diff -up libraries/source/spidermonkey/0ad-rust.patch.orig libraries/source/spidermonkey/0ad-rust.patch
--- libraries/source/spidermonkey/0ad-rust.patch.orig	2021-02-25 17:18:50.534180370 -0300
+++ libraries/source/spidermonkey/0ad-rust.patch	2021-02-25 17:17:58.248823782 -0300
@@ -0,0 +1,14 @@
+diff -up libraries/source/spidermonkey/mozjs-78.6.0/Cargo.toml.orig libraries/source/spidermonkey/mozjs-78.6.0/Cargo.toml
+--- libraries/source/spidermonkey/mozjs-78.6.0/Cargo.toml.orig	2021-02-25 17:03:45.572062707 -0300
++++ libraries/source/spidermonkey/mozjs-78.6.0/Cargo.toml	2021-02-25 17:04:19.858254901 -0300
+@@ -60,8 +60,8 @@ panic = "abort"
+ [patch.crates-io]
+ packed_simd = { git = "https://github.com/hsivonen/packed_simd", rev="3541e3818fdc7c2a24f87e3459151a4ce955a67a" }
+ rlbox_lucet_sandbox = { git = "https://github.com/PLSysSec/rlbox_lucet_sandbox/", rev="d510da5999a744c563b0acd18056069d1698273f" }
+-nix = { git = "https://github.com/shravanrn/nix/", branch = "r0.13.1", rev="4af6c367603869a30fddb5ffb0aba2b9477ba92e" }
+-spirv_cross = { git = "https://github.com/kvark/spirv_cross", branch = "wgpu3", rev = "20191ad2f370afd6d247edcb9ff9da32d3bedb9c" }
++nix = { git = "https://github.com/shravanrn/nix/", branch = "r0.13.1" }
++spirv_cross = { git = "https://github.com/kvark/spirv_cross", branch = "wgpu3" }
+ # failure's backtrace feature might break our builds, see bug 1608157.
+ failure = { git = "https://github.com/badboy/failure", rev = "64af847bc5fdcb6d2438bec8a6030812a80519a5" }
+ failure_derive = { git = "https://github.com/badboy/failure", rev = "64af847bc5fdcb6d2438bec8a6030812a80519a5" }
diff -up libraries/source/spidermonkey/patch.sh.orig libraries/source/spidermonkey/patch.sh
--- libraries/source/spidermonkey/patch.sh.orig	2021-02-25 17:18:42.290124146 -0300
+++ libraries/source/spidermonkey/patch.sh	2021-02-25 17:19:56.569630737 -0300
@@ -49,3 +49,6 @@ then
     # https://svnweb.freebsd.org/ports/head/lang/spidermonkey78/files/patch-third__party_rust_cc_src_lib.rs?view=log
     patch -p1 < ../FixFreeBSDRustThirdPartyOSDetection.diff
 fi
+
+# Correct build for newer rust
+patch -p4 < ../0ad-rust.patch