[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f0ea6bbdca595b691b66c88a3fcdefdce8d2557
[INFO] testing malcx95/ascii-christmas-tree against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malcx95/ascii-christmas-tree on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-10/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1d7883502e3ef9ccc7acc86db1f02cd81d0c2092e0e8101e08dd872a07bec0b
[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" "b1d7883502e3ef9ccc7acc86db1f02cd81d0c2092e0e8101e08dd872a07bec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1d7883502e3ef9ccc7acc86db1f02cd81d0c2092e0e8101e08dd872a07bec0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d7883502e3ef9ccc7acc86db1f02cd81d0c2092e0e8101e08dd872a07bec0b", kill_on_drop: false }`
[INFO] [stdout] b1d7883502e3ef9ccc7acc86db1f02cd81d0c2092e0e8101e08dd872a07bec0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2201d4b01ec70a609faa4087b0cad60c72c5e33c7f82714100ed79f5757d720e
[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" "2201d4b01ec70a609faa4087b0cad60c72c5e33c7f82714100ed79f5757d720e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling nalgebra v0.10.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[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-client v0.5.12
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling caca_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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] 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] 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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.caca_tree.4b452aaz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015" "/opt/rustwide/target/debug/deps/caca_tree-2da87b9bcda4c015.1gvoa48jkcqj038o.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnalgebra-3eac5370095ff2a5.rlib" "/opt/rustwide/target/debug/deps/libnum-ae7c8b39f6988e2b.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-c1949806f7ae25dc.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-5284cc4136979616.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-5e2d551991fe2dcb.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-950821ccc006961f.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-796502dbe365111a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9b4027b6158eded1.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-5419d0ceabda1a5f.rlib" "/opt/rustwide/target/debug/deps/libglium-0cc8826a24ec2807.rlib" "/opt/rustwide/target/debug/deps/libglutin-adaf0ecc9763d2c3.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-52cfc0328ccba89c.rlib" "/opt/rustwide/target/debug/deps/libtempfile-e595cf7f138cee81.rlib" "/opt/rustwide/target/debug/deps/librand-2d99607a3d571317.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6cddcccd56d44b5d.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-bb0162843d13c0e7.rlib" "/opt/rustwide/target/debug/deps/libmemmap-6de00f4b6a73cb73.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-b40cf11f71ec4219.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-2bbdae5f057af7f6.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-46e304f69dbd2681.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-a620965283095e55.rlib" "/opt/rustwide/target/debug/deps/libdlib-a24b105d792fcfaa.rlib" "/opt/rustwide/target/debug/deps/liblibloading-77f7229ae64eca24.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-6b5170e65d5bab48.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-8ecf6e49345b5bd5.rlib" "/opt/rustwide/target/debug/deps/libshared_library-bf6872e2120a0041.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-cacd07e96981e77a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-a5fe215a2c6770d9.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-a1a9b22b3342432d.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-bb1e9b9c91f65547.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e520603e5e391271.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-a8e91854f2a89c0f.rlib" "/opt/rustwide/target/debug/deps/libwinapi-08f0135bab856b5b.rlib" "/opt/rustwide/target/debug/deps/libkernel32-cceb62b1a55bf6d7.rlib" "/opt/rustwide/target/debug/deps/liblibc-ccaf77f648b5094b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4742f6ccc7d0ed2b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[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" "2201d4b01ec70a609faa4087b0cad60c72c5e33c7f82714100ed79f5757d720e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2201d4b01ec70a609faa4087b0cad60c72c5e33c7f82714100ed79f5757d720e", kill_on_drop: false }`
[INFO] [stdout] 2201d4b01ec70a609faa4087b0cad60c72c5e33c7f82714100ed79f5757d720e