[INFO] cloning repository https://github.com/dmitryvm1/towers_of_hanoi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmitryvm1/towers_of_hanoi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitryvm1%2Ftowers_of_hanoi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitryvm1%2Ftowers_of_hanoi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e041db76592a68892113b8cee94eefd3737893ce
[INFO] testing dmitryvm1/towers_of_hanoi against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmitryvm1%2Ftowers_of_hanoi" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmitryvm1/towers_of_hanoi on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmitryvm1/towers_of_hanoi
[INFO] finished tweaking git repo https://github.com/dmitryvm1/towers_of_hanoi
[INFO] tweaked toml for git repo https://github.com/dmitryvm1/towers_of_hanoi written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dmitryvm1/towers_of_hanoi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68c9064ec6705272dfa29e613fe6b99f51429c89ef507fd893025b19e635ebff
[INFO] running `Command { std: "docker" "start" "-a" "68c9064ec6705272dfa29e613fe6b99f51429c89ef507fd893025b19e635ebff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68c9064ec6705272dfa29e613fe6b99f51429c89ef507fd893025b19e635ebff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68c9064ec6705272dfa29e613fe6b99f51429c89ef507fd893025b19e635ebff", kill_on_drop: false }`
[INFO] [stdout] 68c9064ec6705272dfa29e613fe6b99f51429c89ef507fd893025b19e635ebff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d34fab69afba94f79102ca482b3b0c5bb0d0a4389fb3a12e9e24409d81d6f7f
[INFO] running `Command { std: "docker" "start" "-a" "3d34fab69afba94f79102ca482b3b0c5bb0d0a4389fb3a12e9e24409d81d6f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling freetype-sys v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.1
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling freetype-rs v0.23.0
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling gfx_text v0.26.0
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.19.5
[INFO] [stderr]    Compiling glutin v0.20.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.30.0
[INFO] [stderr]    Compiling hanoi_towers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcBR5Yyv/symbols.o" "<10 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgfx_window_glutin-f3127c81dc1df45c.rlib,libglutin-fd35350cbe12877b.rlib,libosmesa_sys-e2da9c5c6648f4b0.rlib,libwinit-afed8c6762506c38.rlib,libraw_window_handle-b4e81b7d272a635f.rlib,libsmithay_client_toolkit-3fdafd15d9cf1d64.rlib,libwayland_protocols-70e8837d384e8f7c.rlib,libwayland_client-7fe0c447363c69b2.rlib,libwayland_commons-6fb8166e13fcd73d.rlib,libwayland_sys-3dc702d580e4034d.rlib,libnix-c49ea637abf84b45.rlib,libvoid-c8c62e9ffd6f4978.rlib,libmemmap-efacb9b3959c0211.rlib,libandrew-e715f3d2e32ba8c5.rlib,libxml-f701673eb9932e7f.rlib,libxdg-f7386ae616cafec8.rlib,libwalkdir-898b0f3ea0b527ec.rlib,libsame_file-a1d080fb0352c71b.rlib,librusttype-db96cc6cd7196043.rlib,librusttype-8e9eae0ac06e1902.rlib,libstb_truetype-066285b9fd1b3fb6.rlib,libbyteorder-7596afa069457498.rlib,libarrayvec-989778101fa76b98.rlib,libordered_float-fbec6a1158ca54d5.rlib,libapprox-e253480498cbded0.rlib,libline_drawing-b473d085b108ee1a.rlib,libnum_traits-36cfb7ee62592d05.rlib,libdlib-35d6624923f74300.rlib,liblibloading-aa9ddde435d8b19d.rlib,libpercent_encoding-d8e5e041794fd24f.rlib,libparking_lot-193403ca13a95105.rlib,libparking_lot_core-80be6cc2e84b7937.rlib,libsmallvec-62bddc95346ad3e5.rlib,liblock_api-0844fd402af4df42.rlib,libscopeguard-f56127f537038ddd.rlib,libglutin_glx_sys-c92c314ffccbffb5.rlib,libx11_dl-527cd897ef26659d.rlib,libmaybe_uninit-dd2e9a8bbd6c23a5.rlib,libglutin_egl_sys-b0d8d5cea0b309c9.rlib,libshared_library-9dfdf91f1f33484e.rlib,liblazy_static-2bb390fee0230a38.rlib,libgfx_device_gl-3f2f8af73962af34.rlib,libgfx_gl-b6e8960483d9b70d.rlib,libgfx_text-7bdd6af4e044c8bc.rlib,libfreetype-d11802c38e2dde8f.rlib,libfreetype_sys-986087f54cbabf9b.rlib,liblibc-5b7b9929538f6be8.rlib,libgfx-d8e9b9b6eb27b1b3.rlib,libgfx_core-0521dd889665d699.rlib,libdraw_state-9e8b3c1ec546f6b6.rlib,libbitflags-ee4b6a8effb9c17a.rlib,liblog-44675ca6db48a312.rlib,libcfg_if-7e9efee4241be1ca.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-ldl" "-lfreetype" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcBR5Yyv/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/target/debug/build/libloading-132b35f9756c061d/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hanoi_towers-1b49b54bcae53ea0" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
[INFO] [stdout]           collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hanoi_towers` (bin "hanoi_towers") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3d34fab69afba94f79102ca482b3b0c5bb0d0a4389fb3a12e9e24409d81d6f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d34fab69afba94f79102ca482b3b0c5bb0d0a4389fb3a12e9e24409d81d6f7f", kill_on_drop: false }`
[INFO] [stdout] 3d34fab69afba94f79102ca482b3b0c5bb0d0a4389fb3a12e9e24409d81d6f7f