[INFO] updating cached repository suhr/ws-tox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/suhr/ws-tox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/ws-tox" "work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/ws-tox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/ws-tox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/suhr/ws-tox" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/ws-tox"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/ws-tox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] sha for GitHub repo suhr/ws-tox: ff1b0b47a0086e8bb4c8bfc269384cf552d12b82
[INFO] validating manifest of suhr/ws-tox on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of suhr/ws-tox on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing suhr/ws-tox
[INFO] finished frobbing suhr/ws-tox
[INFO] frobbed toml for suhr/ws-tox written to work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/ws-tox/Cargo.toml
[INFO] started frobbing suhr/ws-tox
[INFO] finished frobbing suhr/ws-tox
[INFO] frobbed toml for suhr/ws-tox written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/suhr/ws-tox/Cargo.toml
[INFO] crate suhr/ws-tox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing suhr/ws-tox against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/suhr/ws-tox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9daf17435fe9f5d17d477354c1215e3d87b546bab0084ee598e7e5e978ac97cb
[INFO] running `"docker" "start" "-a" "9daf17435fe9f5d17d477354c1215e3d87b546bab0084ee598e7e5e978ac97cb"`
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rstox v0.0.1 (https://github.com/tox-rs/rstox.git#1793619c)
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling base64-serde v0.3.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling ws-tox-protocol v0.1.0 (https://github.com/tox-rs/ws-tox-protocol.git#402ee277)
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling websocket v0.22.4
[INFO] [stderr]    Compiling ws-tox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Friend` is imported redundantly
[INFO] [stderr]    --> src/tox.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 7   | use crate::protocol::*;
[INFO] [stderr]     |     ------------------ the item `Friend` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 113 |     use ws_tox_protocol::Friend;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/tox.rs:571:9
[INFO] [stderr]     |
[INFO] [stderr] 571 |         _ => drop(dbg!(request)),
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[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/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.ws_tox.emf1yb6m-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e" "/opt/crater/target/debug/deps/ws_tox-acfcaa6acd2ce79e.11koz99o5ph2h7sj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libserde_json-576a5dc661d430c2.rlib" "/opt/crater/target/debug/deps/libryu-ec76d8dcbba8f4e3.rlib" "/opt/crater/target/debug/deps/libitoa-b6d9c91cf55afec8.rlib" "/opt/crater/target/debug/deps/libws_tox_protocol-a9dd7d241c45d04f.rlib" "/opt/crater/target/debug/deps/librstox-cf6cb16a2fa68176.rlib" "/opt/crater/target/debug/deps/libbase64_serde-ebc4bb14fd72fe1f.rlib" "/opt/crater/target/debug/deps/libserde-e026ad68618e7a1b.rlib" "/opt/crater/target/debug/deps/libtokio-c8ae1b198602077f.rlib" "/opt/crater/target/debug/deps/libtokio_trace_core-39d1f25df42eaff1.rlib" "/opt/crater/target/debug/deps/libtokio_timer-35b7628c205b0f30.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-f16be87cb1fc94a8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-55f146e2aea539c0.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-2188dd75bfaf5aeb.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-b21d8c6fd732a299.rlib" "/opt/crater/target/debug/deps/libmemoffset-97aaddce60f38adf.rlib" "/opt/crater/target/debug/deps/libarrayvec-343471a3391f7ac8.rlib" "/opt/crater/target/debug/deps/libnodrop-e7a4f1c1f7749e1f.rlib" "/opt/crater/target/debug/deps/libtokio_current_thread-248b58ade109f8af.rlib" "/opt/crater/target/debug/deps/libwebsocket-f6e9fc0f007dbd27.rlib" "/opt/crater/target/debug/deps/libbitflags-6f632fff558bf385.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-31db53216c1b5c88.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-e7368c1d975f364e.rlib" "/opt/crater/target/debug/deps/libtokio_sync-763a48565589ae42.rlib" "/opt/crater/target/debug/deps/libfnv-0d57e5fd8327cc13.rlib" "/opt/crater/target/debug/deps/libtokio_executor-3e90daa64e4a8717.rlib" "/opt/crater/target/debug/deps/libparking_lot-14143387a13a98bb.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-8a81b7468419d206.rlib" "/opt/crater/target/debug/deps/liblock_api-8ec026c283607898.rlib" "/opt/crater/target/debug/deps/libowning_ref-dcde4af4fc98f07e.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-2a9412c89a8f626f.rlib" "/opt/crater/target/debug/deps/libscopeguard-f1a5efe88a6d7a2c.rlib" "/opt/crater/target/debug/deps/libmio-caf4174c71efa0d7.rlib" "/opt/crater/target/debug/deps/libslab-b904edcdb208ad5f.rlib" "/opt/crater/target/debug/deps/libnet2-1c6954f9e8368ef5.rlib" "/opt/crater/target/debug/deps/liblazycell-a8dafada2082fef2.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-0e6cc99db2fc40b2.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/libtokio_codec-e8ba3f56fd98144f.rlib" "/opt/crater/target/debug/deps/libtokio_io-916e1adf17c7a08c.rlib" "/opt/crater/target/debug/deps/libsha1-9c1861f7e71fdf82.rlib" "/opt/crater/target/debug/deps/librand-e703e0651e5e3c03.rlib" "/opt/crater/target/debug/deps/librand_xorshift-6a66fc50e6498d00.rlib" "/opt/crater/target/debug/deps/librand_pcg-60ef83adabd8d47a.rlib" "/opt/crater/target/debug/deps/librand_hc-83283ab0a0ee3df8.rlib" "/opt/crater/target/debug/deps/librand_chacha-b9f5abd1824a7f75.rlib" "/opt/crater/target/debug/deps/librand_isaac-94fc18115e9afd61.rlib" "/opt/crater/target/debug/deps/librand_core-482fdfb44fe03c92.rlib" "/opt/crater/target/debug/deps/librand_os-bf7abde9c2eb5110.rlib" "/opt/crater/target/debug/deps/librand_jitter-1f73b0ee635ef60d.rlib" "/opt/crater/target/debug/deps/librand_core-a9179eebc82cf0f0.rlib" "/opt/crater/target/debug/deps/libhyper-6d48c6d211562acb.rlib" "/opt/crater/target/debug/deps/libmime-f9fd10b157bb992d.rlib" "/opt/crater/target/debug/deps/liblog-dfb7527b36de7fec.rlib" "/opt/crater/target/debug/deps/liblog-ed053de906a35fd7.rlib" "/opt/crater/target/debug/deps/libcfg_if-def391c8994540a5.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-64cc9c97c5566356.rlib" "/opt/crater/target/debug/deps/libtypeable-215d98ef64fbe0e2.rlib" "/opt/crater/target/debug/deps/libtraitobject-e33df04668a8e80e.rlib" "/opt/crater/target/debug/deps/libnum_cpus-4e66a952a978cc5d.rlib" "/opt/crater/target/debug/deps/libhttparse-0b737b98daf7e15a.rlib" "/opt/crater/target/debug/deps/libunicase-6496f0874eb2dbae.rlib" "/opt/crater/target/debug/deps/liburl-05898e47d532f386.rlib" "/opt/crater/target/debug/deps/libpercent_encoding-46b84a469bd03b92.rlib" "/opt/crater/target/debug/deps/libidna-cd07905426e81d69.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-c95266b65d664c54.rlib" "/opt/crater/target/debug/deps/libsmallvec-00d14f3ddb609d61.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-a91dbe3d8912b8a4.rlib" "/opt/crater/target/debug/deps/libmatches-3af62a8bbaa5211e.rlib" "/opt/crater/target/debug/deps/libtime-37e6c3dcfea63f9c.rlib" "/opt/crater/target/debug/deps/libbase64-6e98e6ebd3f97e88.rlib" "/opt/crater/target/debug/deps/libsafemem-1abe614afb07ff89.rlib" "/opt/crater/target/debug/deps/libfutures-d59b03f0f80c49e9.rlib" "/opt/crater/target/debug/deps/libbytes-097ee4719c29c7dd.rlib" "/opt/crater/target/debug/deps/libiovec-b7e58ec87ef5bfe0.rlib" "/opt/crater/target/debug/deps/liblibc-2a27c4183a7d6022.rlib" "/opt/crater/target/debug/deps/libbase64-42b8494e694d0e04.rlib" "/opt/crater/target/debug/deps/libbyteorder-a25b209c708b793b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-ltoxcore" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -ltoxcore
[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 `ws-tox`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9daf17435fe9f5d17d477354c1215e3d87b546bab0084ee598e7e5e978ac97cb"`
[INFO] running `"docker" "rm" "-f" "9daf17435fe9f5d17d477354c1215e3d87b546bab0084ee598e7e5e978ac97cb"`
[INFO] [stdout] 9daf17435fe9f5d17d477354c1215e3d87b546bab0084ee598e7e5e978ac97cb