[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 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c6a6988b04fbacc88eb33f26b94664f429b3bb5c97020d221cbc2b6a9d89311e
[INFO] running `"docker" "start" "-a" "c6a6988b04fbacc88eb33f26b94664f429b3bb5c97020d221cbc2b6a9d89311e"`
[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 smallvec v0.6.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling enumset v0.3.11
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling shred v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling specs v0.12.0
[INFO] [stderr]    Compiling num v0.1.42
[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 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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.boundless_voyage.cd796prh-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce" "/opt/crater/target/debug/deps/boundless_voyage-8cb5ec645f37b6ce.2mg3ku83zi2uopwc.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/libspecs-36501adea668ba22.rlib" "/opt/crater/target/debug/deps/libtuple_utils-5802f5431f7d3c54.rlib" "/opt/crater/target/debug/deps/libshrev-d2e44eca526f7d26.rlib" "/opt/crater/target/debug/deps/libparking_lot-c96edb3044d491d7.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-281cf720abefc2d7.rlib" "/opt/crater/target/debug/deps/libhibitset-14bf1a4666c3907e.rlib" "/opt/crater/target/debug/deps/libatom-5d7f969b73b91621.rlib" "/opt/crater/target/debug/deps/libfnv-0d57e5fd8327cc13.rlib" "/opt/crater/target/debug/deps/libcrossbeam-afeb664edf309719.rlib" "/opt/crater/target/debug/deps/libshred-e6d8cde38b63af33.rlib" "/opt/crater/target/debug/deps/libsmallvec-c094d5e8cb8386d4.rlib" "/opt/crater/target/debug/deps/libunreachable-82bd20dc79f20878.rlib" "/opt/crater/target/debug/deps/libvoid-e4249880315f5034.rlib" "/opt/crater/target/debug/deps/librayon-0106b7f07d87b568.rlib" "/opt/crater/target/debug/deps/librayon_core-c796b4e73fcb96f0.rlib" "/opt/crater/target/debug/deps/libnum_cpus-e16a89527eaadcb2.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-d0aa8e93f9f80005.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-23d94d1acd97c974.rlib" "/opt/crater/target/debug/deps/libscopeguard-f1a5efe88a6d7a2c.rlib" "/opt/crater/target/debug/deps/libmemoffset-97aaddce60f38adf.rlib" "/opt/crater/target/debug/deps/liblazy_static-5d30fc5901e8e0f4.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-86b248c0ac38b591.rlib" "/opt/crater/target/debug/deps/libmopa-0fa3c1e41a943bac.rlib" "/opt/crater/target/debug/deps/libfxhash-f3a948c83336cf8b.rlib" "/opt/crater/target/debug/deps/libbyteorder-91484a073c47d330.rlib" "/opt/crater/target/debug/deps/libarrayvec-f7890ccae09edebb.rlib" "/opt/crater/target/debug/deps/libnodrop-b35cecb68ede0f00.rlib" "/opt/crater/target/debug/deps/libndarray-10044b42b23844f5.rlib" "/opt/crater/target/debug/deps/libnum_traits-35eaeaa2cc363741.rlib" "/opt/crater/target/debug/deps/libitertools-7a5157d24bfb5961.rlib" "/opt/crater/target/debug/deps/libeither-0f95895ac60a72cc.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-9e0969ad0aba126a.rlib" "/opt/crater/target/debug/deps/librawpointer-00bcf4c98a1e46cc.rlib" "/opt/crater/target/debug/deps/libcursive-fe764143eb2714d8.rlib" "/opt/crater/target/debug/deps/libncurses-56aa6161ccfdb385.rlib" "/opt/crater/target/debug/deps/libxi_unicode-e14070b0844185bb.rlib" "/opt/crater/target/debug/deps/libunicode_width-26f3734d51bc29d0.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-03ea62a2c8eaba7d.rlib" "/opt/crater/target/debug/deps/libtoml-a8fcc916cbda72e7.rlib" "/opt/crater/target/debug/deps/libserde-776bfdb9383e835a.rlib" "/opt/crater/target/debug/deps/libowning_ref-f1c4e1505999456e.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-dc0045efd1c5429e.rlib" "/opt/crater/target/debug/deps/libnum-42da0c02d0e206ab.rlib" "/opt/crater/target/debug/deps/libnum_rational-c2d23c6195f75b91.rlib" "/opt/crater/target/debug/deps/libnum_bigint-b793bc891d845f27.rlib" "/opt/crater/target/debug/deps/librand-256e5b3bc08b0b28.rlib" "/opt/crater/target/debug/deps/liblibc-2bc51604af9dbea7.rlib" "/opt/crater/target/debug/deps/libnum_complex-d5426a7f56169568.rlib" "/opt/crater/target/debug/deps/librustc_serialize-04f5d71c016b4cf1.rlib" "/opt/crater/target/debug/deps/libnum_iter-96022ea85631db4f.rlib" "/opt/crater/target/debug/deps/libnum_integer-8b7831b596aa40bb.rlib" "/opt/crater/target/debug/deps/libmaplit-5278593ddc744190.rlib" "/opt/crater/target/debug/deps/liblog-3495fbd1439e5ac8.rlib" "/opt/crater/target/debug/deps/libcfg_if-4922c1ea6aa62895.rlib" "/opt/crater/target/debug/deps/libenumset-9ced518021bd1144.rlib" "/opt/crater/target/debug/deps/libnum_traits-538bf8318a736e8f.rlib" "/opt/crater/target/debug/deps/libenum_map-c5b5efb23e70037e.rlib" "/opt/crater/target/debug/deps/libreexport_proc_macro-74f6f534cc597a4d.rlib" "/opt/crater/target/debug/deps/libarray_macro-16af6f63679249bb.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" "-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" "c6a6988b04fbacc88eb33f26b94664f429b3bb5c97020d221cbc2b6a9d89311e"`
[INFO] running `"docker" "rm" "-f" "c6a6988b04fbacc88eb33f26b94664f429b3bb5c97020d221cbc2b6a9d89311e"`
[INFO] [stdout] c6a6988b04fbacc88eb33f26b94664f429b3bb5c97020d221cbc2b6a9d89311e