[INFO] updating cached repository https://github.com/Yamakaky/rvpn
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5baa44e978b4acfa65280faab552f488221f88cb
[INFO] testing Yamakaky/rvpn against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FYamakaky%2Frvpn" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yamakaky/rvpn on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Yamakaky/rvpn
[INFO] finished tweaking git repo https://github.com/Yamakaky/rvpn
[INFO] tweaked toml for git repo https://github.com/Yamakaky/rvpn written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Yamakaky/rvpn already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8c5eb0e716ad162e464324e6afd87bfbfa85db49c316406a221e4ca9b3039afe
[INFO] running `"docker" "start" "-a" "8c5eb0e716ad162e464324e6afd87bfbfa85db49c316406a221e4ca9b3039afe"`
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling futures v0.1.6
[INFO] [stderr]    Compiling ioctl v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling error-chain v0.7.1
[INFO] [stderr]    Compiling mio v0.6.1
[INFO] [stderr]    Compiling tokio-core v0.1.1
[INFO] [stderr]    Compiling tun v0.1.0 (git://github.com/Yamakaky/tun-rs.git#44eca9ce)
[INFO] [stderr]    Compiling rvpn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `tokio_core::io::Io`
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio_core::io::Io;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_core::reactor`
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio_core::reactor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain! {
[INFO] [stderr] 13 | |     links {
[INFO] [stderr] 14 | |         Tun(tun::Error, tun::ErrorKind);
[INFO] [stderr] 15 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Stream`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use futures::Stream;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.server.2oq4ttun-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4" "/opt/rustwide/target/debug/deps/server-c89ab367ffeff8c4.4ypd0e7gnzzisydc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librvpn-5d529712b84cd99c.rlib" "/opt/rustwide/target/debug/deps/libtun-77974ca6e861dc77.rlib" "/opt/rustwide/target/debug/deps/libioctl-68a805b864e9c085.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8e02dfeceb8e06ce.rlib" "/opt/rustwide/target/debug/deps/libtokio_core-2e782c62b870050f.rlib" "/opt/rustwide/target/debug/deps/libscoped_tls-e58203ae4b791eb0.rlib" "/opt/rustwide/target/debug/deps/libmio-2ca705ccdd3db7e7.rlib" "/opt/rustwide/target/debug/deps/libnix-0c38c31ffcb75fe9.rlib" "/opt/rustwide/target/debug/deps/libvoid-4c8c16f792843a81.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7686b72d6c34e546.rlib" "/opt/rustwide/target/debug/deps/libslab-85363078315596ee.rlib" "/opt/rustwide/target/debug/deps/libnet2-aa76d2ab98f3a5ff.rlib" "/opt/rustwide/target/debug/deps/liblazycell-40da4026b537598f.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-3e24a25184b20b7c.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-4b04a3804c36996a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-b97a5b6eb4cbb20d.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-a8cef9ab9c76a81d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ee9c646034ef66ea.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-23e20d380365d074.rlib" "/opt/rustwide/target/debug/deps/libwinapi-bb617a79d74be5b6.rlib" "/opt/rustwide/target/debug/deps/libkernel32-1679ae7f1d789e35.rlib" "/opt/rustwide/target/debug/deps/liblibc-c5682d6d4fc9bab6.rlib" "/opt/rustwide/target/debug/deps/libfutures-fcff4be06331a3f1.rlib" "/opt/rustwide/target/debug/deps/liblog-6f9e0f7c5ccac4ac.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/libbacktrace-4b04a3804c36996a.rlib(backtrace-4b04a3804c36996a.backtrace.bdlrj57q-cgu.6.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libbacktrace-4b04a3804c36996a.rlib(backtrace-4b04a3804c36996a.backtrace.bdlrj57q-cgu.6.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rvpn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8c5eb0e716ad162e464324e6afd87bfbfa85db49c316406a221e4ca9b3039afe"`
[INFO] running `"docker" "rm" "-f" "8c5eb0e716ad162e464324e6afd87bfbfa85db49c316406a221e4ca9b3039afe"`
[INFO] [stdout] 8c5eb0e716ad162e464324e6afd87bfbfa85db49c316406a221e4ca9b3039afe