[INFO] updating cached repository xrisyz/cursive_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xrisyz/cursive_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xrisyz/cursive_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/xrisyz/cursive_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/xrisyz/cursive_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xrisyz/cursive_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xrisyz/cursive_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xrisyz/cursive_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 328d6072e16d2258247afe099d7a03ca3677ef22
[INFO] sha for GitHub repo xrisyz/cursive_test: 328d6072e16d2258247afe099d7a03ca3677ef22
[INFO] validating manifest of xrisyz/cursive_test 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 xrisyz/cursive_test 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 xrisyz/cursive_test
[INFO] finished frobbing xrisyz/cursive_test
[INFO] frobbed toml for xrisyz/cursive_test written to work/ex/beta-1.37-6/sources/1.36.0/gh/xrisyz/cursive_test/Cargo.toml
[INFO] started frobbing xrisyz/cursive_test
[INFO] finished frobbing xrisyz/cursive_test
[INFO] frobbed toml for xrisyz/cursive_test written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xrisyz/cursive_test/Cargo.toml
[INFO] crate xrisyz/cursive_test 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 xrisyz/cursive_test against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/xrisyz/cursive_test:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8bce544c2d4fb4f4dc48b5399cb848f3208aacf963e794d6ecd6e85ea4e34a67
[INFO] running `"docker" "start" "-a" "8bce544c2d4fb4f4dc48b5399cb848f3208aacf963e794d6ecd6e85ea4e34a67"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling arc-swap v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.0
[INFO] [stderr]    Compiling ncurses v5.97.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-channel v0.3.3
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling enumset_derive v0.2.0
[INFO] [stderr]    Compiling enum-map v0.4.1
[INFO] [stderr]    Compiling enumset v0.3.14
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling cursive v0.10.0
[INFO] [stderr]    Compiling tui v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BoxView`, `TextView`
[INFO] [stderr]  --> src/main.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use cursive::views::{Dialog, TextView, Button, DummyView, EditView, LinearLayout, SelectView, BoxView};
[INFO] [stderr]   |                              ^^^^^^^^                                                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_next`
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn show_next(s: &mut Cursive){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_answer`
[INFO] [stderr]   --> src/main.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn show_answer(s: &mut Cursive, msg: &str) {
[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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.tui.94y5uxwf-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d" "/opt/crater/target/debug/deps/tui-f039c4bdf280ff4d.14mqkriqbxagoup5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libcursive-d8072f8e178d93bf.rlib" "/opt/crater/target/debug/deps/libncurses-58eeae98c905bd48.rlib" "/opt/crater/target/debug/deps/libterm_size-323ad366222354c9.rlib" "/opt/crater/target/debug/deps/libxi_unicode-9f6fcb4238f45c55.rlib" "/opt/crater/target/debug/deps/libunicode_width-5c65625ac38072b6.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-9cdb6fcf4c16057e.rlib" "/opt/crater/target/debug/deps/libtoml-e5b27c96726f0562.rlib" "/opt/crater/target/debug/deps/libserde-92d78aa20bff92a1.rlib" "/opt/crater/target/debug/deps/libnum-49084c066d6dde89.rlib" "/opt/crater/target/debug/deps/libnum_rational-c31ce97458fe9d8b.rlib" "/opt/crater/target/debug/deps/libnum_iter-01d89d19600da989.rlib" "/opt/crater/target/debug/deps/libnum_integer-9ca4ca22e0105bb2.rlib" "/opt/crater/target/debug/deps/libnum_complex-e901a08dbd52be97.rlib" "/opt/crater/target/debug/deps/libsignal_hook-b534498c027629ca.rlib" "/opt/crater/target/debug/deps/libarc_swap-74b4beedfae649e3.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-ec94b563f1f8f06a.rlib" "/opt/crater/target/debug/deps/libparking_lot-c89e29499fc6abde.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-74fdeea597b9fb5b.rlib" "/opt/crater/target/debug/deps/libsmallvec-a54b56220b322a50.rlib" "/opt/crater/target/debug/deps/libunreachable-40e55d450f39618d.rlib" "/opt/crater/target/debug/deps/libvoid-b4a3c83e92a11249.rlib" "/opt/crater/target/debug/deps/librand-0e1b4cfc4fb08834.rlib" "/opt/crater/target/debug/deps/liblibc-1bc6bf9f8dc8e8ac.rlib" "/opt/crater/target/debug/deps/librand_xorshift-e4175971b0eedd8b.rlib" "/opt/crater/target/debug/deps/librand_pcg-a99eb8994209efbf.rlib" "/opt/crater/target/debug/deps/librand_hc-1a031fb5dbbfb4e7.rlib" "/opt/crater/target/debug/deps/librand_chacha-d91d5d797b9b0b3f.rlib" "/opt/crater/target/debug/deps/librand_isaac-e44604c0a003e3f8.rlib" "/opt/crater/target/debug/deps/librand_core-0169ea5a612ef054.rlib" "/opt/crater/target/debug/deps/liblock_api-3fc8af4b186c35a8.rlib" "/opt/crater/target/debug/deps/libowning_ref-f49604bedfa4ae1c.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-287a8a8ca6ec21fa.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-de56608c242a3ea7.rlib" "/opt/crater/target/debug/deps/liblazy_static-6758b07bea2a83cb.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-667d6889ee396a84.rlib" "/opt/crater/target/debug/deps/libarrayvec-a9b27d165dce9336.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.rlib" "/opt/crater/target/debug/deps/liblog-716adb885b79b490.rlib" "/opt/crater/target/debug/deps/libcfg_if-c1938f77dc3c8b6e.rlib" "/opt/crater/target/debug/deps/libenumset-8423a54b74800b72.rlib" "/opt/crater/target/debug/deps/libnum_traits-1f63f1ea91c56eb7.rlib" "/opt/crater/target/debug/deps/libenum_map-f5328309eb3be239.rlib" "/opt/crater/target/debug/deps/libreexport_proc_macro-ad6187e7a6441866.rlib" "/opt/crater/target/debug/deps/libarray_macro-57c537f99ea01f2a.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lncursesw" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lncursesw
[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 `tui`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8bce544c2d4fb4f4dc48b5399cb848f3208aacf963e794d6ecd6e85ea4e34a67"`
[INFO] running `"docker" "rm" "-f" "8bce544c2d4fb4f4dc48b5399cb848f3208aacf963e794d6ecd6e85ea4e34a67"`
[INFO] [stdout] 8bce544c2d4fb4f4dc48b5399cb848f3208aacf963e794d6ecd6e85ea4e34a67