[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 1.54.0 for beta-1.55-1
[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 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f29f4f6c4c650f2289d9e84c518ccbc4c5bf7287493e8f3e0d4447b96b2ec9f
[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" "7f29f4f6c4c650f2289d9e84c518ccbc4c5bf7287493e8f3e0d4447b96b2ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f29f4f6c4c650f2289d9e84c518ccbc4c5bf7287493e8f3e0d4447b96b2ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f29f4f6c4c650f2289d9e84c518ccbc4c5bf7287493e8f3e0d4447b96b2ec9f", kill_on_drop: false }`
[INFO] [stdout] 7f29f4f6c4c650f2289d9e84c518ccbc4c5bf7287493e8f3e0d4447b96b2ec9f
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51642f547f7e4b281850edf88acfc005182d0da4a4bcfb626c18144abd0ba081
[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" "51642f547f7e4b281850edf88acfc005182d0da4a4bcfb626c18144abd0ba081", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.20
[INFO] [stderr]    Compiling dtoa v0.2.2
[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 rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling backtrace v0.2.3
[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 dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling rand v0.3.15
[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 num-integer v0.1.32
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling num-iter v0.1.32
[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 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] [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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.caca_tree.6zxljsx1-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0.1bpbxoc9l3nxt5rt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lcaca" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnalgebra-00afbd7c20a2e105.rlib" "/opt/rustwide/target/debug/deps/libnum-fb4ccbd8c3948402.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-5c77ce55679a97b6.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-8fb6268c59ce7481.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-b414fd7d8f6b70c7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-d0024a9725ae66bb.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-55e0e72c7376e67e.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-fe98a08e12f05a87.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-4bb12be1b5d4a015.rlib" "/opt/rustwide/target/debug/deps/libglium-dd2463a9203bb113.rlib" "/opt/rustwide/target/debug/deps/libglutin-2972854861b15840.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-97a1fc9d1e56fcb0.rlib" "/opt/rustwide/target/debug/deps/libtempfile-0eb27fc89011fa33.rlib" "/opt/rustwide/target/debug/deps/librand-9929230beb1621c6.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-e004547a8db9b5f4.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-cff4f82e776ffebf.rlib" "/opt/rustwide/target/debug/deps/libmemmap-38268a53ae10837f.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-10aab0dafcbe7a73.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-6a7fa1f7ffd34372.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-ae3b5313f9e2b06c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-978e17221328254a.rlib" "/opt/rustwide/target/debug/deps/libdlib-4bb83771cb80816e.rlib" "/opt/rustwide/target/debug/deps/liblibloading-72b84e371fa4439d.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-b32a0c344dd7dc44.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e460c828ac318c64.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-7d99031d0dcc8839.rlib" "/opt/rustwide/target/debug/deps/libshared_library-adff352002c9254c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4ce828f6624b3e5b.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-d0edc37b9dad4ef6.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-dc105d1c4fb80d1e.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b1a6a002b57d2c79.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b04be3535e5be880.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-88e930df24bbaa49.rlib" "/opt/rustwide/target/debug/deps/libwinapi-603ff5f75172bf08.rlib" "/opt/rustwide/target/debug/deps/libkernel32-e4d8c3f315d93e21.rlib" "/opt/rustwide/target/debug/deps/liblibc-17da958ff7936609.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-d6bf8b97f209dc56.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.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/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/caca_tree-ed16cbdc8b5e88e0" "-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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "51642f547f7e4b281850edf88acfc005182d0da4a4bcfb626c18144abd0ba081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51642f547f7e4b281850edf88acfc005182d0da4a4bcfb626c18144abd0ba081", kill_on_drop: false }`
[INFO] [stdout] 51642f547f7e4b281850edf88acfc005182d0da4a4bcfb626c18144abd0ba081
