[INFO] updating cached repository https://github.com/danrien/a_new_os
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 957071326d43d645e845bbef446b8bbe1e337704
[INFO] testing danrien/a_new_os against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanrien%2Fa_new_os" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danrien/a_new_os on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/danrien/a_new_os
[INFO] finished tweaking git repo https://github.com/danrien/a_new_os
[INFO] tweaked toml for git repo https://github.com/danrien/a_new_os written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/danrien/a_new_os already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc2deca412963fa18ff17494679ea02db43a8fe4aa5f52ab93164a62bca376d4
[INFO] running `"docker" "start" "-a" "cc2deca412963fa18ff17494679ea02db43a8fe4aa5f52ab93164a62bca376d4"`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling usize_conversions v0.2.0
[INFO] [stderr]    Compiling os_bootinfo v0.2.1
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling zero v0.1.2
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling font8x8 v0.2.4
[INFO] [stderr]    Compiling volatile v0.2.5
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling xmas-elf v0.6.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]    Compiling x86_64 v0.2.14
[INFO] [stderr]    Compiling uart_16550 v0.1.0
[INFO] [stderr]    Compiling bootloader v0.3.11
[INFO] [stderr]    Compiling a_new_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vga_buffer.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::println`
[INFO] [stderr]  --> src/interrupts.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::println;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/test_cpu_exception-a71d755be13e3595.test_cpu_exception.5lluragv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/test_cpu_exception-a71d755be13e3595.test_cpu_exception.5lluragv-cgu.1.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/test_cpu_exception-a71d755be13e3595" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liba_new_os-7782669d2a07e03f.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-cf71402291ef4cff.rlib" "/opt/rustwide/target/debug/deps/libx86_64-13db67af88d6d140.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libos_bootinfo-0eb5b3efa6c8855e.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0e4372053c1d42f7.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/libvolatile-7072e99b8ff35d29.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/test_cpu_exception-a71d755be13e3595.test_cpu_exception.5lluragv-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/rustwide/workdir/src/bin/test-cpu-exception.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `a_new_os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/test_page_fault-3dc812025165a4ac.test_page_fault.a4x0w2u7-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/test_page_fault-3dc812025165a4ac.test_page_fault.a4x0w2u7-cgu.1.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/test_page_fault-3dc812025165a4ac" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liba_new_os-7782669d2a07e03f.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-cf71402291ef4cff.rlib" "/opt/rustwide/target/debug/deps/libx86_64-13db67af88d6d140.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libos_bootinfo-0eb5b3efa6c8855e.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0e4372053c1d42f7.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/libvolatile-7072e99b8ff35d29.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/test_page_fault-3dc812025165a4ac.test_page_fault.a4x0w2u7-cgu.0.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/rustwide/workdir/src/bin/test-page-fault.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `a_new_os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/test_panic-93831c3f0fe408ed.test_panic.1ssl1qod-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/test_panic-93831c3f0fe408ed.test_panic.1ssl1qod-cgu.1.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/test_panic-93831c3f0fe408ed" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liba_new_os-7782669d2a07e03f.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-cf71402291ef4cff.rlib" "/opt/rustwide/target/debug/deps/libx86_64-13db67af88d6d140.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libos_bootinfo-0eb5b3efa6c8855e.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0e4372053c1d42f7.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/libvolatile-7072e99b8ff35d29.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/test_panic-93831c3f0fe408ed.test_panic.1ssl1qod-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/rustwide/workdir/src/bin/test-panic.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `a_new_os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/test_basic_boot-6b6b5d330438f526.test_basic_boot.6r6i25sm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/test_basic_boot-6b6b5d330438f526.test_basic_boot.6r6i25sm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/test_basic_boot-6b6b5d330438f526.test_basic_boot.6r6i25sm-cgu.2.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/test_basic_boot-6b6b5d330438f526" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liba_new_os-7782669d2a07e03f.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-cf71402291ef4cff.rlib" "/opt/rustwide/target/debug/deps/libx86_64-13db67af88d6d140.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libos_bootinfo-0eb5b3efa6c8855e.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0e4372053c1d42f7.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/libvolatile-7072e99b8ff35d29.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/test_basic_boot-6b6b5d330438f526.test_basic_boot.6r6i25sm-cgu.2.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/rustwide/workdir/src/bin/test-basic-boot.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `a_new_os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/a_new_os-c1b0fa872a973df8.a_new_os.51sf8nok-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/a_new_os-c1b0fa872a973df8.a_new_os.51sf8nok-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/a_new_os-c1b0fa872a973df8.a_new_os.51sf8nok-cgu.2.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/a_new_os-c1b0fa872a973df8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liba_new_os-7782669d2a07e03f.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-cf71402291ef4cff.rlib" "/opt/rustwide/target/debug/deps/libx86_64-13db67af88d6d140.rlib" "/opt/rustwide/target/debug/deps/libux-213d89cef9cfc06b.rlib" "/opt/rustwide/target/debug/deps/libusize_conversions-32847f88f6c29855.rlib" "/opt/rustwide/target/debug/deps/libos_bootinfo-0eb5b3efa6c8855e.rlib" "/opt/rustwide/target/debug/deps/libbit_field-8ac51ce003a1adbd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0e4372053c1d42f7.rlib" "/opt/rustwide/target/debug/deps/libspin-79181cbb5b4b7227.rlib" "/opt/rustwide/target/debug/deps/libvolatile-7072e99b8ff35d29.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f827473dd3b319fa.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-53f9c299c549c6a9.rlib" "/opt/rustwide/rustup-home/toolchains/41997647ba6a77908f6ef64401414feb00bccf16/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-44132fbb3fcc18d3.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/a_new_os-c1b0fa872a973df8.a_new_os.51sf8nok-cgu.2.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/rustwide/workdir/src/main.rs:18: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/7/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `a_new_os`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cc2deca412963fa18ff17494679ea02db43a8fe4aa5f52ab93164a62bca376d4"`
[INFO] running `"docker" "rm" "-f" "cc2deca412963fa18ff17494679ea02db43a8fe4aa5f52ab93164a62bca376d4"`
[INFO] [stdout] cc2deca412963fa18ff17494679ea02db43a8fe4aa5f52ab93164a62bca376d4