[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#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluojia65%2Fluojia-os-labs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luojia65/luojia-os-labs on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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 bit_field v0.10.1
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded buddy_system_allocator v0.6.0
[INFO] [stderr]   Downloaded buddy_system_allocator v0.8.0
[INFO] [stderr]   Downloaded spin v0.9.0
[INFO] [stderr]   Downloaded woke v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 717db33453e3f48090885d8768c2bafc20b3c1666657cac4f7b968f6734a5c31
[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" "717db33453e3f48090885d8768c2bafc20b3c1666657cac4f7b968f6734a5c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717db33453e3f48090885d8768c2bafc20b3c1666657cac4f7b968f6734a5c31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717db33453e3f48090885d8768c2bafc20b3c1666657cac4f7b968f6734a5c31", kill_on_drop: false }`
[INFO] [stdout] 717db33453e3f48090885d8768c2bafc20b3c1666657cac4f7b968f6734a5c31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] df6daa5d3c9656b1bd0d69af81d46b9e180d055c87bd32264fadb48d1bdb0055
[INFO] running `Command { std: "docker" "start" "-a" "df6daa5d3c9656b1bd0d69af81d46b9e180d055c87bd32264fadb48d1bdb0055", kill_on_drop: false }`
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling spin v0.5.2
[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 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]     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]     Checking spin v0.7.1
[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]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling va-switch-kern v0.1.0 (/opt/rustwide/workdir/03a-va-switch-kern)
[INFO] [stderr]    Compiling multi-program-kern v0.1.0 (/opt/rustwide/workdir/02-multi-program-kern/kernel)
[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 magic-return-kern v0.1.0 (/opt/rustwide/workdir/01b-magic-return-kern/kernel)
[INFO] [stderr]    Compiling yield-batch-kernel v0.1.0 (/opt/rustwide/workdir/01a-yield-batch-kern/kernel)
[INFO] [stderr]    Compiling batch-kernel v0.1.0 (/opt/rustwide/workdir/01-batch-kernel/kernel)
[INFO] [stderr]    Compiling template-kernel v0.1.0 (/opt/rustwide/workdir/00-template-kernel)
[INFO] [stderr]    Compiling complex-ctx-kern v0.1.0 (/opt/rustwide/workdir/02a-complex-ctx-kern/kernel)
[INFO] [stderr]    Compiling trap-return-kern v0.1.0 (/opt/rustwide/workdir/02b-trap-return-kern/kernel)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking buddy_system_allocator v0.6.0
[INFO] [stderr]     Checking buddy_system_allocator v0.8.0
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr] error: failed to run custom build command for `va-switch-kern v0.1.0 (/opt/rustwide/workdir/03a-va-switch-kern)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/va-switch-kern-191b7522777c8dad/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/va-switch-kern-2c6fd629456f8386/out
[INFO] [stderr]   cargo:rerun-if-changed=../03-mmu-users/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" }', 03a-va-switch-kern/build.rs:25:49
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5557ccc870c0 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5557ccc870c0 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5557ccc870c0 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5557ccc870c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2a772198c4032452
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5557ccca11bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5557ccc85655 - std::io::Write::write_fmt::h00f38d9eb2c32e02
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/io/mod.rs:1663:15
[INFO] [stderr]      6:     0x5557ccc88e2b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5557ccc88e2b - std::sys_common::backtrace::print::h93b9e9ed2a98e611
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5557ccc88e2b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5557ccc88901 - std::panicking::default_hook::hdbc8b2951c5afbab
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5557ccc894f4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x5557ccc88fd7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5557ccc875bc - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5557ccc88f39 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5557ccc68061 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5557ccc680f3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5557ccc75d2e - core::result::Result<T,E>::unwrap::ha93d421bd91c8fc1
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x5557ccc70b84 - build_script_build::insert_app_data::hfd10f3d8e6f539c3
[INFO] [stderr]                                  at /opt/rustwide/workdir/03a-va-switch-kern/build.rs:25:17
[INFO] [stderr]     18:     0x5557ccc70abe - build_script_build::main::h8ff4087ddcd780b6
[INFO] [stderr]                                  at /opt/rustwide/workdir/03a-va-switch-kern/build.rs:21:5
[INFO] [stderr]     19:     0x5557ccc7691b - core::ops::function::FnOnce::call_once::h302488ac1eb8c047
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5557ccc6f10e - std::sys_common::backtrace::__rust_begin_short_backtrace::haaad0afd416e35cd
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5557ccc6d451 - std::rt::lang_start::{{closure}}::hfa1204767a33696c
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x5557ccc899fa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hcbe5785d54a49ce2
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5557ccc899fa - std::panicking::try::do_call::h1c15e7ee8563c29d
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5557ccc899fa - std::panicking::try::hb8b07cef009cb4fc
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5557ccc899fa - std::panic::catch_unwind::h65a8efbe596bcbb1
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5557ccc899fa - std::rt::lang_start_internal::{{closure}}::h66ded7ab0f18e9fb
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x5557ccc899fa - std::panicking::try::do_call::h29cafa65efb3f3f3
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x5557ccc899fa - std::panicking::try::h412fc5378b4dbfc4
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x5557ccc899fa - std::panic::catch_unwind::h555def6aac5bf192
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x5557ccc899fa - std::rt::lang_start_internal::hfff48202d7fee6e3
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x5557ccc6d420 - std::rt::lang_start::hb087d1aa3aeb530f
[INFO] [stderr]                                  at /rustc/ddfd70ee3c3748e597b32f416b0d15a4f6e37685/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x5557ccc7211c - main
[INFO] [stderr]     33:     0x7fd271b3a0b3 - __libc_start_main
[INFO] [stderr]     34:     0x5557ccc687fe - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "df6daa5d3c9656b1bd0d69af81d46b9e180d055c87bd32264fadb48d1bdb0055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6daa5d3c9656b1bd0d69af81d46b9e180d055c87bd32264fadb48d1bdb0055", kill_on_drop: false }`
[INFO] [stdout] df6daa5d3c9656b1bd0d69af81d46b9e180d055c87bd32264fadb48d1bdb0055