[INFO] updating cached repository https://github.com/SilverEzhik/nittsu [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] 108df1112b346b3b2fccfa2ac2eaba2f5115fc09 [INFO] testing SilverEzhik/nittsu against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilverEzhik%2Fnittsu" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SilverEzhik/nittsu 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/SilverEzhik/nittsu [INFO] finished tweaking git repo https://github.com/SilverEzhik/nittsu [INFO] tweaked toml for git repo https://github.com/SilverEzhik/nittsu written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/SilverEzhik/nittsu 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 768ac5599cb3c23c42cb109e8ec0d3f08b1a738e2945ba6c33778d31de387587 [INFO] running `"docker" "start" "-a" "768ac5599cb3c23c42cb109e8ec0d3f08b1a738e2945ba6c33778d31de387587"` [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling x86 v0.13.0 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling ux v0.1.2 [INFO] [stderr] Compiling spin v0.4.9 [INFO] [stderr] Compiling bootloader_precompiled v0.2.0 [INFO] [stderr] Compiling multiboot2 v0.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling raw-cpuid v6.1.0 [INFO] [stderr] Compiling x86_64 v0.2.14 [INFO] [stderr] Compiling nittsu v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/macros.rs:21:1 [INFO] [stderr] | [INFO] [stderr] 21 | / macro_rules! serial_print { [INFO] [stderr] 22 | | ($($arg:tt)*) => { [INFO] [stderr] 23 | | $crate::hal::serial_print(format_args!($($arg)*)); [INFO] [stderr] 24 | | }; [INFO] [stderr] 25 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/macros.rs:28:1 [INFO] [stderr] | [INFO] [stderr] 28 | / macro_rules! serial_println { [INFO] [stderr] 29 | | () => (serial_print!("\n")); [INFO] [stderr] 30 | | ($fmt:expr) => (serial_print!(concat!($fmt, "\n"))); [INFO] [stderr] 31 | | ($fmt:expr, $($arg:tt)*) => (serial_print!(concat!($fmt, "\n"), $($arg)*)); [INFO] [stderr] 32 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `hal::do_not_interrupt` [INFO] [stderr] --> src/hal/x86_64/ktty/mod.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use hal::do_not_interrupt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/hal/x86_64/ktty/mod.rs:115:21 [INFO] [stderr] | [INFO] [stderr] 115 | 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: function is never used: `stack_jmp` [INFO] [stderr] --> src/hal/x86_64/tasks/mod.rs:1:15 [INFO] [stderr] | [INFO] [stderr] 1 | pub unsafe fn stack_jmp(stack: *mut (), ip: *const ()) -> ! { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `a` [INFO] [stderr] --> src/hal/x86_64/interrupts/idt.rs:138:4 [INFO] [stderr] | [INFO] [stderr] 138 | fn a() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `b` [INFO] [stderr] --> src/hal/x86_64/interrupts/idt.rs:144:4 [INFO] [stderr] | [INFO] [stderr] 144 | fn b() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_evil` [INFO] [stderr] --> src/hal/x86_64/mod.rs:17:4 [INFO] [stderr] | [INFO] [stderr] 17 | fn test_evil() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Kernel` [INFO] [stderr] --> src/hal/privelege.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | Kernel = 0, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `User` [INFO] [stderr] --> src/hal/privelege.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | User = 3, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Hypervisor` [INFO] [stderr] --> src/hal/privelege.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | Hypervisor = -1, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused attribute [INFO] [stderr] --> src/hal/x86_64/mod.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [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/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/nittsu-2815e9e9d0b24f49" "-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/libpic8259_simple-b0c36641067d4f15.rlib" "/opt/rustwide/target/debug/deps/libcpuio-d679d045f3f5d1c4.rlib" "/opt/rustwide/target/debug/deps/libvolatile-caf597196b49443e.rlib" "/opt/rustwide/target/debug/deps/libx86_64-963c11fcc8c1247e.rlib" "/opt/rustwide/target/debug/deps/libux-78a1a6ba31f82b14.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/libx86-ac17f0f2cb3df029.rlib" "/opt/rustwide/target/debug/deps/libraw_cpuid-2f68d25e9ca4ad1e.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e926485744da2fe8.rlib" "/opt/rustwide/target/debug/deps/libmultiboot2-c90d997d3831ec63.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e7c29ed4ca7a8c52.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5019e3cf41b4603c.rlib" "/opt/rustwide/target/debug/deps/libspin-290ec2e457634f45.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/nittsu-2815e9e9d0b24f49.nittsu.dr2b8qry-cgu.9.rcgu.o: In function `_start': [INFO] [stderr] /opt/rustwide/workdir/src/main.rs:27: 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; 12 warnings emitted [INFO] [stderr] [INFO] [stderr] error: could not compile `nittsu`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "768ac5599cb3c23c42cb109e8ec0d3f08b1a738e2945ba6c33778d31de387587"` [INFO] running `"docker" "rm" "-f" "768ac5599cb3c23c42cb109e8ec0d3f08b1a738e2945ba6c33778d31de387587"` [INFO] [stdout] 768ac5599cb3c23c42cb109e8ec0d3f08b1a738e2945ba6c33778d31de387587