[INFO] updating cached repository e-matteson/pipit-keyboard
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/e-matteson/pipit-keyboard
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/e-matteson/pipit-keyboard" "work/ex/beta-1.37-6/sources/1.36.0/gh/e-matteson/pipit-keyboard"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/e-matteson/pipit-keyboard'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/e-matteson/pipit-keyboard" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/e-matteson/pipit-keyboard"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/e-matteson/pipit-keyboard'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7c6c5e38ad2dbc26fa4ef02e99785d7a41116a4
[INFO] sha for GitHub repo e-matteson/pipit-keyboard: c7c6c5e38ad2dbc26fa4ef02e99785d7a41116a4
[INFO] validating manifest of e-matteson/pipit-keyboard 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 e-matteson/pipit-keyboard 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 e-matteson/pipit-keyboard
[INFO] finished frobbing e-matteson/pipit-keyboard
[INFO] frobbed toml for e-matteson/pipit-keyboard written to work/ex/beta-1.37-6/sources/1.36.0/gh/e-matteson/pipit-keyboard/Cargo.toml
[INFO] started frobbing e-matteson/pipit-keyboard
[INFO] finished frobbing e-matteson/pipit-keyboard
[INFO] frobbed toml for e-matteson/pipit-keyboard written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/e-matteson/pipit-keyboard/Cargo.toml
[INFO] crate e-matteson/pipit-keyboard 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing e-matteson/pipit-keyboard against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/e-matteson/pipit-keyboard:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0bd03abbd536c846e7b7eb5aced5c4da327b0be917721b38ccf2c96f86d737aa
[INFO] running `"docker" "start" "-a" "0bd03abbd536c846e7b7eb5aced5c4da327b0be917721b38ccf2c96f86d737aa"`
[INFO] [stderr]    Compiling serde v1.0.69
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling xi-unicode v0.1.0
[INFO] [stderr]    Compiling natord v1.0.9
[INFO] [stderr]    Compiling svg v0.5.11
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]    Compiling enumset v0.3.11
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.69
[INFO] [stderr]    Compiling enum-map v0.2.36
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling cursive v0.8.2
[INFO] [stderr]    Compiling pipit-keyboard v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/types/all_data.rs:161:29
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 if let Some(mut chord) = self.get_chord_in_mode(name, mode) {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/cheatsheet/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut pos = col_positions
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.main.4xgcqest-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9" "/opt/crater/target/debug/deps/main-b89785b1ab65d0f9.36gbg6rfmq7jz24b.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libclap-5a2312b738e44666.rlib" "/opt/crater/target/debug/deps/libvec_map-d15ddac8fbd5a1a7.rlib" "/opt/crater/target/debug/deps/libtextwrap-b9e8af68ddc86750.rlib" "/opt/crater/target/debug/deps/libstrsim-1fb548c623033a78.rlib" "/opt/crater/target/debug/deps/libbitflags-c8c60b0ee6ae609a.rlib" "/opt/crater/target/debug/deps/libatty-38aad69b397116b5.rlib" "/opt/crater/target/debug/deps/libansi_term-a8ee7a34610f25b5.rlib" "/opt/crater/target/debug/deps/liblazy_static-ce360ad8239cd02d.rlib" "/opt/crater/target/debug/deps/libtime-546becc09c6daac1.rlib" "/opt/crater/target/debug/deps/libsvg-101cf4092f5272a5.rlib" "/opt/crater/target/debug/deps/libserde_yaml-f921b9b58ac43e02.rlib" "/opt/crater/target/debug/deps/libyaml_rust-d2cff1090727133c.rlib" "/opt/crater/target/debug/deps/liblinked_hash_map-d9e6bb4548f90968.rlib" "/opt/crater/target/debug/deps/libdtoa-c3bbd8f968a8bf63.rlib" "/opt/crater/target/debug/deps/libnatord-cc9c250f5c846e4b.rlib" "/opt/crater/target/debug/deps/libitertools-c85b85448469f1df.rlib" "/opt/crater/target/debug/deps/libeither-88c841192ea25aec.rlib" "/opt/crater/target/debug/deps/libcursive-1710739e36c4020c.rlib" "/opt/crater/target/debug/deps/libncurses-a316985198ca3f0a.rlib" "/opt/crater/target/debug/deps/libxi_unicode-9f6fcb4238f45c55.rlib" "/opt/crater/target/debug/deps/libunicode_width-5c65625ac38072b6.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-9cdb6fcf4c16057e.rlib" "/opt/crater/target/debug/deps/libtoml-ffe0985dc4d624c8.rlib" "/opt/crater/target/debug/deps/libserde-eaee3cf116af95fc.rlib" "/opt/crater/target/debug/deps/libowning_ref-8dde42284f515ecd.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-20a889890fffda11.rlib" "/opt/crater/target/debug/deps/libnum-06599b3816cb6c7e.rlib" "/opt/crater/target/debug/deps/libnum_rational-0d6082558525539c.rlib" "/opt/crater/target/debug/deps/libnum_bigint-ca915675e74d327d.rlib" "/opt/crater/target/debug/deps/librand-57306556934ba085.rlib" "/opt/crater/target/debug/deps/liblibc-62bf195eedd01b9b.rlib" "/opt/crater/target/debug/deps/libnum_complex-197948c1e4c6786a.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libnum_iter-670faf21d430eb07.rlib" "/opt/crater/target/debug/deps/libnum_integer-333b07b4b36a5254.rlib" "/opt/crater/target/debug/deps/libmaplit-b1ac42c0ec6f0c7b.rlib" "/opt/crater/target/debug/deps/liblog-19362bde61578988.rlib" "/opt/crater/target/debug/deps/libcfg_if-1f3216900df7a07e.rlib" "/opt/crater/target/debug/deps/libenumset-3724796f0054fde3.rlib" "/opt/crater/target/debug/deps/libnum_traits-e125c33c63f9bbc7.rlib" "/opt/crater/target/debug/deps/libenum_map-7152b1c7c405e4dd.rlib" "/opt/crater/target/debug/deps/libreexport_proc_macro-ad6187e7a6441866.rlib" "/opt/crater/target/debug/deps/libarray_macro-57c537f99ea01f2a.rlib" "/opt/crater/target/debug/deps/libbyteorder-cbd6594c6e958d4b.rlib" "/opt/crater/target/debug/deps/libbit_vec-d205c01381308c9c.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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 `pipit-keyboard`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0bd03abbd536c846e7b7eb5aced5c4da327b0be917721b38ccf2c96f86d737aa"`
[INFO] running `"docker" "rm" "-f" "0bd03abbd536c846e7b7eb5aced5c4da327b0be917721b38ccf2c96f86d737aa"`
[INFO] [stdout] 0bd03abbd536c846e7b7eb5aced5c4da327b0be917721b38ccf2c96f86d737aa