[INFO] fetching crate rtpx 1.0.5...
[INFO] testing rtpx-1.0.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rtpx 1.0.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rtpx 1.0.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rtpx 1.0.5
[INFO] tweaked toml for crates.io crate rtpx 1.0.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtpx 1.0.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rtpx 1.0.5 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 270e7343e07035507f947c1ebd50d6f31e33788b8b39894c5d0b7d5ad8cef720
[INFO] running `Command { std: "docker" "start" "-a" "270e7343e07035507f947c1ebd50d6f31e33788b8b39894c5d0b7d5ad8cef720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "270e7343e07035507f947c1ebd50d6f31e33788b8b39894c5d0b7d5ad8cef720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "270e7343e07035507f947c1ebd50d6f31e33788b8b39894c5d0b7d5ad8cef720", kill_on_drop: false }`
[INFO] [stdout] 270e7343e07035507f947c1ebd50d6f31e33788b8b39894c5d0b7d5ad8cef720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf076c6994884cd7457444730d1f1c1dbf4d98b5c4174197c3c0ec3c1eff1236
[INFO] running `Command { std: "docker" "start" "-a" "cf076c6994884cd7457444730d1f1c1dbf4d98b5c4174197c3c0ec3c1eff1236", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling xml-rs v0.8.24
[INFO] [stderr]    Compiling simple-error v0.3.1
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling xmltree v0.11.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling rtpx v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rtpx v1.0.5 (/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/rtpx-cf96486fd7653f80/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain 'beta-2026-04-21-x86_64-unknown-linux-gnu'.
[INFO] [stderr]   help: run `rustup component add --toolchain beta-2026-04-21-x86_64-unknown-linux-gnu rustfmt` to install it
[INFO] [stderr]   Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (669) panicked at build.rs:177:29:
[INFO] [stderr]   Failed to generate ctp bindings: cannot create struct file, Read-only file system (os error 30)
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x61da7c13322a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61da7c13322a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61da7c13322a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x61da7c13322a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x61da7c148c0a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61da7c148c0a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x61da7c1382c2 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x61da7c1382c2 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x61da7c114b4f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x61da7c114b4f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x61da7c12ce21 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x61da7c12d09b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x61da7c114c08 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x61da7c109c79 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x61da7c11556d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x61da7c14944c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61da7bb7febe - build_script_build::setup_api::{{closure}}::hf3b94df4784cc140
[INFO] [stderr]     17:     0x61da7bb86dc1 - core::result::Result<T,E>::unwrap_or_else::h1f783415b465c5a1
[INFO] [stderr]     18:     0x61da7bb7f951 - build_script_build::setup_api::h621b166834a74f49
[INFO] [stderr]     19:     0x61da7bb7df2a - build_script_build::main::hec2a409706a79027
[INFO] [stderr]     20:     0x61da7bb85d43 - core::ops::function::FnOnce::call_once::he0da1d26817ebcdf
[INFO] [stderr]     21:     0x61da7bb8ada6 - std::sys::backtrace::__rust_begin_short_backtrace::h41424b1030990b54
[INFO] [stderr]     22:     0x61da7bb8ad89 - std::rt::lang_start::{{closure}}::hbea37267f0aa15c2
[INFO] [stderr]     23:     0x61da7c12be84 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x61da7c12be84 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x61da7c12be84 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x61da7c12be84 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x61da7c12be84 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x61da7c12be84 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x61da7c12be84 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x61da7c12be84 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x61da7c12be84 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x61da7bb8ad71 - std::rt::lang_start::h331aab3b0b1618a8
[INFO] [stderr]     33:     0x61da7bb84a55 - main
[INFO] [stderr]     34:     0x7e179e6d11ca - <unknown>
[INFO] [stderr]     35:     0x7e179e6d128b - __libc_start_main
[INFO] [stderr]     36:     0x61da7bb7b1b5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cf076c6994884cd7457444730d1f1c1dbf4d98b5c4174197c3c0ec3c1eff1236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf076c6994884cd7457444730d1f1c1dbf4d98b5c4174197c3c0ec3c1eff1236", kill_on_drop: false }`
[INFO] [stdout] cf076c6994884cd7457444730d1f1c1dbf4d98b5c4174197c3c0ec3c1eff1236
