[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floriama/mandelbrot on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-39/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa v0.5.3
[INFO] [stderr]   Downloaded core-graphics v0.5.0
[INFO] [stderr]   Downloaded siphasher v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc61ccd48594c2b1da285dbe099ffc89d67f1832ed36f90a9ba9f602f9e367f9
[INFO] running `Command { std: "docker" "start" "-a" "dc61ccd48594c2b1da285dbe099ffc89d67f1832ed36f90a9ba9f602f9e367f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc61ccd48594c2b1da285dbe099ffc89d67f1832ed36f90a9ba9f602f9e367f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc61ccd48594c2b1da285dbe099ffc89d67f1832ed36f90a9ba9f602f9e367f9", kill_on_drop: false }`
[INFO] [stdout] dc61ccd48594c2b1da285dbe099ffc89d67f1832ed36f90a9ba9f602f9e367f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d85ef349d60172d1b67ff061eee741510ded86924c555b2f343f7d561ec1d4f
[INFO] running `Command { std: "docker" "start" "-a" "6d85ef349d60172d1b67ff061eee741510ded86924c555b2f343f7d561ec1d4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[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 xml-rs v0.3.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling glium v0.16.0
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.mandelbrot.5b6dbf94-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa.3a6g148bozoyuo5s.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libglium-e27645c4d47ce007.rlib" "/opt/rustwide/target/debug/deps/libglutin-ec93d4f817ede2e4.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-d87d37bcadeec9eb.rlib" "/opt/rustwide/target/debug/deps/libwinit-a8286934fcb5d0e7.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-d7e5c817bb647d36.rlib" "/opt/rustwide/target/debug/deps/libtempfile-3060f41858fa8005.rlib" "/opt/rustwide/target/debug/deps/librand-22b591d6848842ff.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f7a78ccb944e69cd.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-58031dac26540924.rlib" "/opt/rustwide/target/debug/deps/libmemmap-9bf3975d51eb3aed.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-c689edfc79191a6e.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-36445827439f6e6f.rlib" "/opt/rustwide/target/debug/deps/libdlib-7b9bebe4b912cbe3.rlib" "/opt/rustwide/target/debug/deps/liblibloading-6fd4a111be48f620.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e0f7dbb2934afe82.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-871aa360a7e6762b.rlib" "/opt/rustwide/target/debug/deps/libshared_library-c6e9f5435b2f4173.rlib" "/opt/rustwide/target/debug/deps/libfnv-4c10d565717fbc9e.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4922dee2c0fe5f2e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-b79cb3c33b117cd1.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-4795ef7d5fd5fbcb.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-27e609617fffd9ba.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-54fc4b981caf04b1.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-1b8c89a4415b9ce8.rlib" "/opt/rustwide/target/debug/deps/libwinapi-4d42a927084ddbff.rlib" "/opt/rustwide/target/debug/deps/libkernel32-1cb31e1f8a5753d0.rlib" "/opt/rustwide/target/debug/deps/liblibc-5d01d54f05972b67.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4fb368957abad32a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.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/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mandelbrot-83f55ba7e5833baa" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-b79cb3c33b117cd1.rlib(backtrace-b79cb3c33b117cd1.backtrace.0575457a-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-b79cb3c33b117cd1.rlib(backtrace-b79cb3c33b117cd1.backtrace.0575457a-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]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mandelbrot` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d85ef349d60172d1b67ff061eee741510ded86924c555b2f343f7d561ec1d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d85ef349d60172d1b67ff061eee741510ded86924c555b2f343f7d561ec1d4f", kill_on_drop: false }`
[INFO] [stdout] 6d85ef349d60172d1b67ff061eee741510ded86924c555b2f343f7d561ec1d4f