[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 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9cb29efe9345d30f1251b74e89baee388508c02f581ce26d3e619428558ccd6b
[INFO] running `"docker" "start" "-a" "9cb29efe9345d30f1251b74e89baee388508c02f581ce26d3e619428558ccd6b"`
[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 num-complex v0.2.1
[INFO] [stderr]    Compiling time v0.1.42
[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 enum-map-internals v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enum-map v0.5.0
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.snakers.11ovj0ib-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22" "/opt/crater/target/debug/deps/snakers-28870226b6b38e22.3uqzkdfl3n99zigm.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/librand-a97c2cc8cf8d08b9.rlib" "/opt/crater/target/debug/deps/librand_xorshift-15cb6a18b6c74131.rlib" "/opt/crater/target/debug/deps/librand_pcg-9dd28ba596d159b3.rlib" "/opt/crater/target/debug/deps/librand_hc-3f70f11e485734e0.rlib" "/opt/crater/target/debug/deps/librand_chacha-5858715fa3376b59.rlib" "/opt/crater/target/debug/deps/librand_isaac-89e2c3e133c46472.rlib" "/opt/crater/target/debug/deps/librand_core-4e8f985719ac1648.rlib" "/opt/crater/target/debug/deps/librand_os-27b1ca81cc44a96f.rlib" "/opt/crater/target/debug/deps/librand_jitter-1af54788be29219f.rlib" "/opt/crater/target/debug/deps/librand_core-b87567e86349098d.rlib" "/opt/crater/target/debug/deps/libcursive-e184d8de91c58692.rlib" "/opt/crater/target/debug/deps/libchrono-d6af041d23dab185.rlib" "/opt/crater/target/debug/deps/libtime-9bc215e993a4437c.rlib" "/opt/crater/target/debug/deps/libncurses-b8c194ded46da1c6.rlib" "/opt/crater/target/debug/deps/libmaplit-a5685f2e36919e59.rlib" "/opt/crater/target/debug/deps/libsignal_hook-3808528f3f1df223.rlib" "/opt/crater/target/debug/deps/libsignal_hook_registry-57d3ba181b312a2f.rlib" "/opt/crater/target/debug/deps/libarc_swap-43b0fda1e29effb0.rlib" "/opt/crater/target/debug/deps/liblibc-d1074a238611feff.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-f3cee7551ae37dc2.rlib" "/opt/crater/target/debug/deps/libsmallvec-24a19cb54d0ff037.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-4e506fb042a46f4d.rlib" "/opt/crater/target/debug/deps/libowning_ref-effe362413e7ab7d.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-d0a4946e4c2703bb.rlib" "/opt/crater/target/debug/deps/libnum-193d5dca5501f900.rlib" "/opt/crater/target/debug/deps/libnum_rational-1341a776f6a07476.rlib" "/opt/crater/target/debug/deps/libnum_iter-9b3afa0692a08fc5.rlib" "/opt/crater/target/debug/deps/libnum_integer-a0cd07deade62d39.rlib" "/opt/crater/target/debug/deps/libnum_complex-da86d44bffea9912.rlib" "/opt/crater/target/debug/deps/libhashbrown-f937ecb15d894d8e.rlib" "/opt/crater/target/debug/deps/libtoml-d1940f0375c314b6.rlib" "/opt/crater/target/debug/deps/libserde-40eec1d07f03d6fd.rlib" "/opt/crater/target/debug/deps/liblog-07fd344e6693ff96.rlib" "/opt/crater/target/debug/deps/libcfg_if-cf9b915f175eb0bb.rlib" "/opt/crater/target/debug/deps/libenum_map-3cf4bf5a64ae67c6.rlib" "/opt/crater/target/debug/deps/libenum_map_internals-8dee8fa60f806465.rlib" "/opt/crater/target/debug/deps/libarray_macro-72114f8b3227caa2.rlib" "/opt/crater/target/debug/deps/libenumset-a9ce12a6a2481164.rlib" "/opt/crater/target/debug/deps/libnum_traits-6fcbcb1c96aaee98.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/liblazy_static-eb33edc716f69401.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 `snakers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9cb29efe9345d30f1251b74e89baee388508c02f581ce26d3e619428558ccd6b"`
[INFO] running `"docker" "rm" "-f" "9cb29efe9345d30f1251b74e89baee388508c02f581ce26d3e619428558ccd6b"`
[INFO] [stdout] 9cb29efe9345d30f1251b74e89baee388508c02f581ce26d3e619428558ccd6b