[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-1.37-6/sources/1.36.0/gh/ddowl/snakers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ddowl/snakers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ddowl/snakers" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ddowl/snakers"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ddowl/snakers 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 ddowl/snakers
[INFO] finished frobbing ddowl/snakers
[INFO] frobbed toml for ddowl/snakers written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 ddowl/snakers 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 60eeb43640803ec478ca109d8d7cdeee97c816c96c4dbab35fd3352f88f23ae1
[INFO] running `"docker" "start" "-a" "60eeb43640803ec478ca109d8d7cdeee97c816c96c4dbab35fd3352f88f23ae1"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling hashbrown v0.2.2
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling enum-map-internals v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling chrono v0.4.6
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.snakers.6idkooqs-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782" "/opt/crater/target/debug/deps/snakers-53c30fa3ab477782.501zumk8y3rcwh1f.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/librand-06435854c3ddefac.rlib" "/opt/crater/target/debug/deps/librand_xorshift-6a66fc50e6498d00.rlib" "/opt/crater/target/debug/deps/librand_pcg-60ef83adabd8d47a.rlib" "/opt/crater/target/debug/deps/librand_hc-83283ab0a0ee3df8.rlib" "/opt/crater/target/debug/deps/librand_chacha-b9f5abd1824a7f75.rlib" "/opt/crater/target/debug/deps/librand_isaac-94fc18115e9afd61.rlib" "/opt/crater/target/debug/deps/librand_core-482fdfb44fe03c92.rlib" "/opt/crater/target/debug/deps/librand_os-7fea43cfc7d60fad.rlib" "/opt/crater/target/debug/deps/librand_jitter-1f73b0ee635ef60d.rlib" "/opt/crater/target/debug/deps/librand_core-a9179eebc82cf0f0.rlib" "/opt/crater/target/debug/deps/libcursive-fa81f44d80aafddb.rlib" "/opt/crater/target/debug/deps/libchrono-d33a549d5e9979f0.rlib" "/opt/crater/target/debug/deps/libtime-83db27e1ec735f25.rlib" "/opt/crater/target/debug/deps/libncurses-9211ba9c62ea26f0.rlib" "/opt/crater/target/debug/deps/libmaplit-5278593ddc744190.rlib" "/opt/crater/target/debug/deps/libsignal_hook-183fc66226d04a6d.rlib" "/opt/crater/target/debug/deps/libsignal_hook_registry-b9da66bed74d3ae2.rlib" "/opt/crater/target/debug/deps/libarc_swap-d243575fb0fcd064.rlib" "/opt/crater/target/debug/deps/liblibc-d92e8aeb4b9edd4c.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-190e29e6c2a68d2a.rlib" "/opt/crater/target/debug/deps/libsmallvec-00d14f3ddb609d61.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-0e6cc99db2fc40b2.rlib" "/opt/crater/target/debug/deps/libowning_ref-dcde4af4fc98f07e.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-2a9412c89a8f626f.rlib" "/opt/crater/target/debug/deps/libnum-a3495309317654d7.rlib" "/opt/crater/target/debug/deps/libnum_rational-9dcf2990f124d919.rlib" "/opt/crater/target/debug/deps/libnum_iter-ce3dfa695427e93c.rlib" "/opt/crater/target/debug/deps/libnum_integer-6442eebb199d17f6.rlib" "/opt/crater/target/debug/deps/libnum_complex-28ccc4b891f1e194.rlib" "/opt/crater/target/debug/deps/libhashbrown-be9178cffda49921.rlib" "/opt/crater/target/debug/deps/libtoml-874129fb68cfda8d.rlib" "/opt/crater/target/debug/deps/libserde-bed1f903b8c39290.rlib" "/opt/crater/target/debug/deps/liblog-c2b0e2c65cc795aa.rlib" "/opt/crater/target/debug/deps/libcfg_if-def391c8994540a5.rlib" "/opt/crater/target/debug/deps/libenum_map-f10921e66b672146.rlib" "/opt/crater/target/debug/deps/libenum_map_internals-99c8f1be224dcfd7.rlib" "/opt/crater/target/debug/deps/libarray_macro-a51d538ab1dde9aa.rlib" "/opt/crater/target/debug/deps/libenumset-c628bccf412c75e6.rlib" "/opt/crater/target/debug/deps/libnum_traits-d5458cf43ba730b9.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/liblazy_static-35422c5bca3b6d90.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 `snakers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "60eeb43640803ec478ca109d8d7cdeee97c816c96c4dbab35fd3352f88f23ae1"`
[INFO] running `"docker" "rm" "-f" "60eeb43640803ec478ca109d8d7cdeee97c816c96c4dbab35fd3352f88f23ae1"`
[INFO] [stdout] 60eeb43640803ec478ca109d8d7cdeee97c816c96c4dbab35fd3352f88f23ae1