1rust-std-x86_64-apple-darwin 2rust-std-aarch64-apple-darwin 3rust-std-aarch64-unknown-none 4rust-std-armv7a-none-eabi 5rust-std-riscv32i-unknown-none-elf 6rust-std-riscv32imc-unknown-none-elf 7rust-std-x86_64-unknown-uefi 8rust-std-i686-unknown-uefi 9rust-std-aarch64-unknown-uefi 10rust-std-aarch64-linux-android 11rust-std-armv7-linux-androideabi 12rust-std-x86_64-linux-android 13rust-std-i686-linux-android 14rust-std-riscv64-linux-android 15rustc 16cargo 17rust-analyzer-preview 18rustfmt-preview 19clippy-preview 20