[INFO] updating cached repository https://github.com/ddowl/snakers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ee47b151509b6a55e95afb015eb80bc3e1cae70
[INFO] testing ddowl/snakers against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddowl%2Fsnakers" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddowl/snakers on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ddowl/snakers
[INFO] finished tweaking git repo https://github.com/ddowl/snakers
[INFO] tweaked toml for git repo https://github.com/ddowl/snakers written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ddowl/snakers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc58aabcb58fe093ed62e3a4507906af3a9ad2a7d09a61a3d029c11cf343c855
[INFO] running `"docker" "start" "-a" "dc58aabcb58fe093ed62e3a4507906af3a9ad2a7d09a61a3d029c11cf343c855"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling array-macro v1.0.3
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling enum-map-internals v0.1.2
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[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/rustwide/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/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.snakers.6iz10cqv-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905" "/opt/rustwide/target/debug/deps/snakers-15139a96efda3905.39tu2t1pb8p3wba3.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-4be24a63fcbe1069.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-b89e9be76dd5ebdb.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-3a519fbcee54b706.rlib" "/opt/rustwide/target/debug/deps/librand_hc-458e9d01f330c516.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-d440540607dda80d.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-383ffb82adde40d9.rlib" "/opt/rustwide/target/debug/deps/librand_core-e860bcf581bc8c7b.rlib" "/opt/rustwide/target/debug/deps/librand_os-44d231d1d3842d82.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-d1abb610e359825d.rlib" "/opt/rustwide/target/debug/deps/librand_core-efb9f61e179ac79b.rlib" "/opt/rustwide/target/debug/deps/libcursive-e0dd410d4c24bc41.rlib" "/opt/rustwide/target/debug/deps/libchrono-db2d84252c5b3c46.rlib" "/opt/rustwide/target/debug/deps/libtime-465decdbcd76b791.rlib" "/opt/rustwide/target/debug/deps/libncurses-19dd68a75ffd064d.rlib" "/opt/rustwide/target/debug/deps/libmaplit-3ab1354c9433c873.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook-68519e0041431e2f.rlib" "/opt/rustwide/target/debug/deps/libsignal_hook_registry-4bcf0789c99e9d99.rlib" "/opt/rustwide/target/debug/deps/libarc_swap-14fed2bb5d7a62f1.rlib" "/opt/rustwide/target/debug/deps/liblibc-caecbd6cb748eb48.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-3dd40af7c9cf470f.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-12357e88909bb027.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-d6d53ee3197b82c7.rlib" "/opt/rustwide/target/debug/deps/libowning_ref-80590ca2cac55881.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-9d32a297a8d5cb72.rlib" "/opt/rustwide/target/debug/deps/libnum-5abb4c978eb29786.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-a7ecbe982fda05b0.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-9d8734f70d5a9251.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-0be52b8af7f7156b.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-755ee1f6c6ee00c8.rlib" "/opt/rustwide/target/debug/deps/libhashbrown-2d218dc73404d3d3.rlib" "/opt/rustwide/target/debug/deps/libtoml-d9a763df99b24487.rlib" "/opt/rustwide/target/debug/deps/libserde-69b67b35ba1c7867.rlib" "/opt/rustwide/target/debug/deps/liblog-4e61ce44dc942ef5.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-445503145abd28c0.rlib" "/opt/rustwide/target/debug/deps/libenum_map-e792c1fbd34d4aea.rlib" "/opt/rustwide/target/debug/deps/libenum_map_internals-f86d1f2ce6a51b49.rlib" "/opt/rustwide/target/debug/deps/libarray_macro-d011e11d772336d5.rlib" "/opt/rustwide/target/debug/deps/libenumset-1b1a708ec9948da2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-68fd70438ca7dff7.rlib" "/opt/rustwide/target/debug/deps/libxi_unicode-343e341a00fd0506.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-f78fbbd60dd7eb4c.rlib" "/opt/rustwide/target/debug/deps/libunicode_segmentation-1b268c95e2bd35ba.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-871db668c04919c0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-62f93208e14fa8f0.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b2c4dbe979cef5e2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8b9b66cb3e9f891d.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5998b08bf29f56ac.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-efd1670396ccb585.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6435b9209e888961.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-866e5dfb603b34d2.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-75eac3089695b3b4.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-35744537b4825584.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f7ee5081d96fb2cd.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-5b28479cb639d76c.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic" "-lncursesw" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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" "dc58aabcb58fe093ed62e3a4507906af3a9ad2a7d09a61a3d029c11cf343c855"`
[INFO] running `"docker" "rm" "-f" "dc58aabcb58fe093ed62e3a4507906af3a9ad2a7d09a61a3d029c11cf343c855"`
[INFO] [stdout] dc58aabcb58fe093ed62e3a4507906af3a9ad2a7d09a61a3d029c11cf343c855