[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cc4219c2787515fc581cecea327acd796bd262db64ae3898fdb8a1ecb7ac930c
[INFO] running `"docker" "start" "-a" "cc4219c2787515fc581cecea327acd796bd262db64ae3898fdb8a1ecb7ac930c"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[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 memmap v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[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 serde_json v0.8.4
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.caca_tree.4tnm7pex-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe" "/opt/crater/target/debug/deps/caca_tree-9bbe293b2cbe07fe.58lcqi0b2h2kwvte.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnalgebra-b1c151a73796ae93.rlib" "/opt/crater/target/debug/deps/libnum-ada301778b0bf9ec.rlib" "/opt/crater/target/debug/deps/libnum_rational-3f297cee615ba3c5.rlib" "/opt/crater/target/debug/deps/libnum_bigint-ebd906f84566af57.rlib" "/opt/crater/target/debug/deps/libnum_complex-a1ee89caa8552793.rlib" "/opt/crater/target/debug/deps/libnum_iter-b7c7094018b9b4e5.rlib" "/opt/crater/target/debug/deps/libnum_integer-1bb350ebdb52db08.rlib" "/opt/crater/target/debug/deps/libnum_traits-0b49cd367c6da4a1.rlib" "/opt/crater/target/debug/deps/librustc_serialize-eee3b26c21f1fbaf.rlib" "/opt/crater/target/debug/deps/libglium-ae2a55dc546ef57d.rlib" "/opt/crater/target/debug/deps/libglutin-4cfcec01221fce71.rlib" "/opt/crater/target/debug/deps/libwayland_window-58b53eb734df44b6.rlib" "/opt/crater/target/debug/deps/libtempfile-b8c6918cc741f106.rlib" "/opt/crater/target/debug/deps/librand-28296c9a91207140.rlib" "/opt/crater/target/debug/deps/libbyteorder-a3968c370c7b24cf.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-9b48f0d238ea20b8.rlib" "/opt/crater/target/debug/deps/libmemmap-daf5d1ef655b2661.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-0feb5cf044b3f8c6.rlib" "/opt/crater/target/debug/deps/libwayland_client-d2727d9a823a15d5.rlib" "/opt/crater/target/debug/deps/libwayland_sys-2d93b5a22cfe9d02.rlib" "/opt/crater/target/debug/deps/liblazy_static-77397d332fc5c1af.rlib" "/opt/crater/target/debug/deps/libdlib-39056bbaff95a806.rlib" "/opt/crater/target/debug/deps/liblibloading-6649e9785ac62ee2.rlib" "/opt/crater/target/debug/deps/libcrossbeam-00cea4f0abee8667.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libx11_dl-fce67db3a5c91947.rlib" "/opt/crater/target/debug/deps/libshared_library-036ecfa0dea3f9b1.rlib" "/opt/crater/target/debug/deps/libsmallvec-1e4a6f6633b9c71f.rlib" "/opt/crater/target/debug/deps/libbacktrace-1bc6ee7d9aae217e.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-368c790ebe56cc85.rlib" "/opt/crater/target/debug/deps/librustc_demangle-550740f22608ec8c.rlib" "/opt/crater/target/debug/deps/libcfg_if-55146e185022d321.rlib" "/opt/crater/target/debug/deps/libdbghelp-94ab056f98c942bf.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/libkernel32-68d3558eb82f9807.rlib" "/opt/crater/target/debug/deps/liblibc-e7a8e468d1534af4.rlib" "/opt/crater/target/debug/deps/liblazy_static-287e3c5731c128ca.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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" "cc4219c2787515fc581cecea327acd796bd262db64ae3898fdb8a1ecb7ac930c"`
[INFO] running `"docker" "rm" "-f" "cc4219c2787515fc581cecea327acd796bd262db64ae3898fdb8a1ecb7ac930c"`
[INFO] [stdout] cc4219c2787515fc581cecea327acd796bd262db64ae3898fdb8a1ecb7ac930c