[INFO] updating cached repository https://github.com/malcx95/ascii-christmas-tree
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] testing malcx95/ascii-christmas-tree against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malcx95/ascii-christmas-tree on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 61e67f9fad214f862b277c21b7bf8c600dd3fd73eaca108c5e230c06c67dda11
[INFO] running `"docker" "start" "-a" "61e67f9fad214f862b277c21b7bf8c600dd3fd73eaca108c5e230c06c67dda11"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[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 num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling serde_json v0.8.4
[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-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling caca_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut file = try!(File::open(path));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     try!(file.read_to_string(&mut contents));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn init_caca() -> Result<(*mut libcaca_ffi::caca_display_t), String> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.caca_tree.5gglqqaj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0" "/opt/rustwide/target/debug/deps/caca_tree-3f3b4cd0ca7312c0.41rmvj1r35om65px.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnalgebra-64d019717c4dd788.rlib" "/opt/rustwide/target/debug/deps/libnum-77d0912bb8a6647d.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-5e71d967844ec31d.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-c6a92cab606ba7ee.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-084e35d089f2f8aa.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-0ff6115acfc783e0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-de2fd437e03b997a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-171b1623b00a3c63.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-527fb6c93b5b0f2e.rlib" "/opt/rustwide/target/debug/deps/libglium-4cb5efdddbf65c2b.rlib" "/opt/rustwide/target/debug/deps/libglutin-a8b271b1d7c5b86c.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-05a267c70c22d526.rlib" "/opt/rustwide/target/debug/deps/libtempfile-fe1a211f047469e5.rlib" "/opt/rustwide/target/debug/deps/librand-abc8f70562b5a71f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-df12a759a99edaf3.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-2b92a442a0a7a0a0.rlib" "/opt/rustwide/target/debug/deps/libmemmap-e7b1b2a6f07f2f22.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-ba34d6a788a9e324.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-a543fc318a2813c6.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-572370cab77dcea1.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-668882bceb53d042.rlib" "/opt/rustwide/target/debug/deps/libdlib-1cc5fa2155f9a8f3.rlib" "/opt/rustwide/target/debug/deps/liblibloading-84b35957167d3601.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-4803ddcee578bb78.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2106c394414ab29b.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-6060ebcb6efd1573.rlib" "/opt/rustwide/target/debug/deps/libshared_library-f306c513a01ac6b6.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-a96ac49ad517fc26.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-2cc5e952eca942b1.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-b9779349947a9606.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-637630847693b450.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4ce6be6b55674710.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-6fc59348d4f477c3.rlib" "/opt/rustwide/target/debug/deps/libwinapi-0038aeeed11d463c.rlib" "/opt/rustwide/target/debug/deps/libkernel32-c8bbbe70f11db917.rlib" "/opt/rustwide/target/debug/deps/liblibc-36d6ae812c872b7d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-384dcc042ab28d9c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 3 warnings emitted
[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" "61e67f9fad214f862b277c21b7bf8c600dd3fd73eaca108c5e230c06c67dda11"`
[INFO] running `"docker" "rm" "-f" "61e67f9fad214f862b277c21b7bf8c600dd3fd73eaca108c5e230c06c67dda11"`
[INFO] [stdout] 61e67f9fad214f862b277c21b7bf8c600dd3fd73eaca108c5e230c06c67dda11