[INFO] cloning repository https://github.com/kermitchang/OS_KERNEL [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kermitchang/OS_KERNEL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermitchang%2FOS_KERNEL", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermitchang%2FOS_KERNEL'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8dbd7f2d450289117934dcd20af074a4c3dfc6e [INFO] testing kermitchang/OS_KERNEL against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkermitchang%2FOS_KERNEL" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/kermitchang/OS_KERNEL [INFO] finished tweaking git repo https://github.com/kermitchang/OS_KERNEL [INFO] tweaked toml for git repo https://github.com/kermitchang/OS_KERNEL written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kermitchang/OS_KERNEL on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kermitchang/OS_KERNEL already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b225cbcec85d4f874b35b586fa046e3943d6215a50ed6ff59d3e25b3b828341e [INFO] running `Command { std: "docker" "start" "-a" "b225cbcec85d4f874b35b586fa046e3943d6215a50ed6ff59d3e25b3b828341e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b225cbcec85d4f874b35b586fa046e3943d6215a50ed6ff59d3e25b3b828341e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b225cbcec85d4f874b35b586fa046e3943d6215a50ed6ff59d3e25b3b828341e", kill_on_drop: false }` [INFO] [stdout] b225cbcec85d4f874b35b586fa046e3943d6215a50ed6ff59d3e25b3b828341e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8ce9370e79796b019e8fc6399cb03ebeb6dde9975b765ec6f247761ddf95763 [INFO] running `Command { std: "docker" "start" "-a" "f8ce9370e79796b019e8fc6399cb03ebeb6dde9975b765ec6f247761ddf95763", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.2.31 [INFO] [stderr] Compiling os_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/rustcb3nIHo/symbols.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcb3nIHo/raw-dylibs" "-Wl,-Bdynamic" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/os_kernel-78a26b4f8b018a83" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "-Tlink.ld" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: undefined symbol: main [INFO] [stdout] >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start) [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: __libc_start_main [INFO] [stdout] >>> referenced by /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start) [INFO] [stdout] [INFO] [stdout] rust-lld: error: undefined symbol: rust_eh_personality [INFO] [stdout] >>> referenced by core.fa0eadad68403074-cgu.0 [INFO] [stdout] >>> core-623c95ae80599cdd.core.fa0eadad68403074-cgu.0.rcgu.o:(DW.ref.rust_eh_personality) in archive /opt/rustwide/rustup-home/toolchains/562dee4820c458d823175268e41601d4c060588a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-623c95ae80599cdd.rlib [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `os_kernel` (bin "os_kernel") due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "f8ce9370e79796b019e8fc6399cb03ebeb6dde9975b765ec6f247761ddf95763", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8ce9370e79796b019e8fc6399cb03ebeb6dde9975b765ec6f247761ddf95763", kill_on_drop: false }` [INFO] [stdout] f8ce9370e79796b019e8fc6399cb03ebeb6dde9975b765ec6f247761ddf95763