grommish@norwits:~/openwrt$ make -j1 V=sc package/feeds/packages/rustlang/host/{clean,configure,compile,installdev}
Collecting package info: done
make[2]: Entering directory '/home/grommish/openwrt/scripts/config'
make[2]: 'conf' is up to date.
make[2]: Leaving directory '/home/grommish/openwrt/scripts/config'
make[1]: Entering directory '/home/grommish/openwrt'
make[2]: Entering directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
Makefile:71: WARNING: skipping rustc -- package has no install section
rm -rf /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2 /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/.built
rm -rf /home/grommish/openwrt/staging_dir/hostpkg/stamp/.rustc_installed
make[2]: Leaving directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
time: package/feeds/packages/rustlang/host-clean#0.38#2.03#2.39
make[1]: Leaving directory '/home/grommish/openwrt'
make[2]: Entering directory '/home/grommish/openwrt/scripts/config'
make[2]: 'conf' is up to date.
make[2]: Leaving directory '/home/grommish/openwrt/scripts/config'
make[1]: Entering directory '/home/grommish/openwrt'
make[2]: Entering directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
Makefile:71: WARNING: skipping rustc -- package has no install section
. /home/grommish/openwrt/include/shell.sh; xzcat /home/grommish/openwrt/dl/rustc-1.45.2.tar.xz | tar -C /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/.. -xf -
[ ! -d ./src/ ] || cp -fpR ./src/* /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2
touch /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/.prepared7b23c2652cb2c7bf479193030303d902_6664517399ebbbc92a37c5bb081b5c53
(cd /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/; if [ -x configure ]; then cp -fpR /home/grommish/openwrt/scripts/config.{guess,sub} /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2// && CC="ccache gcc" CFLAGS="-O2 -I/home/grommish/openwrt/staging_dir/host/include -I/home/grommish/openwrt/staging_dir/hostpkg/include -I/home/grommish/openwrt/staging_dir/target-mips64_octeonplus_64_musl/host/include" CXX="ccache g++" CPPFLAGS="-I/home/grommish/openwrt/staging_dir/host/include -I/home/grommish/openwrt/staging_dir/hostpkg/include -I/home/grommish/openwrt/staging_dir/target-mips64_octeonplus_64_musl/host/include" LDFLAGS="-L/home/grommish/openwrt/staging_dir/host/lib -L/home/grommish/openwrt/staging_dir/hostpkg/lib -L/home/grommish/openwrt/staging_dir/target-mips64_octeonplus_64_musl/host/lib" CONFIG_SHELL="/usr/bin/env bash"  bash ./configure --prefix=/home/grommish/openwrt/build_dir/hostpkg/.cargo --host=x86_64-pc-linux-gnu --target=mips64-unknown-linux-muslabi64 --enable-debug --enable-parallel-compiler --enable-ccache --python=/home/grommish/openwrt/staging_dir/host/bin/python --musl-root=/home/grommish/openwrt/staging_dir/toolchain-mips64_octeonplus_64_gcc-10.1.0_musl --musl-root-mips64=/home/grommish/openwrt/staging_dir/toolchain-mips64_octeonplus_64_gcc-10.1.0_musl ; fi )
configure: processing command line
configure:
configure: install.prefix       := /home/grommish/openwrt/build_dir/hostpkg/.carg ...
configure: build.host           := ['x86_64-pc-linux-gnu']
configure: build.target         := ['mips64-unknown-linux-muslabi64']
configure: rust.debug           := True
configure: rust.parallel-compiler := True
configure: llvm.ccache          := True
configure: build.python         := /home/grommish/openwrt/staging_dir/host/bin/py ...
configure: target.x86_64-unknown-linux-musl.musl-root := /home/grommish/openwrt/s ...
configure: target.mips64-unknown-linux-muslabi64.musl-root := /home/grommish/open ...
configure: build.configure-args := ['--prefix=/home/grommish/openwrt/build_dir/ho ...
configure:
configure: writing `config.toml` in current directory
configure:
configure: run `python /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/x.py --help`
configure:
touch /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/.configured
make[2]: Leaving directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
time: package/feeds/packages/rustlang/host-configure#8.67#3.89#9.09
make[1]: Leaving directory '/home/grommish/openwrt'
make[2]: Entering directory '/home/grommish/openwrt/scripts/config'
make[2]: 'conf' is up to date.
make[2]: Leaving directory '/home/grommish/openwrt/scripts/config'
make[1]: Entering directory '/home/grommish/openwrt'
make[2]: Entering directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
Makefile:71: WARNING: skipping rustc -- package has no install section
RUST_BACKTRACE=full /home/grommish/openwrt/staging_dir/host/bin/python /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/x.py build
    Finished dev [unoptimized] target(s) in 0.15s
thread 'main' panicked at 'when targeting MUSL either the rust.musl-root option or the target.$TARGET.musl-root option must be specified in config.toml', src/bootstrap/sanity.rs:208:25
stack backtrace:
   0:     0x55a2ac50b634 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
   1:     0x55a2ac50b634 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056
                               at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
   2:     0x55a2ac50b634 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8
                               at src/libstd/sys_common/backtrace.rs:78
   3:     0x55a2ac50b634 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h41a0a93ab85e6aa1
                               at src/libstd/sys_common/backtrace.rs:59
   4:     0x55a2ac53abdc - core::fmt::write::hdaea18585065a96d
                               at src/libcore/fmt/mod.rs:1069
   5:     0x55a2ac5067e3 - std::io::Write::write_fmt::h0cea70c809005252
                               at src/libstd/io/mod.rs:1504
   6:     0x55a2ac50fa85 - std::sys_common::backtrace::_print::hd95f9978cc145ca4
                               at src/libstd/sys_common/backtrace.rs:62
   7:     0x55a2ac50fa85 - std::sys_common::backtrace::print::hfb25ca2291be47d0
                               at src/libstd/sys_common/backtrace.rs:49
   8:     0x55a2ac50fa85 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c
                               at src/libstd/panicking.rs:198
   9:     0x55a2ac50f7c2 - std::panicking::default_hook::h198e1a712910f1e6
                               at src/libstd/panicking.rs:218
  10:     0x55a2ac5100e2 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d
                               at src/libstd/panicking.rs:511
  11:     0x55a2ac49e221 - std::panicking::begin_panic::hfffc89cbd32212c7
                               at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438
  12:     0x55a2aba9350c - bootstrap::sanity::check::h909beab6759b4abe
                               at src/bootstrap/sanity.rs:208
  13:     0x55a2ab9ec2d9 - bootstrap::Build::new::h6b203cef903c556a
                               at src/bootstrap/lib.rs:416
  14:     0x55a2ab9ea2b1 - bootstrap::main::h8fed74451cb4ba45
                               at src/bootstrap/bin/main.rs:15
  15:     0x55a2ab9e966b - std::rt::lang_start::{{closure}}::h0147583abb7decae
                               at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
  16:     0x55a2ac510528 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b
                               at src/libstd/rt.rs:52
  17:     0x55a2ac510528 - std::panicking::try::do_call::h6d214a73427d759b
                               at src/libstd/panicking.rs:331
  18:     0x55a2ac510528 - std::panicking::try::hc078f0e11721d1cb
                               at src/libstd/panicking.rs:274
  19:     0x55a2ac510528 - std::panic::catch_unwind::hb31c05be30625612
                               at src/libstd/panic.rs:394
  20:     0x55a2ac510528 - std::rt::lang_start_internal::hcf7fb98a775d5af0
                               at src/libstd/rt.rs:51
  21:     0x55a2ab9e9647 - std::rt::lang_start::h3fd62ffa0d4d2d7a
                               at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67
  22:     0x55a2ab9ea35a - main
  23:     0x7fdd003570b3 - __libc_start_main
  24:     0x55a2ab9e91be - _start
  25:                0x0 - <unknown>
failed to run: /home/grommish/openwrt/feeds/packages/lang/rustlang/build/bootstrap/debug/bootstrap build
Build completed unsuccessfully in 0:00:00
make[2]: *** [Makefile:71: /home/grommish/openwrt/build_dir/hostpkg/rustc-1.45.2/.built] Error 1
make[2]: Leaving directory '/home/grommish/openwrt/feeds/packages/lang/rustlang'
time: package/feeds/packages/rustlang/host-compile#0.53#0.14#0.66
make[1]: *** [package/Makefile:111: package/feeds/packages/rustlang/host/compile] Error 2
make[1]: Leaving directory '/home/grommish/openwrt'
make: *** [/home/grommish/openwrt/include/toplevel.mk:235: package/feeds/packages/rustlang/host/compile] Error 2