[INFO] updating cached repository foeb/voyage
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foeb/voyage
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foeb/voyage" "work/ex/beta-1.37-6/sources/1.36.0/gh/foeb/voyage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/foeb/voyage'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foeb/voyage" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foeb/voyage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foeb/voyage'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bab40778ee889f9fea7c28b42ebd3e62e3822a6
[INFO] sha for GitHub repo foeb/voyage: 3bab40778ee889f9fea7c28b42ebd3e62e3822a6
[INFO] validating manifest of foeb/voyage 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 foeb/voyage 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 foeb/voyage
[INFO] finished frobbing foeb/voyage
[INFO] frobbed toml for foeb/voyage written to work/ex/beta-1.37-6/sources/1.36.0/gh/foeb/voyage/Cargo.toml
[INFO] started frobbing foeb/voyage
[INFO] finished frobbing foeb/voyage
[INFO] frobbed toml for foeb/voyage written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/foeb/voyage/Cargo.toml
[INFO] crate foeb/voyage 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 foeb/voyage 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-6/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/foeb/voyage:/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] c691df373cb73e17ea6ab4555a4f383f9a0024388198ea4a6e31b40992f31c88
[INFO] running `"docker" "start" "-a" "c691df373cb73e17ea6ab4555a4f383f9a0024388198ea4a6e31b40992f31c88"`
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enumset v0.3.11
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling shred v0.7.0
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling enum-map v0.2.36
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling specs v0.12.0
[INFO] [stderr]    Compiling boundless_voyage v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WALL`
[INFO] [stderr]   --> src/map.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / pub const WALL: MapTile = MapTile {
[INFO] [stderr] 23 | |     ch: '#',
[INFO] [stderr] 24 | |     foreground: Color::Dark(BaseColor::Yellow),
[INFO] [stderr] 25 | |     background: Color::Dark(BaseColor::Black),
[INFO] [stderr] 26 | |     blocks_movement: true,
[INFO] [stderr] 27 | |     blocks_sight: true,
[INFO] [stderr] 28 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] 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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.boundless_voyage.edbxacld-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340" "/opt/crater/target/debug/deps/boundless_voyage-25c5ba95f72c0340.tlpxev09vx8dive.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/libspecs-a024b1b5367af4fc.rlib" "/opt/crater/target/debug/deps/libtuple_utils-a7d7feb7afaf803a.rlib" "/opt/crater/target/debug/deps/libshrev-3f640d1bbb85f467.rlib" "/opt/crater/target/debug/deps/libparking_lot-97305fd8460dec48.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-19c451e1d9cd5857.rlib" "/opt/crater/target/debug/deps/libhibitset-9dcfe0302aabef0c.rlib" "/opt/crater/target/debug/deps/libatom-f8a7e7db88aecc10.rlib" "/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib" "/opt/crater/target/debug/deps/libcrossbeam-f829e8abab7adb97.rlib" "/opt/crater/target/debug/deps/libshred-0cd168e12340216d.rlib" "/opt/crater/target/debug/deps/libsmallvec-c79a816625e846d3.rlib" "/opt/crater/target/debug/deps/libunreachable-40e55d450f39618d.rlib" "/opt/crater/target/debug/deps/libvoid-b4a3c83e92a11249.rlib" "/opt/crater/target/debug/deps/librayon-dd69947259791a8c.rlib" "/opt/crater/target/debug/deps/librayon_core-0d26a74aa9d6b918.rlib" "/opt/crater/target/debug/deps/libnum_cpus-c2ef3306b4ad9407.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-989c11eb0f3a201b.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-8b0658e12286e826.rlib" "/opt/crater/target/debug/deps/libscopeguard-afc08b825b950866.rlib" "/opt/crater/target/debug/deps/libmemoffset-ef971ccc3957ca71.rlib" "/opt/crater/target/debug/deps/liblazy_static-f336e312dbe2403d.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-55bee0391a400027.rlib" "/opt/crater/target/debug/deps/libmopa-d9e951e34bd43684.rlib" "/opt/crater/target/debug/deps/libfxhash-832792fe418def61.rlib" "/opt/crater/target/debug/deps/libbyteorder-dc864a96505efa5c.rlib" "/opt/crater/target/debug/deps/libarrayvec-148553a00f574a58.rlib" "/opt/crater/target/debug/deps/libnodrop-0480a5e661f37fde.rlib" "/opt/crater/target/debug/deps/libndarray-35a6cc05437be24e.rlib" "/opt/crater/target/debug/deps/libnum_traits-9fd874deca7a6fa0.rlib" "/opt/crater/target/debug/deps/libitertools-894e44a4e01ccebc.rlib" "/opt/crater/target/debug/deps/libeither-88c841192ea25aec.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-192173230443ea7f.rlib" "/opt/crater/target/debug/deps/librawpointer-0c16108fbcdeefb9.rlib" "/opt/crater/target/debug/deps/libcursive-9277b87e32ee44d0.rlib" "/opt/crater/target/debug/deps/libncurses-206aaa0e6ec362d0.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-19a787ce2690d840.rlib" "/opt/crater/target/debug/deps/libserde-d2394f75a47d88f8.rlib" "/opt/crater/target/debug/deps/libowning_ref-8dde42284f515ecd.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-20a889890fffda11.rlib" "/opt/crater/target/debug/deps/libnum-06599b3816cb6c7e.rlib" "/opt/crater/target/debug/deps/libnum_rational-0d6082558525539c.rlib" "/opt/crater/target/debug/deps/libnum_bigint-ca915675e74d327d.rlib" "/opt/crater/target/debug/deps/librand-57306556934ba085.rlib" "/opt/crater/target/debug/deps/liblibc-62bf195eedd01b9b.rlib" "/opt/crater/target/debug/deps/libnum_complex-197948c1e4c6786a.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libnum_iter-670faf21d430eb07.rlib" "/opt/crater/target/debug/deps/libnum_integer-333b07b4b36a5254.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/liblog-19362bde61578988.rlib" "/opt/crater/target/debug/deps/libcfg_if-1f3216900df7a07e.rlib" "/opt/crater/target/debug/deps/libenumset-3724796f0054fde3.rlib" "/opt/crater/target/debug/deps/libnum_traits-e125c33c63f9bbc7.rlib" "/opt/crater/target/debug/deps/libenum_map-eabca0e1c5da6ceb.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 `boundless_voyage`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c691df373cb73e17ea6ab4555a4f383f9a0024388198ea4a6e31b40992f31c88"`
[INFO] running `"docker" "rm" "-f" "c691df373cb73e17ea6ab4555a4f383f9a0024388198ea4a6e31b40992f31c88"`
[INFO] [stdout] c691df373cb73e17ea6ab4555a4f383f9a0024388198ea4a6e31b40992f31c88