[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalcx95%2Fascii-christmas-tree" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/malcx95/ascii-christmas-tree on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.8.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08aac37bdede80ff2496f9eec0f7d662ac1c3f64fb9794818f784027734892f9
[INFO] running `Command { std: "docker" "start" "-a" "08aac37bdede80ff2496f9eec0f7d662ac1c3f64fb9794818f784027734892f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08aac37bdede80ff2496f9eec0f7d662ac1c3f64fb9794818f784027734892f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aac37bdede80ff2496f9eec0f7d662ac1c3f64fb9794818f784027734892f9", kill_on_drop: false }`
[INFO] [stdout] 08aac37bdede80ff2496f9eec0f7d662ac1c3f64fb9794818f784027734892f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85277571c0ab835a75a7019bf57b1e7912376aa73629279e38509abd2fa6743c
[INFO] running `Command { std: "docker" "start" "-a" "85277571c0ab835a75a7019bf57b1e7912376aa73629279e38509abd2fa6743c", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling memmap v0.2.3
[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 phf_codegen v0.7.20
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling x11-dl v2.11.0
[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 backtrace-sys v0.1.5
[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 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-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:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     try!(file.read_to_string(&mut contents));
[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:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.caca_tree.5457349e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495.2f66g8a1hg9nr84u.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnalgebra-90b5467ed664bf0e.rlib" "/opt/rustwide/target/debug/deps/libnum-e70f91392264f93d.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-51ab4b8c1a53c69c.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-63e6b8f815098d2d.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-99eec8538beb170b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-4ef9fa8494ce5e6a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f5a63bcd4586c536.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-f1d210ce221d3eaa.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-011ff5fc5e986af5.rlib" "/opt/rustwide/target/debug/deps/libglium-336942f4cd37e781.rlib" "/opt/rustwide/target/debug/deps/libglutin-b22acfe60c2c1466.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-d7053d8a90b79330.rlib" "/opt/rustwide/target/debug/deps/libtempfile-284f7ab9f3c42ab1.rlib" "/opt/rustwide/target/debug/deps/librand-e66c94776099dde8.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2fad981905ad5be3.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-7afa00444520ba99.rlib" "/opt/rustwide/target/debug/deps/libmemmap-7d14df42e633669f.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-6d2ad9b47d053587.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-0839ffad6301df51.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-be8b4fe3f89ab90d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-561efb6b7494b9da.rlib" "/opt/rustwide/target/debug/deps/libdlib-5814c769c2818c12.rlib" "/opt/rustwide/target/debug/deps/liblibloading-2e115dc642f03dfb.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-d4cfd2ab68b49569.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9d0cc7cd35f17e7b.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-ebafa3bd3d9492e8.rlib" "/opt/rustwide/target/debug/deps/libshared_library-17fef9c8956ee69a.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-b589d0f5de4cfdb4.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-56200a849a63002b.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-708ab6c2b1452ac5.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-8ca5a32b7bbc0a7d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-38b96c3ead41da3e.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-7985cf1a1591b356.rlib" "/opt/rustwide/target/debug/deps/libwinapi-9c98d1bc6d82ae57.rlib" "/opt/rustwide/target/debug/deps/libkernel32-74e59be540f510ff.rlib" "/opt/rustwide/target/debug/deps/liblibc-4f2ae9be98f1b8b6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-1a39772139afb50b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/caca_tree-5ad31c30b767b495" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[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` due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "85277571c0ab835a75a7019bf57b1e7912376aa73629279e38509abd2fa6743c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85277571c0ab835a75a7019bf57b1e7912376aa73629279e38509abd2fa6743c", kill_on_drop: false }`
[INFO] [stdout] 85277571c0ab835a75a7019bf57b1e7912376aa73629279e38509abd2fa6743c