[INFO] cloning repository https://github.com/vihu/erlcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vihu/erlcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Ferlcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Ferlcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d3210ac2197666fda26c0e2dbcb7882bd6cadcf
[INFO] documenting vihu/erlcode 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%2Fvihu%2Ferlcode" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/vihu/erlcode
[INFO] finished tweaking git repo https://github.com/vihu/erlcode
[INFO] tweaked toml for git repo https://github.com/vihu/erlcode written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vihu/erlcode 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/vihu/erlcode 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]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/vihu/code-rs`
[INFO] [stderr]     Updating git repository `https://github.com/rusterlium/rustler.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binfield_matrix v0.2.0
[INFO] [stderr]   Downloaded cai_golay v0.1.1
[INFO] [stderr]   Downloaded cai_cyclic v0.1.2
[INFO] [stderr]   Downloaded collect_slice v1.2.0
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f05bdda03b5f91ced5f789d0e72ff87fbd06a30b47fa09ae815def583afd9347
[INFO] running `Command { std: "docker" "start" "-a" "f05bdda03b5f91ced5f789d0e72ff87fbd06a30b47fa09ae815def583afd9347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05bdda03b5f91ced5f789d0e72ff87fbd06a30b47fa09ae815def583afd9347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05bdda03b5f91ced5f789d0e72ff87fbd06a30b47fa09ae815def583afd9347", kill_on_drop: false }`
[INFO] [stdout] f05bdda03b5f91ced5f789d0e72ff87fbd06a30b47fa09ae815def583afd9347
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1685e2b89cd9fa2ec9dcfa73030970f14c299b707dca52d4eb9aa7805540ea38
[INFO] running `Command { std: "docker" "start" "-a" "1685e2b89cd9fa2ec9dcfa73030970f14c299b707dca52d4eb9aa7805540ea38", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling rustler v0.23.0 (https://github.com/rusterlium/rustler.git?branch=master#4d8a93ec)
[INFO] [stderr]     Checking collect_slice v1.2.0
[INFO] [stderr]    Compiling native v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking binfield_matrix v0.2.0
[INFO] [stderr]     Checking cai_cyclic v0.1.2
[INFO] [stderr]     Checking cai_golay v0.1.1
[INFO] [stderr]     Checking code-rs v1.0.1 (https://github.com/vihu/code-rs?branch=main#b7c0aafe)
[INFO] [stderr] error: failed to run custom build command for `native v0.1.0 (/opt/rustwide/workdir)`
[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/native-c8d4a5c98f98345f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (155) panicked at native/build.rs:35:60:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x617eb8409be2 - 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:     0x617eb8409be2 - 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:     0x617eb8409be2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x617eb8409be2 - <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:     0x617eb84188ea - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x617eb84188ea - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]      6:     0x617eb83e8d46 - std::io::default_write_fmt::h72db0b4dbd5dcfa2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x617eb83e8d46 - std::io::Write::write_fmt::hb496f2b9b027aa16
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x617eb83ef966 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x617eb83ef966 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x617eb83ef7c6 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x617eb83efbab - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x617eb83efa28 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x617eb83edf39 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x617eb83ddd3d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x617eb841b81c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x617eb841b1d2 - core::result::unwrap_failed::h7d4c34940aded59c
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x617eb83db155 - build_script_build::main::h9eb2935ba7b57d8f
[INFO] [stderr]     18:     0x617eb83dc7f3 - core::ops::function::FnOnce::call_once::h7f8f4b6f47c81291
[INFO] [stderr]     19:     0x617eb83dc386 - std::sys::backtrace::__rust_begin_short_backtrace::h8895390f9201ba2b
[INFO] [stderr]     20:     0x617eb83dc269 - std::rt::lang_start::{{closure}}::h7e5eff5d70950e7f
[INFO] [stderr]     21:     0x617eb83e9f46 - 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]     22:     0x617eb83e9f46 - std::panicking::catch_unwind::do_call::h761b8a8d54647a61
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x617eb83e9f46 - std::panicking::catch_unwind::hb78a0edcad597ebc
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x617eb83e9f46 - std::panic::catch_unwind::hf40177800cac754b
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x617eb83e9f46 - std::rt::lang_start_internal::{{closure}}::ha1b3ca2f45db2265
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x617eb83e9f46 - std::panicking::catch_unwind::do_call::hca68f60e509d57f2
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x617eb83e9f46 - std::panicking::catch_unwind::h75a65b4419799b0f
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x617eb83e9f46 - std::panic::catch_unwind::h56fc4c7ccdf741b6
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x617eb83e9f46 - std::rt::lang_start_internal::h267ec6e0203f10ab
[INFO] [stderr]                                  at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x617eb83dc251 - std::rt::lang_start::h18f33aac94e3eae3
[INFO] [stderr]     31:     0x617eb83dda25 - main
[INFO] [stderr]     32:     0x70377f7a71ca - <unknown>
[INFO] [stderr]     33:     0x70377f7a728b - __libc_start_main
[INFO] [stderr]     34:     0x617eb83da705 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1685e2b89cd9fa2ec9dcfa73030970f14c299b707dca52d4eb9aa7805540ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1685e2b89cd9fa2ec9dcfa73030970f14c299b707dca52d4eb9aa7805540ea38", kill_on_drop: false }`
[INFO] [stdout] 1685e2b89cd9fa2ec9dcfa73030970f14c299b707dca52d4eb9aa7805540ea38
