[INFO] cloning repository https://github.com/floriama/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floriama/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beda31dcd3337ce992fc99317ad28935cc432890
[INFO] testing floriama/mandelbrot against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot" "/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/floriama/mandelbrot on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/floriama/mandelbrot
[INFO] finished tweaking git repo https://github.com/floriama/mandelbrot
[INFO] tweaked toml for git repo https://github.com/floriama/mandelbrot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/floriama/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11-dl v2.12.0
[INFO] [stderr]   Downloaded serde v0.8.22
[INFO] [stderr]   Downloaded gleam v0.2.30
[INFO] [stderr]   Downloaded siphasher v0.2.0
[INFO] [stderr]   Downloaded winit v0.5.7
[INFO] [stderr]   Downloaded wayland-window v0.4.3
[INFO] [stderr]   Downloaded core-graphics v0.5.0
[INFO] [stderr]   Downloaded wayland-scanner v0.7.6
[INFO] [stderr]   Downloaded xml-rs v0.3.5
[INFO] [stderr]   Downloaded wayland-sys v0.7.6
[INFO] [stderr]   Downloaded gcc v0.3.41
[INFO] [stderr]   Downloaded glutin v0.7.2
[INFO] [stderr]   Downloaded cocoa v0.5.3
[INFO] [stderr]   Downloaded glium v0.16.0
[INFO] [stderr]   Downloaded core-graphics v0.4.2
[INFO] [stderr]   Downloaded wayland-kbd v0.6.2
[INFO] [stderr]   Downloaded wayland-client v0.7.6
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 3efadc85994aba5a2e9bb5127bcd94056d2ccfb822a6f136f65f96e1d7a26c98
[INFO] running `Command { std: "docker" "start" "-a" "3efadc85994aba5a2e9bb5127bcd94056d2ccfb822a6f136f65f96e1d7a26c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3efadc85994aba5a2e9bb5127bcd94056d2ccfb822a6f136f65f96e1d7a26c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efadc85994aba5a2e9bb5127bcd94056d2ccfb822a6f136f65f96e1d7a26c98", kill_on_drop: false }`
[INFO] [stdout] 3efadc85994aba5a2e9bb5127bcd94056d2ccfb822a6f136f65f96e1d7a26c98
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8352e227f35f59d9d79363c90d0cb76276c73d5f032d12926f991f7204f71537
[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" "8352e227f35f59d9d79363c90d0cb76276c73d5f032d12926f991f7204f71537", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.6
[INFO] [stderr]    Compiling wayland-window v0.4.3
[INFO] [stderr]    Compiling wayland-kbd v0.6.2
[INFO] [stderr]    Compiling winit v0.5.7
[INFO] [stderr]    Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir)
[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-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.mandelbrot.4gwao9pl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca" "/opt/rustwide/target/debug/deps/mandelbrot-4bab2b146b25c1ca.5g1sv7pq4rh87o62.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libglium-86534b1bc92c85e3.rlib" "/opt/rustwide/target/debug/deps/libglutin-19b13cf385d9b890.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-d9d21afa5a7f8815.rlib" "/opt/rustwide/target/debug/deps/libwinit-27d41ca6efc99396.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-14efabf5c85da46f.rlib" "/opt/rustwide/target/debug/deps/libtempfile-ca654054207f544f.rlib" "/opt/rustwide/target/debug/deps/librand-39246caad4395117.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6cddcccd56d44b5d.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-613735246a93cf87.rlib" "/opt/rustwide/target/debug/deps/libmemmap-4db6af60f65152d3.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-5a87140d73754e80.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-c8285c760b762c3d.rlib" "/opt/rustwide/target/debug/deps/libdlib-3fd740366deb6c5c.rlib" "/opt/rustwide/target/debug/deps/liblibloading-65681adfbbddacc7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-e6d0f0c2a1882ab9.rlib" "/opt/rustwide/target/debug/deps/libshared_library-d7f349925b707ce4.rlib" "/opt/rustwide/target/debug/deps/libfnv-8892e337f4b8c0de.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-cacd07e96981e77a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-1e651998b7d613aa.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-bb9bb78fb34daefb.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-df510867925204a7.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4742f6ccc7d0ed2b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-1e651998b7d613aa.rlib(backtrace-1e651998b7d613aa.backtrace.6xf3jqqf-cgu.12.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-1e651998b7d613aa.rlib(backtrace-1e651998b7d613aa.backtrace.6xf3jqqf-cgu.12.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8352e227f35f59d9d79363c90d0cb76276c73d5f032d12926f991f7204f71537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8352e227f35f59d9d79363c90d0cb76276c73d5f032d12926f991f7204f71537", kill_on_drop: false }`
[INFO] [stdout] 8352e227f35f59d9d79363c90d0cb76276c73d5f032d12926f991f7204f71537
