[INFO] cloning repository https://github.com/ijkuyews/uefi-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijkuyews/uefi-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijkuyews%2Fuefi-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijkuyews%2Fuefi-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 577647f675f8bbea0463d0c5243e13889d192c83
[INFO] testing ijkuyews/uefi-kernel against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijkuyews%2Fuefi-kernel" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijkuyews/uefi-kernel on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ijkuyews/uefi-kernel
[INFO] finished tweaking git repo https://github.com/ijkuyews/uefi-kernel
[INFO] tweaked toml for git repo https://github.com/ijkuyews/uefi-kernel written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ijkuyews/uefi-kernel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Andy-Python-Programmer/bootloader`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded locate-cargo-manifest v0.2.2
[INFO] [stderr]   Downloaded linked_list_allocator v0.9.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded xshell v0.1.13
[INFO] [stderr]   Downloaded uefi v0.11.0
[INFO] [stderr]   Downloaded bootloader-locator v0.0.4
[INFO] [stderr]   Downloaded xshell-macros v0.1.13
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded zero v0.1.2
[INFO] [stderr]   Downloaded font8x8 v0.3.1
[INFO] [stderr]   Downloaded uefi-macros v0.3.3
[INFO] [stderr]   Downloaded xmas-elf v0.7.0
[INFO] [stderr]   Downloaded spinning_top v0.2.4
[INFO] [stderr]   Downloaded spin v0.9.0
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded x86_64 v0.14.3
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0cc37cb2e543a7fc8e60d9403f2ebd5131e12997c6404df231b00a93c494b28
[INFO] running `Command { std: "docker" "start" "-a" "d0cc37cb2e543a7fc8e60d9403f2ebd5131e12997c6404df231b00a93c494b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cc37cb2e543a7fc8e60d9403f2ebd5131e12997c6404df231b00a93c494b28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cc37cb2e543a7fc8e60d9403f2ebd5131e12997c6404df231b00a93c494b28", kill_on_drop: false }`
[INFO] [stdout] d0cc37cb2e543a7fc8e60d9403f2ebd5131e12997c6404df231b00a93c494b28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc8586afe2fdf49621d917062f463044fe0f5112a40be0abeb2318fb9049f6f2
[INFO] running `Command { std: "docker" "start" "-a" "fc8586afe2fdf49621d917062f463044fe0f5112a40be0abeb2318fb9049f6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling bootloader v0.10.4 (https://github.com/Andy-Python-Programmer/bootloader#8c5beeb5)
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling uefi-macros v0.3.3
[INFO] [stderr]    Compiling xmas-elf v0.7.0
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling spin v0.9.0
[INFO] [stderr]    Compiling linked_list_allocator v0.9.0
[INFO] [stderr]    Compiling uefi v0.11.0
[INFO] [stderr]    Compiling kernel 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/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librustc_demangle-12e30fdcbb9bf960.rlib" "/opt/rustwide/target/debug/deps/libxmas_elf-d973705d9f6d0506.rlib" "/opt/rustwide/target/debug/deps/libzero-0f24f29f96f963b0.rlib" "/opt/rustwide/target/debug/deps/liblinked_list_allocator-68fc0aedbd2dbe5b.rlib" "/opt/rustwide/target/debug/deps/libspinning_top-677043c2925ef3ff.rlib" "/opt/rustwide/target/debug/deps/libspin-ed22aadea5d19797.rlib" "/opt/rustwide/target/debug/deps/liblock_api-7a42500280858707.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4b059ff10415273f.rlib" "/opt/rustwide/target/debug/deps/liblog-01281b64fe0b6ea0.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/libfont8x8-ef9c0d7e971bee29.rlib" "/opt/rustwide/target/debug/deps/libbootloader-ca5cd68ca0eeee72.rlib" "/opt/rustwide/target/debug/deps/libx86_64-ee2989cf2ddbb319.rlib" "/opt/rustwide/target/debug/deps/libvolatile-cc84e35683fa7350.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/libbit_field-c32d9affdc10b5f6.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/kernel-e1d1ae7cf855674b.kernel.7e52e8bd-cgu.14.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/cargo-home/git/checkouts/bootloader-7976d0d92b1d5abe/8c5beeb/src/lib.rs:116: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x16): undefined reference to `__libc_csu_fini'
[INFO] [stdout]           /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init'
[INFO] [stdout]           /usr/bin/ld: (.text+0x24): undefined reference to `main'
[INFO] [stdout]           /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main'
[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 `kernel`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fc8586afe2fdf49621d917062f463044fe0f5112a40be0abeb2318fb9049f6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8586afe2fdf49621d917062f463044fe0f5112a40be0abeb2318fb9049f6f2", kill_on_drop: false }`
[INFO] [stdout] fc8586afe2fdf49621d917062f463044fe0f5112a40be0abeb2318fb9049f6f2