Cross compile for ARM7

[hanusek]

Hello.
I have a problem building a project for arm7.

mhanusek@EtHanusek:~/work/sysinfo$ rustup show
Default host: x86_64-unknown-linux-gnu
rustup home: /home/mhanusek/.rustup

installed toolchains

stable-x86_64-unknown-linux-gnu
beta-x86_64-unknown-linux-gnu
nightly-x86_64-unknown-linux-gnu (default)

installed targets for active toolchain

armv7-unknown-linux-gnueabihf
x86_64-unknown-linux-gnu

active toolchain

nightly-x86_64-unknown-linux-gnu (default)
rustc 1.40.0-nightly (4a8c5b20c 2019-10-23)

mhanusek@EtHanusek:~/work/sysinfo$ cargo build --release --target=armv7-unknown-linux-gnueabihf
   Compiling autocfg v0.1.7
   Compiling semver-parser v0.7.0
   Compiling cfg-if v0.1.10
   Compiling lazy_static v1.4.0
   Compiling libc v0.2.66
   Compiling scopeguard v1.0.0
   Compiling rayon-core v1.7.0
   Compiling doc-comment v0.3.1
   Compiling sysinfo v0.10.5 (/home/mhanusek/work/sysinfo)
   Compiling either v1.5.3
   Compiling once_cell v1.3.1
   Compiling semver v0.9.0
   Compiling rustc_version v0.2.3
   Compiling crossbeam-utils v0.7.0
   Compiling crossbeam-epoch v0.8.0
   Compiling num_cpus v1.12.0
   Compiling crossbeam-queue v0.2.1
   Compiling memoffset v0.5.3
   Compiling crossbeam-deque v0.7.2
   Compiling rayon v1.3.0
error: linking with `cc` failed: exit code: 1
  |
  = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-L" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.1.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.10.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.11.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.12.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.13.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.14.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.15.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.2.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.3.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.4.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.5.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.6.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.7.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.8.rcgu.o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.9.rcgu.o" "-o" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libsysinfo.so" "-Wl,--version-script=/tmp/rustcSvyh5M/list" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.1kkkettg43cpdvrb.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-Wl,-O1" "-nodefaultlibs" "-L" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps" "-L" "/home/mhanusek/work/sysinfo/target/release/deps" "-L" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib" "-Wl,-Bstatic" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libonce_cell-35a5a576e041caac.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libdoc_comment-d571fa2b1e2b4535.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/librayon-727a1f9630cea023.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/librayon_core-0ccdd0bcc2741905.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libnum_cpus-a14098affa92e862.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcrossbeam_queue-4eb84bc4736d7372.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcrossbeam_deque-4fdb760bfb2c8edf.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcrossbeam_epoch-1c8e84649e42453b.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libscopeguard-298db41e2738a7f5.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libmemoffset-0670d85e72625828.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcrossbeam_utils-99dbce9ca959d696.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/liblazy_static-02604924c7f733a9.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libeither-664b4f2e26c66c04.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/liblibc-ea766e805c789a10.rlib" "/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcfg_if-93393bf1c1d7134d.rlib" "-Wl,--start-group" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libstd-9fa8b8e524fa3035.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libpanic_unwind-2ad645132529d082.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libhashbrown-7207a4317bb3ab14.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/librustc_std_workspace_alloc-6fe9b07b2c70e204.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libbacktrace-7efb34a3d588964b.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libbacktrace_sys-5905a93fd7794ae6.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/librustc_demangle-a9177b2672bea7c4.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libunwind-4ae3cb7e0cb28ffa.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libcfg_if-1cdd03c97b9ea57b.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/liblibc-7089fda0b7a709e3.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/liballoc-65fd6c40b19ec6c5.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/librustc_std_workspace_core-f12a463d12db330c.rlib" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libcore-2fc739edcf05854b.rlib" "-Wl,--end-group" "/home/mhanusek/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/armv7-unknown-linux-gnueabihf/lib/libcompiler_builtins-26ff24c64ab72ff3.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
  = note: /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /usr/bin/ld: /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: Relocations in generic ELF (EM: 40)
          /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/sysinfo.sysinfo.1ok11cxq-cgu.0.rcgu.o: error adding symbols: Niewłaściwy format pliku
          collect2: error: ld returned 1 exit status
          

error: aborting due to previous error

error: could not compile `sysinfo`.

Caused by:
  process didn't exit successfully: `rustc --crate-name sysinfo src/sysinfo.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type rlib --crate-type cdylib --emit=dep-info,link -C opt-level=3 -C metadata=bc3d4129d0434515 --out-dir /home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps --target armv7-unknown-linux-gnueabihf -L dependency=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps -L dependency=/home/mhanusek/work/sysinfo/target/release/deps --extern cfg_if=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libcfg_if-93393bf1c1d7134d.rlib --extern doc_comment=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libdoc_comment-d571fa2b1e2b4535.rlib --extern libc=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/liblibc-ea766e805c789a10.rlib --extern once_cell=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/libonce_cell-35a5a576e041caac.rlib --extern rayon=/home/mhanusek/work/sysinfo/target/armv7-unknown-linux-gnueabihf/release/deps/librayon-727a1f9630cea023.rlib` (exit code: 1)

[GuillaumeGomez]

I have absolutely no clue what's going on in there... Maybe try your luck on rustc directly?

[momobel]

This is related to issues rust-lang/rust#28924 and rust-lang/cargo#4133.

The appropriate toolchain armv7-unknown-linux-gnueabihf needs to be installed and cargo configured to use the corresponding gcc as a linker.

cat ~/.cargo/config
[target.armv7-unknown-linux-gnueabihf]
linker = "arm-linux-gnueabihf-gcc"

[GuillaumeGomez]

Thanks @momobel for the information! Might be interesting to add this information into the README I think. If any of you is interesting in doing so?

[GuillaumeGomez]

Fixed by #260.