unknown codegen option: embed-bitcode

[judemoses]

sudo cargo xbuild --release --target armv5te-unknown-linux-gnueabi
error: failed to run rustc to learn about target-specific information

Caused by:
process didn't exit successfully: rustc - --crate-name ___ --print=file-names -Cembed-bitcode=yes --target armv5te-unknown-linux-gnueabi --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro (exit code: 1)
--- stderr
error: unknown codegen option: embed-bitcode

error: "/Users/zhangchi/.rustup/toolchains/nightly-2019-02-04-x86_64-apple-darwin/bin/cargo" "rustc" "-p" "alloc" "--release" "--manifest-path" "/tmp/cargo-xbuildlFHoV7/Cargo.toml" "--target" "armv5te-unknown-linux-gnueabi" "--" "-Z" "force-unstable-if-unmarked" failed with exit code: Some(101)
note: run with RUST_BACKTRACE=1 for a backtrace