[INFO] updating cached repository https://github.com/shioyama18/rustos [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 550f38cbb3e6eb1e95fecba58208f36498717378 [INFO] testing shioyama18/rustos against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshioyama18%2Frustos" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shioyama18/rustos on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-14/source/.cargo/config [INFO] started tweaking git repo https://github.com/shioyama18/rustos [INFO] removed 0 missing tests [INFO] finished tweaking git repo https://github.com/shioyama18/rustos [INFO] tweaked toml for git repo https://github.com/shioyama18/rustos written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/shioyama18/rustos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3736b95611ae161b5e3d1288c949f1ae886cc0cdf8df34a5c694c8e4d94428cb [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3736b95611ae161b5e3d1288c949f1ae886cc0cdf8df34a5c694c8e4d94428cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3736b95611ae161b5e3d1288c949f1ae886cc0cdf8df34a5c694c8e4d94428cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3736b95611ae161b5e3d1288c949f1ae886cc0cdf8df34a5c694c8e4d94428cb", kill_on_drop: false }` [INFO] [stdout] 3736b95611ae161b5e3d1288c949f1ae886cc0cdf8df34a5c694c8e4d94428cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1e855c16bf87db4296fce68f2e24721fabb9bda1728d75c1f72ae49e4d656ad [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c1e855c16bf87db4296fce68f2e24721fabb9bda1728d75c1f72ae49e4d656ad", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling x86_64 v0.11.0 [INFO] [stderr] Compiling bootloader v0.9.4 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling cpuio v0.3.0 [INFO] [stderr] Compiling conquer-util v0.2.0 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling pc-keyboard v0.5.0 [INFO] [stderr] Compiling volatile v0.2.6 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling pic8259_simple v0.2.0 [INFO] [stderr] Compiling conquer-once v0.2.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling spinning_top v0.1.0 [INFO] [stderr] Compiling linked_list_allocator v0.8.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling uart_16550 v0.2.7 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling rustos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: linking with `cc` failed: exit code: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6" "/opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.1uvir8rbpnbyy0to.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librustos-55f73f620abcf209.rlib" "/opt/rustwide/target/debug/deps/liblinked_list_allocator-ea060dafb295287e.rlib" "/opt/rustwide/target/debug/deps/libspinning_top-8fa8431919d2162e.rlib" "/opt/rustwide/target/debug/deps/liblock_api-d68bce7376079e0e.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-83925f154251834b.rlib" "/opt/rustwide/target/debug/deps/libvolatile-4d05b93ec8397c6b.rlib" "/opt/rustwide/target/debug/deps/libpc_keyboard-9c09076c3dc427e5.rlib" "/opt/rustwide/target/debug/deps/libfutures_util-cd685c45d65fde54.rlib" "/opt/rustwide/target/debug/deps/libpin_project-894be4e2dc06139a.rlib" "/opt/rustwide/target/debug/deps/libfutures_task-931d260926c004dd.rlib" "/opt/rustwide/target/debug/deps/libpin_utils-76a983e7f5d09f6d.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-5212cc1be1e641d0.rlib" "/opt/rustwide/target/debug/deps/libconquer_once-4ef5d42735d53413.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-e1ed4ba473c3198e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-3c6918781b206208.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-bf12b0c5aabd8437.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-57baadc6d0a4e313.rlib" "/opt/rustwide/target/debug/deps/libuart_16550-73767dc79eddd142.rlib" "/opt/rustwide/target/debug/deps/libpic8259_simple-5f19527403e28bb1.rlib" "/opt/rustwide/target/debug/deps/libcpuio-21ad9bada300bd11.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-63fcdb5dcf52087e.rlib" "/opt/rustwide/target/debug/deps/libspin-95ac90917f360d31.rlib" "/opt/rustwide/target/debug/deps/libx86_64-e109de1658565ee3.rlib" "/opt/rustwide/target/debug/deps/libbit_field-2ed63a2094fb2d5d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ae2036a04cdc1e69.rlib" "/opt/rustwide/target/debug/deps/libbootloader-dd6c653ccb72721a.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rustos-20bb4fb62606b8d6.rustos.5y5y8hwm-cgu.1.rcgu.o: in function `_start': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bootloader-0.9.4/src/lib.rs:35: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here [INFO] [stdout] /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': [INFO] [stdout] (.text+0x16): undefined reference to `__libc_csu_fini' [INFO] [stdout] /usr/bin/ld: (.text+0x1d): undefined reference to `__libc_csu_init' [INFO] [stdout] /usr/bin/ld: (.text+0x24): undefined reference to `main' [INFO] [stdout] /usr/bin/ld: (.text+0x2a): undefined reference to `__libc_start_main' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustos`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c1e855c16bf87db4296fce68f2e24721fabb9bda1728d75c1f72ae49e4d656ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1e855c16bf87db4296fce68f2e24721fabb9bda1728d75c1f72ae49e4d656ad", kill_on_drop: false }` [INFO] [stdout] c1e855c16bf87db4296fce68f2e24721fabb9bda1728d75c1f72ae49e4d656ad