[INFO] cloning repository https://github.com/sadnessOjisan/async-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sadnessOjisan/async-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsadnessOjisan%2Fasync-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsadnessOjisan%2Fasync-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ebfb4f04199a24a856af560faa8553d86735a1
[INFO] testing sadnessOjisan/async-runtime against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsadnessOjisan%2Fasync-runtime" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sadnessOjisan/async-runtime on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sadnessOjisan/async-runtime
[INFO] finished tweaking git repo https://github.com/sadnessOjisan/async-runtime
[INFO] tweaked toml for git repo https://github.com/sadnessOjisan/async-runtime written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/sadnessOjisan/async-runtime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.link
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 665f05b57959196fdff808e2f92c20e561b10bc0321405f0a95f97f92877ee32
[INFO] running `Command { std: "docker" "start" "-a" "665f05b57959196fdff808e2f92c20e561b10bc0321405f0a95f97f92877ee32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "665f05b57959196fdff808e2f92c20e561b10bc0321405f0a95f97f92877ee32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "665f05b57959196fdff808e2f92c20e561b10bc0321405f0a95f97f92877ee32", kill_on_drop: false }`
[INFO] [stdout] 665f05b57959196fdff808e2f92c20e561b10bc0321405f0a95f97f92877ee32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d63a7926d29b3dae1102d2fde23205d5d5a068ae156811b2cd3f6fc16fdc3df
[INFO] running `Command { std: "docker" "start" "-a" "4d63a7926d29b3dae1102d2fde23205d5d5a068ae156811b2cd3f6fc16fdc3df", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.link
[INFO] [stderr]    Compiling libc v0.2.111
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling async-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Using built-in specs.
[INFO] [stderr] warning: COLLECT_GCC=c++
[INFO] [stderr] warning: OFFLOAD_TARGET_NAMES=nvptx-none:hsa
[INFO] [stderr] warning: OFFLOAD_TARGET_DEFAULT=1
[INFO] [stderr] warning: c++: error: unrecognized command line option '-std=c++20'; did you mean '-std=c++2a'?
[INFO] [stderr] warning: Target: x86_64-linux-gnu
[INFO] [stderr] warning: Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.4.0-1ubuntu1~20.04.1' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-9-Av3uEd/gcc-9-9.4.0/debian/tmp-nvptx/usr,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
[INFO] [stderr] warning: Thread model: posix
[INFO] [stderr] warning: gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `async-runtime v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/async-runtime-c78b674a123788a9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-std=c++20" "-Wall" "-Wextra" "-v" "-g" "-o" "/opt/rustwide/target/debug/build/async-runtime-fa313272a500c7be/out/./src/test.o" "-c" "./src/test.cpp"
[INFO] [stderr]   cargo:warning=Using built-in specs.
[INFO] [stderr]   cargo:warning=COLLECT_GCC=c++
[INFO] [stderr]   cargo:warning=OFFLOAD_TARGET_NAMES=nvptx-none:hsa
[INFO] [stderr]   cargo:warning=OFFLOAD_TARGET_DEFAULT=1
[INFO] [stderr]   cargo:warning=c++: error: unrecognized command line option '-std=c++20'; did you mean '-std=c++2a'?
[INFO] [stderr]   cargo:warning=Target: x86_64-linux-gnu
[INFO] [stderr]   cargo:warning=Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.4.0-1ubuntu1~20.04.1' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-9-Av3uEd/gcc-9-9.4.0/debian/tmp-nvptx/usr,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
[INFO] [stderr]   cargo:warning=Thread model: posix
[INFO] [stderr]   cargo:warning=gcc version 9.4.0 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-std=c++20" "-Wall" "-Wextra" "-v" "-g" "-o" "/opt/rustwide/target/debug/build/async-runtime-fa313272a500c7be/out/./src/test.o" "-c" "./src/test.cpp" with args "c++" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "4d63a7926d29b3dae1102d2fde23205d5d5a068ae156811b2cd3f6fc16fdc3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d63a7926d29b3dae1102d2fde23205d5d5a068ae156811b2cd3f6fc16fdc3df", kill_on_drop: false }`
[INFO] [stdout] 4d63a7926d29b3dae1102d2fde23205d5d5a068ae156811b2cd3f6fc16fdc3df