[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-1.38-1/sources/1.37.0/gh/malcx95/ascii-christmas-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/malcx95/ascii-christmas-tree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malcx95/ascii-christmas-tree" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malcx95/ascii-christmas-tree"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of malcx95/ascii-christmas-tree 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 malcx95/ascii-christmas-tree
[INFO] finished frobbing malcx95/ascii-christmas-tree
[INFO] frobbed toml for malcx95/ascii-christmas-tree written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing malcx95/ascii-christmas-tree against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 84ac0e3a6a172964647a45e5403f9dcad7b3af69ea4deaaa40c1b3c84a85a9ae
[INFO] running `"docker" "start" "-a" "84ac0e3a6a172964647a45e5403f9dcad7b3af69ea4deaaa40c1b3c84a85a9ae"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.caca_tree.2ncpblii-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b" "/opt/crater/target/debug/deps/caca_tree-45e2cfab6d946c6b.bdgaqydyjd27d8c.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnalgebra-0d63e6e290eebc7d.rlib" "/opt/crater/target/debug/deps/libnum-e73e28a46480f35b.rlib" "/opt/crater/target/debug/deps/libnum_rational-7abb305a2ebe864e.rlib" "/opt/crater/target/debug/deps/libnum_bigint-cc7537b57b253dea.rlib" "/opt/crater/target/debug/deps/libnum_complex-6a21746f579050f8.rlib" "/opt/crater/target/debug/deps/libnum_iter-0c80d544ba1f8bd7.rlib" "/opt/crater/target/debug/deps/libnum_integer-4739295d8bcfef2e.rlib" "/opt/crater/target/debug/deps/libnum_traits-cf072775152a8823.rlib" "/opt/crater/target/debug/deps/librustc_serialize-9d882fed622c6e9e.rlib" "/opt/crater/target/debug/deps/libglium-ef67adb09c431006.rlib" "/opt/crater/target/debug/deps/libglutin-0365e9a68f9eac28.rlib" "/opt/crater/target/debug/deps/libwayland_window-57c02a34afddee46.rlib" "/opt/crater/target/debug/deps/libtempfile-7338b3fba3ad0f3d.rlib" "/opt/crater/target/debug/deps/librand-3155e97dc819178f.rlib" "/opt/crater/target/debug/deps/libbyteorder-28a061140ed2d54c.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-c5562949c7a2f04a.rlib" "/opt/crater/target/debug/deps/libmemmap-2492456ab0a65515.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-816e588e7069bbde.rlib" "/opt/crater/target/debug/deps/libwayland_client-db4e95ceda0385a2.rlib" "/opt/crater/target/debug/deps/libwayland_sys-f08b3bf6f9cd7547.rlib" "/opt/crater/target/debug/deps/liblazy_static-c329193024da829b.rlib" "/opt/crater/target/debug/deps/libdlib-d1a9a9cab784cd7f.rlib" "/opt/crater/target/debug/deps/liblibloading-40357f01787bfb3d.rlib" "/opt/crater/target/debug/deps/libcrossbeam-c53389e74d4c495f.rlib" "/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rlib" "/opt/crater/target/debug/deps/libx11_dl-93bbf64d6dad83c6.rlib" "/opt/crater/target/debug/deps/libshared_library-f0d3def2bfcec41e.rlib" "/opt/crater/target/debug/deps/libsmallvec-7c0ac661bdd99f33.rlib" "/opt/crater/target/debug/deps/libbacktrace-f11928a10d002427.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-2c6808a2201afa04.rlib" "/opt/crater/target/debug/deps/librustc_demangle-a63e03c53d847d30.rlib" "/opt/crater/target/debug/deps/libcfg_if-e594ac7fa20b1aa3.rlib" "/opt/crater/target/debug/deps/libdbghelp-d860676abe2fb31b.rlib" "/opt/crater/target/debug/deps/libwinapi-be47d272a993a950.rlib" "/opt/crater/target/debug/deps/libkernel32-ed10b6f453a27092.rlib" "/opt/crater/target/debug/deps/liblibc-a442291025725117.rlib" "/opt/crater/target/debug/deps/liblazy_static-5b3a6350224c4bac.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.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" "84ac0e3a6a172964647a45e5403f9dcad7b3af69ea4deaaa40c1b3c84a85a9ae"`
[INFO] running `"docker" "rm" "-f" "84ac0e3a6a172964647a45e5403f9dcad7b3af69ea4deaaa40c1b3c84a85a9ae"`
[INFO] [stdout] 84ac0e3a6a172964647a45e5403f9dcad7b3af69ea4deaaa40c1b3c84a85a9ae