[INFO] updating cached repository mikeycgto/ruru-rstring-encoding
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mikeycgto/ruru-rstring-encoding
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mikeycgto/ruru-rstring-encoding" "work/ex/beta-1.37-6/sources/1.36.0/gh/mikeycgto/ruru-rstring-encoding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mikeycgto/ruru-rstring-encoding'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mikeycgto/ruru-rstring-encoding" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikeycgto/ruru-rstring-encoding"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikeycgto/ruru-rstring-encoding'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 580edf61e9c0942706726a4bd3b5cfa2c62b2520
[INFO] sha for GitHub repo mikeycgto/ruru-rstring-encoding: 580edf61e9c0942706726a4bd3b5cfa2c62b2520
[INFO] validating manifest of mikeycgto/ruru-rstring-encoding 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 mikeycgto/ruru-rstring-encoding 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 mikeycgto/ruru-rstring-encoding
[INFO] finished frobbing mikeycgto/ruru-rstring-encoding
[INFO] frobbed toml for mikeycgto/ruru-rstring-encoding written to work/ex/beta-1.37-6/sources/1.36.0/gh/mikeycgto/ruru-rstring-encoding/Cargo.toml
[INFO] started frobbing mikeycgto/ruru-rstring-encoding
[INFO] finished frobbing mikeycgto/ruru-rstring-encoding
[INFO] frobbed toml for mikeycgto/ruru-rstring-encoding written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mikeycgto/ruru-rstring-encoding/Cargo.toml
[INFO] crate mikeycgto/ruru-rstring-encoding 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 mikeycgto/ruru-rstring-encoding 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-6/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/mikeycgto/ruru-rstring-encoding:/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] af570bff31a33c1f19e2f26b0d90c2c69619d1dfc1706f02133e434b236d166a
[INFO] running `"docker" "start" "-a" "af570bff31a33c1f19e2f26b0d90c2c69619d1dfc1706f02133e434b236d166a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling ruru v0.9.3
[INFO] [stderr]    Compiling ruru-rstring-encoding 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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/ruru_rstring_encoding.ruru_rstring_encoding.68bx8681-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ruru_rstring_encoding.ruru_rstring_encoding.68bx8681-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ruru_rstring_encoding.ruru_rstring_encoding.68bx8681-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ruru_rstring_encoding.ruru_rstring_encoding.68bx8681-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ruru_rstring_encoding.ruru_rstring_encoding.68bx8681-cgu.4.rcgu.o" "-o" "/opt/crater/target/debug/deps/libruru_rstring_encoding.so" "-Wl,--version-script=/tmp/rustcHFDijg/list" "/opt/crater/target/debug/deps/ruru_rstring_encoding.37oboifcuat2kl5y.rcgu.o" "/opt/crater/target/debug/deps/ruru_rstring_encoding.4zuyde7k1u3hm7kz.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib" "-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" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libruru-9e95635e1d7b81d7.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libruby_sys-76d355358dc53c6b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/liblibc-3e8a307d81baba4b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/liblazy_static-324b27031227093c.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libstd-a80a1e8e09cafef8.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libpanic_unwind-e0e6351da805c468.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libbacktrace-e04f54bafc95e331.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libbacktrace_sys-67901d3322495bd5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/librustc_demangle-bd390b1abaceaec1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libhashbrown-312dd37fdc7bedfc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libunwind-8a423c320a6c707f.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libcfg_if-d6a95598e2238263.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/liblibc-d231614b153016eb.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/liballoc-3821619027f463e4.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/librustc_std_workspace_core-1cfd794d18771a44.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcHFDijg/libcore-dcf33cf10c2452ef.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcHFDijg/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lruby-2.3" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lruby-2.3
[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 `ruru-rstring-encoding`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "af570bff31a33c1f19e2f26b0d90c2c69619d1dfc1706f02133e434b236d166a"`
[INFO] running `"docker" "rm" "-f" "af570bff31a33c1f19e2f26b0d90c2c69619d1dfc1706f02133e434b236d166a"`
[INFO] [stdout] af570bff31a33c1f19e2f26b0d90c2c69619d1dfc1706f02133e434b236d166a