chore(dependencies): Bumb minimum dependency versions that are required to build cargo

Author: klausi

.travis.yml

@@ -36,7 +36,9 @@ matrix:
         - cargo doc --no-deps
         - (cd src/doc && mdbook build --dest-dir ../../target/doc)
         # Make sure building cargo works with minimum dependency versions.
-        - ./target/debug/cargo update -Z minimal-versions
+        # Use a custom fork of the registry index for now because the main one
+        # is missing "links" entries.
+        - CARGO_REGISTRY_INDEX=https://github.com/klausi/crates.io-index cargo update -Z minimal-versions
         - cargo build
 
   exclude:

Cargo.toml

@@ -20,24 +20,24 @@ path = "src/cargo/lib.rs"
 atty = "0.2"
 crates-io = { path = "src/crates-io", version = "0.16" }
 crossbeam = "0.3"
-crypto-hash = "0.3"
-curl = "0.4.9"
-env_logger = "0.5"
+crypto-hash = ">=0.3.1, <0.4.0"
+curl = "0.4.12"
+env_logger = ">=0.5.4, <0.6.0"
 failure = "0.1.1"
 filetime = "0.2"
 flate2 = "1.0"
 fs2 = "0.4"
 git2 = "0.7.0"
-git2-curl = "0.8"
-glob = "0.2"
+git2-curl = ">=0.8.1, <0.9.0"
+glob = ">=0.2.11, <0.3.0"
 hex = "0.3"
 home = "0.3"
 ignore = "0.4"
 lazy_static = "1.0.0"
 jobserver = "0.1.9"
 lazycell = "0.6"
 libc = "0.2"
-libgit2-sys = "0.7"
+libgit2-sys = ">=0.7.1, <0.8.0"
 log = "0.4"
 num_cpus = "1.0"
 same-file = "1"
@@ -47,10 +47,10 @@ serde_derive = "1.0"
 serde_ignored = "0.0.4"
 serde_json = "1.0"
 shell-escape = "0.1"
-tar = { version = "0.4", default-features = false }
+tar = { version = ">=0.4.9, <0.5.0", default-features = false }
 tempfile = "3.0"
 termcolor = "0.3"
-toml = "0.4"
+toml = ">=0.4.2, <0.5.0"
 url = "1.1"
 clap = "2.31.2"