[INFO] cloning repository https://github.com/luojia65/luojia-os-labs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luojia65/luojia-os-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] efe6c41bc592847b276d61d60c5436b3db637919 [INFO] testing luojia65/luojia-os-labs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luojia65/luojia-os-labs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] finished tweaking git repo https://github.com/luojia65/luojia-os-labs [INFO] tweaked toml for git repo https://github.com/luojia65/luojia-os-labs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/luojia65/luojia-os-labs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0726d3d56f27abda5b2d48d335223b621c361bc126f5ae310b3c8d90d0ca0086 [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" "0726d3d56f27abda5b2d48d335223b621c361bc126f5ae310b3c8d90d0ca0086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0726d3d56f27abda5b2d48d335223b621c361bc126f5ae310b3c8d90d0ca0086", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0726d3d56f27abda5b2d48d335223b621c361bc126f5ae310b3c8d90d0ca0086", kill_on_drop: false }` [INFO] [stdout] 0726d3d56f27abda5b2d48d335223b621c361bc126f5ae310b3c8d90d0ca0086 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d824458bf793e3215c815cd84723133ea128dc7af7281c6a6e5d4247af3d66f [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" "1d824458bf793e3215c815cd84723133ea128dc7af7281c6a6e5d4247af3d66f", kill_on_drop: false }` [INFO] [stderr] Compiling r0 v1.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling bit_field v0.10.1 [INFO] [stderr] Compiling yield-batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/user) [INFO] [stderr] Compiling batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/user) [INFO] [stderr] Compiling spin v0.7.1 [INFO] [stderr] Compiling magic-return-user v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/user) [INFO] [stderr] Compiling multi-program-user v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/user) [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling trap-return-user v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/user) [INFO] [stderr] Compiling mmu-user v0.1.0 (/opt/rustwide/workdir/03-mmu-users) [INFO] [stderr] Compiling complex-ctx-user v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/user) [INFO] [stderr] Compiling yield-batch-kernel v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/kernel) [INFO] [stderr] Compiling multi-program-kern v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/kernel) [INFO] [stderr] Compiling batch-kernel v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/kernel) [INFO] [stderr] Compiling woke v0.0.2 [INFO] [stderr] Compiling complex-ctx-kern v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/kernel) [INFO] [stderr] Compiling template-kernel v0.1.0 (/opt/rustwide/workdir/00-template-kernel) [INFO] [stderr] Compiling va-switch-kern v0.1.0 (/opt/rustwide/workdir/03a-va-switch-kern) [INFO] [stderr] Compiling virt-addr-kern v0.1.0 (/opt/rustwide/workdir/03-virt-addr-kern) [INFO] [stderr] Compiling trap-return-kern v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/kernel) [INFO] [stderr] Compiling magic-return-kern v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/kernel) [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling buddy_system_allocator v0.8.0 [INFO] [stderr] Compiling buddy_system_allocator v0.6.0 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling spin v0.9.0 [INFO] [stderr] error: failed to run custom build command for `yield-batch-kernel v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/kernel)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/yield-batch-kernel-3473eeb3ee035e20/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] cargo:rerun-if-changed=src/linker64.ld [INFO] [stderr] cargo:rustc-link-search=/opt/rustwide/target/debug/build/yield-batch-kernel-882b8d8b290d969f/out [INFO] [stderr] cargo:rerun-if-changed=../user/src/ [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', 01a-yield-batch-kern/kernel/build.rs:25:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55feb9f9a0ec - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x55feb9f9a0ec - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55feb9f9a0ec - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55feb9f9a0ec - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55feb9fb4c5c - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x55feb9f97775 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x55feb9f9b6f0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55feb9f9b6f0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55feb9f9b6f0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x55feb9f9b29b - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x55feb9f9bda4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x55feb9f9b880 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x55feb9f9a5a4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x55feb9f9b7e9 - rust_begin_unwind [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x55feb9f74ef1 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x55feb9f74f83 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x55feb9f7fc5d - core::result::Result::unwrap::h2cb1b6cc1cacf5df [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x55feb9f81394 - build_script_build::insert_app_data::he44f569c98aacae2 [INFO] [stderr] at /opt/rustwide/workdir/01a-yield-batch-kern/kernel/build.rs:25:17 [INFO] [stderr] 18: 0x55feb9f812ce - build_script_build::main::h9333a4474ff0477f [INFO] [stderr] at /opt/rustwide/workdir/01a-yield-batch-kern/kernel/build.rs:21:5 [INFO] [stderr] 19: 0x55feb9f83ebb - core::ops::function::FnOnce::call_once::hfc8b4bfb7dc52272 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55feb9f7ccee - std::sys_common::backtrace::__rust_begin_short_backtrace::hd3cdd705833b80ea [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x55feb9f79611 - std::rt::lang_start::{{closure}}::hbd61841ccfe344a5 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x55feb9f99931 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55feb9f99931 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x55feb9f99931 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x55feb9f99931 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x55feb9f99931 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x55feb9f99931 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x55feb9f99931 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x55feb9f99931 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x55feb9f99931 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x55feb9f795e0 - std::rt::lang_start::h2636cce751f398ae [INFO] [stderr] at /rustc/a77da2d454e6caa227a85b16410b95f93495e7e0/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x55feb9f823bc - main [INFO] [stderr] 33: 0x7f60cc2560b3 - __libc_start_main [INFO] [stderr] 34: 0x55feb9f7564e - _start [INFO] [stderr] 35: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1d824458bf793e3215c815cd84723133ea128dc7af7281c6a6e5d4247af3d66f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d824458bf793e3215c815cd84723133ea128dc7af7281c6a6e5d4247af3d66f", kill_on_drop: false }` [INFO] [stdout] 1d824458bf793e3215c815cd84723133ea128dc7af7281c6a6e5d4247af3d66f