[INFO] cloning repository https://github.com/trendy31158/firecracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trendy31158/firecracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrendy31158%2Ffirecracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrendy31158%2Ffirecracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70ac1544d3bb460c47d93132f59a9e35cd5ad3da
[INFO] documenting trendy31158/firecracker against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrendy31158%2Ffirecracker" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/trendy31158/firecracker
[INFO] finished tweaking git repo https://github.com/trendy31158/firecracker
[INFO] tweaked toml for git repo https://github.com/trendy31158/firecracker written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/trendy31158/firecracker on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/trendy31158/firecracker 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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vm-superio v0.8.0
[INFO] [stderr]   Downloaded uuid-macro-internal v1.11.0
[INFO] [stderr]   Downloaded userfaultfd-sys v0.5.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.13
[INFO] [stderr]   Downloaded device_tree v1.1.0
[INFO] [stderr]   Downloaded clap-num v1.1.1
[INFO] [stderr]   Downloaded thiserror-impl v2.0.7
[INFO] [stderr]   Downloaded thiserror v2.0.7
[INFO] [stderr]   Downloaded cargo_toml v0.21.0
[INFO] [stderr]   Downloaded crc64 v2.0.0
[INFO] [stderr]   Downloaded vm-allocator v0.1.1
[INFO] [stderr]   Downloaded linux-loader v0.13.0
[INFO] [stderr]   Downloaded kvm-ioctls v0.19.1
[INFO] [stderr]   Downloaded event-manager v0.4.0
[INFO] [stderr]   Downloaded kvm-bindings v0.10.0
[INFO] [stderr]   Downloaded vm-memory v0.16.1
[INFO] [stderr]   Downloaded gdbstub v0.7.3
[INFO] [stderr]   Downloaded vm-fdt v0.3.0
[INFO] [stderr]   Downloaded aws-lc-rs v1.11.1
[INFO] [stderr]   Downloaded gdbstub_arch v0.3.1
[INFO] [stderr]   Downloaded vhost v0.13.0
[INFO] [stderr]   Downloaded zerocopy v0.8.13
[INFO] [stderr]   Downloaded userfaultfd v0.8.1
[INFO] [stderr]   Downloaded timerfd v1.6.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.12.1
[INFO] [stderr]   Downloaded aws-lc-fips-sys v0.12.15
[INFO] [stderr]   Downloaded aws-lc-sys v0.23.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ca62f9b3cf764ed20ab3941da117a06083bf500183fc9d512c7d904b6fe7e5a
[INFO] running `Command { std: "docker" "start" "-a" "5ca62f9b3cf764ed20ab3941da117a06083bf500183fc9d512c7d904b6fe7e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ca62f9b3cf764ed20ab3941da117a06083bf500183fc9d512c7d904b6fe7e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca62f9b3cf764ed20ab3941da117a06083bf500183fc9d512c7d904b6fe7e5a", kill_on_drop: false }`
[INFO] [stdout] 5ca62f9b3cf764ed20ab3941da117a06083bf500183fc9d512c7d904b6fe7e5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa80b9b9b9beeaaab83bf825ab574b1c2643840380097e9004e14d83a5459603
[INFO] running `Command { std: "docker" "start" "-a" "fa80b9b9b9beeaaab83bf825ab574b1c2643840380097e9004e14d83a5459603", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling thiserror v2.0.7
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking typenum v1.17.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.2.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bindgen v0.68.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling zerocopy v0.8.13
[INFO] [stderr]     Checking cpufeatures v0.2.16
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling kvm-ioctls v0.19.1
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]    Compiling micro_http v0.1.0 (https://github.com/firecracker-microvm/micro-http#8182cd55)
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]    Compiling aws-lc-rs v1.11.1
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking slab v0.4.9
[INFO] [stderr]     Checking vm-superio v0.8.0
[INFO] [stderr]     Checking crc64 v2.0.0
[INFO] [stderr]     Checking unicode-ident v1.0.14
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling cpu-template-helper v1.11.0-dev (/opt/rustwide/workdir/src/cpu-template-helper)
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr] error: failed to run custom build command for `cpu-template-helper v1.11.0-dev (/opt/rustwide/workdir/src/cpu-template-helper)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cpu-template-helper-33f1524dae865812/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/utils/mock_kernel/main.c
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   /usr/bin/ld: cannot open output file src/utils/mock_kernel/kernel.bin: Read-only file system
[INFO] [stderr]   collect2: error: ld returned 1 exit status
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (893) panicked at src/cpu-template-helper/build.rs:44:13:
[INFO] [stderr]   Failed to compile mock kernel
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x606f08364062 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x606f08364062 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x606f08364062 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x606f08364062 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x606f08372faa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x606f08372faa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]      6:     0x606f0833bc66 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x606f0833bc66 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x606f08346616 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x606f08346616 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x606f08346476 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x606f0834685b - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x606f0834670a - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x606f08344b99 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x606f08330cad - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x606f0837602c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x606f0832cee9 - build_script_build::main::h6172028a72c68e5f
[INFO] [stderr]     17:     0x606f0832dd43 - core::ops::function::FnOnce::call_once::h0aa2023dd312fbd3
[INFO] [stderr]     18:     0x606f0832d926 - std::sys::backtrace::__rust_begin_short_backtrace::h0c01bb0e767e6b1a
[INFO] [stderr]     19:     0x606f0832d889 - std::rt::lang_start::{{closure}}::h4cdba2aaf06601ce
[INFO] [stderr]     20:     0x606f0833d326 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd1cc8864ab2ce613
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x606f0833d326 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     22:     0x606f0833d326 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     23:     0x606f0833d326 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x606f0833d326 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x606f0833d326 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x606f0833d326 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x606f0833d326 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x606f0833d326 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x606f0832d871 - std::rt::lang_start::h1161239c2ce576c6
[INFO] [stderr]     30:     0x606f08330995 - main
[INFO] [stderr]     31:     0x77332b8d81ca - <unknown>
[INFO] [stderr]     32:     0x77332b8d828b - __libc_start_main
[INFO] [stderr]     33:     0x606f0832cbf5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fa80b9b9b9beeaaab83bf825ab574b1c2643840380097e9004e14d83a5459603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa80b9b9b9beeaaab83bf825ab574b1c2643840380097e9004e14d83a5459603", kill_on_drop: false }`
[INFO] [stdout] fa80b9b9b9beeaaab83bf825ab574b1c2643840380097e9004e14d83a5459603
