rust/rust-toolchain

[toolchain]
channel = "nightly-2021-05-26"
components = ["rust-src", "rustc-dev", "llvm-tools-preview"]
Merge commit '0969bc6dde001e01e7e1f58c8ccd7750f8a49ae1' into sync_cg_clif-2021-03-29 2021-03-29 10:45:09 +02:00			`[toolchain]`
Merge commit '40dd3e2b7089b5e96714e064b731f6dbf17c61a9' into sync_cg_clif-2021-05-27 2021-05-27 13:08:14 +02:00			`channel = "nightly-2021-05-26"`
Merge commit '0969bc6dde001e01e7e1f58c8ccd7750f8a49ae1' into sync_cg_clif-2021-03-29 2021-03-29 10:45:09 +02:00			`components = ["rust-src", "rustc-dev", "llvm-tools-preview"]`