[INFO] updating cached repository ddowl/snakers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ddowl/snakers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ddowl/snakers" "work/ex/beta-1.38-1/sources/1.37.0/gh/ddowl/snakers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ddowl/snakers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ddowl/snakers" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ddowl/snakers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ddowl/snakers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ee47b151509b6a55e95afb015eb80bc3e1cae70
[INFO] sha for GitHub repo ddowl/snakers: 4ee47b151509b6a55e95afb015eb80bc3e1cae70
[INFO] validating manifest of ddowl/snakers 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 ddowl/snakers 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 ddowl/snakers
[INFO] finished frobbing ddowl/snakers
[INFO] frobbed toml for ddowl/snakers written to work/ex/beta-1.38-1/sources/1.37.0/gh/ddowl/snakers/Cargo.toml
[INFO] started frobbing ddowl/snakers
[INFO] finished frobbing ddowl/snakers
[INFO] frobbed toml for ddowl/snakers written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ddowl/snakers/Cargo.toml
[INFO] crate ddowl/snakers 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 ddowl/snakers 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-0/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/ddowl/snakers:/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] a3ce42c378c34a4ba7a86b1ab09d3345c9bf8b844e58a5c9cc0e762ed0e28480
[INFO] running `"docker" "start" "-a" "a3ce42c378c34a4ba7a86b1ab09d3345c9bf8b844e58a5c9cc0e762ed0e28480"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling array-macro v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling enum-map-internals v0.1.2
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enum-map v0.5.0
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]    Compiling enumset v0.3.19
[INFO] [stderr]    Compiling cursive v0.11.2
[INFO] [stderr]    Compiling snakers v0.1.0 (/opt/crater/workdir)
[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/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.snakers.4vitj1a5-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190" "/opt/crater/target/debug/deps/snakers-e9f37eaf6b4d6190.122hznr5qhbu0pyh.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/librand-c69951ee3f0fc69a.rlib" "/opt/crater/target/debug/deps/librand_xorshift-7b19cb00158fa6fb.rlib" "/opt/crater/target/debug/deps/librand_pcg-65721c37f161e149.rlib" "/opt/crater/target/debug/deps/librand_hc-0652ab44c5db9eb2.rlib" "/opt/crater/target/debug/deps/librand_chacha-11361bf4dfc3f2ea.rlib" "/opt/crater/target/debug/deps/librand_isaac-a4f79f4126c1f25d.rlib" "/opt/crater/target/debug/deps/librand_core-4dce960811a60b1d.rlib" "/opt/crater/target/debug/deps/librand_os-2e6ff1a91fa64e23.rlib" "/opt/crater/target/debug/deps/librand_jitter-d9d513b2a8e629e5.rlib" "/opt/crater/target/debug/deps/librand_core-948b7aad8fedc31f.rlib" "/opt/crater/target/debug/deps/libcursive-fba4b6590fdc0378.rlib" "/opt/crater/target/debug/deps/libchrono-1c4432f08243291a.rlib" "/opt/crater/target/debug/deps/libtime-656b6c016944d255.rlib" "/opt/crater/target/debug/deps/libncurses-079ef5c3cc994112.rlib" "/opt/crater/target/debug/deps/libmaplit-9c2369f4370ae973.rlib" "/opt/crater/target/debug/deps/libsignal_hook-ce8a19402564d619.rlib" "/opt/crater/target/debug/deps/libsignal_hook_registry-d72d2704acdec2ef.rlib" "/opt/crater/target/debug/deps/libarc_swap-721a10bfc241673d.rlib" "/opt/crater/target/debug/deps/liblibc-7030ceb90a849dae.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-6591a3631b12d19a.rlib" "/opt/crater/target/debug/deps/libsmallvec-5064529c624056f7.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-007e1eccfa518f54.rlib" "/opt/crater/target/debug/deps/libowning_ref-3fc2847bd21aa6e0.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-0255958156eadff4.rlib" "/opt/crater/target/debug/deps/libnum-762dac08f92cdc39.rlib" "/opt/crater/target/debug/deps/libnum_rational-aba0943eaace62fa.rlib" "/opt/crater/target/debug/deps/libnum_iter-42be5d2d79b53f63.rlib" "/opt/crater/target/debug/deps/libnum_integer-af91671912c7927b.rlib" "/opt/crater/target/debug/deps/libnum_complex-8e9b7fcbc7b85d75.rlib" "/opt/crater/target/debug/deps/libhashbrown-3a74757938a74ef9.rlib" "/opt/crater/target/debug/deps/libtoml-bc6b191e173ab240.rlib" "/opt/crater/target/debug/deps/libserde-7d27e1cf11673dba.rlib" "/opt/crater/target/debug/deps/liblog-a38d76ba6946c949.rlib" "/opt/crater/target/debug/deps/libcfg_if-b3a66c4c913947fb.rlib" "/opt/crater/target/debug/deps/libenum_map-e706bffd18cfc102.rlib" "/opt/crater/target/debug/deps/libenum_map_internals-6af5548cb3d59b3a.rlib" "/opt/crater/target/debug/deps/libarray_macro-929232140fe0a58f.rlib" "/opt/crater/target/debug/deps/libenumset-36de0eb64247b4be.rlib" "/opt/crater/target/debug/deps/libnum_traits-36fa84b8ef65fd30.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/liblazy_static-1f7a4359e40a6da9.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 `snakers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a3ce42c378c34a4ba7a86b1ab09d3345c9bf8b844e58a5c9cc0e762ed0e28480"`
[INFO] running `"docker" "rm" "-f" "a3ce42c378c34a4ba7a86b1ab09d3345c9bf8b844e58a5c9cc0e762ed0e28480"`
[INFO] [stdout] a3ce42c378c34a4ba7a86b1ab09d3345c9bf8b844e58a5c9cc0e762ed0e28480