[INFO] cloning repository https://github.com/malcx95/ascii-christmas-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malcx95/ascii-christmas-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] testing malcx95/ascii-christmas-tree against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malcx95/ascii-christmas-tree on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/malcx95/ascii-christmas-tree
[INFO] finished tweaking git repo https://github.com/malcx95/ascii-christmas-tree
[INFO] tweaked toml for git repo https://github.com/malcx95/ascii-christmas-tree written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/malcx95/ascii-christmas-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-scanner v0.5.11
[INFO] [stderr]   Downloaded nalgebra v0.10.1
[INFO] [stderr]   Downloaded memmap v0.2.3
[INFO] [stderr]   Downloaded gcc v0.3.40
[INFO] [stderr]   Downloaded cgl v0.1.5
[INFO] [stderr]   Downloaded cocoa v0.3.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.2
[INFO] [stderr]   Downloaded dwmapi-sys v0.1.0
[INFO] [stderr]   Downloaded gl_generator v0.5.2
[INFO] [stderr]   Downloaded android_glue v0.2.1
[INFO] [stderr]   Downloaded core-foundation v0.2.2
[INFO] [stderr]   Downloaded gdi32-sys v0.1.1
[INFO] [stderr]   Downloaded core-graphics v0.3.2
[INFO] [stderr]   Downloaded dlib v0.3.1
[INFO] [stderr]   Downloaded serde v0.8.20
[INFO] [stderr]   Downloaded user32-sys v0.1.2
[INFO] [stderr]   Downloaded tempfile v2.1.4
[INFO] [stderr]   Downloaded libloading v0.3.1
[INFO] [stderr]   Downloaded shell32-sys v0.1.1
[INFO] [stderr]   Downloaded khronos_api v1.0.0
[INFO] [stderr]   Downloaded x11-dl v2.11.0
[INFO] [stderr]   Downloaded target_build_utils v0.1.2
[INFO] [stderr]   Downloaded smallvec v0.1.8
[INFO] [stderr]   Downloaded serde v0.7.15
[INFO] [stderr]   Downloaded wayland-sys v0.5.11
[INFO] [stderr]   Downloaded pkg-config v0.3.8
[INFO] [stderr]   Downloaded wayland-kbd v0.3.6
[INFO] [stderr]   Downloaded xml-rs v0.3.5
[INFO] [stderr]   Downloaded wayland-window v0.2.3
[INFO] [stderr]   Downloaded wayland-client v0.5.12
[INFO] [stderr]   Downloaded fs2 v0.2.5
[INFO] [stderr]   Downloaded gleam v0.2.29
[INFO] [stderr]   Downloaded glium v0.15.0
[INFO] [stderr]   Downloaded shared_library v0.1.5
[INFO] [stderr]   Downloaded glutin v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 601e4917631452f088016268ac25dd6eeadb58c14daab693dde8295fcb476226
[INFO] running `Command { std: "docker" "start" "-a" "601e4917631452f088016268ac25dd6eeadb58c14daab693dde8295fcb476226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601e4917631452f088016268ac25dd6eeadb58c14daab693dde8295fcb476226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601e4917631452f088016268ac25dd6eeadb58c14daab693dde8295fcb476226", kill_on_drop: false }`
[INFO] [stdout] 601e4917631452f088016268ac25dd6eeadb58c14daab693dde8295fcb476226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 598c9744deb3a49a2e2bcc8e7bb6c1d227bb47758d4cc9d9009d69e595d0ceb0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "598c9744deb3a49a2e2bcc8e7bb6c1d227bb47758d4cc9d9009d69e595d0ceb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[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 num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.35
[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-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling caca_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn init_caca() -> Result<(*mut libcaca_ffi::caca_display_t), String> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     try!(file.read_to_string(&mut contents));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.caca_tree.dy15cidz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5" "/opt/rustwide/target/debug/deps/caca_tree-150ff6774a6ab6d5.1zzyp8v5wjp0r0yc.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnalgebra-3d8d63f2b5108ff2.rlib" "/opt/rustwide/target/debug/deps/libnum-5e10ddccfb804ffa.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-1c8d9cfda90b0e76.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-1c55d317c05b9e57.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-5ac66d35b109c404.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-4effa3dc2fb02496.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-a0123cdab45557ad.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a395d40e3bf3124b.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-f3ade2eaa0b9ff4d.rlib" "/opt/rustwide/target/debug/deps/libglium-9413846f2fb732e8.rlib" "/opt/rustwide/target/debug/deps/libglutin-33f35d6427dc51a8.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-ebd6657be616c455.rlib" "/opt/rustwide/target/debug/deps/libtempfile-abc8cc1f3ecc50bc.rlib" "/opt/rustwide/target/debug/deps/librand-3b8e1e9b3f8b591e.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-d81d144a513b1792.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-de52aec6891d1103.rlib" "/opt/rustwide/target/debug/deps/libmemmap-926e4cd37d1a8064.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-3f0ee73f46f0bfe8.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-6c611c23623ca9b5.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-d13a4468a53cdcc4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-a119f8d0ff4af2b1.rlib" "/opt/rustwide/target/debug/deps/libdlib-9e39e400ecae7765.rlib" "/opt/rustwide/target/debug/deps/liblibloading-c808193642546a25.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-79ed902dd688441f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-171913864070e9c9.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-4c3c9e69d6d40ba1.rlib" "/opt/rustwide/target/debug/deps/libshared_library-431e2c6db8450560.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-993a1c889d237101.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-f88e6df25b1b705a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-0cbf28797b6493c5.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-98f38dcb11a75b41.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-fbaeb006ad3b6459.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-aa78f5ddb1a76b48.rlib" "/opt/rustwide/target/debug/deps/libwinapi-d7ba1d42122a8dcb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-993ceeac44ac178c.rlib" "/opt/rustwide/target/debug/deps/liblibc-0de6a5622c1c7aa8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2be739f272ebf2b4.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lcaca
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `caca_tree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "598c9744deb3a49a2e2bcc8e7bb6c1d227bb47758d4cc9d9009d69e595d0ceb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598c9744deb3a49a2e2bcc8e7bb6c1d227bb47758d4cc9d9009d69e595d0ceb0", kill_on_drop: false }`
[INFO] [stdout] 598c9744deb3a49a2e2bcc8e7bb6c1d227bb47758d4cc9d9009d69e595d0ceb0