Specified some crate versions to solve compile error on newer toolchains

Cargo.toml

@@ -43,9 +43,9 @@ rodal = { git = "https://gitlab.anu.edu.au/mu/rodal", branch = "new", version =
 libc="*"
 field-offset = "*"
 libloading = "*"
-lazy_static = "*"
-log = "*"
-stderrlog = "*"
+lazy_static = "0.2.11"
+log = "0.3.8"
+stderrlog = "0.2.3"
 num = "*"
 hprof = "*"
 memmap = "*"
@@ -54,7 +54,7 @@ serde = "*"
 serde_derive = "*"
 time = "*"
 maplit = "*"
-docopt = "*"
+docopt = "0.8.1"
 petgraph = "*"
 extprim = "*"
 num-traits = "*"

src/ast/Cargo.toml

@@ -22,9 +22,9 @@ crate-type = ["rlib"]
 
 [dependencies]
 mu_utils = {path = "../utils"}
-lazy_static = "*"
+lazy_static = "0.2.11"
 log = "*"
 simple_logger = "*"
-regex = "*"
+regex = "0.2.2"
 rodal = { git = "https://gitlab.anu.edu.au/mu/rodal", branch = "new", version = "^0.1.13" }
 #rodal = { path = "../../rodal", version = "*" }

src/gc/Cargo.toml

@@ -32,11 +32,11 @@ gcc = "*"
 [dependencies]
 mu_utils = {path = "../utils"}
 time = "*"
-lazy_static = "*"
+lazy_static = "0.2.11"
 log = "*"
 stderrlog = "*"
 aligned_alloc = "*"
-crossbeam = "*"
+crossbeam = "0.3.0"
 field-offset = "*"
 rodal = { git = "https://gitlab.anu.edu.au/mu/rodal", branch = "new", version = "^0.1.13" }
 #rodal = { path = "../../rodal", version = "*" }

src/gc/src/objectmodel/sidemap/global_type_table.rs

@@ -26,7 +26,7 @@ use objectmodel::sidemap::object_encode::SMALL_ID_WIDTH;
 
 /// represents a chunk of memory as global type table, which contains some metadata for the
 /// type table and all the type encoding entries.
-#[repr(C, packed)]
+#[repr(C)]
 pub struct GlobalTypeTable {
     /// current index for small entries
     small_entry_i: usize,