[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#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloriama%2Fmandelbrot" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floriama/mandelbrot on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-8/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5cc50ea80a00d33fe284c0880da0173a7f084550c8ab59890dc54a722cf996
[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" "6f5cc50ea80a00d33fe284c0880da0173a7f084550c8ab59890dc54a722cf996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5cc50ea80a00d33fe284c0880da0173a7f084550c8ab59890dc54a722cf996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5cc50ea80a00d33fe284c0880da0173a7f084550c8ab59890dc54a722cf996", kill_on_drop: false }`
[INFO] [stdout] 6f5cc50ea80a00d33fe284c0880da0173a7f084550c8ab59890dc54a722cf996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e739f6dd05f56bf1a0bf02c587188eba0714011a2afa58f9237d5109a696fde
[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" "2e739f6dd05f56bf1a0bf02c587188eba0714011a2afa58f9237d5109a696fde", kill_on_drop: false }`
[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 dtoa v0.2.2
[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 lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[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 cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[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 osmesa-sys v0.1.2
[INFO] [stderr]    Compiling memmap v0.4.0
[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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.mandelbrot.513yxttj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db" "/opt/rustwide/target/debug/deps/mandelbrot-1bed3f59182566db.49l6tzym7ydjnvj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libglium-a59939d9f7f1777b.rlib" "/opt/rustwide/target/debug/deps/libglutin-baa9133df4aba27e.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-78b49a954902c5d2.rlib" "/opt/rustwide/target/debug/deps/libwinit-7d154c4e13feb4fb.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-bbd283b0f08ffdea.rlib" "/opt/rustwide/target/debug/deps/libtempfile-d3a5d0937338e291.rlib" "/opt/rustwide/target/debug/deps/librand-3d9ee14491c37c47.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-d81d144a513b1792.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-5dee22b2da627517.rlib" "/opt/rustwide/target/debug/deps/libmemmap-cbbe0cab5c0f17bd.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-cb4b45be55355cf9.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-64867de2f704b503.rlib" "/opt/rustwide/target/debug/deps/libdlib-b6cad7fca221b79a.rlib" "/opt/rustwide/target/debug/deps/liblibloading-116d63917a4025ca.rlib" "/opt/rustwide/target/debug/deps/libbitflags-171913864070e9c9.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-9fb1b88f9004f981.rlib" "/opt/rustwide/target/debug/deps/libshared_library-82f7985dc9e14885.rlib" "/opt/rustwide/target/debug/deps/libfnv-b7d94d8a9388dc9c.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-993a1c889d237101.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-e0e386a1a99e160a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-b62d59547e2d48c7.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-98f38dcb11a75b41.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-fbaeb006ad3b6459.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-aa78f5ddb1a76b48.rlib" "/opt/rustwide/target/debug/deps/libwinapi-d7ba1d42122a8dcb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-993ceeac44ac178c.rlib" "/opt/rustwide/target/debug/deps/liblibc-508a9d3ea83be361.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2be739f272ebf2b4.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-e0e386a1a99e160a.rlib(backtrace-e0e386a1a99e160a.backtrace.vtxzgd1s-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-e0e386a1a99e160a.rlib(backtrace-e0e386a1a99e160a.backtrace.vtxzgd1s-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" "2e739f6dd05f56bf1a0bf02c587188eba0714011a2afa58f9237d5109a696fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e739f6dd05f56bf1a0bf02c587188eba0714011a2afa58f9237d5109a696fde", kill_on_drop: false }`
[INFO] [stdout] 2e739f6dd05f56bf1a0bf02c587188eba0714011a2afa58f9237d5109a696fde