[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] checking luojia65/luojia-os-labs against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luojia65/luojia-os-labs on toolchain 39e1293fce4b650061e85dda88aa428f726a8444 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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-11/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/rust-embedded/riscv` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded regex v1.4.5 [INFO] [stderr] Downloaded spin v0.7.1 [INFO] [stderr] Downloaded aho-corasick v0.7.15 [INFO] [stderr] Downloaded woke v0.0.2 [INFO] [stderr] Downloaded regex-syntax v0.6.23 [INFO] [stderr] Downloaded lock_api v0.4.4 [INFO] [stderr] Downloaded spin v0.9.0 [INFO] [stderr] Downloaded bit_field v0.10.1 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded spin v0.5.2 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded buddy_system_allocator v0.8.0 [INFO] [stderr] Downloaded buddy_system_allocator v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3cfe0eada7037d981b9ec803f44dc29891c21e50f30f8dc55af5549e4c5ae6c3 [INFO] running `Command { std: "docker" "start" "-a" "3cfe0eada7037d981b9ec803f44dc29891c21e50f30f8dc55af5549e4c5ae6c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cfe0eada7037d981b9ec803f44dc29891c21e50f30f8dc55af5549e4c5ae6c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cfe0eada7037d981b9ec803f44dc29891c21e50f30f8dc55af5549e4c5ae6c3", kill_on_drop: false }` [INFO] [stdout] 3cfe0eada7037d981b9ec803f44dc29891c21e50f30f8dc55af5549e4c5ae6c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6ba4386ffe70f516f55e07e6cfaea231e87f1ff42e3a99194e5e9c30f6dc8e16 [INFO] running `Command { std: "docker" "start" "-a" "6ba4386ffe70f516f55e07e6cfaea231e87f1ff42e3a99194e5e9c30f6dc8e16", kill_on_drop: false }` [INFO] [stderr] Checking r0 v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/user) [INFO] [stderr] Compiling yield-batch-kernel-user v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/user) [INFO] [stderr] Compiling multi-program-user v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/user) [INFO] [stderr] Compiling magic-return-user v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/user) [INFO] [stderr] Checking bit_field v0.10.1 [INFO] [stderr] Compiling trap-return-user v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/user) [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling mmu-user v0.1.0 (/opt/rustwide/workdir/03-mmu-users) [INFO] [stderr] Checking spin v0.7.1 [INFO] [stderr] Compiling complex-ctx-user v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/user) [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking woke v0.0.2 [INFO] [stderr] Compiling virt-addr-kern v0.1.0 (/opt/rustwide/workdir/03-virt-addr-kern) [INFO] [stderr] Compiling template-kernel v0.1.0 (/opt/rustwide/workdir/00-template-kernel) [INFO] [stderr] Compiling yield-batch-kernel v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/kernel) [INFO] [stderr] Compiling complex-ctx-kern v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/kernel) [INFO] [stderr] Compiling multi-program-kern v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/kernel) [INFO] [stderr] Compiling magic-return-kern v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/kernel) [INFO] [stderr] Compiling batch-kernel v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/kernel) [INFO] [stderr] Compiling trap-return-kern v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/kernel) [INFO] [stderr] Compiling va-switch-kern v0.1.0 (/opt/rustwide/workdir/03a-va-switch-kern) [INFO] [stderr] Checking buddy_system_allocator v0.6.0 [INFO] [stderr] Checking buddy_system_allocator v0.8.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking spin v0.9.0 [INFO] [stderr] error: failed to run custom build command for `magic-return-kern v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/kernel)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/magic-return-kern-8401d045871b1ff8/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/magic-return-kern-afebe92e83d4e22e/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" }', 01b-magic-return-kern/kernel/build.rs:25:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5592b8ef8aa0 - std::backtrace_rs::backtrace::libunwind::trace::h0197874f43e7190f [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5592b8ef8aa0 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdfd566bbbda6f2d [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5592b8ef8aa0 - std::sys_common::backtrace::_print_fmt::hb3b4707c15b032a1 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5592b8ef8aa0 - ::fmt::had1dceac8b072f88 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5592b8f12c5c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/fmt/mod.rs:1117:17 [INFO] [stderr] 5: 0x5592b8ef7075 - std::io::Write::write_fmt::h05c3bb2bc83b8ed0 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/io/mod.rs:1667:15 [INFO] [stderr] 6: 0x5592b8efa20b - std::sys_common::backtrace::_print::h10f0826b2a586b58 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5592b8efa20b - std::sys_common::backtrace::print::h0d4242fbd1ac3eb6 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5592b8efa20b - std::panicking::default_hook::{{closure}}::h275ead39fe8b8e2a [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:210:50 [INFO] [stderr] 9: 0x5592b8ef9d80 - std::panicking::default_hook::h5505d4d90f5984d9 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x5592b8efa8d4 - std::panicking::rust_panic_with_hook::h2f8980d1d9fd4ca0 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:624:17 [INFO] [stderr] 11: 0x5592b8efa3b0 - std::panicking::begin_panic_handler::{{closure}}::hd87853ef7e40ae97 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:521:13 [INFO] [stderr] 12: 0x5592b8ef8fa4 - std::sys_common::backtrace::__rust_end_short_backtrace::hcab167aa940694a2 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5592b8efa319 - rust_begin_unwind [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:517:5 [INFO] [stderr] 14: 0x5592b8eda021 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/panicking.rs:93:14 [INFO] [stderr] 15: 0x5592b8eda0b3 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/result.rs:1617:5 [INFO] [stderr] 16: 0x5592b8ee44cd - core::result::Result::unwrap::h7eada21eb389f6a0 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/result.rs:1299:23 [INFO] [stderr] 17: 0x5592b8ee6394 - build_script_build::insert_app_data::hab709ae191977df3 [INFO] [stderr] at /opt/rustwide/workdir/01b-magic-return-kern/kernel/build.rs:25:17 [INFO] [stderr] 18: 0x5592b8ee62ce - build_script_build::main::hc13f850b579b2434 [INFO] [stderr] at /opt/rustwide/workdir/01b-magic-return-kern/kernel/build.rs:21:5 [INFO] [stderr] 19: 0x5592b8ee84eb - core::ops::function::FnOnce::call_once::h80290f7dd5f52d7a [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x5592b8edfd2e - std::sys_common::backtrace::__rust_begin_short_backtrace::he168fa947ae9899b [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x5592b8edf3f1 - std::rt::lang_start::{{closure}}::h9e7797ebac801022 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/rt.rs:63:18 [INFO] [stderr] 22: 0x5592b8efadda - core::ops::function::impls:: for &F>::call_once::h5e3bbb97afe2bb03 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x5592b8efadda - std::panicking::try::do_call::h48c2d717cec4bdcb [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:403:40 [INFO] [stderr] 24: 0x5592b8efadda - std::panicking::try::h2a49bc215893bc14 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:367:19 [INFO] [stderr] 25: 0x5592b8efadda - std::panic::catch_unwind::h6d23b7c99550c7ff [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panic.rs:129:14 [INFO] [stderr] 26: 0x5592b8efadda - std::rt::lang_start_internal::{{closure}}::h251a0c0729f15896 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/rt.rs:45:48 [INFO] [stderr] 27: 0x5592b8efadda - std::panicking::try::do_call::h4830e784a9b9d1ad [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:403:40 [INFO] [stderr] 28: 0x5592b8efadda - std::panicking::try::h0427859d2ad3b3b9 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panicking.rs:367:19 [INFO] [stderr] 29: 0x5592b8efadda - std::panic::catch_unwind::h4079bfb63395be0f [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/panic.rs:129:14 [INFO] [stderr] 30: 0x5592b8efadda - std::rt::lang_start_internal::h408e9d26a25a1f08 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/rt.rs:45:20 [INFO] [stderr] 31: 0x5592b8edf3c0 - std::rt::lang_start::h582727e5f753d445 [INFO] [stderr] at /rustc/39e1293fce4b650061e85dda88aa428f726a8444/library/std/src/rt.rs:62:5 [INFO] [stderr] 32: 0x5592b8ee73bc - main [INFO] [stderr] 33: 0x7fd7aeea30b3 - __libc_start_main [INFO] [stderr] 34: 0x5592b8eda7be - _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" "6ba4386ffe70f516f55e07e6cfaea231e87f1ff42e3a99194e5e9c30f6dc8e16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ba4386ffe70f516f55e07e6cfaea231e87f1ff42e3a99194e5e9c30f6dc8e16", kill_on_drop: false }` [INFO] [stdout] 6ba4386ffe70f516f55e07e6cfaea231e87f1ff42e3a99194e5e9c30f6dc8e16