[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-1.38-1/sources/1.37.0/gh/foeb/voyage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/foeb/voyage'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foeb/voyage" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/foeb/voyage"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foeb/voyage on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing foeb/voyage against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e9384425123aa2654cb72d95784212ede034909d0e3290854973fcbd9329b1f9
[INFO] running `"docker" "start" "-a" "e9384425123aa2654cb72d95784212ede034909d0e3290854973fcbd9329b1f9"`
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling enumset v0.3.11
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling enum-map v0.2.36
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling shred v0.7.0
[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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.boundless_voyage.cxji1t46-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55" "/opt/crater/target/debug/deps/boundless_voyage-d0d1a1aaad94db55.4g7d8ksaccxxdh7m.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libspecs-6ac183c0e2017ea4.rlib" "/opt/crater/target/debug/deps/libtuple_utils-fd4d3cb239abe572.rlib" "/opt/crater/target/debug/deps/libshrev-85a8415fae5bcb2e.rlib" "/opt/crater/target/debug/deps/libparking_lot-53cd27b4b0e3d83d.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-dc48d24680c40df5.rlib" "/opt/crater/target/debug/deps/libhibitset-61f58ce6efc0329c.rlib" "/opt/crater/target/debug/deps/libatom-9cd266afdf8577db.rlib" "/opt/crater/target/debug/deps/libfnv-6e18f98be4338210.rlib" "/opt/crater/target/debug/deps/libcrossbeam-b7feb6e2b32da9c7.rlib" "/opt/crater/target/debug/deps/libshred-29ae6a59604c64dd.rlib" "/opt/crater/target/debug/deps/libsmallvec-9d9cd0fc91732d80.rlib" "/opt/crater/target/debug/deps/libunreachable-7dd4ced4819ef3ab.rlib" "/opt/crater/target/debug/deps/libvoid-4fb26e3b0cb57bde.rlib" "/opt/crater/target/debug/deps/librayon-e0a78bb1a045fc02.rlib" "/opt/crater/target/debug/deps/librayon_core-4cad4a315ed2ec22.rlib" "/opt/crater/target/debug/deps/libnum_cpus-e17c6fef762a0316.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-a4e46b2f99d02de5.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-e3f13a0f3b784468.rlib" "/opt/crater/target/debug/deps/libscopeguard-22a7afc64d55fe2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-81f7e9a5af225363.rlib" "/opt/crater/target/debug/deps/liblazy_static-7d0f8c16d28f959a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-39a2d03284d97b09.rlib" "/opt/crater/target/debug/deps/libmopa-bdc26a1b7551a1d8.rlib" "/opt/crater/target/debug/deps/libfxhash-e3ff99ce87034413.rlib" "/opt/crater/target/debug/deps/libbyteorder-da446c677a31e577.rlib" "/opt/crater/target/debug/deps/libarrayvec-13731c3b7eacb6e8.rlib" "/opt/crater/target/debug/deps/libnodrop-6d1d7bbbcdf902c1.rlib" "/opt/crater/target/debug/deps/libndarray-4128caddcb3d5575.rlib" "/opt/crater/target/debug/deps/libnum_traits-27dc4fb5de826b06.rlib" "/opt/crater/target/debug/deps/libitertools-c5e65a87e8908899.rlib" "/opt/crater/target/debug/deps/libeither-90c0ce8e46d0418a.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-19d3a7021d3a388c.rlib" "/opt/crater/target/debug/deps/librawpointer-65262f271f4611c8.rlib" "/opt/crater/target/debug/deps/libcursive-b7c7a805e2d6ee50.rlib" "/opt/crater/target/debug/deps/libncurses-7357c0a9973851e5.rlib" "/opt/crater/target/debug/deps/libxi_unicode-d5085ce635acb892.rlib" "/opt/crater/target/debug/deps/libunicode_width-be270ae5acdefae2.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-d82d157f772f81f1.rlib" "/opt/crater/target/debug/deps/libtoml-a26eb820faf1b1a1.rlib" "/opt/crater/target/debug/deps/libserde-e693d632b2b7ea85.rlib" "/opt/crater/target/debug/deps/libowning_ref-7eb35d018c8bf20f.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-e4e6e99f096d82fd.rlib" "/opt/crater/target/debug/deps/libnum-5fcf4bca777bca96.rlib" "/opt/crater/target/debug/deps/libnum_rational-d67a5d5ce23299fc.rlib" "/opt/crater/target/debug/deps/libnum_bigint-de0d981e5f0f2661.rlib" "/opt/crater/target/debug/deps/librand-8aabafb077b32774.rlib" "/opt/crater/target/debug/deps/liblibc-9543c9559dc5df0d.rlib" "/opt/crater/target/debug/deps/libnum_complex-dd1f167477d647d1.rlib" "/opt/crater/target/debug/deps/librustc_serialize-fc0a027b4489f806.rlib" "/opt/crater/target/debug/deps/libnum_iter-4e3c9ade6a0e188c.rlib" "/opt/crater/target/debug/deps/libnum_integer-1aea5f7ced06a086.rlib" "/opt/crater/target/debug/deps/libmaplit-9c2369f4370ae973.rlib" "/opt/crater/target/debug/deps/liblog-0bea80e248e0c928.rlib" "/opt/crater/target/debug/deps/libcfg_if-13454bfc15bf8264.rlib" "/opt/crater/target/debug/deps/libenumset-1099580c3112bbca.rlib" "/opt/crater/target/debug/deps/libnum_traits-b8521d0bebe12052.rlib" "/opt/crater/target/debug/deps/libenum_map-a043aba8e1e81462.rlib" "/opt/crater/target/debug/deps/libreexport_proc_macro-8335c151d8930a4c.rlib" "/opt/crater/target/debug/deps/libarray_macro-d83bdc67e0539ea7.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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" "e9384425123aa2654cb72d95784212ede034909d0e3290854973fcbd9329b1f9"`
[INFO] running `"docker" "rm" "-f" "e9384425123aa2654cb72d95784212ede034909d0e3290854973fcbd9329b1f9"`
[INFO] [stdout] e9384425123aa2654cb72d95784212ede034909d0e3290854973fcbd9329b1f9