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
+ "hermit-abi",
  "libc",
- "termion",
  "winapi 0.3.8",
 ]
 
@@ -282,15 +282,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "716960a18f978640f25101b5cbf1c6f6b0d3192fab36a2d98ca96f0ecbe41010"
 
-[[package]]
-name = "c2-chacha"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "214238caa1bf3a496ec3392968969cab8549f96ff30652c9e56885329315f6bb"
-dependencies = [
- "ppv-lite86",
-]
-
 [[package]]
 name = "cargo"
 version = "0.46.0"
@@ -413,9 +404,9 @@ version = "0.1.0"
 
 [[package]]
 name = "cc"
-version = "1.0.52"
+version = "1.0.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d87b23d6a92cd03af510a5ade527033f6aa6fa92161e2d5863a907d4c5e31d"
+checksum = "7bbb73db36c1246e9034e307d0fba23f9a2e251faa47ade70c1bd252220c8311"
 dependencies = [
  "jobserver",
 ]
@@ -2624,9 +2615,9 @@ dependencies = [
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.6"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
 
 [[package]]
 name = "precomputed-hash"
@@ -2841,7 +2832,7 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.1",
+ "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc 0.2.0",
 ]
@@ -2858,11 +2849,11 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
+checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
- "c2-chacha",
+ "ppv-lite86",
  "rand_core 0.5.1",
 ]
 
@@ -3004,15 +2995,6 @@ version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
-[[package]]
-name = "redox_termios"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
-dependencies = [
- "redox_syscall",
-]
-
 [[package]]
 name = "redox_users"
 version = "0.3.0"
@@ -4983,17 +4965,6 @@ dependencies = [
  "wincolor",
 ]
 
-[[package]]
-name = "termion"
-version = "1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
-dependencies = [
- "libc",
- "redox_syscall",
- "redox_termios",
-]
-
 [[package]]
 name = "termize"
 version = "0.1.1"