[INFO] cloning repository tanasinn/blog_os-tutorial [INFO] running `"git" "clone" "--bare" "git://github.com/tanasinn/blog_os-tutorial.git" "work/cache/sources/gh/tanasinn/blog_os-tutorial"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/tanasinn/blog_os-tutorial'... [INFO] running `"git" "clone" "work/cache/sources/gh/tanasinn/blog_os-tutorial" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tanasinn/blog_os-tutorial"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tanasinn/blog_os-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tanasinn/blog_os-tutorial" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tanasinn/blog_os-tutorial"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tanasinn/blog_os-tutorial'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7a2da0f2855e7c932dd10adbf714e6349fb362df [INFO] sha for GitHub repo tanasinn/blog_os-tutorial: 7a2da0f2855e7c932dd10adbf714e6349fb362df [INFO] validating manifest of tanasinn/blog_os-tutorial on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tanasinn/blog_os-tutorial on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tanasinn/blog_os-tutorial [INFO] finished frobbing tanasinn/blog_os-tutorial [INFO] frobbed toml for tanasinn/blog_os-tutorial written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/tanasinn/blog_os-tutorial/Cargo.toml [INFO] started frobbing tanasinn/blog_os-tutorial [INFO] finished frobbing tanasinn/blog_os-tutorial [INFO] frobbed toml for tanasinn/blog_os-tutorial written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tanasinn/blog_os-tutorial/Cargo.toml [INFO] crate tanasinn/blog_os-tutorial already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded x86_64 v0.7.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tanasinn/blog_os-tutorial against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/tanasinn/blog_os-tutorial:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 4d77ea937909cc2c8afb1b9ae83aa668121b0bdd375533fe6261f93f1203b121 [INFO] running `"docker" "start" "-a" "4d77ea937909cc2c8afb1b9ae83aa668121b0bdd375533fe6261f93f1203b121"` [INFO] [stderr] Compiling cc v1.0.31 [INFO] [stderr] Compiling llvm-tools v0.1.1 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling usize_conversions v0.2.0 [INFO] [stderr] Compiling bit_field v0.9.0 [INFO] [stderr] Compiling ux v0.1.3 [INFO] [stderr] Compiling os_bootinfo v0.2.1 [INFO] [stderr] Compiling zero v0.1.2 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling font8x8 v0.2.4 [INFO] [stderr] Compiling cpuio v0.2.0 [INFO] [stderr] Compiling pc-keyboard v0.3.1 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling spin v0.4.10 [INFO] [stderr] Compiling array-init v0.0.4 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling xmas-elf v0.6.2 [INFO] [stderr] Compiling pic8259_simple v0.1.1 [INFO] [stderr] Compiling bootloader v0.5.3 [INFO] [stderr] Compiling fixedvec v0.2.3 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling x86_64 v0.3.6 [INFO] [stderr] Compiling x86_64 v0.2.14 [INFO] [stderr] Compiling x86_64 v0.7.0 [INFO] [stderr] Compiling uart_16550 v0.1.0 [INFO] [stderr] Compiling blog_os v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:143:21 [INFO] [stderr] | [INFO] [stderr] 143 | 0x20...0x7e | b'\n' | b'\r' | 0x08 | 0x1b => 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: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:225:17 [INFO] [stderr] | [INFO] [stderr] 225 | b'0'...b'9' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:264:19 [INFO] [stderr] | [INFO] [stderr] 264 | 30...37 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:270:19 [INFO] [stderr] | [INFO] [stderr] 270 | 40...47 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:276:19 [INFO] [stderr] | [INFO] [stderr] 276 | 90...97 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/vga_buffer.rs:280:20 [INFO] [stderr] | [INFO] [stderr] 280 | 100...107 => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `int3` in module `x86_64::instructions` [INFO] [stderr] --> src/bin/test-exception-breakpoint.rs:49:27 [INFO] [stderr] | [INFO] [stderr] 49 | x86_64::instructions::int3(); [INFO] [stderr] | ^^^^ not found in `x86_64::instructions` [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 6 | use x86_64::instructions::interrupts::int3; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'x86_64::structures::idt::ExceptionStackFrame': This type was renamed to InterruptStackFrame. [INFO] [stderr] --> src/bin/test-exception-breakpoint.rs:13:31 [INFO] [stderr] | [INFO] [stderr] 13 | use x86_64::structures::idt::{ExceptionStackFrame, InterruptDescriptorTable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'x86_64::structures::idt::ExceptionStackFrame': This type was renamed to InterruptStackFrame. [INFO] [stderr] --> src/bin/test-exception-breakpoint.rs:27:65 [INFO] [stderr] | [INFO] [stderr] 27 | extern "x86-interrupt" fn breakpoint_handler(_stack_frame: &mut ExceptionStackFrame) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0425`. [INFO] [stderr] warning: use of deprecated item 'x86_64::structures::idt::ExceptionStackFrame': This type was renamed to InterruptStackFrame. [INFO] [stderr] --> src/bin/test-exception-double-fault-stack-overflow.rs:9:31 [INFO] [stderr] | [INFO] [stderr] 9 | use x86_64::structures::idt::{ExceptionStackFrame, InterruptDescriptorTable}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'x86_64::structures::idt::ExceptionStackFrame': This type was renamed to InterruptStackFrame. [INFO] [stderr] --> src/bin/test-exception-double-fault-stack-overflow.rs:28:24 [INFO] [stderr] | [INFO] [stderr] 28 | _stack_frame: &mut ExceptionStackFrame, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: Could not compile `blog_os`. [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/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_panic-234d3b4ffc4310ec.test_panic.8op6a0zd-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_panic-234d3b4ffc4310ec.test_panic.8op6a0zd-cgu.1.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_panic-234d3b4ffc4310ec" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libblog_os-52fa2c49019a89c8.rlib" "/opt/crater/target/debug/deps/libvolatile-a6274c63e85eedc4.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbootloader-51e3c4c1ff668dbd.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libx86_64-503a383d214fefb7.rlib" "/opt/crater/target/debug/deps/libcast-66e330f14156ac27.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-698b79b7f1bbc5d7.rlib" "/opt/crater/target/debug/deps/libarray_init-6ba58839649927b4.rlib" "/opt/crater/target/debug/deps/libnodrop-3e4eacebea822204.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/liblazy_static-de701c98ee84ab34.rlib" "/opt/crater/target/debug/deps/libspin-efe68d38fb3a8c35.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/crater/target/debug/deps/test_panic-234d3b4ffc4310ec.test_panic.8op6a0zd-cgu.1.rcgu.o: In function `_start': [INFO] [stderr] /opt/crater/workdir/src/bin/test-panic.rs:21: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [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 `blog_os`. [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/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.7.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libblog_os-52fa2c49019a89c8.rlib" "/opt/crater/target/debug/deps/libvolatile-a6274c63e85eedc4.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbootloader-51e3c4c1ff668dbd.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libx86_64-503a383d214fefb7.rlib" "/opt/crater/target/debug/deps/libcast-66e330f14156ac27.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-698b79b7f1bbc5d7.rlib" "/opt/crater/target/debug/deps/libarray_init-6ba58839649927b4.rlib" "/opt/crater/target/debug/deps/libnodrop-3e4eacebea822204.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/liblazy_static-de701c98ee84ab34.rlib" "/opt/crater/target/debug/deps/libspin-efe68d38fb3a8c35.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/crater/target/debug/deps/test_exception_double_fault_stack_overflow-4bc03d1ea7fc76f7.test_exception_double_fault_stack_overflow.6irxx3oi-cgu.5.rcgu.o: In function `_start': [INFO] [stderr] /opt/crater/workdir/src/bin/test-exception-double-fault-stack-overflow.rs:54: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [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 `blog_os`. [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/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_basic_boot-43cca1cf453a0a91.test_basic_boot.ate2njeb-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-43cca1cf453a0a91.test_basic_boot.ate2njeb-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-43cca1cf453a0a91.test_basic_boot.ate2njeb-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_basic_boot-43cca1cf453a0a91" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libblog_os-52fa2c49019a89c8.rlib" "/opt/crater/target/debug/deps/libvolatile-a6274c63e85eedc4.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbootloader-51e3c4c1ff668dbd.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libx86_64-503a383d214fefb7.rlib" "/opt/crater/target/debug/deps/libcast-66e330f14156ac27.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-698b79b7f1bbc5d7.rlib" "/opt/crater/target/debug/deps/libarray_init-6ba58839649927b4.rlib" "/opt/crater/target/debug/deps/libnodrop-3e4eacebea822204.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/liblazy_static-de701c98ee84ab34.rlib" "/opt/crater/target/debug/deps/libspin-efe68d38fb3a8c35.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/crater/target/debug/deps/test_basic_boot-43cca1cf453a0a91.test_basic_boot.ate2njeb-cgu.1.rcgu.o: In function `_start': [INFO] [stderr] /opt/crater/workdir/src/bin/test-basic-boot.rs:22: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [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 `blog_os`. [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/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libblog_os-52fa2c49019a89c8.rlib" "/opt/crater/target/debug/deps/libvolatile-a6274c63e85eedc4.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbootloader-51e3c4c1ff668dbd.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libx86_64-503a383d214fefb7.rlib" "/opt/crater/target/debug/deps/libcast-66e330f14156ac27.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-698b79b7f1bbc5d7.rlib" "/opt/crater/target/debug/deps/libarray_init-6ba58839649927b4.rlib" "/opt/crater/target/debug/deps/libnodrop-3e4eacebea822204.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/liblazy_static-de701c98ee84ab34.rlib" "/opt/crater/target/debug/deps/libspin-efe68d38fb3a8c35.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" [INFO] [stderr] = note: /opt/crater/target/debug/deps/blog_os-4c217b6e63338aaa.blog_os.9dynybkw-cgu.3.rcgu.o: In function `_start': [INFO] [stderr] /opt/crater/workdir/<::bootloader::entry_point macros>:2: multiple definition of `_start' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x12): undefined reference to `__libc_csu_fini' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x19): undefined reference to `__libc_csu_init' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [INFO] [stderr] (.text+0x20): undefined reference to `main' [INFO] [stderr] /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start': [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 `blog_os`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4d77ea937909cc2c8afb1b9ae83aa668121b0bdd375533fe6261f93f1203b121"` [INFO] running `"docker" "rm" "-f" "4d77ea937909cc2c8afb1b9ae83aa668121b0bdd375533fe6261f93f1203b121"` [INFO] [stdout] 4d77ea937909cc2c8afb1b9ae83aa668121b0bdd375533fe6261f93f1203b121