[INFO] updating cached repository malcx95/ascii-christmas-tree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/malcx95/ascii-christmas-tree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/malcx95/ascii-christmas-tree" "work/ex/beta-1.37-6/sources/1.36.0/gh/malcx95/ascii-christmas-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/malcx95/ascii-christmas-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malcx95/ascii-christmas-tree" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malcx95/ascii-christmas-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malcx95/ascii-christmas-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] sha for GitHub repo malcx95/ascii-christmas-tree: 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] validating manifest of malcx95/ascii-christmas-tree 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 malcx95/ascii-christmas-tree 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 malcx95/ascii-christmas-tree
[INFO] finished frobbing malcx95/ascii-christmas-tree
[INFO] frobbed toml for malcx95/ascii-christmas-tree written to work/ex/beta-1.37-6/sources/1.36.0/gh/malcx95/ascii-christmas-tree/Cargo.toml
[INFO] started frobbing malcx95/ascii-christmas-tree
[INFO] finished frobbing malcx95/ascii-christmas-tree
[INFO] frobbed toml for malcx95/ascii-christmas-tree written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/malcx95/ascii-christmas-tree/Cargo.toml
[INFO] crate malcx95/ascii-christmas-tree 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 malcx95/ascii-christmas-tree 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-3/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/malcx95/ascii-christmas-tree:/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] 9102bb2cb18ab34112b278f13b8e1caafd86d7d8e0b08b0ce4201a2b77ade1fa
[INFO] running `"docker" "start" "-a" "9102bb2cb18ab34112b278f13b8e1caafd86d7d8e0b08b0ce4201a2b77ade1fa"`
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling caca_tree 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/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.caca_tree.9se9rt1d-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1" "/opt/crater/target/debug/deps/caca_tree-175f5a12087b68a1.53inxmncgs0p2v9x.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" "-lcaca" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnalgebra-cd52c3908e4a2ee0.rlib" "/opt/crater/target/debug/deps/libnum-f11ddd89e2844fc2.rlib" "/opt/crater/target/debug/deps/libnum_rational-eeb95ac06be1cc7a.rlib" "/opt/crater/target/debug/deps/libnum_bigint-1a5197f1b40ceb4f.rlib" "/opt/crater/target/debug/deps/libnum_complex-29c209ff0b314401.rlib" "/opt/crater/target/debug/deps/libnum_iter-7d98a21e517a65d0.rlib" "/opt/crater/target/debug/deps/libnum_integer-8a09fe7937dd25b9.rlib" "/opt/crater/target/debug/deps/libnum_traits-45b07fd770ac50a5.rlib" "/opt/crater/target/debug/deps/librustc_serialize-788fa727d6d1b52d.rlib" "/opt/crater/target/debug/deps/libglium-894ae664562429b7.rlib" "/opt/crater/target/debug/deps/libglutin-2ced37aed60df71f.rlib" "/opt/crater/target/debug/deps/libwayland_window-d0afdd959b56c4e3.rlib" "/opt/crater/target/debug/deps/libtempfile-c2e30bec52dc580b.rlib" "/opt/crater/target/debug/deps/librand-d6cdb6aa01ee7a70.rlib" "/opt/crater/target/debug/deps/libbyteorder-22baa336c5b59722.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-063270df8c89f1ac.rlib" "/opt/crater/target/debug/deps/libmemmap-732b1359c612d963.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-2302d654838e8d19.rlib" "/opt/crater/target/debug/deps/libwayland_client-026dd1dfe1dc6d32.rlib" "/opt/crater/target/debug/deps/libwayland_sys-327e7f254ea81227.rlib" "/opt/crater/target/debug/deps/liblazy_static-f0ae2b35d74e16dd.rlib" "/opt/crater/target/debug/deps/libdlib-a48391d7a89f574e.rlib" "/opt/crater/target/debug/deps/liblibloading-6c0c1267fc168ff2.rlib" "/opt/crater/target/debug/deps/libcrossbeam-727cb0fddca831d2.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libx11_dl-a9a64f7729e31b6d.rlib" "/opt/crater/target/debug/deps/libshared_library-90cd416922125a1d.rlib" "/opt/crater/target/debug/deps/libsmallvec-d5983406a4a9d722.rlib" "/opt/crater/target/debug/deps/libbacktrace-a6646336e29db2e7.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-c8477218468fcc42.rlib" "/opt/crater/target/debug/deps/librustc_demangle-7e1e84fc0d2949f5.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libdbghelp-610e6a484d3f70b3.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/libkernel32-f16f9b42bdd87fed.rlib" "/opt/crater/target/debug/deps/liblibc-1466dc2378834e22.rlib" "/opt/crater/target/debug/deps/liblazy_static-324b27031227093c.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" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lcaca
[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 `caca_tree`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9102bb2cb18ab34112b278f13b8e1caafd86d7d8e0b08b0ce4201a2b77ade1fa"`
[INFO] running `"docker" "rm" "-f" "9102bb2cb18ab34112b278f13b8e1caafd86d7d8e0b08b0ce4201a2b77ade1fa"`
[INFO] [stdout] 9102bb2cb18ab34112b278f13b8e1caafd86d7d8e0b08b0ce4201a2b77ade1fa