[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c576d56a291062e28f718ead284e5bf39274cb4eceea04e4c2e086f55a665f02
[INFO] running `"docker" "start" "-a" "c576d56a291062e28f718ead284e5bf39274cb4eceea04e4c2e086f55a665f02"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[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 num-complex v0.1.43
[INFO] [stderr]    Compiling enumset v0.3.11
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling shrev v1.0.1
[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 num v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling shred v0.7.0
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.boundless_voyage.czxfv2ae-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42" "/opt/crater/target/debug/deps/boundless_voyage-c641f4e6f5c92d42.o9ym7uhl0rtv2v2.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libspecs-e1ee691418d350a3.rlib" "/opt/crater/target/debug/deps/libtuple_utils-a4ab8f7845499f49.rlib" "/opt/crater/target/debug/deps/libshrev-affc55cbe0a8a2c4.rlib" "/opt/crater/target/debug/deps/libparking_lot-cb7ac92c62bcd8b3.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-7a3ba9f237ee2895.rlib" "/opt/crater/target/debug/deps/libhibitset-3b9f25958258925a.rlib" "/opt/crater/target/debug/deps/libatom-213b9a013c33fcf4.rlib" "/opt/crater/target/debug/deps/libfnv-0b54693efaf27e2a.rlib" "/opt/crater/target/debug/deps/libcrossbeam-059bd6b2f9ab096d.rlib" "/opt/crater/target/debug/deps/libshred-c383618ce8d52cab.rlib" "/opt/crater/target/debug/deps/libsmallvec-62f1fb5a1fd5e9fb.rlib" "/opt/crater/target/debug/deps/libunreachable-b06fe4f6d04b74f2.rlib" "/opt/crater/target/debug/deps/libvoid-d4bd79b68b9b921e.rlib" "/opt/crater/target/debug/deps/librayon-17788b0be18a89ec.rlib" "/opt/crater/target/debug/deps/librayon_core-84690eed050d5993.rlib" "/opt/crater/target/debug/deps/libnum_cpus-a8e3889e8b7bbef7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-91dd18c2411ced34.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-ded15c40d063399d.rlib" "/opt/crater/target/debug/deps/libscopeguard-316f896e0d3e978a.rlib" "/opt/crater/target/debug/deps/libmemoffset-6c4b37f364c61d2a.rlib" "/opt/crater/target/debug/deps/liblazy_static-bcccd582e3139db5.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-e6307c742d0cade0.rlib" "/opt/crater/target/debug/deps/libmopa-f33c7becb1958f80.rlib" "/opt/crater/target/debug/deps/libfxhash-968e030848333cf5.rlib" "/opt/crater/target/debug/deps/libbyteorder-d43fc37a075b6371.rlib" "/opt/crater/target/debug/deps/libarrayvec-3d2c2dd550e90e1e.rlib" "/opt/crater/target/debug/deps/libnodrop-4e986c2cb71c811e.rlib" "/opt/crater/target/debug/deps/libndarray-dc37411812cb339e.rlib" "/opt/crater/target/debug/deps/libnum_traits-f61046fd467736a9.rlib" "/opt/crater/target/debug/deps/libitertools-4acb3363132987ea.rlib" "/opt/crater/target/debug/deps/libeither-1d8cfd8a86cf0dc0.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-e03fe5b1895d399d.rlib" "/opt/crater/target/debug/deps/librawpointer-21fcc3474eb85ebb.rlib" "/opt/crater/target/debug/deps/libcursive-d0cde0fdaf8b8d04.rlib" "/opt/crater/target/debug/deps/libncurses-d9a22d536620d9cb.rlib" "/opt/crater/target/debug/deps/libxi_unicode-1d94438a6121fc07.rlib" "/opt/crater/target/debug/deps/libunicode_width-854b98bbb65b7690.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-329e7744010608fb.rlib" "/opt/crater/target/debug/deps/libtoml-0bf2a2abb71a1387.rlib" "/opt/crater/target/debug/deps/libserde-7d532432d6b32a3b.rlib" "/opt/crater/target/debug/deps/libowning_ref-a7dc6a848d6a3525.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-eb0cfa5394b99acb.rlib" "/opt/crater/target/debug/deps/libnum-c61678409b3e0098.rlib" "/opt/crater/target/debug/deps/libnum_rational-24d1bde2d9c2ffa9.rlib" "/opt/crater/target/debug/deps/libnum_bigint-083518c6c92e6fd4.rlib" "/opt/crater/target/debug/deps/librand-491943e98e6e4ec0.rlib" "/opt/crater/target/debug/deps/liblibc-8f6d2a92b9de74ec.rlib" "/opt/crater/target/debug/deps/libnum_complex-f7fee3b1865ca81e.rlib" "/opt/crater/target/debug/deps/librustc_serialize-cc29b8ffd74fbfca.rlib" "/opt/crater/target/debug/deps/libnum_iter-780754baadb0392d.rlib" "/opt/crater/target/debug/deps/libnum_integer-69f6c7b7e7338d34.rlib" "/opt/crater/target/debug/deps/libmaplit-a5685f2e36919e59.rlib" "/opt/crater/target/debug/deps/liblog-68057761adbfa3dc.rlib" "/opt/crater/target/debug/deps/libcfg_if-02c283d48e44cfa5.rlib" "/opt/crater/target/debug/deps/libenumset-5be65d97ffa7ba94.rlib" "/opt/crater/target/debug/deps/libnum_traits-6ee04903fe0bc7d4.rlib" "/opt/crater/target/debug/deps/libenum_map-c83d624c6c79ce83.rlib" "/opt/crater/target/debug/deps/libreexport_proc_macro-6adc3150c12adf8f.rlib" "/opt/crater/target/debug/deps/libarray_macro-a6d63065b1c72082.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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" "c576d56a291062e28f718ead284e5bf39274cb4eceea04e4c2e086f55a665f02"`
[INFO] running `"docker" "rm" "-f" "c576d56a291062e28f718ead284e5bf39274cb4eceea04e4c2e086f55a665f02"`
[INFO] [stdout] c576d56a291062e28f718ead284e5bf39274cb4eceea04e4c2e086f55a665f02