Auto merge of #5033 - alexcrichton:update-deps, r=matklad

Update dependencies

Just a few major updates here and there

diff --cc Cargo.toml
index 2cf17e31cf5a47bc6629a823877e32e66633a2d3,237890cfc3182b000de21e70102f877084b4bd2b..877980ead367de7c18fe58773a9b54740fdcb3f8
--- 1/Cargo.toml
--- 2/Cargo.toml
+++ b/Cargo.toml
@@@ -33,9 -33,8 +33,9 @@@ git2-curl = "0.7
  glob = "0.2"
  hex = "0.3"
  home = "0.3"
- ignore = "0.3"
+ ignore = "0.4"
  jobserver = "0.1.9"
 +lazycell = "0.6"
  libc = "0.2"
  libgit2-sys = "0.6"
  log = "0.4"