Dec 13 01:03:05.223 INFO testing tanasinn/blog_os-tutorial against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 01:03:05.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 01:03:05.422 INFO [stdout] 4c41ea76f03a4f5ef5ded7766d1b58ff8b1e11f4c57ba6661b9126ad82d30ea4
Dec 13 01:03:05.424 INFO running `"docker" "start" "-a" "4c41ea76f03a4f5ef5ded7766d1b58ff8b1e11f4c57ba6661b9126ad82d30ea4"`
Dec 13 01:03:05.940 INFO [stderr] usermod: no changes
Dec 13 01:03:06.007 INFO [stderr]    Compiling os_bootinfo v0.2.1
Dec 13 01:03:06.007 INFO [stderr]    Compiling bitflags v1.0.4
Dec 13 01:03:06.007 INFO [stderr]    Compiling usize_conversions v0.2.0
Dec 13 01:03:06.007 INFO [stderr]    Compiling ux v0.1.2
Dec 13 01:03:06.007 INFO [stderr]    Compiling bit_field v0.9.0
Dec 13 01:03:06.007 INFO [stderr]    Compiling spin v0.4.9
Dec 13 01:03:06.007 INFO [stderr]    Compiling volatile v0.2.4
Dec 13 01:03:06.008 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 13 01:03:06.711 INFO [stderr]    Compiling bootloader_precompiled v0.2.0
Dec 13 01:03:20.783 INFO [stderr]    Compiling x86_64 v0.2.14
Dec 13 01:03:22.886 INFO [stderr]    Compiling uart_16550 v0.1.0
Dec 13 01:03:23.459 INFO [stderr]    Compiling blog_os v0.1.0 (/source)
Dec 13 01:03:25.171 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 13 01:03:25.171 INFO [stderr]   |
Dec 13 01:03:25.171 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.0.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.1.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.2.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.3.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.4.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.5.rcgu.o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.6.rcgu.o" "-o" "/target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libblog_os-169a8eb7b4fbfd95.rlib" "/target/debug/deps/libvolatile-5b6d326e7801c8d6.rlib" "/target/debug/deps/libuart_16550-e4bf89df0156fd87.rlib" "/target/debug/deps/libx86_64-c61c021afa0b5144.rlib" "/target/debug/deps/libux-83a01d491b546601.rlib" "/target/debug/deps/libusize_conversions-8111d1de3aef5d86.rlib" "/target/debug/deps/libbit_field-f6c761de83bbe094.rlib" "/target/debug/deps/libbitflags-b089b40758e1aedc.rlib" "/target/debug/deps/liblazy_static-14f14485c65df3e7.rlib" "/target/debug/deps/libspin-d198bfcffeb0e3ad.rlib" "/target/debug/deps/libbootloader_precompiled-f61d5a2a46845bf2.rlib" "/target/debug/deps/libos_bootinfo-b4342568bc4a022d.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic"
Dec 13 01:03:25.171 INFO [stderr]   = note: /target/debug/deps/test_exception_breakpoint-91a9a90b2e1946bb.test_exception_breakpoint.5ytblywk-cgu.3.rcgu.o: In function `_start':
Dec 13 01:03:25.171 INFO [stderr]           /source/src/bin/test-exception-breakpoint.rs:50: multiple definition of `_start'
Dec 13 01:03:25.171 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 13 01:03:25.171 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.171 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 13 01:03:25.171 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.171 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 13 01:03:25.171 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.171 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 13 01:03:25.171 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.171 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 13 01:03:25.171 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 13 01:03:25.171 INFO [stderr]           
Dec 13 01:03:25.171 INFO [stderr] 
Dec 13 01:03:25.171 INFO [stderr] error: aborting due to previous error
Dec 13 01:03:25.171 INFO [stderr] 
Dec 13 01:03:25.187 INFO [stderr] error: Could not compile `blog_os`.
Dec 13 01:03:25.187 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 01:03:25.331 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 13 01:03:25.331 INFO [stderr]   |
Dec 13 01:03:25.331 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/test_panic-ffba3750f021812a.test_panic.dqo2vygn-cgu.0.rcgu.o" "/target/debug/deps/test_panic-ffba3750f021812a.test_panic.dqo2vygn-cgu.1.rcgu.o" "-o" "/target/debug/deps/test_panic-ffba3750f021812a" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libblog_os-169a8eb7b4fbfd95.rlib" "/target/debug/deps/libvolatile-5b6d326e7801c8d6.rlib" "/target/debug/deps/libuart_16550-e4bf89df0156fd87.rlib" "/target/debug/deps/libx86_64-c61c021afa0b5144.rlib" "/target/debug/deps/libux-83a01d491b546601.rlib" "/target/debug/deps/libusize_conversions-8111d1de3aef5d86.rlib" "/target/debug/deps/libbit_field-f6c761de83bbe094.rlib" "/target/debug/deps/libbitflags-b089b40758e1aedc.rlib" "/target/debug/deps/liblazy_static-14f14485c65df3e7.rlib" "/target/debug/deps/libspin-d198bfcffeb0e3ad.rlib" "/target/debug/deps/libbootloader_precompiled-f61d5a2a46845bf2.rlib" "/target/debug/deps/libos_bootinfo-b4342568bc4a022d.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic"
Dec 13 01:03:25.331 INFO [stderr]   = note: /target/debug/deps/test_panic-ffba3750f021812a.test_panic.dqo2vygn-cgu.1.rcgu.o: In function `_start':
Dec 13 01:03:25.331 INFO [stderr]           /source/src/bin/test-panic.rs:24: multiple definition of `_start'
Dec 13 01:03:25.331 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 13 01:03:25.331 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.331 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 13 01:03:25.331 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.331 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 13 01:03:25.331 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.331 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 13 01:03:25.331 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.331 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 13 01:03:25.331 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 13 01:03:25.331 INFO [stderr]           
Dec 13 01:03:25.331 INFO [stderr] 
Dec 13 01:03:25.331 INFO [stderr] error: aborting due to previous error
Dec 13 01:03:25.331 INFO [stderr] 
Dec 13 01:03:25.339 INFO [stderr] error: Could not compile `blog_os`.
Dec 13 01:03:25.339 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 01:03:25.899 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 13 01:03:25.899 INFO [stderr]   |
Dec 13 01:03:25.899 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/test_basic_boot-94b0e923fcd03ed0.test_basic_boot.77uor3cn-cgu.0.rcgu.o" "/target/debug/deps/test_basic_boot-94b0e923fcd03ed0.test_basic_boot.77uor3cn-cgu.1.rcgu.o" "/target/debug/deps/test_basic_boot-94b0e923fcd03ed0.test_basic_boot.77uor3cn-cgu.2.rcgu.o" "-o" "/target/debug/deps/test_basic_boot-94b0e923fcd03ed0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libblog_os-169a8eb7b4fbfd95.rlib" "/target/debug/deps/libvolatile-5b6d326e7801c8d6.rlib" "/target/debug/deps/libuart_16550-e4bf89df0156fd87.rlib" "/target/debug/deps/libx86_64-c61c021afa0b5144.rlib" "/target/debug/deps/libux-83a01d491b546601.rlib" "/target/debug/deps/libusize_conversions-8111d1de3aef5d86.rlib" "/target/debug/deps/libbit_field-f6c761de83bbe094.rlib" "/target/debug/deps/libbitflags-b089b40758e1aedc.rlib" "/target/debug/deps/liblazy_static-14f14485c65df3e7.rlib" "/target/debug/deps/libspin-d198bfcffeb0e3ad.rlib" "/target/debug/deps/libbootloader_precompiled-f61d5a2a46845bf2.rlib" "/target/debug/deps/libos_bootinfo-b4342568bc4a022d.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic"
Dec 13 01:03:25.899 INFO [stderr]   = note: /target/debug/deps/test_basic_boot-94b0e923fcd03ed0.test_basic_boot.77uor3cn-cgu.0.rcgu.o: In function `_start':
Dec 13 01:03:25.899 INFO [stderr]           /source/src/bin/test-basic-boot.rs:25: multiple definition of `_start'
Dec 13 01:03:25.899 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 13 01:03:25.899 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.899 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 13 01:03:25.899 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.899 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 13 01:03:25.899 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.899 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 13 01:03:25.899 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.899 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 13 01:03:25.899 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 13 01:03:25.899 INFO [stderr]           
Dec 13 01:03:25.899 INFO [stderr] 
Dec 13 01:03:25.899 INFO [stderr] error: aborting due to previous error
Dec 13 01:03:25.899 INFO [stderr] 
Dec 13 01:03:25.899 INFO [stderr] error: Could not compile `blog_os`.
Dec 13 01:03:25.899 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 01:03:25.904 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 13 01:03:25.904 INFO [stderr]   |
Dec 13 01:03:25.904 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.0.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.1.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.2.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.3.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.4.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.5.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.6.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.7.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.8.rcgu.o" "/target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.9.rcgu.o" "-o" "/target/debug/deps/blog_os-c5442cce77df4dba" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libblog_os-169a8eb7b4fbfd95.rlib" "/target/debug/deps/libvolatile-5b6d326e7801c8d6.rlib" "/target/debug/deps/libuart_16550-e4bf89df0156fd87.rlib" "/target/debug/deps/libx86_64-c61c021afa0b5144.rlib" "/target/debug/deps/libux-83a01d491b546601.rlib" "/target/debug/deps/libusize_conversions-8111d1de3aef5d86.rlib" "/target/debug/deps/libbit_field-f6c761de83bbe094.rlib" "/target/debug/deps/libbitflags-b089b40758e1aedc.rlib" "/target/debug/deps/liblazy_static-14f14485c65df3e7.rlib" "/target/debug/deps/libspin-d198bfcffeb0e3ad.rlib" "/target/debug/deps/libbootloader_precompiled-f61d5a2a46845bf2.rlib" "/target/debug/deps/libos_bootinfo-b4342568bc4a022d.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic"
Dec 13 01:03:25.904 INFO [stderr]   = note: /target/debug/deps/blog_os-c5442cce77df4dba.blog_os.7gctnmdz-cgu.6.rcgu.o: In function `_start':
Dec 13 01:03:25.904 INFO [stderr]           /source/src/main.rs:20: multiple definition of `_start'
Dec 13 01:03:25.904 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 13 01:03:25.904 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.904 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 13 01:03:25.904 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.904 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 13 01:03:25.904 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.904 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 13 01:03:25.904 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.904 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 13 01:03:25.904 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 13 01:03:25.904 INFO [stderr]           
Dec 13 01:03:25.904 INFO [stderr] 
Dec 13 01:03:25.904 INFO [stderr] error: aborting due to previous error
Dec 13 01:03:25.904 INFO [stderr] 
Dec 13 01:03:25.923 INFO [stderr] error: Could not compile `blog_os`.
Dec 13 01:03:25.923 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 13 01:03:25.946 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 13 01:03:25.946 INFO [stderr]   |
Dec 13 01:03:25.946 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.0.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.1.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.2.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.3.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.4.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.5.rcgu.o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.6.rcgu.o" "-o" "/target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libblog_os-169a8eb7b4fbfd95.rlib" "/target/debug/deps/libvolatile-5b6d326e7801c8d6.rlib" "/target/debug/deps/libuart_16550-e4bf89df0156fd87.rlib" "/target/debug/deps/libx86_64-c61c021afa0b5144.rlib" "/target/debug/deps/libux-83a01d491b546601.rlib" "/target/debug/deps/libusize_conversions-8111d1de3aef5d86.rlib" "/target/debug/deps/libbit_field-f6c761de83bbe094.rlib" "/target/debug/deps/libbitflags-b089b40758e1aedc.rlib" "/target/debug/deps/liblazy_static-14f14485c65df3e7.rlib" "/target/debug/deps/libspin-d198bfcffeb0e3ad.rlib" "/target/debug/deps/libbootloader_precompiled-f61d5a2a46845bf2.rlib" "/target/debug/deps/libos_bootinfo-b4342568bc4a022d.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-02cab32753740b78.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-abcd26adb0919b33.rlib" "/rustup-home/toolchains/bd47d6825bf4090517549d33cfef10d3300b4a75-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e4966369233fd0ee.rlib" "-Wl,-Bdynamic"
Dec 13 01:03:25.946 INFO [stderr]   = note: /target/debug/deps/test_exception_double_fault_stack_overflow-5476a01c5233a250.test_exception_double_fault_stack_overflow.5mhjjmd2-cgu.3.rcgu.o: In function `_start':
Dec 13 01:03:25.946 INFO [stderr]           /source/src/bin/test-exception-double-fault-stack-overflow.rs:56: multiple definition of `_start'
Dec 13 01:03:25.946 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 13 01:03:25.946 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.946 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 13 01:03:25.946 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.946 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 13 01:03:25.946 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.946 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 13 01:03:25.946 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 13 01:03:25.946 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 13 01:03:25.946 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 13 01:03:25.946 INFO [stderr]           
Dec 13 01:03:25.946 INFO [stderr] 
Dec 13 01:03:25.946 INFO [stderr] error: aborting due to previous error
Dec 13 01:03:25.946 INFO [stderr] 
Dec 13 01:03:25.949 INFO [stderr] error: Could not compile `blog_os`.
Dec 13 01:03:25.949 INFO [stderr] 
Dec 13 01:03:25.949 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 01:03:25.950 INFO [stderr] su: No module specific data is present
Dec 13 01:03:26.443 INFO running `"docker" "inspect" "4c41ea76f03a4f5ef5ded7766d1b58ff8b1e11f4c57ba6661b9126ad82d30ea4"`
Dec 13 01:03:26.657 INFO running `"docker" "rm" "-f" "4c41ea76f03a4f5ef5ded7766d1b58ff8b1e11f4c57ba6661b9126ad82d30ea4"`
Dec 13 01:03:26.915 INFO [stdout] 4c41ea76f03a4f5ef5ded7766d1b58ff8b1e11f4c57ba6661b9126ad82d30ea4